\n
![\"PHP\u30ab\u30f3\u30d5\u30a1\u30ec\u30f3\u30b9\u95a2\u897f2020](\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d089037434c4406be084f\/4-0.png\" "\\"\\"")
<\/p>\n\n
PHP\u8bed\u6cd5\u5165\u95e8\uff0c\u4ee5\u81ea\u5982\u5730\u64cd\u4f5c\u4ee3\u7801\u4e3a\u76ee\u6807\u3002<\/p>\n\u662f\u5426\u66fe\u7ecf\u60f3\u8981\u51c6\u786e\u68c0\u67e5\u548c\u4fee\u6539PHP\u6e90\u4ee3\u7801\u7684\u90e8\u5206\u5462\uff1fPHP\u6709\u4e00\u4e2a\u53eb\u505aPHP-Parser\u7684\u8bed\u6cd5\u89e3\u6790\u5e93\uff0c\u9759\u6001\u5206\u6790\u5de5\u5177PHPStan\u548c\u91cd\u6784\u5de5\u5177Rector\u90fd\u662f\u57fa\u4e8ePHP-Parser\u7684\u63d2\u4ef6\uff0c\u53ef\u4ee5\u7528\u6765\u68c0\u67e5\u548c\u4fee\u6539\u6e90\u4ee3\u7801\u3002<\/p>\n
\u7136\u800c\uff0c\u64cd\u4f5c\u8bed\u6cd5\u6811\u9700\u8981\u5bf9\u7f16\u7a0b\u8bed\u8a00\u6709\u6bd4\u5e73\u5e38\u7f16\u5199PHP\u4ee3\u7801\u66f4\u591a\u7684\u4e86\u89e3\u3002\u5728\u8fd9\u4e2a\u6f14\u8bb2\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u4e0e\u5904\u7406\u8bed\u6cd5\u6811\u76f8\u5173\u7684\u7f16\u7a0b\u8bed\u8a00\u77e5\u8bc6\uff0cPHP-Parser\u7684\u7ed3\u6784\uff0c\u4ee5\u53caPHPStan\u548cRector\u7684\u6269\u5c55\u65b9\u6cd5\u548c\u5b9e\u4f8b\u3002<\/p><\/blockquote>\n
\n![\"\u8aa0\u306b\u6b8b\u5ff5\u3067\u306f\u3054\u3056\u3044\u307e\u3059\u304c\u3001\u65b0\u578b\u30b3\u30ed\u30ca\u30a6\u30a4\u30eb\u30b9\u306e\u611f\u67d3\u62e1\u5927\u3092\u9451\u307f\u3001PHP\u30ab\u30f3\u30d5\u30a1\u30ec\u30f3\u30b9\u95a2\u897f2020\u306e\u958b\u50ac\u3092\u65ad\u5ff5\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u697d\u3057\u307f\u306b\u3057\u3066\u9802\u3044\u305f\u7686\u69d8\u306b\u5fc3\u3088\u308a\u304a\u8a6b\u3073\u7533\u3057\u4e0a\u3052\u307e\u3059\u3002\u516c\u5f0f\u30b5\u30a4\u30c8\u306e\u544a\u77e5\u306f\u8ffd\u3063\u3066\u66f4\u65b0\u3057\u307e\u3059\u3002\"](\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d089037434c4406be084f\/9-0.png\" "\\"\\"")
<\/p>\n
\n\u8bf7\u5c06\u4ee5\u4e0b\u5185\u5bb9\u4ee5\u4e2d\u6587\u8fdb\u884c\u91ca\u4e49\uff1a”The rapid development of technology has brought about significant changes in our daily lives. It has revolutionized the way we communicate, work, and access information. With the invention of smartphones and social media platforms, we can now easily connect with people from all over the world and stay updated with the latest news and trends. Additionally, technology has made tasks more efficient and convenient. From online shopping to remote working, we can accomplish various activities with just a few clicks. Overall, technology has become an integral part of our lives, enhancing our productivity and connecting us like never before.”<\/p>\n
\n\u91cd\u65b0\u6293\u4f4f\u6c14\u606f<\/p>\n
\n\u6211\u4e0a\u5468\u5199\u4e86\u8fd9\u6837\u7684\u6587\u7ae0\u3002<\/p>\n![\"Qiita](\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d089037434c4406be084f\/16-0.png\" "\\"\\"")
<\/p>\n
\n\u56de\u58f0\uff08echo\uff09\u548c\u6253\u5370\uff08print\uff09\u4e4b\u95f4\u7684\u533a\u522b\u53ef\u4ee5\u6982\u62ec\u5982\u4e0b\u3002<\/p>\n\n- \n
\u95a2\u6570\u30de\u30cb\u30e5\u30a2\u30eb\u306b\u8f09\u3063\u3066\u3044\u308b\u304c\u95a2\u6570\u3067\u306f\u306a\u3044<\/ul>\n<\/li>\n<\/ul>\necho\u3068print\u306f\u51fa\u529b\u30d0\u30c3\u30d5\u30a1\u306b\u66f8\u304d\u8fbc\u3080<\/p>\n
echo\u306f\u6587\u3060\u304cprint\u306f\u5f0f(\u5f0f\u6587)<\/p>\n
echo\u306f\u8907\u6570\u306e\u5f15\u6570\u3001print\u306f1\u3064\u306e\u5f15\u6570<\/p>\n
\necho\u662f\u4e00\u79cd\u8bed\u53e5\uff0c\u800cprint\u662f\u4e00\u79cd\u8868\u8fbe\u5f0f\uff08\u8868\u8fbe\u5f0f\u8bed\u53e5\uff09\u3002<\/p>\n
\n\u56e0\u6b64\uff0c\u672c\u6b21\u6211\u4eec\u5c06\u91cd\u70b9\u8ba8\u8bba\u6587\u672c\u548c\u516c\u5f0f\u3002<\/p>\n
\n\u8bf7\u56de\u7b54\u95ee\u9898\u3002<\/p>\n
\n
\u54ea\u4e2a\u9009\u9879\u4e0d\u4f1a\u5bfc\u81f4\u8bed\u6cd5\u9519\u8bef\u5462\uff1f<\/p>\n
echo<\/span> print<\/span> 1<\/span>;<\/span>\r\nprint<\/span> echo<\/span> 1<\/span>;<\/span>\r\n<\/code><\/pre>\n
\n\u5b66\u4e60\u7f16\u7a0b\u8bed\u8a00\u65f6\uff0c\u9996\u5148\u5b66\u4e60\u8fd9\u6837\u7684\u4e8b\u60c5\u3002<\/p>\n
\n\u5c0d\u65bc\u521d\u5b78\u8005\u800c\u8a00\uff0c\u88ab\u704c\u8f38\u7684\u795e\u79d8\u8853\u8a9eif\u6587\u3067\u6761\u4ef6\u5206\u5c90\u3092\u3057\u307e\u3059<\/p>\n
for\u6587\u3067\u7e70\u308a\u8fd4\u3057\u307e\u3059
\n\u4ee3\u5165\u6587\u3067\u5909\u6570\u306b\u5024\u3092\u5165\u308c\u307e\u3059<\/p>\n
return\u6587\u3067\u95a2\u6570\u304b\u3089\u5024\u3092\u8fd4\u3057\u307e\u3059<\/p>\n
\n\u5927\u591a\u6570\u7684\u4eba\u5728\u5f04\u660e\u767d\u5b83\u662f\u4ec0\u4e48\u4e4b\u524d\u5c31\u4f1a\u638c\u63e1\u5982\u4f55\u4f7f\u7528\uff0c\u6240\u4ee5\u4e0d\u4f1a\u9047\u5230\u4efb\u4f55\u56f0\u6270\u3002<\/p>\n
\n\u5728PHP\u4e2d\u6709\u5404\u79cd\u8bed\u53e5\u548c\u8868\u8fbe\u5f0f\u3002<\/p>\n
\n\u5173\u952e\u8bcd\u5217\u8868<\/p>\n![\"PHP\u30de\u30cb\u30e5\u30a2\u30eb\u306b\u8f09\u3063\u3066\u3044\u308bPHP\u306e\u30ad\u30fc\u30ef\u30fc\u30c9(\u4e88\u7d04\u8a9e)\u306e\u30ea\u30b9\u30c8\"](\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d089037434c4406be084f\/40-0.png\" "\\"\\"")
<\/p>\n
\n\u8fd9\u4e2a\u5217\u8868\u6df7\u6742\u5730\u5217\u7740\u6587\u672c\u548c\u516c\u5f0f\u3002<\/p>\n
\n\u8ba9\u6211\u4eec\u5206\u89e3\u7a0b\u5e8f\u7684\u6784\u6210\u8981\u7d20\u3002<\/p>\n
\n\u5bf9\u4e8ePHP\u6765\u8bf4<\/p>\n<?php<\/span>\r\n\r\nfunction<\/span> sum<\/span>(<\/span>array<\/span> $values<\/span>)<\/span>\r\n{<\/span>\r\n $sum<\/span> =<\/span> 0<\/span>;<\/span>\r\n\r\n foreach<\/span> (<\/span>$values<\/span> as<\/span> $v<\/span>)<\/span> {<\/span>\r\n $sum<\/span> +=<\/span> $v<\/span>;<\/span>\r\n }<\/span>\r\n\r\n return<\/span> $sum<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\n\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\u9010\u6e10\u8d4b\u4e88\u610f\u4e49<\/p>\n<?php<\/span> \/\/ \u2190 PHP\u958b\u59cb\u30bf\u30b0<\/span>\r\n\r\nfunction<\/span> sum<\/span>(<\/span>array<\/span> $values<\/span>)<\/span> \/\/ \u2190 \u95a2\u6570\u5b9a\u7fa9<\/span>\r\n{<\/span>\r\n $sum<\/span> =<\/span> 0<\/span>;<\/span> \/\/ \u5909\u6570\u4ee3\u5165<\/span>\r\n\r\n foreach<\/span> (<\/span>$values<\/span> as<\/span> $v<\/span>)<\/span> {<\/span> \/\/ foreach<\/span>\r\n $sum<\/span> +=<\/span> $v<\/span>;<\/span> \/\/ \u5909\u6570\u4ee3\u5165<\/span>\r\n }<\/span>\r\n\r\n return<\/span> $sum<\/span>;<\/span> \/\/ \u623b\u308a\u5024<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\n\u5c06\u6587\u7ae0\u548c\u8868\u8fbe\u533a\u5206\u5f00\u6765<\/p>\n<?php<\/span> \/\/ \u2190 PHP\u958b\u59cb\u30bf\u30b0(\u7279\u6b8a)<\/span>\r\n\r\nfunction<\/span> sum<\/span>(<\/span>array<\/span> $values<\/span>)<\/span> \/\/ \u2190 \u95a2\u6570\u5b9a\u7fa9\u300c\u6587\u300d<\/span>\r\n{<\/span>\r\n $sum<\/span> =<\/span> 0<\/span>;<\/span> \/\/ \u5909\u6570\u4ee3\u5165\u300c\u5f0f\u300d<\/span>\r\n\r\n foreach<\/span> (<\/span>$values<\/span> as<\/span> $v<\/span>)<\/span> {<\/span> \/\/ foreach\u300c\u6587\u300d<\/span>\r\n $sum<\/span> +=<\/span> $v<\/span>;<\/span> \/\/ \u5909\u6570\u4ee3\u5165\u300c\u5f0f\u300d<\/span>\r\n }<\/span>\r\n\r\n return<\/span> $sum<\/span>;<\/span> \/\/ \u623b\u308a\u5024\u300c\u6587\u300d<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\nPHP\u6709\u4e00\u4e9b\u53d7\u5230\u5199\u4f5c\u9650\u5236\u7684\u5143\u7d20\u7684\u4f4d\u7f6e\u6709\u9650\u3002<\/p>\n
