{"id":30152,"date":"2024-01-19T20:06:30","date_gmt":"2023-05-01T07:51:24","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e5%85%a5%e9%97%a8%e3%80%91%e5%85%b3%e4%ba%8ephp%e5%ad%97%e7%ac%a6%e4%b8%b2%e7%9a%84%e5%86%85%e5%ae%b9\/"},"modified":"2025-08-12T17:49:56","modified_gmt":"2025-08-12T09:49:56","slug":"%e3%80%90php%e5%85%a5%e9%97%a8%e3%80%91%e5%85%b3%e4%ba%8ephp%e5%ad%97%e7%ac%a6%e4%b8%b2%e7%9a%84%e5%86%85%e5%ae%b9","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e5%85%a5%e9%97%a8%e3%80%91%e5%85%b3%e4%ba%8ephp%e5%ad%97%e7%ac%a6%e4%b8%b2%e7%9a%84%e5%86%85%e5%ae%b9\/","title":{"rendered":"\u3010PHP\u5165\u95e8\u3011\u5173\u4e8ePHP\u5b57\u7b26\u4e32\u7684\u5185\u5bb9"},"content":{"rendered":"

\u9996\u5148\u8fd9\u7bc7\u6587\u7ae0\u662f\u4f5c\u4e3aPHP5\u9ad8\u7ea7\u8003\u8bd5\/\u51c6\u9ad8\u7ea7\u8003\u8bd5\u603b\u7ed3\u7684\u4e00\u90e8\u5206\uff0c\u9010\u6b65\u89e3\u91ca\u4e86\u4e0ePHP\u5b57\u7b26\u4e32\u6709\u5173\u7684\u5185\u5bb9\u3002\u867d\u7136\u8003\u8bd5\u5bf9\u8c61\u662fPHP5\uff0c\u4f46\u6211\u4eec\u5c3d\u529b\u63d0\u4f9b\u901a\u7528\u7684\u5185\u5bb9\uff0c\u4ee5\u4fbf\u9002\u7528\u4e8ePHP7\u5de6\u53f3\u7684\u7248\u672c\u3002\u5982\u6709\u4efb\u4f55\u9519\u8bef\uff0c\u8bf7\u6307\u6b63\u3002\u53e6\u5916\uff0c\u9884\u8ba1\u57282021\u5e74\u79cb\u5b63\u5c06\u5f00\u59cb\u8fdb\u884cPHP8\u6280\u672f\u8ba4\u8bc1\u9ad8\u7ea7\u8003\u8bd5\uff0c\u8bf7\u901a\u8fc7\u5b98\u65b9\u7f51\u9875\u83b7\u53d6\u6700\u65b0\u4fe1\u606f\u3002<\/p>\n

\u6587\u5b57\u5217\u662f\u4ec0\u4e48\uff1f\u6587\u5b57\u5217\u662f\u7531\u5b57\u7b26\u6784\u6210\u7684\u503c\uff0c\u4f46\u5728PHP\u4e2d\u8868\u793a\u5b57\u7b26\u4e32\u65f6\uff0c\u9700\u8981\u4f7f\u7528 ‘\u5355\u5f15\u53f7’ \u6216\u8005 “\u53cc\u5f15\u53f7” \u5c06\u5b57\u7b26\u62ec\u8d77\u6765\u3002
\n\u4f8b\u5982\uff0c\u53ea\u5199\u4e86 1 \u7684\u503c\u8868\u793a\u6570\u5b57 1\uff0c\u800c\u5199\u4e86 ‘1’ \u6216 “1” \u7684\u503c\u8868\u793a\u5b57\u7b26\u4e32 1\u3002
\n\uff08\u8fd8\u53ef\u4ee5\u4f7f\u7528 Heredoc \u548c Nowdoc \u529f\u80fd\u6765\u8868\u793a\u5b57\u7b26\u4e32\uff0c\u4f46\u5c06\u5728\u540e\u9762\u4ecb\u7ecd\u3002\uff09<\/p>\n
echo<\/span> 1<\/span>;<\/span> \/\/ 1<\/span>\r\necho<\/span> '1'<\/span>;<\/span> \/\/ 1<\/span>\r\n\/\/ \u3069\u3061\u3089\u3082\u51fa\u529b\u3055\u308c\u308b\u306e\u306f 1 \u3060\u304c\u3001\u5185\u90e8\u7684\u306b\u306f\u6570\u5024\u306e 1 \u304b\u3001\u6587\u5b57\u306e 1 \u304b\u304c\u533a\u5225\u3055\u308c\u3066\u3044\u308b<\/span>\r\n<\/code><\/pre>\n
