{"id":30303,"date":"2023-02-09T08:10:57","date_gmt":"2023-08-29T02:59:22","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/php%e7%9a%84%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86\/"},"modified":"2025-08-12T18:32:34","modified_gmt":"2025-08-12T10:32:34","slug":"php%e7%9a%84%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/php%e7%9a%84%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86\/","title":{"rendered":"PHP\u7684\u57fa\u7840\u77e5\u8bc6"},"content":{"rendered":"<h1>\u9996\u5148\u6700\u8fd1\u6211\u4e00\u76f4\u5728\u5b66\u4e60PHP\u3002\u6211\u5df2\u7ecf\u5728Progate\u4e0a\u5b66\u5b8c\u4e86PHP\u7684\u57fa\u7840\u77e5\u8bc6\uff0c\u4f46\u662f\u611f\u89c9\u5e76\u6ca1\u6709\u5b8c\u5168\u7406\u89e3\u3002\u6240\u4ee5\u6211\u6253\u7b97\u5199\u4e00\u7bc7\u6587\u7ae0\uff0c\u628a\u6211\u89c9\u5f97\u96be\u4ee5\u8bb0\u4f4f\u7684\u5730\u65b9\u603b\u7ed3\u4e00\u4e0b\u3002\u5e0c\u671b\u80fd\u5e2e\u52a9\u90a3\u4e9b\u6253\u7b97\u4ece\u5934\u5b66\u4e60PHP\u7684\u4eba\u4eec\u3002<\/p>\n<h1>\u6570\u7ec4\u6216\u6392\u5217<\/p>\n<pre class=\"post-pre\"><code>\u30ce\u30fc\u30de\u30eb\u306e\u914d\u5217\r\n<span class=\"cp\">&lt;?php<\/span> \r\n    <span class=\"c1\">\/\/$scores\u3068\u3044\u3046\u914d\u5217\u3092\u5b9a\u7fa9<\/span>\r\n    <span class=\"nv\">$scores<\/span> <span class=\"o\">=<\/span> <span class=\"k\">array<\/span><span class=\"p\">(<\/span><span class=\"s1\">'70'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'90'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'80'<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"c1\">\/\/$colors\u306e\u4e00\u756a\u76ee\u306e\u8981\u7d20\u3092\u51fa\u529b<\/span>\r\n    <span class=\"k\">echo<\/span> <span class=\"nv\">$scores<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">];<\/span> <span class=\"c1\">\/\/\u7d50\u679c\u3001\uff17\uff10\u3092\u51fa\u529b<\/span>\r\n    <span class=\"c1\">\/\/$scores\u306b\u8981\u7d20\u3092\u8ffd\u52a0<\/span>\r\n    <span class=\"nv\">$scores<\/span><span class=\"p\">[]<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'100'<\/span><span class=\"p\">;<\/span> \r\n    <span class=\"c1\">\/\/$scores\u306b\u8ffd\u52a0\u3057\u305f\u8981\u7d20\u3092\u51fa\u529b\u3000<\/span>\r\n    <span class=\"k\">echo<\/span> <span class=\"nv\">$scores<\/span><span class=\"p\">[<\/span><span class=\"mi\">3<\/span><span class=\"p\">];<\/span> <span class=\"c1\">\/\/\u7d50\u679c\u3001100\u3092\u51fa\u529b<\/span>\r\n<span class=\"cp\">?&gt;<\/span>\r\n\u9023\u60f3\u914d\u5217\uff08\u8981\u7d20\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4ee5\u5916\u306b\u30ad\u30fc\u3092\u6301\u305f\u305b\u308b\uff09\r\n<span class=\"cp\">&lt;?php<\/span> \r\n    <span class=\"c1\">\/\/$scores\u3068\u3044\u3046\u9023\u60f3\u914d\u5217\u3092\u5b9a\u7fa9<\/span>\r\n    <span class=\"nv\">$scores<\/span> <span class=\"o\">=<\/span> <span class=\"k\">array<\/span><span class=\"p\">(<\/span><span