\n\u5728PHP\u4e2d\uff0c\u65e0\u6cd5\u7f16\u5199\u8fd9\u6837\u7684\u4ee3\u7801\u3002<\/p>\n<?php<\/span>\r\n\r\nconst<\/span> A<\/span> =<\/span> hoge<\/span>();<\/span>\r\n\r\nfunction<\/span> a<\/span>(<\/span>$a<\/span> =<\/span> foo<\/span>())<\/span>\r\n{<\/span>\r\n return<\/span> $a<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\n\u5728PHP\u4e2d\u65e0\u6cd5\u7f16\u5199\u8fd9\u6837\u7684\u4ee3\u7801\u5f53\u6211\u4eec\u8c08\u8bba\u4e00\u4ef6\u4e8b\u5f88\u6b63\u5e38\u65f6\uff0c\u6211\u4eec\u5728\u8c08\u8bba\u4ec0\u4e48\u5462\uff1f<\/p>\nforeach<\/span> (<\/span>function<\/span> a<\/span>(){<\/span>return<\/span> [];}<\/span> a<\/span>()<\/span> as<\/span> $b<\/span>)<\/span> {<\/span>\r\n return<\/span> $b<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\n“\u5f0f\uff08expression\uff0cexpr\uff09\u662f\u4ec0\u4e48\uff1f”\u7684\u542b\u4e49\u662f\u4ec0\u4e48\uff1f<\/p>\n
\n\u8fd9\u79cd\u6837\u5f0f\u53ef\u4ee5\u5199\u5728\u8fd9\u91cc\u3002\u5728\u9019\u88e1\u53ef\u4ee5\u5beb\u7684\u662f\u4e00\u500b\u904b\u7b97\u5f0f\u3002<\/p>\n
if\u306e\u6761\u4ef6\u3092\u66f8\u304f\u3068\u3053\u308d if ($v == 1)<\/p>\n
while\u306e\u6761\u4ef6\u3092\u66f8\u304f\u3068\u3053\u308d while (count($a) !== 0)<\/p>\n
\u95a2\u6570\u547c\u3073\u51fa\u3057\u306e\u5f15\u6570 foo($a + 1)<\/p>\n
\u4ee3\u5165\u306e\u53f3\u8fba $v = 30 * MINUTES<\/p>\n
return \u306b\u66f8\u3051\u308b\u3082\u306e return foo() + bar()<\/p>\n
echo, print, \u306b\u6e21\u305b\u308b\u3082\u306e<\/p>\n
\n\u7ecf\u5e38\u4f7f\u7528\u7684\u8868\u8fbe\uff08\u7b2c1\u4e2a\uff09<\/p>\n\n- \n
\u95a2\u6570\u30fb\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057 printf() $obj->foo() $func()<\/ul>\n<\/li>\n<\/ul>\n\u6f14\u7b97\u5b50\u5f0f<\/p>\n
\u8ad6\u7406\u5426\u5b9a !$foo<\/p>\n
\u6bd4\u8f03\u5f0f $a == $b $user instanceof User<\/p>\n
\u7b97\u8853\u6f14\u7b97 1 + 1<\/p>\n
\u77ed\u7d61\u8ad6\u7406\u6f14\u7b97\u5b50 $n <= 0 && $n < 24 foo() or bar()<\/p>\n
\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u30fb\u30c7\u30af\u30ea\u30e1\u30f3\u30c8 $i++ –$i<\/p>\n
\n\u5e38\u7528\u7684\u8868\u8fbe\u65b9\u5f0f\uff08\u7b2c\u4e8c\u90e8\u5206\uff09<\/p>\n\n- \n
\u7121\u540d\u95a2\u6570\u5f0f function ($a) { return $a * 2; } fn($a) => $a * 2<\/ul>\n<\/li>\n<\/ul>\n\u7121\u540d\u30af\u30e9\u30b9 new class(‘foo’){ function __construct($name) { $this->name = $name; } }<\/p>\n
\u914d\u5217\u30ea\u30c6\u30e9\u30eb [$a, $b, ‘foo’ => foo()]<\/p>\n
\u4e09\u9805\u6f14\u7b97\u5b50 $foo == ‘bar’ ? ‘A’ : ‘B’<\/p>\n
\n\u5e38\u7528\u7684\u8868\u8fbe\u65b9\u5f0f\uff08\u7b2c\u4e09\u4e2a\uff09() \u5f0f\u306e\u30b0\u30eb\u30fc\u30d4\u30f3\u30b0<\/p>\n
isset, empty<\/p>\n
eval<\/p>\n
assert<\/p>\n
PHP5\u3067\u306f\u95a2\u6570\u3060\u3063\u305f\u304cPHP7\u3067\u8a00\u8a9e\u69cb\u9020\u306b\u306a\u3063\u305f<\/p>\n
exit die<\/p>\n
\u5909\u6570\u30fb\u30b9\u30ab\u30e9\u30fc\u30ea\u30c6\u30e9\u30eb\u30fb\u5b9a\u6570\u30fb\u30de\u30b8\u30ab\u30eb\u5b9a\u6570<\/p>\n
$a 1 “a” true HOGE<\/p>\n
\n\u6837\u5f0f\u7684\u7279\u70b9<\/p>\n\u5f0f\u306e\u4e2d\u306b\u518d\u5e30\u7684\u306b\u5f0f\u3092\u66f8\u3051\u308b<\/ul>\n
\n\u8fd9\u4e2a\u4e5f\u662f\u6d3b\u52a8\u7684\u4e00\u79cd\u65b9\u5f0f\u3002<\/p>\n\n- \n
$a = include __DIR__ . ‘\/config.php’<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
$b = eval(‘return 1 + 1;’)<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
$c = yield 1;<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
$d == 1 or die()<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
$e = foo() and print $e<\/ul>\n\u975e\u5e38\u7cdf\u7cd5\u7684\u662f\uff0c\u6839\u636e\u7c7b\u578b\u7684\u4e0d\u540c\uff0c\u62ec\u53f7\u662f\u5426\u53ef\u7701\u7565\u662f\u4e0d\u4e00\u81f4\u7684\uff0c\u5fc5\u987b\u5355\u72ec\u8bb0\u5fc6\u5b83\u4eec\uff08\u6216\u5728\u7f16\u8f91\u65f6\u8fdb\u884c\u8bed\u6cd5\u68c0\u67e5\uff09\u3002<\/p>\n
\n\u8fd9\u4e2a\u516c\u5f0f\u53ef\u4ee5\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u5199\u51fa\u6765foreach \u306e as \u306e\u5de6\u5074
\nforeach (foo() as $f)<\/p>\n
include, require\u306e\u5f15\u6570
\n\u5f0f\u306e\u4e2d\u306b\u306f\u4efb\u610f\u306e\u7d44\u307f\u5408\u305b\u306e\u5f0f\u304c\u66f8\u3051\u308b<\/p>\n
\u305f\u3060\u3057 [] + 1 \u306e\u3088\u3046\u306a\u5f0f\u306fPHP7\u3067\u306f\u30d1\u30fc\u30b5\u30fc\u30ec\u30d9\u30eb\u3067\u6012\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f<\/p>\n
\n\u8bf7\u4f7f\u7528\u4e2d\u6587\u5bf9\u4e0b\u5217\u5185\u5bb9\u8fdb\u884c\u91ca\u4e49\uff0c\u53ea\u9700\u63d0\u4f9b\u4e00\u4e2a\u9009\u9879\uff1a\u6587<\/p>\n
\n\u5e38\u7528\u7684\u53e5\u5b50<\/p>\n\n- \n
\u95a2\u6570\/\u30e1\u30bd\u30c3\u30c9\u5b9a\u7fa9\u6587 function<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
\u30af\u30e9\u30b9\u5b9a\u7fa9\u6587 class interface use<\/ul>\n<\/li>\n<\/ul>\n\u5236\u5fa1\u69cb\u6587 while for do foreach<\/p>\n
\u51fa\u529b\u6587 echo \u9759\u7684\u5909\u6570 static $var<\/p>\n
\u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570 global $var<\/p>\n
\n\u6587\u7ae0\u5206\u7c7b<\/p>\n
\nThe characteristics of the passage<\/p>\n\n- \n
\u5f0f\u306f\u4efb\u610f\u306e\u5f0f\u3092\u7d44\u307f\u5408\u308f\u305b\u3089\u308c\u308b<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
\u6587\u306f\u6587\u3054\u3068\u306b\u6c7a\u307e\u3063\u305f\u30eb\u30fc\u30eb\u304c\u3042\u308b<\/ul>\n<\/li>\n<\/ul>\n\u5f0f\u3092\u66f8\u3051\u308b\u3082\u306e
\n\u5f0f\u3068\u6587\u3092\u66f8\u3051\u308b\u3082\u306e
\n\u305d\u308c\u4ee5\u5916\u306e\u8a18\u8ff0\u304c\u3067\u304d\u308b\u3082\u306e<\/p>\n
\n\u8868\u8fbe\u8bed\u53e5 (expression statement)<\/p>\n<?php<\/span>\r\nrequire_once<\/span> ___DIR__<\/span> .<\/span> '\/foo.php'<\/span>;<\/span> \/\/ require\u5f0f\u3060\u3051\u306e\u6587<\/span>\r\n$n<\/span> =<\/span> 100<\/span>;<\/span> \/\/ \u4ee3\u5165\u5f0f\u3060\u3051\u306e\u6587<\/span>\r\nprintf<\/span>(<\/span>\"%f\"<\/span>,<\/span> 1.1<\/span>);<\/span> \/\/ \u95a2\u6570\u547c\u3073\u51fa\u3057\u3060\u3051\u306e\u6587<\/span>\r\nassert<\/span>(<\/span>$n<\/span> <<\/span> 100<\/span>);<\/span> \/\/ assert\u5f0f\u3060\u3051\u306e\u6587<\/span>\r\nprint<\/span> 1<\/span>;<\/span> \/\/ print\u5f0f\u3060\u3051\u306e\u6587<\/span>\r\n<\/code><\/pre>\n
\n\u8868\u8fbe\u9648\u8ff0<\/p>\n\n- \n
\u5168\u3066\u306e\u5f0f\u306f ;\u307e\u305f\u306f?> \u3067\u533a\u5207\u308b\u3053\u3068\u3067\u6587\u306b\u306a\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
\u662f\u5426\u66fe\u7ecf\u60f3\u8981\u51c6\u786e\u68c0\u67e5\u548c\u4fee\u6539PHP\u6e90\u4ee3\u7801\u7684\u90e8\u5206\u5462\uff1fPHP\u6709\u4e00\u4e2a\u53eb\u505aPHP-Parser\u7684\u8bed\u6cd5\u89e3\u6790\u5e93\uff0c\u9759\u6001\u5206\u6790\u5de5\u5177PHPStan\u548c\u91cd\u6784\u5de5\u5177Rector\u90fd\u662f\u57fa\u4e8ePHP-Parser\u7684\u63d2\u4ef6\uff0c\u53ef\u4ee5\u7528\u6765\u68c0\u67e5\u548c\u4fee\u6539\u6e90\u4ee3\u7801\u3002<\/p>\n
\u7136\u800c\uff0c\u64cd\u4f5c\u8bed\u6cd5\u6811\u9700\u8981\u5bf9\u7f16\u7a0b\u8bed\u8a00\u6709\u6bd4\u5e73\u5e38\u7f16\u5199PHP\u4ee3\u7801\u66f4\u591a\u7684\u4e86\u89e3\u3002\u5728\u8fd9\u4e2a\u6f14\u8bb2\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u4e0e\u5904\u7406\u8bed\u6cd5\u6811\u76f8\u5173\u7684\u7f16\u7a0b\u8bed\u8a00\u77e5\u8bc6\uff0cPHP-Parser\u7684\u7ed3\u6784\uff0c\u4ee5\u53caPHPStan\u548cRector\u7684\u6269\u5c55\u65b9\u6cd5\u548c\u5b9e\u4f8b\u3002<\/p><\/blockquote>\n