\u5982\u679c\u60f3\u5728\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u5355\u5f15\u53f7\u6216\u53cc\u5f15\u53f7\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u8f6c\u4e49\u5e8f\u5217\u6765\u5b9e\u73b0\u3002\u8f6c\u4e49\u5e8f\u5217\u662f\u6307\u5728\u7279\u6b8a\u7b26\u53f7\u524d\u52a0\u4e0a \\ \u53cd\u659c\u6760\uff0c\u4ee5\u4f7f\u8be5\u5b57\u7b26\u7684\u7a0b\u5e8f\u610f\u4e49\u88ab\u65e0\u6548\u5316\u3002<\/p>\n
\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u53cd\u659c\u6760\u8fd9\u4e2a\u5b57\u7b26\u672c\u8eab\u4e5f\u6709\u7279\u6b8a\u7684\u610f\u4e49\uff0c\u7528\u4e8e\u8f6c\u4e49\u5176\u4ed6\u5b57\u7b26\uff0c\u6240\u4ee5\u5982\u679c\u8981\u5c06\u53cd\u659c\u6760\u7528\u4f5c\u666e\u901a\u5b57\u7b26\u4f7f\u7528\uff0c\u9700\u8981\u7528\u53e6\u4e00\u4e2a\u53cd\u659c\u6760\u6765\u8fdb\u884c\u8f6c\u4e49\u3002\uff08\u6839\u636e\u4f7f\u7528\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u53cd\u659c\u6760\u53ef\u80fd\u4f1a\u7528 \u00a5 \u7b26\u53f7\u8868\u793a\u3002\uff09<\/p>\n
echo<\/span> '\\\\'<\/span>;<\/span> \/\/ \\<\/span>\r\n<\/code><\/pre>\n
\u5728\u5355\u5f15\u53f7\u548c\u53cc\u5f15\u53f7\u4e2d\uff0c\u53ef\u4f7f\u7528\u8f6c\u4e49\u5e8f\u5217\u7684\u5b57\u7b26\u662f\u4e0d\u540c\u7684\u3002<\/p>\n
\u5355\u5f15\u53f7\u5185\u53ef\u884c\u7684\u8f6c\u4e49\u548c\u4f7f\u7528\u793a\u4f8b<\/p>\n
    \n
  • \n
      \u30d0\u30c3\u30af\u30b9\u30e9\u30c3\u30b7\u30e5 \\ \u2192 \\\\<\/ul>\n<\/li>\n<\/ul>\n
      \u30b7\u30f3\u30b0\u30eb\u30af\u30a9\u30fc\u30c8 ‘ \u2192 \\’<\/p>\n
      \u82f1\u6587\u539f\u53e5\uff1aPossible escape and usage examples inside double quotes.\u4e2d\u6587\u7ffb\u8bd1\uff1a\u53cc\u5f15\u53f7\u5185\u7684\u53ef\u80fd\u8f6c\u4e49\u548c\u4f7f\u7528\u793a\u4f8b\u3002<\/p>\n
        \n
      • \n
          \u30d0\u30c3\u30af\u30b9\u30e9\u30c3\u30b7\u30e5 \\ \u2192 \\\\<\/ul>\n<\/li>\n<\/ul>\n
          \u30c0\u30d6\u30eb\u30af\u30a9\u30fc\u30c8 ” \u2192 \\”<\/p>\n
          \u30c9\u30eb\u8a18\u53f7 $ \u2192 \\$<\/p>\n
          \u6539\u884c\u8a18\u53f7 n \u2192 \\n<\/p>\n
          \u30bf\u30d6\u8a18\u53f7 t \u2192 \\t<\/p>\n
          \u8bf7\u53c2\u8003 PHP \u624b\u518c\u4ee5\u83b7\u5f97\u5176\u4ed6\u7684\u8f6c\u4e49\u5e8f\u5217\u3002PHP \u624b\u518c – \u5b57\u7b26\u4e32<\/p>\n