class=\"s1\">'\u6570\u5b66'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'70'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'\u82f1\u8a9e'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'90'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'\u56fd\u8a9e'<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'80'<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"c1\">\/\/\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3067\u306f\u306a\u304f\u30ad\u30fc\u3067\u8981\u7d20\u3092\u51fa\u529b\u3000<\/span>\r\n    <span class=\"k\">echo<\/span> <span class=\"nv\">$scores<\/span><span class=\"p\">[<\/span><span class=\"s1\">'\u82f1\u8a9e'<\/span><span class=\"p\">];<\/span> <span class=\"c1\">\/\/\u7d50\u679c\u30019\uff10\u3092\u51fa\u529b<\/span>\r\n    <span class=\"c1\">\/\/\u56fd\u8a9e(80)\u306b5\u3092\u8db3\u3057\u5408\u308f\u305b\u308b<\/span>\r\n    <span class=\"nv\">$scores<\/span><span class=\"p\">[<\/span><span class=\"s1\">'\u56fd\u8a9e'<\/span><span class=\"p\">]<\/span> <span class=\"o\">+=<\/span> <span class=\"mi\">5<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">echo<\/span> <span class=\"nv\">$scores<\/span><span class=\"p\">[<\/span><span class=\"s1\">'\u56fd\u8a9e'<\/span><span class=\"p\">];<\/span><span class=\"c1\">\/\/\u7d50\u679c\u300185\u3092\u51fa\u529b<\/span>\r\n<span class=\"cp\">?&gt;<\/span>\r\n<\/code><\/pre>\n<h1>\u5faa\u73af\u5904\u7406<\/p>\n<h3>\u6839\u636e\u6587\u6863\u8fdb\u884c\u5faa\u73af<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span>\r\n    <span class=\"k\">for<\/span><span class=\"p\">(<\/span><span class=\"n\">\u521d\u671f\u5024\u3092\u5b9a\u7fa9<\/span><span class=\"p\">;<\/span> <span class=\"n\">\u30eb\u30fc\u30d7\u306e\u6761\u4ef6<\/span><span class=\"p\">;<\/span> <span class=\"n\">\u5909\u6570\u306e\u66f4\u65b0<\/span><span class=\"p\">){<\/span>\r\n      <span class=\"n\">\u7e70\u308a\u8fd4\u3059\u51e6\u7406<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"cp\">?&gt;<\/span>\r\n\u4f8b\u6587\r\n<span class=\"cp\">&lt;?php<\/span>\r\n    <span class=\"c1\">\/\/1~100\u307e\u3067\u306e\u6570\u5b57\u3092\u51fa\u529b\u3055\u305b\u308b\u3002<\/span>\r\n    <span class=\"k\">for<\/span><span class=\"p\">(<\/span><span class=\"nv\">$i<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">1<\/span><span class=\"p\">;<\/span> <span class=\"nv\">$i<\/span> <span class=\"o\">&lt;=<\/span> <span class=\"mi\">100<\/span><span class=\"p\">;<\/span> <span class=\"nv\">$i<\/span> <span class=\"o\">++<\/span><span class=\"p\">){<\/span>\r\n      <span class=\"k\">echo<\/span> <span class=\"nv\">$i<\/span><span class=\"mf\">.<\/span><span class=\"s1\">'&lt;br&gt;'<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/'&lt;br&gt;'\u306f\u3001\u6539\u884c\u3092\u610f\u5473\u3059\u308b<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"cp\">?