\n
<\/p>\n\n
\u8bf7\u5c06\u4ee5\u4e0b\u5185\u5bb9\u4ee5\u4e2d\u6587\u8fdb\u884c\u91ca\u4e49\uff1a”The rapid development of technology has brought about significant changes in our daily lives. It has revolutionized the way we communicate, work, and access information. With the invention of smartphones and social media platforms, we can now easily connect with people from all over the world and stay updated with the latest news and trends. Additionally, technology has made tasks more efficient and convenient. From online shopping to remote working, we can accomplish various activities with just a few clicks. Overall, technology has become an integral part of our lives, enhancing our productivity and connecting us like never before.”<\/p>\n
\n\u91cd\u65b0\u6293\u4f4f\u6c14\u606f<\/p>\n
\n\u6211\u4e0a\u5468\u5199\u4e86\u8fd9\u6837\u7684\u6587\u7ae0\u3002<\/p>\n<\/p>\n
\n\u56de\u58f0\uff08echo\uff09\u548c\u6253\u5370\uff08print\uff09\u4e4b\u95f4\u7684\u533a\u522b\u53ef\u4ee5\u6982\u62ec\u5982\u4e0b\u3002<\/p>\n\n- \n
\u95a2\u6570\u30de\u30cb\u30e5\u30a2\u30eb\u306b\u8f09\u3063\u3066\u3044\u308b\u304c\u95a2\u6570\u3067\u306f\u306a\u3044<\/ul>\n<\/li>\n<\/ul>\necho\u3068print\u306f\u51fa\u529b\u30d0\u30c3\u30d5\u30a1\u306b\u66f8\u304d\u8fbc\u3080<\/p>\n
echo\u306f\u6587\u3060\u304cprint\u306f\u5f0f(\u5f0f\u6587)<\/p>\n
echo\u306f\u8907\u6570\u306e\u5f15\u6570\u3001print\u306f1\u3064\u306e\u5f15\u6570<\/p>\n
\necho\u662f\u4e00\u79cd\u8bed\u53e5\uff0c\u800cprint\u662f\u4e00\u79cd\u8868\u8fbe\u5f0f\uff08\u8868\u8fbe\u5f0f\u8bed\u53e5\uff09\u3002<\/p>\n
\n\u56e0\u6b64\uff0c\u672c\u6b21\u6211\u4eec\u5c06\u91cd\u70b9\u8ba8\u8bba\u6587\u672c\u548c\u516c\u5f0f\u3002<\/p>\n
\n\u8bf7\u56de\u7b54\u95ee\u9898\u3002<\/p>\n
\n
\u54ea\u4e2a\u9009\u9879\u4e0d\u4f1a\u5bfc\u81f4\u8bed\u6cd5\u9519\u8bef\u5462\uff1f<\/p>\n
echo<\/span> print<\/span> 1<\/span>;<\/span>\r\nprint<\/span> echo<\/span> 1<\/span>;<\/span>\r\n<\/code><\/pre>\n
\n\u5b66\u4e60\u7f16\u7a0b\u8bed\u8a00\u65f6\uff0c\u9996\u5148\u5b66\u4e60\u8fd9\u6837\u7684\u4e8b\u60c5\u3002<\/p>\n
\n\u5c0d\u65bc\u521d\u5b78\u8005\u800c\u8a00\uff0c\u88ab\u704c\u8f38\u7684\u795e\u79d8\u8853\u8a9eif\u6587\u3067\u6761\u4ef6\u5206\u5c90\u3092\u3057\u307e\u3059<\/p>\n
for\u6587\u3067\u7e70\u308a\u8fd4\u3057\u307e\u3059
\n\u4ee3\u5165\u6587\u3067\u5909\u6570\u306b\u5024\u3092\u5165\u308c\u307e\u3059<\/p>\n
return\u6587\u3067\u95a2\u6570\u304b\u3089\u5024\u3092\u8fd4\u3057\u307e\u3059<\/p>\n
\n\u5927\u591a\u6570\u7684\u4eba\u5728\u5f04\u660e\u767d\u5b83\u662f\u4ec0\u4e48\u4e4b\u524d\u5c31\u4f1a\u638c\u63e1\u5982\u4f55\u4f7f\u7528\uff0c\u6240\u4ee5\u4e0d\u4f1a\u9047\u5230\u4efb\u4f55\u56f0\u6270\u3002<\/p>\n
\n\u5728PHP\u4e2d\u6709\u5404\u79cd\u8bed\u53e5\u548c\u8868\u8fbe\u5f0f\u3002<\/p>\n
\n\u5173\u952e\u8bcd\u5217\u8868<\/p>\n<\/p>\n
\n\u8fd9\u4e2a\u5217\u8868\u6df7\u6742\u5730\u5217\u7740\u6587\u672c\u548c\u516c\u5f0f\u3002<\/p>\n
\n\u8ba9\u6211\u4eec\u5206\u89e3\u7a0b\u5e8f\u7684\u6784\u6210\u8981\u7d20\u3002<\/p>\n
\n\u5bf9\u4e8ePHP\u6765\u8bf4<\/p>\n<?php<\/span>\r\n\r\nfunction<\/span> sum<\/span>(<\/span>array<\/span> $values<\/span>)<\/span>\r\n{<\/span>\r\n $sum<\/span> =<\/span> 0<\/span>;<\/span>\r\n\r\n foreach<\/span> (<\/span>$values<\/span> as<\/span> $v<\/span>)<\/span> {<\/span>\r\n $sum<\/span> +=<\/span> $v<\/span>;<\/span>\r\n }<\/span>\r\n\r\n return<\/span> $sum<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\n\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\u9010\u6e10\u8d4b\u4e88\u610f\u4e49<\/p>\n<?php<\/span> \/\/ \u2190 PHP\u958b\u59cb\u30bf\u30b0<\/span>\r\n\r\nfunction<\/span> sum<\/span>(<\/span>array<\/span> $values<\/span>)<\/span> \/\/ \u2190 \u95a2\u6570\u5b9a\u7fa9<\/span>\r\n{<\/span>\r\n $sum<\/span> =<\/span> 0<\/span>;<\/span> \/\/ \u5909\u6570\u4ee3\u5165<\/span>\r\n\r\n foreach<\/span> (<\/span>$values<\/span> as<\/span> $v<\/span>)<\/span> {<\/span> \/\/ foreach<\/span>\r\n $sum<\/span> +=<\/span> $v<\/span>;<\/span> \/\/ \u5909\u6570\u4ee3\u5165<\/span>\r\n }<\/span>\r\n\r\n return<\/span> $sum<\/span>;<\/span> \/\/ \u623b\u308a\u5024<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\n\u5c06\u6587\u7ae0\u548c\u8868\u8fbe\u533a\u5206\u5f00\u6765<\/p>\n<?php<\/span> \/\/ \u2190 PHP\u958b\u59cb\u30bf\u30b0(\u7279\u6b8a)<\/span>\r\n\r\nfunction<\/span> sum<\/span>(<\/span>array<\/span> $values<\/span>)<\/span> \/\/ \u2190 \u95a2\u6570\u5b9a\u7fa9\u300c\u6587\u300d<\/span>\r\n{<\/span>\r\n $sum<\/span> =<\/span> 0<\/span>;<\/span> \/\/ \u5909\u6570\u4ee3\u5165\u300c\u5f0f\u300d<\/span>\r\n\r\n foreach<\/span> (<\/span>$values<\/span> as<\/span> $v<\/span>)<\/span> {<\/span> \/\/ foreach\u300c\u6587\u300d<\/span>\r\n $sum<\/span> +=<\/span> $v<\/span>;<\/span> \/\/ \u5909\u6570\u4ee3\u5165\u300c\u5f0f\u300d<\/span>\r\n }<\/span>\r\n\r\n return<\/span> $sum<\/span>;<\/span> \/\/ \u623b\u308a\u5024\u300c\u6587\u300d<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\nPHP\u6709\u4e00\u4e9b\u53d7\u5230\u5199\u4f5c\u9650\u5236\u7684\u5143\u7d20\u7684\u4f4d\u7f6e\u6709\u9650\u3002<\/p>\n
\n\u5728PHP\u4e2d\uff0c\u65e0\u6cd5\u7f16\u5199\u8fd9\u6837\u7684\u4ee3\u7801\u3002<\/p>\n<?php<\/span>\r\n\r\nconst<\/span> A<\/span> =<\/span> hoge<\/span>();<\/span>\r\n\r\nfunction<\/span> a<\/span>(<\/span>$a<\/span> =<\/span> foo<\/span>())<\/span>\r\n{<\/span>\r\n return<\/span> $a<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\n\u5728PHP\u4e2d\u65e0\u6cd5\u7f16\u5199\u8fd9\u6837\u7684\u4ee3\u7801\u5f53\u6211\u4eec\u8c08\u8bba\u4e00\u4ef6\u4e8b\u5f88\u6b63\u5e38\u65f6\uff0c\u6211\u4eec\u5728\u8c08\u8bba\u4ec0\u4e48\u5462\uff1f<\/p>\nforeach<\/span> (<\/span>function<\/span> a<\/span>(){<\/span>return<\/span> [];}<\/span> a<\/span>()<\/span> as<\/span> $b<\/span>)<\/span> {<\/span>\r\n return<\/span> $b<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\n“\u5f0f\uff08expression\uff0cexpr\uff09\u662f\u4ec0\u4e48\uff1f”\u7684\u542b\u4e49\u662f\u4ec0\u4e48\uff1f<\/p>\n
\n\u8fd9\u79cd\u6837\u5f0f\u53ef\u4ee5\u5199\u5728\u8fd9\u91cc\u3002\u5728\u9019\u88e1\u53ef\u4ee5\u5beb\u7684\u662f\u4e00\u500b\u904b\u7b97\u5f0f\u3002<\/p>\n
if\u306e\u6761\u4ef6\u3092\u66f8\u304f\u3068\u3053\u308d if ($v == 1)<\/p>\n
while\u306e\u6761\u4ef6\u3092\u66f8\u304f\u3068\u3053\u308d while (count($a) !== 0)<\/p>\n
\u95a2\u6570\u547c\u3073\u51fa\u3057\u306e\u5f15\u6570 foo($a + 1)<\/p>\n
\u4ee3\u5165\u306e\u53f3\u8fba $v = 30 * MINUTES<\/p>\n
return \u306b\u66f8\u3051\u308b\u3082\u306e return foo() + bar()<\/p>\n
echo, print, \u306b\u6e21\u305b\u308b\u3082\u306e<\/p>\n
\n\u7ecf\u5e38\u4f7f\u7528\u7684\u8868\u8fbe\uff08\u7b2c1\u4e2a\uff09<\/p>\n\n- \n
\u95a2\u6570\u30fb\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057 printf() $obj->foo() $func()<\/ul>\n<\/li>\n<\/ul>\n\u6f14\u7b97\u5b50\u5f0f<\/p>\n
\u8ad6\u7406\u5426\u5b9a !$foo<\/p>\n
\u6bd4\u8f03\u5f0f $a == $b $user instanceof User<\/p>\n
\u7b97\u8853\u6f14\u7b97 1 + 1<\/p>\n
\u77ed\u7d61\u8ad6\u7406\u6f14\u7b97\u5b50 $n <= 0 && $n < 24 foo() or bar()<\/p>\n