          \u5173\u4e8e\u5b57\u7b26\u4e32\u5185\u7684\u53d8\u91cf\u5c55\u5f00\u5728\u5355\u5f15\u53f7\u6216Nowdoc\u4e2d\uff0c\u4e0d\u4f1a\u8fdb\u884c\u53d8\u91cf\u5c55\u5f00\uff08\u89e3\u6790\u53d8\u91cf\uff0c\u5d4c\u5165\u7684\u53d8\u91cf\u5185\u5bb9\u4e0d\u4f1a\u5c55\u5f00\uff09\uff0c\u4f46\u5728\u53cc\u5f15\u53f7\u6216Heredoc\u4e2d\u4f1a\u8fdb\u884c\u53d8\u91cf\u5c55\u5f00\u3002<\/p>\n
          $str<\/span> =<\/span> 'test'<\/span>;<\/span>\r\necho<\/span> '$str'<\/span>;<\/span> \/\/ $str<\/span>\r\n<\/code><\/pre>\n
          $str<\/span> =<\/span> 'test'<\/span>;<\/span>\r\necho<\/span> \"<\/span>$str<\/span>\"<\/span>;<\/span> \/\/ test<\/span>\r\n<\/code><\/pre>\n
          \u5982\u679c\u5728\u53d8\u91cf\u540d\u4e4b\u540e\u7d27\u8ddf\u7740\u5b57\u7b26\uff0c\u5373\u4f7f\u4f7f\u7528\u53cc\u5f15\u53f7\u5c06\u5176\u62ec\u8d77\u6765\uff0c\u4e5f\u65e0\u6cd5\u8fdb\u884c\u53d8\u91cf\u5c55\u5f00\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ea\u9700\u4f7f\u7528 {} \u5c06\u53d8\u91cf\u90e8\u5206\u62ec\u8d77\u6765\u5373\u53ef\u5b9e\u73b0\u53d8\u91cf\u5c55\u5f00\u3002<\/p>\n
          $str<\/span> =<\/span> '\u30c6\u30b9\u30c8'<\/span>;<\/span>\r\necho<\/span> \"\u4eca\u65e5\u306f<\/span>$str\u3067\u3059<\/span>\u3002\"<\/span>;<\/span> \/\/ [\u30a8\u30e9\u30fc] Notice: Undefined variable: str\u3067\u3059\u3002 in \/sample\/index.php on line 3<\/span>\r\n<\/code><\/pre>\n
          $str<\/span> =<\/span> '\u30c6\u30b9\u30c8'<\/span>;<\/span>\r\necho<\/span> \"\u4eca\u65e5\u306f<\/span>{<\/span>$str<\/span>}<\/span>\u3067\u3059\u3002\"<\/span>;<\/span> \/\/ \u4eca\u65e5\u306f\u30c6\u30b9\u30c8\u3067\u3059\u3002<\/span>\r\n<\/code><\/pre>\n
          PHP\u624b\u518c-\u5b57\u7b26\u4e32-\u53d8\u91cf\u89e3\u6790<\/p>\n
          \u53d8\u91cf\u5c55\u5f00\u6240\u9700\u7684{} \u7b26\u53f7\u53ef\u4ee5\u4ee5\u4ee5\u4e0b\u65b9\u5f0f\uff0c\u5c06$ \u7b26\u53f7\u79fb\u5230\u5916\u9762\u5e76\u5199\u6210\u540c\u6837\u7684\u7ed3\u679c\u3002<\/p>\n
          $str<\/span> =<\/span> '\u30c6\u30b9\u30c8'<\/span>;<\/span>\r\necho<\/span> \"\u4eca\u65e5\u306f${str}\u3067\u3059\u3002\"<\/span>;<\/span> \/\/ \u4eca\u65e5\u306f\u30c6\u30b9\u30c8\u3067\u3059\u3002<\/span>\r\n<\/code><\/pre>\n
          Here’s a Chinese paraphrase of “\u30d2\u30a2\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8”:
          \n\u591a\u884c\u5b57\u7b26\u4e32
          \n\u5229\u7528\u30d2\u30a2\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u8fd9\u4e00\u529f\u80fd\u53ef\u4ee5\u8868\u793a\u8de8\u8d8a\u591a\u884c\u7684\u5b57\u7b26\u4e32\u3002\u5728\u4ee3\u7801\u4e2d\uff0c\u4ece<<<EOS\u5f00\u59cb\uff0c\u4ee5EOS\u7ed3\u5c3e\u7684\u90e8\u5206\u6210\u4e3a\u4e00\u4e2a\u30d2\u30a2\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\uff0c\u4f46\u662f\u7ed3\u5c3eID\uff08\u5982EOS\uff1a\u5b57\u7b26\u4e32\u7ed3\u675f\uff09\u53ef\u4ee5\u81ea\u7531\u547d\u540d\uff0c\u547d\u540d\u89c4\u5219\u4e0e\u53d8\u91cf\u548c\u51fd\u6570\u76f8\u540c\u3002<\/p>\n
          echo<\/span> <<<EOS\r\n<h1>\u30bf\u30a4\u30c8\u30eb<\/h1>\r\n<p>\u6bb5\u843d<\/p>\r\n<p>\u6bb5\u843d<\/p>\r\n<p>\u6bb5\u843d<\/p>\r\nEOS;<\/span>\r\n<\/code><\/pre>\n
          \u5728Here document\u4e2d\u4f7f\u7528\u7684\u53d8\u91cf\u5c06\u4f1a\u88ab\u5c55\u5f00\uff0c\u7a7a\u683c\u3001\u6362\u884c\u3001\u5355\u5f15\u53f7\u548c\u53cc\u5f15\u53f7\u90fd\u4f1a\u539f\u6837\u8f93\u51fa\uff0c\u4f46\u6700\u540e\u4e00\u884c\u672b\u5c3e\u7684\u6362\u884c\u7b26\u4f1a\u88ab\u5ffd\u7565\u3002<\/p>\n
          $str<\/span> =<\/span> '\u30c6\u30b9\u30c8'<\/span>;<\/span>\r\necho<\/span> '<span>'<\/span>;<\/span>\r\necho<\/span> <<<EOS\r\n$str\r\n$str\r\nEOS;<\/span>\r\necho<\/span> '<span>'<\/span>;<\/span>\r\n<\/code><\/pre>\n
          <span><\/span>\u30c6\u30b9\u30c8\r\n\u30c6\u30b9\u30c8<span><\/span>\r\n<\/code><\/pre>\n
          \u7ec8\u7aefID\u65e0\u6cd5\u8fdb\u884c\u7f29\u8fdb\u6216\u5728\u540c\u4e00\u884c\u5199\u6ce8\u91ca\u3002\u5728Here\u6587\u7ed3\u675f\u65f6\uff0c\u53ea\u80fd\u5199\u7ec8\u7aefID\u548c\u5206\u53f7\u3002<\/p>\n
          <?php<\/span>\r\n echo<\/span> '<span>'<\/span>;<\/span>\r\n echo<\/span> <<<EOS\r\n \u30c6\u30b9\u30c8\r\n \u30c6\u30b9\u30c8\r\n EOS;<\/span>\r\n echo<\/span> '<span>'<\/span>;<\/span>\r\n<\/code><\/pre>\n
          Parse<\/span> error<\/span>:<\/span> syntax<\/span> error<\/span>,<\/span> unexpected<\/span> end<\/span> of<\/span> file<\/span>,<\/span> expecting<\/span> variable<\/span> (<\/span>T_VARIABLE<\/span>)<\/span> or<\/span> heredoc<\/span> end<\/span> (<\/span>T_END_HEREDOC<\/span>)<\/span> or<\/span> $<\/span>{<\/span> (<\/span>T_DOLLAR_OPEN_CURLY_BRACES<\/span>)<\/span> or<\/span> {<\/span>$<\/span> (<\/span>T_CURLY_OPEN<\/span>)<\/span> in<\/span> \/<\/span>sample<\/span>\/<\/span>index<\/span>.<\/span>php<\/span> on<\/span> line<\/span> 8<\/span>\r\n<\/code><\/pre>\n