&gt;<\/span>\r\n<\/code><\/pre>\n<h3>\u5f53\u67d0\u4e2a\u6761\u4ef6\u4e3a\u771f\u65f6\uff0c\u91cd\u590d\u6267\u884c\u67d0\u4e2a\u4ee3\u7801\u5757\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span>\r\n    <span class=\"n\">\u521d\u671f\u5024\u3092\u5b9a\u7fa9<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">while<\/span><span class=\"p\">(<\/span><span class=\"n\">\u30eb\u30fc\u30d7\u306e\u6761\u4ef6<\/span><span class=\"p\">){<\/span>\r\n     <span class=\"n\">\u7e70\u308a\u8fd4\u3059\u51e6\u7406<\/span><span class=\"p\">;<\/span>\r\n     <span class=\"n\">\u5909\u6570\u306e\u66f4\u65b0<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"cp\">?&gt;<\/span>\r\n\u4f8b\u6587\r\n<span class=\"cp\">&lt;?php<\/span>\r\n    <span class=\"c1\">\/\/2~100\u307e\u3067\u306e\u6570\u5b57\u30672\u306e\u500d\u6570\u306e\u307f\u3092\u51fa\u529b\u3055\u305b\u308b\u3002<\/span>\r\n    <span class=\"nv\">$i<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">2<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">while<\/span><span class=\"p\">(<\/span><span class=\"nv\">$i<\/span> <span class=\"o\">&lt;=<\/span><span class=\"mi\">100<\/span><span class=\"p\">){<\/span>\r\n      <span class=\"k\">echo<\/span> <span class=\"nv\">$i<\/span><span class=\"mf\">.<\/span><span class=\"s1\">'&lt;br&gt;'<\/span><span class=\"p\">;<\/span>\r\n      <span class=\"nv\">$i<\/span> <span class=\"o\">+=<\/span><span class=\"mi\">2<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"cp\">?&gt;<\/span>\r\n<\/code><\/pre>\n<h3>\u5f3a\u5236\u7ec8\u6b62\u5faa\u73af\u7684break\u8bed\u53e5<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span>\r\n    <span class=\"c1\">\/\/1~5\u307e\u3067\u306e\u6570\u5b57\u3092\u51fa\u529b\u3055\u305b\u308b\u3002<\/span>\r\n    <span class=\"k\">for<\/span><span class=\"p\">(<\/span><span class=\"nv\">$i<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">1<\/span><span class=\"p\">;<\/span> <span class=\"nv\">$i<\/span> <span class=\"o\">&lt;=<\/span> <span class=\"mi\">10<\/span><span class=\"p\">;<\/span> <span class=\"nv\">$i<\/span> <span class=\"o\">++<\/span><span class=\"p\">){<\/span>\r\n      <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nv\">$i<\/span> <span class=\"o\">&gt;<\/span> <span class=\"mi\">5<\/span><span class=\"p\">){<\/span>\r\n        <span class=\"k\">break<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/$i\u306e\u5024\u304c6\u306b\u306a\u3063\u305f\u6642\u70b9\u3067\u30eb\u30fc\u30d7\u3092\u5f37\u5236\u7684\u306b\u4e2d\u65ad\u3059\u308b\u547d\u4ee4<\/span>\r\n      <span class=\"p\">}<\/span>\r\n      <span class=\"k\">echo<\/span> <span class=\"nv\">$i<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"cp\">?