\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u30fb\u30c7\u30af\u30ea\u30e1\u30f3\u30c8 $i++ –$i<\/p>\n
\n\u5e38\u7528\u7684\u8868\u8fbe\u65b9\u5f0f\uff08\u7b2c\u4e8c\u90e8\u5206\uff09<\/p>\n\n- \n
\u7121\u540d\u95a2\u6570\u5f0f function ($a) { return $a * 2; } fn($a) => $a * 2<\/ul>\n<\/li>\n<\/ul>\n\u7121\u540d\u30af\u30e9\u30b9 new class(‘foo’){ function __construct($name) { $this->name = $name; } }<\/p>\n
\u914d\u5217\u30ea\u30c6\u30e9\u30eb [$a, $b, ‘foo’ => foo()]<\/p>\n
\u4e09\u9805\u6f14\u7b97\u5b50 $foo == ‘bar’ ? ‘A’ : ‘B’<\/p>\n
\n\u5e38\u7528\u7684\u8868\u8fbe\u65b9\u5f0f\uff08\u7b2c\u4e09\u4e2a\uff09() \u5f0f\u306e\u30b0\u30eb\u30fc\u30d4\u30f3\u30b0<\/p>\n
isset, empty<\/p>\n
eval<\/p>\n
assert<\/p>\n
PHP5\u3067\u306f\u95a2\u6570\u3060\u3063\u305f\u304cPHP7\u3067\u8a00\u8a9e\u69cb\u9020\u306b\u306a\u3063\u305f<\/p>\n
exit die<\/p>\n
\u5909\u6570\u30fb\u30b9\u30ab\u30e9\u30fc\u30ea\u30c6\u30e9\u30eb\u30fb\u5b9a\u6570\u30fb\u30de\u30b8\u30ab\u30eb\u5b9a\u6570<\/p>\n
$a 1 “a” true HOGE<\/p>\n
\n\u6837\u5f0f\u7684\u7279\u70b9<\/p>\n\u5f0f\u306e\u4e2d\u306b\u518d\u5e30\u7684\u306b\u5f0f\u3092\u66f8\u3051\u308b<\/ul>\n
\n\u8fd9\u4e2a\u4e5f\u662f\u6d3b\u52a8\u7684\u4e00\u79cd\u65b9\u5f0f\u3002<\/p>\n\n- \n
$a = include __DIR__ . ‘\/config.php’<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
$b = eval(‘return 1 + 1;’)<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
$c = yield 1;<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
$d == 1 or die()<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
$e = foo() and print $e<\/ul>\n\u975e\u5e38\u7cdf\u7cd5\u7684\u662f\uff0c\u6839\u636e\u7c7b\u578b\u7684\u4e0d\u540c\uff0c\u62ec\u53f7\u662f\u5426\u53ef\u7701\u7565\u662f\u4e0d\u4e00\u81f4\u7684\uff0c\u5fc5\u987b\u5355\u72ec\u8bb0\u5fc6\u5b83\u4eec\uff08\u6216\u5728\u7f16\u8f91\u65f6\u8fdb\u884c\u8bed\u6cd5\u68c0\u67e5\uff09\u3002<\/p>\n
\n\u8fd9\u4e2a\u516c\u5f0f\u53ef\u4ee5\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u5199\u51fa\u6765foreach \u306e as \u306e\u5de6\u5074
\nforeach (foo() as $f)<\/p>\n
include, require\u306e\u5f15\u6570
\n\u5f0f\u306e\u4e2d\u306b\u306f\u4efb\u610f\u306e\u7d44\u307f\u5408\u305b\u306e\u5f0f\u304c\u66f8\u3051\u308b<\/p>\n
\u305f\u3060\u3057 [] + 1 \u306e\u3088\u3046\u306a\u5f0f\u306fPHP7\u3067\u306f\u30d1\u30fc\u30b5\u30fc\u30ec\u30d9\u30eb\u3067\u6012\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f<\/p>\n
\n\u8bf7\u4f7f\u7528\u4e2d\u6587\u5bf9\u4e0b\u5217\u5185\u5bb9\u8fdb\u884c\u91ca\u4e49\uff0c\u53ea\u9700\u63d0\u4f9b\u4e00\u4e2a\u9009\u9879\uff1a\u6587<\/p>\n
\n\u5e38\u7528\u7684\u53e5\u5b50<\/p>\n\n- \n
\u95a2\u6570\/\u30e1\u30bd\u30c3\u30c9\u5b9a\u7fa9\u6587 function<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
\u30af\u30e9\u30b9\u5b9a\u7fa9\u6587 class interface use<\/ul>\n<\/li>\n<\/ul>\n\u5236\u5fa1\u69cb\u6587 while for do foreach<\/p>\n
\u51fa\u529b\u6587 echo \u9759\u7684\u5909\u6570 static $var<\/p>\n
\u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570 global $var<\/p>\n
\n\u6587\u7ae0\u5206\u7c7b<\/p>\n
\nThe characteristics of the passage<\/p>\n\n- \n
\u5f0f\u306f\u4efb\u610f\u306e\u5f0f\u3092\u7d44\u307f\u5408\u308f\u305b\u3089\u308c\u308b<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
\u6587\u306f\u6587\u3054\u3068\u306b\u6c7a\u307e\u3063\u305f\u30eb\u30fc\u30eb\u304c\u3042\u308b<\/ul>\n<\/li>\n<\/ul>\n\u5f0f\u3092\u66f8\u3051\u308b\u3082\u306e
\n\u5f0f\u3068\u6587\u3092\u66f8\u3051\u308b\u3082\u306e
\n\u305d\u308c\u4ee5\u5916\u306e\u8a18\u8ff0\u304c\u3067\u304d\u308b\u3082\u306e<\/p>\n
\n\u8868\u8fbe\u8bed\u53e5 (expression statement)<\/p>\n<?php<\/span>\r\nrequire_once<\/span> ___DIR__<\/span> .<\/span> '\/foo.php'<\/span>;<\/span> \/\/ require\u5f0f\u3060\u3051\u306e\u6587<\/span>\r\n$n<\/span> =<\/span> 100<\/span>;<\/span> \/\/ \u4ee3\u5165\u5f0f\u3060\u3051\u306e\u6587<\/span>\r\nprintf<\/span>(<\/span>\"%f\"<\/span>,<\/span> 1.1<\/span>);<\/span> \/\/ \u95a2\u6570\u547c\u3073\u51fa\u3057\u3060\u3051\u306e\u6587<\/span>\r\nassert<\/span>(<\/span>$n<\/span> <<\/span> 100<\/span>);<\/span> \/\/ assert\u5f0f\u3060\u3051\u306e\u6587<\/span>\r\nprint<\/span> 1<\/span>;<\/span> \/\/ print\u5f0f\u3060\u3051\u306e\u6587<\/span>\r\n<\/code><\/pre>\n
\n\u8868\u8fbe\u9648\u8ff0<\/p>\n\n- \n
\u5168\u3066\u306e\u5f0f\u306f ;\u307e\u305f\u306f?> \u3067\u533a\u5207\u308b\u3053\u3068\u3067\u6587\u306b\u306a\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
\n
\u6211\u4e0a\u5468\u5199\u4e86\u8fd9\u6837\u7684\u6587\u7ae0\u3002<\/p>\n<\/p>\n
\n\u56de\u58f0\uff08echo\uff09\u548c\u6253\u5370\uff08print\uff09\u4e4b\u95f4\u7684\u533a\u522b\u53ef\u4ee5\u6982\u62ec\u5982\u4e0b\u3002<\/p>\n\n- \n
\u95a2\u6570\u30de\u30cb\u30e5\u30a2\u30eb\u306b\u8f09\u3063\u3066\u3044\u308b\u304c\u95a2\u6570\u3067\u306f\u306a\u3044<\/ul>\n<\/li>\n<\/ul>\necho\u3068print\u306f\u51fa\u529b\u30d0\u30c3\u30d5\u30a1\u306b\u66f8\u304d\u8fbc\u3080<\/p>\n
echo\u306f\u6587\u3060\u304cprint\u306f\u5f0f(\u5f0f\u6587)<\/p>\n
echo\u306f\u8907\u6570\u306e\u5f15\u6570\u3001print\u306f1\u3064\u306e\u5f15\u6570<\/p>\n
\necho\u662f\u4e00\u79cd\u8bed\u53e5\uff0c\u800cprint\u662f\u4e00\u79cd\u8868\u8fbe\u5f0f\uff08\u8868\u8fbe\u5f0f\u8bed\u53e5\uff09\u3002<\/p>\n
\n\u56e0\u6b64\uff0c\u672c\u6b21\u6211\u4eec\u5c06\u91cd\u70b9\u8ba8\u8bba\u6587\u672c\u548c\u516c\u5f0f\u3002<\/p>\n
\n\u8bf7\u56de\u7b54\u95ee\u9898\u3002<\/p>\n
\n
\u54ea\u4e2a\u9009\u9879\u4e0d\u4f1a\u5bfc\u81f4\u8bed\u6cd5\u9519\u8bef\u5462\uff1f<\/p>\n
echo<\/span> print<\/span> 1<\/span>;<\/span>\r\nprint<\/span> echo<\/span> 1<\/span>;<\/span>\r\n<\/code><\/pre>\n
\n\u5b66\u4e60\u7f16\u7a0b\u8bed\u8a00\u65f6\uff0c\u9996\u5148\u5b66\u4e60\u8fd9\u6837\u7684\u4e8b\u60c5\u3002<\/p>\n
\n\u5c0d\u65bc\u521d\u5b78\u8005\u800c\u8a00\uff0c\u88ab\u704c\u8f38\u7684\u795e\u79d8\u8853\u8a9eif\u6587\u3067\u6761\u4ef6\u5206\u5c90\u3092\u3057\u307e\u3059<\/p>\n
for\u6587\u3067\u7e70\u308a\u8fd4\u3057\u307e\u3059
\n\u4ee3\u5165\u6587\u3067\u5909\u6570\u306b\u5024\u3092\u5165\u308c\u307e\u3059<\/p>\n
return\u6587\u3067\u95a2\u6570\u304b\u3089\u5024\u3092\u8fd4\u3057\u307e\u3059<\/p>\n
\n\u5927\u591a\u6570\u7684\u4eba\u5728\u5f04\u660e\u767d\u5b83\u662f\u4ec0\u4e48\u4e4b\u524d\u5c31\u4f1a\u638c\u63e1\u5982\u4f55\u4f7f\u7528\uff0c\u6240\u4ee5\u4e0d\u4f1a\u9047\u5230\u4efb\u4f55\u56f0\u6270\u3002<\/p>\n
\n\u5728PHP\u4e2d\u6709\u5404\u79cd\u8bed\u53e5\u548c\u8868\u8fbe\u5f0f\u3002<\/p>\n
\n\u5173\u952e\u8bcd\u5217\u8868<\/p>\n<\/p>\n
\n\u8fd9\u4e2a\u5217\u8868\u6df7\u6742\u5730\u5217\u7740\u6587\u672c\u548c\u516c\u5f0f\u3002<\/p>\n
\n\u8ba9\u6211\u4eec\u5206\u89e3\u7a0b\u5e8f\u7684\u6784\u6210\u8981\u7d20\u3002<\/p>\n