          \u4f5c\u4e3a\u9644\u8a00\uff0c\u5728\u6211\u81ea\u5df1\u7684\u73af\u5883\u4e2d\u5c1d\u8bd5\u4e86\u4e00\u4e0b\uff0cPHP 5.4\u5728\u6dfb\u52a0\u7ec8\u6b62ID\u7684\u7f29\u8fdb\u65f6\u4f1a\u4ea7\u751f\u9519\u8bef\uff0c\u800cPHP 7.3\u5219\u4e0d\u4f1a\u3002\u4f46\u662f\uff0c\u5728PHP\u5b98\u65b9\u624b\u518c\u4e0a\u4e5f\u6307\u51fa\u201c\u7ec8\u6b62ID\u548c\u5206\u53f7\u4e0d\u8981\u7f29\u8fdb\u201d\uff0c\u6240\u4ee5\u6700\u597d\u6309\u7167\u5b98\u65b9\u624b\u518c\u7684\u8981\u6c42\u6765\u505a\u6bd4\u8f83\u4fdd\u9669\u3002<\/p>\n
          PHP\u624b\u518c – \u5b57\u7b26\u4e32 – Heredoc<\/p>\n
          \u73b0\u5728\u4f20\u771f\u6587\u6863\u5728\u4e2d\u56fd\uff0c\u6709\u4e00\u79cd\u7c7b\u4f3c\u4e8eHere Document\u7684\u529f\u80fd\u53ebNowdoc\u3002\u5982\u679c\u8bf4Here Document\u662f\u4f7f\u7528\u53cc\u5f15\u53f7\u62ec\u8d77\u5b57\u7b26\u4e32\u65f6\u7684\u884c\u4e3a\uff0c\u90a3\u4e48Nowdoc\u5219\u662f\u4f7f\u7528\u5355\u5f15\u53f7\u62ec\u8d77\u5b57\u7b26\u4e32\u65f6\u7684\u884c\u4e3a\u3002\u5728PHP 5.3\u53ca\u4ee5\u540e\u7684\u7248\u672c\u4e2d\u53ef\u7528\uff0c\u9664\u4e86\u5f00\u5934\u7684\u7ec8\u6b62ID\u9700\u8981\u7528\u5355\u5f15\u53f7\u62ec\u8d77\u6765\uff0c\u800c\u4e14\u4e0d\u652f\u6301\u53d8\u91cf\u63d2\u503c\u5916\uff0c\u57fa\u672c\u4e0a\u4e0eHere Document\u7684\u884c\u4e3a\u76f8\u540c\u3002<\/p>\n
          PHP\u624b\u518c – \u5b57\u7b26\u4e32 – Nowdoc<\/p>\n
          $str<\/span> =<\/span> '\u30c6\u30b9\u30c8'<\/span>;<\/span>\r\necho<\/span> '<span>'<\/span>;<\/span>\r\necho<\/span> <<<'EOS'\r\n$str\r\n$str\r\nEOS;<\/span>\r\necho<\/span> '<span>'<\/span>;<\/span>\r\n<\/code><\/pre>\n
          <span><\/span>$str\r\n$str<span><\/span>\r\n<\/code><\/pre>\n
          \u55ef\u55ef\u548c\u6253\u5370
          \n\u9664\u6b64\u4e4b\u5916\uff0c\u4ee5\u5f80\u7684\u4ee3\u7801\u4e2d\u4e5f\u51fa\u73b0\u4e86\u4e00\u4e9b\u7528\u4e8e\u8f93\u51fa\u5b57\u7b26\u4e32\u7684\u51fd\u6570\uff0c\u6bd4\u5982 echo\u3001print\u3001printf\u7b49\u3002\u4e25\u683c\u6765\u8bf4\uff0cecho\u548cprint\u5e76\u4e0d\u662f\u51fd\u6570\uff0c\u800c\u662f\u8bed\u8a00\u7ed3\u6784\uff0c\u5728\u4f7f\u7528\u65f6\u53ef\u4ee5\u9009\u62e9\u662f\u5426\u4f7f\u7528\u5706\u62ec\u53f7\u5c06\u53c2\u6570\u90e8\u5206\u62ec\u8d77\u6765\uff0c\u529f\u80fd\u4e0a\u5e76\u65e0\u5dee\u5f02\u3002<\/p>\n