&gt;<\/span>\r\n<\/code><\/pre>\n<h3>\u53ea\u8981\u6ee1\u8db3\u67d0\u4e2a\u6761\u4ef6\uff0c\u5c31\u8df3\u8fc7\uff0c\u4f46\u5faa\u73af\u672c\u8eab\u5c06\u7ee7\u7eed\u8fdb\u884c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span>\r\n    <span class=\"c1\">\/\/3\u306e\u500d\u6570\u4ee5\u5916\u306e\u6570\u5b57\uff08\uff11\uff10\uff10\u307e\u3067\uff09\u3092\u51fa\u529b\u3055\u305b\u308b\u3002<\/span>\r\n    <span class=\"k\">for<\/span><span class=\"p\">(<\/span><span class=\"nv\">$i<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">1<\/span><span class=\"p\">;<\/span> <span class=\"nv\">$i<\/span> <span class=\"o\">&lt;=<\/span> <span class=\"mi\">100<\/span><span class=\"p\">;<\/span> <span class=\"nv\">$i<\/span> <span class=\"o\">++<\/span><span class=\"p\">){<\/span>\r\n      <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"nv\">$i<\/span> <span class=\"o\">%<\/span> <span class=\"mi\">3<\/span> <span class=\"o\">==<\/span> <span class=\"mi\">0<\/span><span class=\"p\">){<\/span>\r\n        <span class=\"k\">continue<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/$i\u306e\u5024\u304c3\u306e\u500d\u6570\u306b\u306a\u3063\u305f\u6642\u3060\u3051\u30b9\u30ad\u30c3\u30d7\u3000\u30eb\u30fc\u30d7\u305d\u306e\u3082\u306e\u306f\u3001\u7d99\u7d9a<\/span>\r\n      <span class=\"p\">}<\/span>\r\n      <span class=\"k\">echo<\/span> <span class=\"nv\">$i<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"cp\">?&gt;<\/span>\r\n<\/code><\/pre>\n<h3>for \u5faa\u73af<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?php<\/span>\r\n    <span class=\"n\">\u914d\u5217\u306e\u5b9a\u7fa9<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">foreach<\/span><span class=\"p\">(<\/span><span class=\"n\">\u914d\u5217\u3082\u3057\u304f\u306f\u9023\u60f3\u914d\u5217<\/span> <span class=\"k\">as<\/span> <span class=\"n\">\u5024\u5909\u6570<\/span><span class=\"p\">){<\/span>\r\n      <span class=\"n\">\u7e70\u308a\u8fd4\u3059\u51e6\u7406<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"cp\">?&gt;<\/span>\r\n\u4f8b\u6587\r\n<span class=\"cp\">&lt;?php<\/span>\r\n    <span class=\"c1\">\/\/\u914d\u5217$data\u3092\u5b9a\u7fa9<\/span>\r\n    <span class=\"nv\">$data<\/span> <span class=\"o\">=<\/span> <span class=\"k\">array<\/span><span class=\"p\">(<\/span><span class=\"s1\">'\u6771\u4eac'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'\u5927\u962a'<\/span><span class=\"p\">,<\/span><span class=\"s1\">'\u540d\u53e4\u5c4b'<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"c1\">\/\/\u5148\u982d\u306e\u30c7\u30fc\u30bf\u304b\u3089\u9806\u306b\u7e70\u308a\u8fd4\u3057\u51fa\u529b\u3055\u305b\u308b\u3002<\/span>\r\n    <span class=\"k\">foreach<\/span><span class=\"p\">(<\/span><span class=\"nv\">$data<\/span> <span class=\"k\">as<\/span> <span class=\"nv\">$value<\/span><span class=\"p\">){<\/span>\r\n      <span class=\"k\">echo<\/span> <span class=\"nv\">$value<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/\u7d50\u679c\u3001\u6771\u4eac\u3001\u5927\u962a\u3001\u540d\u53e4\u5c4b\u3092\u51fa\u529b<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"cp\">?