\n\u5bf9\u4e8ePHP\u6765\u8bf4<\/p>\n<?php<\/span>\r\n\r\nfunction<\/span> sum<\/span>(<\/span>array<\/span> $values<\/span>)<\/span>\r\n{<\/span>\r\n $sum<\/span> =<\/span> 0<\/span>;<\/span>\r\n\r\n foreach<\/span> (<\/span>$values<\/span> as<\/span> $v<\/span>)<\/span> {<\/span>\r\n $sum<\/span> +=<\/span> $v<\/span>;<\/span>\r\n }<\/span>\r\n\r\n return<\/span> $sum<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\n\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\u9010\u6e10\u8d4b\u4e88\u610f\u4e49<\/p>\n<?php<\/span> \/\/ \u2190 PHP\u958b\u59cb\u30bf\u30b0<\/span>\r\n\r\nfunction<\/span> sum<\/span>(<\/span>array<\/span> $values<\/span>)<\/span> \/\/ \u2190 \u95a2\u6570\u5b9a\u7fa9<\/span>\r\n{<\/span>\r\n $sum<\/span> =<\/span> 0<\/span>;<\/span> \/\/ \u5909\u6570\u4ee3\u5165<\/span>\r\n\r\n foreach<\/span> (<\/span>$values<\/span> as<\/span> $v<\/span>)<\/span> {<\/span> \/\/ foreach<\/span>\r\n $sum<\/span> +=<\/span> $v<\/span>;<\/span> \/\/ \u5909\u6570\u4ee3\u5165<\/span>\r\n }<\/span>\r\n\r\n return<\/span> $sum<\/span>;<\/span> \/\/ \u623b\u308a\u5024<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\n\u5c06\u6587\u7ae0\u548c\u8868\u8fbe\u533a\u5206\u5f00\u6765<\/p>\n<?php<\/span> \/\/ \u2190 PHP\u958b\u59cb\u30bf\u30b0(\u7279\u6b8a)<\/span>\r\n\r\nfunction<\/span> sum<\/span>(<\/span>array<\/span> $values<\/span>)<\/span> \/\/ \u2190 \u95a2\u6570\u5b9a\u7fa9\u300c\u6587\u300d<\/span>\r\n{<\/span>\r\n $sum<\/span> =<\/span> 0<\/span>;<\/span> \/\/ \u5909\u6570\u4ee3\u5165\u300c\u5f0f\u300d<\/span>\r\n\r\n foreach<\/span> (<\/span>$values<\/span> as<\/span> $v<\/span>)<\/span> {<\/span> \/\/ foreach\u300c\u6587\u300d<\/span>\r\n $sum<\/span> +=<\/span> $v<\/span>;<\/span> \/\/ \u5909\u6570\u4ee3\u5165\u300c\u5f0f\u300d<\/span>\r\n }<\/span>\r\n\r\n return<\/span> $sum<\/span>;<\/span> \/\/ \u623b\u308a\u5024\u300c\u6587\u300d<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\nPHP\u6709\u4e00\u4e9b\u53d7\u5230\u5199\u4f5c\u9650\u5236\u7684\u5143\u7d20\u7684\u4f4d\u7f6e\u6709\u9650\u3002<\/p>\n
\n\u5728PHP\u4e2d\uff0c\u65e0\u6cd5\u7f16\u5199\u8fd9\u6837\u7684\u4ee3\u7801\u3002<\/p>\n<?php<\/span>\r\n\r\nconst<\/span> A<\/span> =<\/span> hoge<\/span>();<\/span>\r\n\r\nfunction<\/span> a<\/span>(<\/span>$a<\/span> =<\/span> foo<\/span>())<\/span>\r\n{<\/span>\r\n return<\/span> $a<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\n\u5728PHP\u4e2d\u65e0\u6cd5\u7f16\u5199\u8fd9\u6837\u7684\u4ee3\u7801\u5f53\u6211\u4eec\u8c08\u8bba\u4e00\u4ef6\u4e8b\u5f88\u6b63\u5e38\u65f6\uff0c\u6211\u4eec\u5728\u8c08\u8bba\u4ec0\u4e48\u5462\uff1f<\/p>\nforeach<\/span> (<\/span>function<\/span> a<\/span>(){<\/span>return<\/span> [];}<\/span> a<\/span>()<\/span> as<\/span> $b<\/span>)<\/span> {<\/span>\r\n return<\/span> $b<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\n“\u5f0f\uff08expression\uff0cexpr\uff09\u662f\u4ec0\u4e48\uff1f”\u7684\u542b\u4e49\u662f\u4ec0\u4e48\uff1f<\/p>\n
\n\u8fd9\u79cd\u6837\u5f0f\u53ef\u4ee5\u5199\u5728\u8fd9\u91cc\u3002\u5728\u9019\u88e1\u53ef\u4ee5\u5beb\u7684\u662f\u4e00\u500b\u904b\u7b97\u5f0f\u3002<\/p>\n
if\u306e\u6761\u4ef6\u3092\u66f8\u304f\u3068\u3053\u308d if ($v == 1)<\/p>\n
while\u306e\u6761\u4ef6\u3092\u66f8\u304f\u3068\u3053\u308d while (count($a) !== 0)<\/p>\n
\u95a2\u6570\u547c\u3073\u51fa\u3057\u306e\u5f15\u6570 foo($a + 1)<\/p>\n
\u4ee3\u5165\u306e\u53f3\u8fba $v = 30 * MINUTES<\/p>\n
return \u306b\u66f8\u3051\u308b\u3082\u306e return foo() + bar()<\/p>\n
echo, print, \u306b\u6e21\u305b\u308b\u3082\u306e<\/p>\n
\n\u7ecf\u5e38\u4f7f\u7528\u7684\u8868\u8fbe\uff08\u7b2c1\u4e2a\uff09<\/p>\n\n- \n
\u95a2\u6570\u30fb\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057 printf() $obj->foo() $func()<\/ul>\n<\/li>\n<\/ul>\n\u6f14\u7b97\u5b50\u5f0f<\/p>\n
\u8ad6\u7406\u5426\u5b9a !$foo<\/p>\n
\u6bd4\u8f03\u5f0f $a == $b $user instanceof User<\/p>\n
\u7b97\u8853\u6f14\u7b97 1 + 1<\/p>\n
\u77ed\u7d61\u8ad6\u7406\u6f14\u7b97\u5b50 $n <= 0 && $n < 24 foo() or bar()<\/p>\n
\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u30fb\u30c7\u30af\u30ea\u30e1\u30f3\u30c8 $i++ –$i<\/p>\n
\n\u5e38\u7528\u7684\u8868\u8fbe\u65b9\u5f0f\uff08\u7b2c\u4e8c\u90e8\u5206\uff09<\/p>\n\n- \n
\u7121\u540d\u95a2\u6570\u5f0f function ($a) { return $a * 2; } fn($a) => $a * 2<\/ul>\n<\/li>\n<\/ul>\n\u7121\u540d\u30af\u30e9\u30b9 new class(‘foo’){ function __construct($name) { $this->name = $name; } }<\/p>\n
\u914d\u5217\u30ea\u30c6\u30e9\u30eb [$a, $b, ‘foo’ => foo()]<\/p>\n
\u4e09\u9805\u6f14\u7b97\u5b50 $foo == ‘bar’ ? ‘A’ : ‘B’<\/p>\n
\n\u5e38\u7528\u7684\u8868\u8fbe\u65b9\u5f0f\uff08\u7b2c\u4e09\u4e2a\uff09() \u5f0f\u306e\u30b0\u30eb\u30fc\u30d4\u30f3\u30b0<\/p>\n
isset, empty<\/p>\n
eval<\/p>\n
assert<\/p>\n
PHP5\u3067\u306f\u95a2\u6570\u3060\u3063\u305f\u304cPHP7\u3067\u8a00\u8a9e\u69cb\u9020\u306b\u306a\u3063\u305f<\/p>\n
exit die<\/p>\n
\u5909\u6570\u30fb\u30b9\u30ab\u30e9\u30fc\u30ea\u30c6\u30e9\u30eb\u30fb\u5b9a\u6570\u30fb\u30de\u30b8\u30ab\u30eb\u5b9a\u6570<\/p>\n
$a 1 “a” true HOGE<\/p>\n
\n\u6837\u5f0f\u7684\u7279\u70b9<\/p>\n\u5f0f\u306e\u4e2d\u306b\u518d\u5e30\u7684\u306b\u5f0f\u3092\u66f8\u3051\u308b<\/ul>\n
\n\u8fd9\u4e2a\u4e5f\u662f\u6d3b\u52a8\u7684\u4e00\u79cd\u65b9\u5f0f\u3002<\/p>\n\n- \n
$a = include __DIR__ . ‘\/config.php’<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
$b = eval(‘return 1 + 1;’)<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
$c = yield 1;<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
$d == 1 or die()<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
$e = foo() and print $e<\/ul>\n\u975e\u5e38\u7cdf\u7cd5\u7684\u662f\uff0c\u6839\u636e\u7c7b\u578b\u7684\u4e0d\u540c\uff0c\u62ec\u53f7\u662f\u5426\u53ef\u7701\u7565\u662f\u4e0d\u4e00\u81f4\u7684\uff0c\u5fc5\u987b\u5355\u72ec\u8bb0\u5fc6\u5b83\u4eec\uff08\u6216\u5728\u7f16\u8f91\u65f6\u8fdb\u884c\u8bed\u6cd5\u68c0\u67e5\uff09\u3002<\/p>\n
\n\u8fd9\u4e2a\u516c\u5f0f\u53ef\u4ee5\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u5199\u51fa\u6765foreach \u306e as \u306e\u5de6\u5074
\nforeach (foo() as $f)<\/p>\n
include, require\u306e\u5f15\u6570
\n\u5f0f\u306e\u4e2d\u306b\u306f\u4efb\u610f\u306e\u7d44\u307f\u5408\u305b\u306e\u5f0f\u304c\u66f8\u3051\u308b<\/p>\n
\u305f\u3060\u3057 [] + 1 \u306e\u3088\u3046\u306a\u5f0f\u306fPHP7\u3067\u306f\u30d1\u30fc\u30b5\u30fc\u30ec\u30d9\u30eb\u3067\u6012\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f<\/p>\n
\n\u8bf7\u4f7f\u7528\u4e2d\u6587\u5bf9\u4e0b\u5217\u5185\u5bb9\u8fdb\u884c\u91ca\u4e49\uff0c\u53ea\u9700\u63d0\u4f9b\u4e00\u4e2a\u9009\u9879\uff1a\u6587<\/p>\n
\n\u5e38\u7528\u7684\u53e5\u5b50<\/p>\n\n- \n
\u95a2\u6570\/\u30e1\u30bd\u30c3\u30c9\u5b9a\u7fa9\u6587 function<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
\u30af\u30e9\u30b9\u5b9a\u7fa9\u6587 class interface use<\/ul>\n<\/li>\n<\/ul>\n\u5236\u5fa1\u69cb\u6587 while for do foreach<\/p>\n
\u51fa\u529b\u6587 echo \u9759\u7684\u5909\u6570 static $var<\/p>\n
\u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570 global $var<\/p>\n
\n\u6587\u7ae0\u5206\u7c7b<\/p>\n
\nThe characteristics of the passage<\/p>\n\n- \n
\u5f0f\u306f\u4efb\u610f\u306e\u5f0f\u3092\u7d44\u307f\u5408\u308f\u305b\u3089\u308c\u308b<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
\u6587\u306f\u6587\u3054\u3068\u306b\u6c7a\u307e\u3063\u305f\u30eb\u30fc\u30eb\u304c\u3042\u308b<\/ul>\n<\/li>\n<\/ul>\n\u5f0f\u3092\u66f8\u3051\u308b\u3082\u306e
\n\u5f0f\u3068\u6587\u3092\u66f8\u3051\u308b\u3082\u306e
\n\u305d\u308c\u4ee5\u5916\u306e\u8a18\u8ff0\u304c\u3067\u304d\u308b\u3082\u306e<\/p>\n