          print<\/span> 'Hello world!'<\/span>;<\/span> \/\/ Hello world!<\/span>\r\nprint<\/span>(<\/span>'Hello world!'<\/span>);<\/span> \/\/ Hello world!<\/span>\r\necho<\/span> 'Hello world!'<\/span>;<\/span> \/\/ Hello world!<\/span>\r\necho<\/span>(<\/span>'Hello world!'<\/span>);<\/span> \/\/ Hello world!<\/span>\r\n<\/code><\/pre>\n
          \u8bf7\u53c2\u8003PHP\u624b\u518c\u4ee5\u4e86\u89e3\u5176\u4ed6\u8bed\u8a00\u7ed3\u6784\u3002<\/p>\n
          PHP\u624b\u518c- \u5173\u952e\u8bcd\u5217\u8868\u3002<\/p>\n
          echo\u5728\u4e2d\u56fd\u901a\u5e38\u7528\u9017\u53f7\u5206\u9694\u6765\u7ed9\u51fa\u591a\u4e2a\u503c\u4f5c\u4e3a\u53c2\u6570\uff0c\u4f46\u662f\u5728print\u4e2d\u4e0d\u80fd\u7ed9\u51fa\u9017\u53f7\u5206\u9694\u7684\u591a\u4e2a\u503c\u3002
          \n\u800c\u4e14\uff0c\u5982\u679c\u8981\u4f7f\u7528echo\u4ee5\u9017\u53f7\u5206\u9694\u8f93\u51fa\u591a\u4e2a\u503c\u65f6\uff0c\u4e0d\u80fd\u7528\u62ec\u53f7\u5c06\u53c2\u6570\u62ec\u8d77\u6765\u3002
          \n\uff08\u867d\u7136\u5728\u8f93\u51fa\u591a\u4e2a\u503c\u65f6\uff0c\u53ef\u80fd\u66f4\u5e38\u89c1\u7684\u662f\u4f7f\u7528\u70b9\u53f7\u8fdb\u884c\u8fde\u63a5\u800c\u4e0d\u662f\u4f7f\u7528\u9017\u53f7\u3002\uff09<\/p>\n
          print<\/span> 'Hello '<\/span>,<\/span> 'world!'<\/span>;<\/span> \/\/ [\u30a8\u30e9\u30fc] Parse error: syntax error, unexpected ',' in \/sample\/index.php on line 2<\/span>\r\nprint<\/span>(<\/span>'Hello '<\/span>,<\/span> 'world!'<\/span>);<\/span> \/\/ [\u30a8\u30e9\u30fc] Parse error: syntax error, unexpected ',' in \/sample\/index.php on line 2<\/span>\r\n<\/code><\/pre>\n
          echo<\/span> 'Hello '<\/span>,<\/span> 'world!'<\/span>;<\/span> \/\/ Hello world!<\/span>\r\necho<\/span>(<\/span>'Hello '<\/span>,<\/span> 'world!'<\/span>);<\/span> \/\/ [\u30a8\u30e9\u30fc] Parse error: syntax error, unexpected ',' in \/sample\/index.php on line 2<\/span>\r\n<\/code><\/pre>\n
          \u9664\u4e86 echo \u548c print \u7684\u533a\u522b\u4e4b\u5916\uff0cprint \u8fd8\u6709\u8fd4\u56de\u503c\uff0c\u5e76\u4e14\u59cb\u7ec8\u8fd4\u56de\u6570\u5b57 1\uff0c\u56e0\u6b64\u53ef\u4ee5\u5c06\u5176\u7528\u4f5c\u8868\u8fbe\u5f0f\u7684\u4e00\u90e8\u5206\uff0c\u800c echo \u6ca1\u6709\u8fd4\u56de\u503c\u3002<\/p>\n