&gt;<\/span>\r\n<\/code><\/pre>\n<h1>\u51fd\u6570 sh\u00f9)<\/p>\n<h3>\u4e00\u4e2a\u5178\u578b\u7684\u7684\u51fd\u6570<\/p>\n<pre class=\"post-pre\"><code>strlen-\u8981\u7d20\u306e\u6587\u5b57\u6570\u3092\u6570\u3048\u308b\r\n<span class=\"cp\">&lt;?php<\/span>\r\n    <span class=\"c1\">\/\/\u5909\u6570$str\u3092\u5b9a\u7fa9<\/span>\r\n    <span class=\"nv\">$str<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'hello'<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"c1\">\/\/\u5909\u6570$str\u306e\u6587\u5b57\u6570\u3092\u51fa\u529b<\/span>\r\n    <span class=\"k\">echo<\/span> <span class=\"nb\">strlen<\/span><span class=\"p\">(<\/span><span class=\"nv\">$str<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/\u7d50\u679c\u30015\u3092\u51fa\u529b<\/span>\r\n<span class=\"cp\">?&gt;<\/span>\r\ncount-\u914d\u5217\u306e\u8981\u7d20\u306e\u6570\u3092\u6570\u3048\u308b\r\n<span class=\"cp\">&lt;?php<\/span>\r\n    <span class=\"c1\">\/\/\u914d\u5217$array\u3092\u5b9a\u7fa9<\/span>\r\n    <span class=\"nv\">$array<\/span> <span class=\"o\">=<\/span> <span class=\"k\">array<\/span><span class=\"p\">(<\/span><span class=\"s1\">'HTML'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'CSS'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'PHP'<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"c1\">\/\/\u5909\u6570$array\u306e\u8981\u7d20\u6570\u3092\u51fa\u529b<\/span>\r\n    <span class=\"k\">echo<\/span> <span class=\"nb\">count<\/span><span class=\"p\">(<\/span><span class=\"nv\">$array<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/\u7d50\u679c\u30013\u3092\u51fa\u529b<\/span>\r\n<span class=\"cp\">?&gt;<\/span>\r\nrand-\u30e9\u30f3\u30c0\u30e0\u306a\u6574\u6570\u3092\u51fa\u529b\r\n<span class=\"cp\">&lt;?php<\/span>\r\n    <span class=\"c1\">\/\/10~15\u306e\u30e9\u30f3\u30c0\u30e0\u306a\u6574\u6570\u3092\u51fa\u529b<\/span>\r\n    <span class=\"k\">echo<\/span> <span class=\"nb\">rand<\/span><span class=\"p\">(<\/span><span class=\"mi\">10<\/span><span class=\"p\">,<\/span><span class=\"mi\">15<\/span><span class=\"p\">);<\/span> <span class=\"c1\">\/\/\u7d50\u679c\u300112\u3092\u51fa\u529b<\/span>\r\n<span class=\"cp\">?&gt;<\/span>\r\n<\/code><\/pre>\n<h3>\u672c\u4eba\u7f16\u5199\u7684\u51fd\u6570<\/p>\n<pre class=\"post-pre\"><code>\u30b7\u30f3\u30d7\u30eb\u306a\u95a2\u6570\r\n<span class=\"cp\">&lt;?php<\/span>\r\n    <span class=\"k\">function<\/span> <span class=\"nv\">$\u95a2\u6570\u540d<\/span><span class=\"p\">(){<\/span>\r\n     <span class=\"n\">\u51e6\u7406<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"cp\">?&gt;<\/span>\r\n\u4f8b\u6587\r\n<span class=\"cp\">&lt;?php<\/span>\r\n    <span class=\"c1\">\/\/\u95a2\u6570hello()\u3092\u5b9a\u7fa9<\/span>\r\n    <span class=\"k\">function<\/span> <span class=\"n\">hello<\/span><span class=\"p\">(){<\/span>\r\n     <span class=\"k\">echo<\/span><span class=\"s1\">' Hello, world'<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"c1\">\/\/\u95a2\u6570hello()\u3092\u547c\u3073\u51fa\u3059<\/span>\r\n    <span class=\"nf\">hello<\/span><span class=\"p\">();<\/span> <span class=\"c1\">\/\/\u7d50\u679c\u3001Hello, world\u3092\u51fa\u529b<\/span>\r\n<span class=\"cp\">?