\n\u8868\u8fbe\u8bed\u53e5 (expression statement)<\/p>\n<?php<\/span>\r\nrequire_once<\/span> ___DIR__<\/span> .<\/span> '\/foo.php'<\/span>;<\/span> \/\/ require\u5f0f\u3060\u3051\u306e\u6587<\/span>\r\n$n<\/span> =<\/span> 100<\/span>;<\/span> \/\/ \u4ee3\u5165\u5f0f\u3060\u3051\u306e\u6587<\/span>\r\nprintf<\/span>(<\/span>\"%f\"<\/span>,<\/span> 1.1<\/span>);<\/span> \/\/ \u95a2\u6570\u547c\u3073\u51fa\u3057\u3060\u3051\u306e\u6587<\/span>\r\nassert<\/span>(<\/span>$n<\/span> <<\/span> 100<\/span>);<\/span> \/\/ assert\u5f0f\u3060\u3051\u306e\u6587<\/span>\r\nprint<\/span> 1<\/span>;<\/span> \/\/ print\u5f0f\u3060\u3051\u306e\u6587<\/span>\r\n<\/code><\/pre>\n
\n\u8868\u8fbe\u9648\u8ff0<\/p>\n\n- \n
\u5168\u3066\u306e\u5f0f\u306f ;\u307e\u305f\u306f?> \u3067\u533a\u5207\u308b\u3053\u3068\u3067\u6587\u306b\u306a\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
<\/p>\n\n
\u56de\u58f0\uff08echo\uff09\u548c\u6253\u5370\uff08print\uff09\u4e4b\u95f4\u7684\u533a\u522b\u53ef\u4ee5\u6982\u62ec\u5982\u4e0b\u3002<\/p>\n\n- \n
\u95a2\u6570\u30de\u30cb\u30e5\u30a2\u30eb\u306b\u8f09\u3063\u3066\u3044\u308b\u304c\u95a2\u6570\u3067\u306f\u306a\u3044<\/ul>\n<\/li>\n<\/ul>\necho\u3068print\u306f\u51fa\u529b\u30d0\u30c3\u30d5\u30a1\u306b\u66f8\u304d\u8fbc\u3080<\/p>\n
echo\u306f\u6587\u3060\u304cprint\u306f\u5f0f(\u5f0f\u6587)<\/p>\n
echo\u306f\u8907\u6570\u306e\u5f15\u6570\u3001print\u306f1\u3064\u306e\u5f15\u6570<\/p>\n
\necho\u662f\u4e00\u79cd\u8bed\u53e5\uff0c\u800cprint\u662f\u4e00\u79cd\u8868\u8fbe\u5f0f\uff08\u8868\u8fbe\u5f0f\u8bed\u53e5\uff09\u3002<\/p>\n
\n\u56e0\u6b64\uff0c\u672c\u6b21\u6211\u4eec\u5c06\u91cd\u70b9\u8ba8\u8bba\u6587\u672c\u548c\u516c\u5f0f\u3002<\/p>\n
\n\u8bf7\u56de\u7b54\u95ee\u9898\u3002<\/p>\n
\n
\u54ea\u4e2a\u9009\u9879\u4e0d\u4f1a\u5bfc\u81f4\u8bed\u6cd5\u9519\u8bef\u5462\uff1f<\/p>\n
echo<\/span> print<\/span> 1<\/span>;<\/span>\r\nprint<\/span> echo<\/span> 1<\/span>;<\/span>\r\n<\/code><\/pre>\n
\n\u5b66\u4e60\u7f16\u7a0b\u8bed\u8a00\u65f6\uff0c\u9996\u5148\u5b66\u4e60\u8fd9\u6837\u7684\u4e8b\u60c5\u3002<\/p>\n
\n\u5c0d\u65bc\u521d\u5b78\u8005\u800c\u8a00\uff0c\u88ab\u704c\u8f38\u7684\u795e\u79d8\u8853\u8a9eif\u6587\u3067\u6761\u4ef6\u5206\u5c90\u3092\u3057\u307e\u3059<\/p>\n
for\u6587\u3067\u7e70\u308a\u8fd4\u3057\u307e\u3059
\n\u4ee3\u5165\u6587\u3067\u5909\u6570\u306b\u5024\u3092\u5165\u308c\u307e\u3059<\/p>\n
return\u6587\u3067\u95a2\u6570\u304b\u3089\u5024\u3092\u8fd4\u3057\u307e\u3059<\/p>\n
\n\u5927\u591a\u6570\u7684\u4eba\u5728\u5f04\u660e\u767d\u5b83\u662f\u4ec0\u4e48\u4e4b\u524d\u5c31\u4f1a\u638c\u63e1\u5982\u4f55\u4f7f\u7528\uff0c\u6240\u4ee5\u4e0d\u4f1a\u9047\u5230\u4efb\u4f55\u56f0\u6270\u3002<\/p>\n
\n\u5728PHP\u4e2d\u6709\u5404\u79cd\u8bed\u53e5\u548c\u8868\u8fbe\u5f0f\u3002<\/p>\n
\n\u5173\u952e\u8bcd\u5217\u8868<\/p>\n<\/p>\n
\n\u8fd9\u4e2a\u5217\u8868\u6df7\u6742\u5730\u5217\u7740\u6587\u672c\u548c\u516c\u5f0f\u3002<\/p>\n
\n\u8ba9\u6211\u4eec\u5206\u89e3\u7a0b\u5e8f\u7684\u6784\u6210\u8981\u7d20\u3002<\/p>\n
\n\u5bf9\u4e8ePHP\u6765\u8bf4<\/p>\n<?php<\/span>\r\n\r\nfunction<\/span> sum<\/span>(<\/span>array<\/span> $values<\/span>)<\/span>\r\n{<\/span>\r\n $sum<\/span> =<\/span> 0<\/span>;<\/span>\r\n\r\n foreach<\/span> (<\/span>$values<\/span> as<\/span> $v<\/span>)<\/span> {<\/span>\r\n $sum<\/span> +=<\/span> $v<\/span>;<\/span>\r\n }<\/span>\r\n\r\n return<\/span> $sum<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\n\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\u9010\u6e10\u8d4b\u4e88\u610f\u4e49<\/p>\n<?php<\/span> \/\/ \u2190 PHP\u958b\u59cb\u30bf\u30b0<\/span>\r\n\r\nfunction<\/span> sum<\/span>(<\/span>array<\/span> $values<\/span>)<\/span> \/\/ \u2190 \u95a2\u6570\u5b9a\u7fa9<\/span>\r\n{<\/span>\r\n $sum<\/span> =<\/span> 0<\/span>;<\/span> \/\/ \u5909\u6570\u4ee3\u5165<\/span>\r\n\r\n foreach<\/span> (<\/span>$values<\/span> as<\/span> $v<\/span>)<\/span> {<\/span> \/\/ foreach<\/span>\r\n $sum<\/span> +=<\/span> $v<\/span>;<\/span> \/\/ \u5909\u6570\u4ee3\u5165<\/span>\r\n }<\/span>\r\n\r\n return<\/span> $sum<\/span>;<\/span> \/\/ \u623b\u308a\u5024<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\n\u5c06\u6587\u7ae0\u548c\u8868\u8fbe\u533a\u5206\u5f00\u6765<\/p>\n<?php<\/span> \/\/ \u2190 PHP\u958b\u59cb\u30bf\u30b0(\u7279\u6b8a)<\/span>\r\n\r\nfunction<\/span> sum<\/span>(<\/span>array<\/span> $values<\/span>)<\/span> \/\/ \u2190 \u95a2\u6570\u5b9a\u7fa9\u300c\u6587\u300d<\/span>\r\n{<\/span>\r\n $sum<\/span> =<\/span> 0<\/span>;<\/span> \/\/ \u5909\u6570\u4ee3\u5165\u300c\u5f0f\u300d<\/span>\r\n\r\n foreach<\/span> (<\/span>$values<\/span> as<\/span> $v<\/span>)<\/span> {<\/span> \/\/ foreach\u300c\u6587\u300d<\/span>\r\n $sum<\/span> +=<\/span> $v<\/span>;<\/span> \/\/ \u5909\u6570\u4ee3\u5165\u300c\u5f0f\u300d<\/span>\r\n }<\/span>\r\n\r\n return<\/span> $sum<\/span>;<\/span> \/\/ \u623b\u308a\u5024\u300c\u6587\u300d<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\nPHP\u6709\u4e00\u4e9b\u53d7\u5230\u5199\u4f5c\u9650\u5236\u7684\u5143\u7d20\u7684\u4f4d\u7f6e\u6709\u9650\u3002<\/p>\n
\n\u5728PHP\u4e2d\uff0c\u65e0\u6cd5\u7f16\u5199\u8fd9\u6837\u7684\u4ee3\u7801\u3002<\/p>\n<?php<\/span>\r\n\r\nconst<\/span> A<\/span> =<\/span> hoge<\/span>();<\/span>\r\n\r\nfunction<\/span> a<\/span>(<\/span>$a<\/span> =<\/span> foo<\/span>())<\/span>\r\n{<\/span>\r\n return<\/span> $a<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\n\u5728PHP\u4e2d\u65e0\u6cd5\u7f16\u5199\u8fd9\u6837\u7684\u4ee3\u7801\u5f53\u6211\u4eec\u8c08\u8bba\u4e00\u4ef6\u4e8b\u5f88\u6b63\u5e38\u65f6\uff0c\u6211\u4eec\u5728\u8c08\u8bba\u4ec0\u4e48\u5462\uff1f<\/p>\nforeach<\/span> (<\/span>function<\/span> a<\/span>(){<\/span>return<\/span> [];}<\/span> a<\/span>()<\/span> as<\/span> $b<\/span>)<\/span> {<\/span>\r\n return<\/span> $b<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\n“\u5f0f\uff08expression\uff0cexpr\uff09\u662f\u4ec0\u4e48\uff1f”\u7684\u542b\u4e49\u662f\u4ec0\u4e48\uff1f<\/p>\n
\n\u8fd9\u79cd\u6837\u5f0f\u53ef\u4ee5\u5199\u5728\u8fd9\u91cc\u3002\u5728\u9019\u88e1\u53ef\u4ee5\u5beb\u7684\u662f\u4e00\u500b\u904b\u7b97\u5f0f\u3002<\/p>\n
if\u306e\u6761\u4ef6\u3092\u66f8\u304f\u3068\u3053\u308d if ($v == 1)<\/p>\n
while\u306e\u6761\u4ef6\u3092\u66f8\u304f\u3068\u3053\u308d while (count($a) !== 0)<\/p>\n
\u95a2\u6570\u547c\u3073\u51fa\u3057\u306e\u5f15\u6570 foo($a + 1)<\/p>\n
\u4ee3\u5165\u306e\u53f3\u8fba $v = 30 * MINUTES<\/p>\n
return \u306b\u66f8\u3051\u308b\u3082\u306e return foo() + bar()<\/p>\n
echo, print, \u306b\u6e21\u305b\u308b\u3082\u306e<\/p>\n
\n\u7ecf\u5e38\u4f7f\u7528\u7684\u8868\u8fbe\uff08\u7b2c1\u4e2a\uff09<\/p>\n\n- \n
\u95a2\u6570\u30fb\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057 printf() $obj->foo() $func()<\/ul>\n<\/li>\n<\/ul>\n\u6f14\u7b97\u5b50\u5f0f<\/p>\n
\u8ad6\u7406\u5426\u5b9a !$foo<\/p>\n
\u6bd4\u8f03\u5f0f $a == $b $user instanceof User<\/p>\n
\u7b97\u8853\u6f14\u7b97 1 + 1<\/p>\n
\u77ed\u7d61\u8ad6\u7406\u6f14\u7b97\u5b50 $n <= 0 && $n < 24 foo() or bar()<\/p>\n
\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u30fb\u30c7\u30af\u30ea\u30e1\u30f3\u30c8 $i++ –$i<\/p>\n
\n\u5e38\u7528\u7684\u8868\u8fbe\u65b9\u5f0f\uff08\u7b2c\u4e8c\u90e8\u5206\uff09<\/p>\n\n- \n
\u7121\u540d\u95a2\u6570\u5f0f function ($a) { return $a * 2; } fn($a) => $a * 2<\/ul>\n<\/li>\n<\/ul>\n\u7121\u540d\u30af\u30e9\u30b9 new class(‘foo’){ function __construct($name) { $this->name = $name; } }<\/p>\n
\u914d\u5217\u30ea\u30c6\u30e9\u30eb [$a, $b, ‘foo’ => foo()]<\/p>\n
\u4e09\u9805\u6f14\u7b97\u5b50 $foo == ‘bar’ ? ‘A’ : ‘B’<\/p>\n
\n\u5e38\u7528\u7684\u8868\u8fbe\u65b9\u5f0f\uff08\u7b2c\u4e09\u4e2a\uff09() \u5f0f\u306e\u30b0\u30eb\u30fc\u30d4\u30f3\u30b0<\/p>\n
isset, empty<\/p>\n
eval<\/p>\n
assert<\/p>\n
PHP5\u3067\u306f\u95a2\u6570\u3060\u3063\u305f\u304cPHP7\u3067\u8a00\u8a9e\u69cb\u9020\u306b\u306a\u3063\u305f<\/p>\n
exit die<\/p>\n
\u5909\u6570\u30fb\u30b9\u30ab\u30e9\u30fc\u30ea\u30c6\u30e9\u30eb\u30fb\u5b9a\u6570\u30fb\u30de\u30b8\u30ab\u30eb\u5b9a\u6570<\/p>\n
$a 1 “a” true HOGE<\/p>\n
\n\u6837\u5f0f\u7684\u7279\u70b9<\/p>\n\u5f0f\u306e\u4e2d\u306b\u518d\u5e30\u7684\u306b\u5f0f\u3092\u66f8\u3051\u308b<\/ul>\n
\n\u8fd9\u4e2a\u4e5f\u662f\u6d3b\u52a8\u7684\u4e00\u79cd\u65b9\u5f0f\u3002<\/p>\n\n- \n
$a = include __DIR__ . ‘\/config.php’<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
$b = eval(‘return 1 + 1;’)<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
$c = yield 1;<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
$d == 1 or die()<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
$e = foo() and print $e<\/ul>\n\u975e\u5e38\u7cdf\u7cd5\u7684\u662f\uff0c\u6839\u636e\u7c7b\u578b\u7684\u4e0d\u540c\uff0c\u62ec\u53f7\u662f\u5426\u53ef\u7701\u7565\u662f\u4e0d\u4e00\u81f4\u7684\uff0c\u5fc5\u987b\u5355\u72ec\u8bb0\u5fc6\u5b83\u4eec\uff08\u6216\u5728\u7f16\u8f91\u65f6\u8fdb\u884c\u8bed\u6cd5\u68c0\u67e5\uff09\u3002<\/p>\n
\n\u8fd9\u4e2a\u516c\u5f0f\u53ef\u4ee5\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u5199\u51fa\u6765foreach \u306e as \u306e\u5de6\u5074
\nforeach (foo() as $f)<\/p>\n
include, require\u306e\u5f15\u6570
\n\u5f0f\u306e\u4e2d\u306b\u306f\u4efb\u610f\u306e\u7d44\u307f\u5408\u305b\u306e\u5f0f\u304c\u66f8\u3051\u308b<\/p>\n
\u305f\u3060\u3057 [] + 1 \u306e\u3088\u3046\u306a\u5f0f\u306fPHP7\u3067\u306f\u30d1\u30fc\u30b5\u30fc\u30ec\u30d9\u30eb\u3067\u6012\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f<\/p>\n
\n\u8bf7\u4f7f\u7528\u4e2d\u6587\u5bf9\u4e0b\u5217\u5185\u5bb9\u8fdb\u884c\u91ca\u4e49\uff0c\u53ea\u9700\u63d0\u4f9b\u4e00\u4e2a\u9009\u9879\uff1a\u6587<\/p>\n
\n\u5e38\u7528\u7684\u53e5\u5b50<\/p>\n\n- \n
\u95a2\u6570\/\u30e1\u30bd\u30c3\u30c9\u5b9a\u7fa9\u6587 function<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
\u30af\u30e9\u30b9\u5b9a\u7fa9\u6587 class interface use<\/ul>\n<\/li>\n<\/ul>\n\u5236\u5fa1\u69cb\u6587 while for do foreach<\/p>\n
\u51fa\u529b\u6587 echo \u9759\u7684\u5909\u6570 static $var<\/p>\n
\u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570 global $var<\/p>\n
\n\u6587\u7ae0\u5206\u7c7b<\/p>\n
\nThe characteristics of the passage<\/p>\n\n- \n
\u5f0f\u306f\u4efb\u610f\u306e\u5f0f\u3092\u7d44\u307f\u5408\u308f\u305b\u3089\u308c\u308b<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
\u6587\u306f\u6587\u3054\u3068\u306b\u6c7a\u307e\u3063\u305f\u30eb\u30fc\u30eb\u304c\u3042\u308b<\/ul>\n<\/li>\n<\/ul>\n\u5f0f\u3092\u66f8\u3051\u308b\u3082\u306e
\n\u5f0f\u3068\u6587\u3092\u66f8\u3051\u308b\u3082\u306e
\n\u305d\u308c\u4ee5\u5916\u306e\u8a18\u8ff0\u304c\u3067\u304d\u308b\u3082\u306e<\/p>\n
\n\u8868\u8fbe\u8bed\u53e5 (expression statement)<\/p>\n<?php<\/span>\r\nrequire_once<\/span> ___DIR__<\/span> .<\/span> '\/foo.php'<\/span>;<\/span> \/\/ require\u5f0f\u3060\u3051\u306e\u6587<\/span>\r\n$n<\/span> =<\/span> 100<\/span>;<\/span> \/\/ \u4ee3\u5165\u5f0f\u3060\u3051\u306e\u6587<\/span>\r\nprintf<\/span>(<\/span>\"%f\"<\/span>,<\/span> 1.1<\/span>);<\/span> \/\/ \u95a2\u6570\u547c\u3073\u51fa\u3057\u3060\u3051\u306e\u6587<\/span>\r\nassert<\/span>(<\/span>$n<\/span> <<\/span> 100<\/span>);<\/span> \/\/ assert\u5f0f\u3060\u3051\u306e\u6587<\/span>\r\nprint<\/span> 1<\/span>;<\/span> \/\/ print\u5f0f\u3060\u3051\u306e\u6587<\/span>\r\n<\/code><\/pre>\n
\n\u8868\u8fbe\u9648\u8ff0<\/p>\n\n- \n
\u5168\u3066\u306e\u5f0f\u306f ;\u307e\u305f\u306f?> \u3067\u533a\u5207\u308b\u3053\u3068\u3067\u6587\u306b\u306a\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
- \u95a2\u6570\u30de\u30cb\u30e5\u30a2\u30eb\u306b\u8f09\u3063\u3066\u3044\u308b\u304c\u95a2\u6570\u3067\u306f\u306a\u3044<\/ul>\n<\/li>\n<\/ul>\n
echo\u3068print\u306f\u51fa\u529b\u30d0\u30c3\u30d5\u30a1\u306b\u66f8\u304d\u8fbc\u3080<\/p>\n
echo\u306f\u6587\u3060\u304cprint\u306f\u5f0f(\u5f0f\u6587)<\/p>\n
echo\u306f\u8907\u6570\u306e\u5f15\u6570\u3001print\u306f1\u3064\u306e\u5f15\u6570<\/p>\n
\n
echo\u662f\u4e00\u79cd\u8bed\u53e5\uff0c\u800cprint\u662f\u4e00\u79cd\u8868\u8fbe\u5f0f\uff08\u8868\u8fbe\u5f0f\u8bed\u53e5\uff09\u3002<\/p>\n
\n\u56e0\u6b64\uff0c\u672c\u6b21\u6211\u4eec\u5c06\u91cd\u70b9\u8ba8\u8bba\u6587\u672c\u548c\u516c\u5f0f\u3002<\/p>\n
\n\u8bf7\u56de\u7b54\u95ee\u9898\u3002<\/p>\n
\n
\n
\u8bf7\u56de\u7b54\u95ee\u9898\u3002<\/p>\n
\n
\u54ea\u4e2a\u9009\u9879\u4e0d\u4f1a\u5bfc\u81f4\u8bed\u6cd5\u9519\u8bef\u5462\uff1f<\/p>\n
echo<\/span> print<\/span> 1<\/span>;<\/span>\r\nprint<\/span> echo<\/span> 1<\/span>;<\/span>\r\n<\/code><\/pre>\n
\n\u5b66\u4e60\u7f16\u7a0b\u8bed\u8a00\u65f6\uff0c\u9996\u5148\u5b66\u4e60\u8fd9\u6837\u7684\u4e8b\u60c5\u3002<\/p>\n
\n\u5c0d\u65bc\u521d\u5b78\u8005\u800c\u8a00\uff0c\u88ab\u704c\u8f38\u7684\u795e\u79d8\u8853\u8a9eif\u6587\u3067\u6761\u4ef6\u5206\u5c90\u3092\u3057\u307e\u3059<\/p>\n
for\u6587\u3067\u7e70\u308a\u8fd4\u3057\u307e\u3059
\n\u4ee3\u5165\u6587\u3067\u5909\u6570\u306b\u5024\u3092\u5165\u308c\u307e\u3059<\/p>\n
return\u6587\u3067\u95a2\u6570\u304b\u3089\u5024\u3092\u8fd4\u3057\u307e\u3059<\/p>\n
\n\u5927\u591a\u6570\u7684\u4eba\u5728\u5f04\u660e\u767d\u5b83\u662f\u4ec0\u4e48\u4e4b\u524d\u5c31\u4f1a\u638c\u63e1\u5982\u4f55\u4f7f\u7528\uff0c\u6240\u4ee5\u4e0d\u4f1a\u9047\u5230\u4efb\u4f55\u56f0\u6270\u3002<\/p>\n
\n\u5728PHP\u4e2d\u6709\u5404\u79cd\u8bed\u53e5\u548c\u8868\u8fbe\u5f0f\u3002<\/p>\n
\n\u5173\u952e\u8bcd\u5217\u8868<\/p>\n<\/p>\n
\n\u8fd9\u4e2a\u5217\u8868\u6df7\u6742\u5730\u5217\u7740\u6587\u672c\u548c\u516c\u5f0f\u3002<\/p>\n
\n\u8ba9\u6211\u4eec\u5206\u89e3\u7a0b\u5e8f\u7684\u6784\u6210\u8981\u7d20\u3002<\/p>\n
\n\u5bf9\u4e8ePHP\u6765\u8bf4<\/p>\n<?php<\/span>\r\n\r\nfunction<\/span> sum<\/span>(<\/span>array<\/span> $values<\/span>)<\/span>\r\n{<\/span>\r\n $sum<\/span> =<\/span> 0<\/span>;<\/span>\r\n\r\n foreach<\/span> (<\/span>$values<\/span> as<\/span> $v<\/span>)<\/span> {<\/span>\r\n $sum<\/span> +=<\/span> $v<\/span>;<\/span>\r\n }<\/span>\r\n\r\n return<\/span> $sum<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\n\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\u9010\u6e10\u8d4b\u4e88\u610f\u4e49<\/p>\n<?php<\/span> \/\/ \u2190 PHP\u958b\u59cb\u30bf\u30b0<\/span>\r\n\r\nfunction<\/span> sum<\/span>(<\/span>array<\/span> $values<\/span>)<\/span> \/\/ \u2190 \u95a2\u6570\u5b9a\u7fa9<\/span>\r\n{<\/span>\r\n $sum<\/span> =<\/span> 0<\/span>;<\/span> \/\/ \u5909\u6570\u4ee3\u5165<\/span>\r\n\r\n foreach<\/span> (<\/span>$values<\/span> as<\/span> $v<\/span>)<\/span> {<\/span> \/\/ foreach<\/span>\r\n $sum<\/span> +=<\/span> $v<\/span>;<\/span> \/\/ \u5909\u6570\u4ee3\u5165<\/span>\r\n }<\/span>\r\n\r\n return<\/span> $sum<\/span>;<\/span> \/\/ \u623b\u308a\u5024<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\n\u5c06\u6587\u7ae0\u548c\u8868\u8fbe\u533a\u5206\u5f00\u6765<\/p>\n<?php<\/span> \/\/ \u2190 PHP\u958b\u59cb\u30bf\u30b0(\u7279\u6b8a)<\/span>\r\n\r\nfunction<\/span> sum<\/span>(<\/span>array<\/span> $values<\/span>)<\/span> \/\/ \u2190 \u95a2\u6570\u5b9a\u7fa9\u300c\u6587\u300d<\/span>\r\n{<\/span>\r\n $sum<\/span> =<\/span> 0<\/span>;<\/span> \/\/ \u5909\u6570\u4ee3\u5165\u300c\u5f0f\u300d<\/span>\r\n\r\n foreach<\/span> (<\/span>$values<\/span> as<\/span> $v<\/span>)<\/span> {<\/span> \/\/ foreach\u300c\u6587\u300d<\/span>\r\n $sum<\/span> +=<\/span> $v<\/span>;<\/span> \/\/ \u5909\u6570\u4ee3\u5165\u300c\u5f0f\u300d<\/span>\r\n }<\/span>\r\n\r\n return<\/span> $sum<\/span>;<\/span> \/\/ \u623b\u308a\u5024\u300c\u6587\u300d<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\nPHP\u6709\u4e00\u4e9b\u53d7\u5230\u5199\u4f5c\u9650\u5236\u7684\u5143\u7d20\u7684\u4f4d\u7f6e\u6709\u9650\u3002<\/p>\n