&gt;<\/span>\r\n\u623b\u308a\u5024\u3068\u5f15\u6570\u3092\u7528\u3044\u3066\r\n<span class=\"cp\">&lt;?php<\/span>\r\n    <span class=\"k\">function<\/span> <span class=\"n\">\u95a2\u6570\u540d<\/span><span class=\"p\">(<\/span><span class=\"kt\">\u5f15\u6570<\/span><span class=\"p\">){<\/span>\r\n     <span class=\"k\">return<\/span> <span class=\"n\">\u51e6\u7406<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"cp\">?&gt;<\/span>\r\n\u4f8b\u6587\r\n<span class=\"cp\">&lt;?php<\/span>\r\n    <span class=\"c1\">\/\/\u95a2\u6570getCircleArea()\u3092\u5b9a\u7fa9<\/span>\r\n    <span class=\"k\">function<\/span> <span class=\"n\">getCircleArea<\/span><span class=\"p\">(<\/span><span class=\"nv\">$radius<\/span><span class=\"p\">){<\/span>\r\n      <span class=\"k\">return<\/span> <span class=\"nv\">$radius<\/span> <span class=\"o\">*<\/span> <span class=\"nv\">$radius<\/span> <span class=\"o\">*<\/span> <span class=\"mi\">3<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/\u4eca\u56de\u306f\u30015 * 5 * 3\u306b\u306a\u3063\u3066\u307e\u3059\u3002<\/span>\r\n    <span class=\"p\">}<\/span>   \r\n    <span class=\"c1\">\/\/\u95a2\u6570getCircleArea()\u3092\u547c\u3073\u51fa\u3057\u3001$circleArea\u306b\u4ee3\u5165<\/span>\r\n    <span class=\"nv\">$circleArea<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">getCircleArea<\/span><span class=\"p\">(<\/span><span class=\"mi\">5<\/span><span class=\"p\">);<\/span> \r\n    <span class=\"c1\">\/\/$circleArea\u3092\u51fa\u529b<\/span>\r\n    <span class=\"k\">echo<\/span> <span class=\"nv\">$circleArea<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/\u7d50\u679c\u300175\u3092\u51fa\u529b<\/span>\r\n<span class=\"cp\">?&gt;<\/span>\r\n<\/code><\/pre>\n<h1>\u6700\u7ec8\uff0c\u8fd9\u6b21\u6211\u53ea\u662f\u628a\u53e5\u5b50\u6392\u5217\u8d77\u6765\u3002\u4e00\u8fb9\u603b\u7ed3\u5199\u4f5c\u4e00\u65b9\u9762\u6709\u52a9\u4e8e\u6574\u7406\u601d\u8def\uff0c\u611f\u89c9\u5f88\u597d\u3002<br \/>\n\u56e0\u4e3a\u7406\u89e3\u8f83\u6162\uff0c\u6240\u4ee5\u5e0c\u671b\u80fd\u591f\u5c3d\u5feb\u7406\u89e3\u3002<br \/>\n\u6b64\u5916\uff0c\u6211\u5e0c\u671b\u80fd\u591f\u5c3d\u5feb\u638c\u63e1Laravel\u5e76\u521b\u5efa\u4f5c\u54c1\u96c6\u3002<br \/>\n\u5982\u679c\u5728\u9605\u8bfb\u8fd9\u7bc7\u6587\u7ae0\u65f6\u53d1\u73b0\u6709\u95ee\u9898\uff0c\u8bf7\u968f\u65f6\u6307\u51fa\uff0c\u8c22\u8c22\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148\u6700\u8fd1\u6211\u4e00\u76f4\u5728\u5b66\u4e60PHP\u3002\u6211\u5df2\u7ecf\u5728Progate\u4e0a\u5b66\u5b8c\u4e86PHP\u7684\u57fa\u7840\u77e5\u8bc6\uff0c\u4f46\u662f\u611f\u89c9\u5e76\u6ca1\u6709\u5b8c\u5168\u7406\u89e3\u3002\u6240\u4ee5\u6211\u6253\u7b97 [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30303","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with 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