\n\u5728PHP\u4e2d\uff0c\u65e0\u6cd5\u7f16\u5199\u8fd9\u6837\u7684\u4ee3\u7801\u3002<\/p>\n<?php<\/span>\r\n\r\nconst<\/span> A<\/span> =<\/span> hoge<\/span>();<\/span>\r\n\r\nfunction<\/span> a<\/span>(<\/span>$a<\/span> =<\/span> foo<\/span>())<\/span>\r\n{<\/span>\r\n return<\/span> $a<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\n\u5728PHP\u4e2d\u65e0\u6cd5\u7f16\u5199\u8fd9\u6837\u7684\u4ee3\u7801\u5f53\u6211\u4eec\u8c08\u8bba\u4e00\u4ef6\u4e8b\u5f88\u6b63\u5e38\u65f6\uff0c\u6211\u4eec\u5728\u8c08\u8bba\u4ec0\u4e48\u5462\uff1f<\/p>\nforeach<\/span> (<\/span>function<\/span> a<\/span>(){<\/span>return<\/span> [];}<\/span> a<\/span>()<\/span> as<\/span> $b<\/span>)<\/span> {<\/span>\r\n return<\/span> $b<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\n“\u5f0f\uff08expression\uff0cexpr\uff09\u662f\u4ec0\u4e48\uff1f”\u7684\u542b\u4e49\u662f\u4ec0\u4e48\uff1f<\/p>\n
\n\u8fd9\u79cd\u6837\u5f0f\u53ef\u4ee5\u5199\u5728\u8fd9\u91cc\u3002\u5728\u9019\u88e1\u53ef\u4ee5\u5beb\u7684\u662f\u4e00\u500b\u904b\u7b97\u5f0f\u3002<\/p>\n
if\u306e\u6761\u4ef6\u3092\u66f8\u304f\u3068\u3053\u308d if ($v == 1)<\/p>\n
while\u306e\u6761\u4ef6\u3092\u66f8\u304f\u3068\u3053\u308d while (count($a) !== 0)<\/p>\n
\u95a2\u6570\u547c\u3073\u51fa\u3057\u306e\u5f15\u6570 foo($a + 1)<\/p>\n
\u4ee3\u5165\u306e\u53f3\u8fba $v = 30 * MINUTES<\/p>\n
return \u306b\u66f8\u3051\u308b\u3082\u306e return foo() + bar()<\/p>\n
echo, print, \u306b\u6e21\u305b\u308b\u3082\u306e<\/p>\n
\n\u7ecf\u5e38\u4f7f\u7528\u7684\u8868\u8fbe\uff08\u7b2c1\u4e2a\uff09<\/p>\n\n- \n
\u95a2\u6570\u30fb\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057 printf() $obj->foo() $func()<\/ul>\n<\/li>\n<\/ul>\n\u6f14\u7b97\u5b50\u5f0f<\/p>\n
\u8ad6\u7406\u5426\u5b9a !$foo<\/p>\n
\u6bd4\u8f03\u5f0f $a == $b $user instanceof User<\/p>\n
\u7b97\u8853\u6f14\u7b97 1 + 1<\/p>\n
\u77ed\u7d61\u8ad6\u7406\u6f14\u7b97\u5b50 $n <= 0 && $n < 24 foo() or bar()<\/p>\n
\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u30fb\u30c7\u30af\u30ea\u30e1\u30f3\u30c8 $i++ –$i<\/p>\n
\n\u5e38\u7528\u7684\u8868\u8fbe\u65b9\u5f0f\uff08\u7b2c\u4e8c\u90e8\u5206\uff09<\/p>\n\n- \n
\u7121\u540d\u95a2\u6570\u5f0f function ($a) { return $a * 2; } fn($a) => $a * 2<\/ul>\n<\/li>\n<\/ul>\n\u7121\u540d\u30af\u30e9\u30b9 new class(‘foo’){ function __construct($name) { $this->name = $name; } }<\/p>\n
\u914d\u5217\u30ea\u30c6\u30e9\u30eb [$a, $b, ‘foo’ => foo()]<\/p>\n
\u4e09\u9805\u6f14\u7b97\u5b50 $foo == ‘bar’ ? ‘A’ : ‘B’<\/p>\n
\n\u5e38\u7528\u7684\u8868\u8fbe\u65b9\u5f0f\uff08\u7b2c\u4e09\u4e2a\uff09() \u5f0f\u306e\u30b0\u30eb\u30fc\u30d4\u30f3\u30b0<\/p>\n
isset, empty<\/p>\n
eval<\/p>\n
assert<\/p>\n
PHP5\u3067\u306f\u95a2\u6570\u3060\u3063\u305f\u304cPHP7\u3067\u8a00\u8a9e\u69cb\u9020\u306b\u306a\u3063\u305f<\/p>\n
exit die<\/p>\n
\u5909\u6570\u30fb\u30b9\u30ab\u30e9\u30fc\u30ea\u30c6\u30e9\u30eb\u30fb\u5b9a\u6570\u30fb\u30de\u30b8\u30ab\u30eb\u5b9a\u6570<\/p>\n
$a 1 “a” true HOGE<\/p>\n
\n\u6837\u5f0f\u7684\u7279\u70b9<\/p>\n\u5f0f\u306e\u4e2d\u306b\u518d\u5e30\u7684\u306b\u5f0f\u3092\u66f8\u3051\u308b<\/ul>\n
\n\u8fd9\u4e2a\u4e5f\u662f\u6d3b\u52a8\u7684\u4e00\u79cd\u65b9\u5f0f\u3002<\/p>\n\n- \n
$a = include __DIR__ . ‘\/config.php’<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
$b = eval(‘return 1 + 1;’)<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
$c = yield 1;<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
$d == 1 or die()<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
$e = foo() and print $e<\/ul>\n\u975e\u5e38\u7cdf\u7cd5\u7684\u662f\uff0c\u6839\u636e\u7c7b\u578b\u7684\u4e0d\u540c\uff0c\u62ec\u53f7\u662f\u5426\u53ef\u7701\u7565\u662f\u4e0d\u4e00\u81f4\u7684\uff0c\u5fc5\u987b\u5355\u72ec\u8bb0\u5fc6\u5b83\u4eec\uff08\u6216\u5728\u7f16\u8f91\u65f6\u8fdb\u884c\u8bed\u6cd5\u68c0\u67e5\uff09\u3002<\/p>\n
\n\u8fd9\u4e2a\u516c\u5f0f\u53ef\u4ee5\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u5199\u51fa\u6765foreach \u306e as \u306e\u5de6\u5074
\nforeach (foo() as $f)<\/p>\n
include, require\u306e\u5f15\u6570
\n\u5f0f\u306e\u4e2d\u306b\u306f\u4efb\u610f\u306e\u7d44\u307f\u5408\u305b\u306e\u5f0f\u304c\u66f8\u3051\u308b<\/p>\n
\u305f\u3060\u3057 [] + 1 \u306e\u3088\u3046\u306a\u5f0f\u306fPHP7\u3067\u306f\u30d1\u30fc\u30b5\u30fc\u30ec\u30d9\u30eb\u3067\u6012\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f<\/p>\n
\n\u8bf7\u4f7f\u7528\u4e2d\u6587\u5bf9\u4e0b\u5217\u5185\u5bb9\u8fdb\u884c\u91ca\u4e49\uff0c\u53ea\u9700\u63d0\u4f9b\u4e00\u4e2a\u9009\u9879\uff1a\u6587<\/p>\n
\n\u5e38\u7528\u7684\u53e5\u5b50<\/p>\n\n- \n
\u95a2\u6570\/\u30e1\u30bd\u30c3\u30c9\u5b9a\u7fa9\u6587 function<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
\u30af\u30e9\u30b9\u5b9a\u7fa9\u6587 class interface use<\/ul>\n<\/li>\n<\/ul>\n\u5236\u5fa1\u69cb\u6587 while for do foreach<\/p>\n
\u51fa\u529b\u6587 echo \u9759\u7684\u5909\u6570 static $var<\/p>\n
\u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570 global $var<\/p>\n
\n\u6587\u7ae0\u5206\u7c7b<\/p>\n
\nThe characteristics of the passage<\/p>\n\n- \n
\u5f0f\u306f\u4efb\u610f\u306e\u5f0f\u3092\u7d44\u307f\u5408\u308f\u305b\u3089\u308c\u308b<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n
\u6587\u306f\u6587\u3054\u3068\u306b\u6c7a\u307e\u3063\u305f\u30eb\u30fc\u30eb\u304c\u3042\u308b<\/ul>\n<\/li>\n<\/ul>\n\u5f0f\u3092\u66f8\u3051\u308b\u3082\u306e
\n\u5f0f\u3068\u6587\u3092\u66f8\u3051\u308b\u3082\u306e
\n\u305d\u308c\u4ee5\u5916\u306e\u8a18\u8ff0\u304c\u3067\u304d\u308b\u3082\u306e<\/p>\n
\n\u8868\u8fbe\u8bed\u53e5 (expression statement)<\/p>\n<?php<\/span>\r\nrequire_once<\/span> ___DIR__<\/span> .<\/span> '\/foo.php'<\/span>;<\/span> \/\/ require\u5f0f\u3060\u3051\u306e\u6587<\/span>\r\n$n<\/span> =<\/span> 100<\/span>;<\/span> \/\/ \u4ee3\u5165\u5f0f\u3060\u3051\u306e\u6587<\/span>\r\nprintf<\/span>(<\/span>\"%f\"<\/span>,<\/span> 1.1<\/span>);<\/span> \/\/ \u95a2\u6570\u547c\u3073\u51fa\u3057\u3060\u3051\u306e\u6587<\/span>\r\nassert<\/span>(<\/span>$n<\/span> <<\/span> 100<\/span>);<\/span> \/\/ assert\u5f0f\u3060\u3051\u306e\u6587<\/span>\r\nprint<\/span> 1<\/span>;<\/span> \/\/ print\u5f0f\u3060\u3051\u306e\u6587<\/span>\r\n<\/code><\/pre>\n
\n\u8868\u8fbe\u9648\u8ff0<\/p>\n\n- \n
\u5168\u3066\u306e\u5f0f\u306f ;\u307e\u305f\u306f?> \u3067\u533a\u5207\u308b\u3053\u3068\u3067\u6587\u306b\u306a\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n <\/p>\n
\n- \n