          if<\/span>(<\/span>echo<\/span> 'echo'<\/span>){<\/span>\r\n echo<\/span> 'OK'<\/span>;<\/span>\r\n}<\/span>\r\n\/\/ [\u30a8\u30e9\u30fc] Parse error: syntax error, unexpected 'echo' (T_ECHO) in \/sample\/index.php on line 2<\/span>\r\ntrue<\/span> ?<\/span> echo<\/span> 'OK'<\/span> :<\/span> echo<\/span> 'NG'<\/span>;<\/span>\r\n\/\/ [\u30a8\u30e9\u30fc] Parse error: syntax error, unexpected 'echo' (T_ECHO) in \/sample\/index.php on line 3<\/span>\r\n<\/code><\/pre>\n
          if<\/span>(<\/span>print<\/span> 'print'<\/span>){<\/span>\r\n print<\/span> 'OK'<\/span>;<\/span>\r\n}<\/span>\r\n\/\/ printOK<\/span>\r\ntrue<\/span> ?<\/span> print<\/span> 'OK'<\/span> :<\/span> print<\/span> 'NG'<\/span>;<\/span>\r\n\/\/ OK<\/span>\r\n<\/code><\/pre>\n
          \u7531\u4e8e\u5173\u4e8eecho\u548cprint\u7684\u533a\u522b\u5df2\u7ecf\u5728\u5176\u4ed6\u6587\u7ae0\u4e2d\u6574\u7406\u8fc7\u4e86\uff0c\u6240\u4ee5\u5982\u679c\u60a8\u611f\u5174\u8da3\u7684\u8bdd\uff0c\u8bf7\u5c1d\u8bd5\u9605\u8bfb\u4e00\u4e0b\u3002
          \nPHP: echo\u548cprint\u4e4b\u95f4\u7684\u533a\u522b\u3002<\/p>\n
          \u6253\u5370
          \nprintf()\u662f\u4e00\u79cd\u5185\u7f6e\u51fd\u6570\uff0c\u800c\u4e0d\u662f\u8bed\u8a00\u7ed3\u6784\uff0c\u53ef\u4ee5\u4f7f\u7528\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u6765\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u3002
          \n\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u4ee5\u66ff\u6362\u6807\u8bb0%\u5f00\u5934\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9644\u52a0\u4fee\u9970\u7b26\uff08\u598202-5\uff09\uff0c\u5e76\u4ee5\u7c7b\u578b\u6307\u793a\u7b26\uff08\u5982d s\uff09\u7ed3\u675f\u3002<\/p>\n
          printf<\/span>(<\/span>'[\u7f6e\u63db\u30de\u30fc\u30af][\u4fee\u98fe\u5b50][\u578b\u6307\u5b9a\u5b50]'<\/span>);<\/span>\r\n<\/code><\/pre>\n
          printf<\/span>(<\/span>'%d'<\/span>,<\/span>9<\/span>);<\/span> \/\/ 9 \/\/ d\u306f10\u9032\u6570\u306edecimal\u3092\u8868\u3059\u578b\u6307\u5b9a\u5b50<\/span>\r\nprintf<\/span>(<\/span>'%2d'<\/span>,<\/span>9<\/span>);<\/span> \/\/ 9 \/\/ 9\u306e\u76f4\u524d\u306b\u7a7a\u767d\u304c\u7f6e\u304b\u308c\u30662\u6841\u306b\u306a\u3063\u3066\u3044\u308b<\/span>\r\nprintf<\/span>(<\/span>'%02d'<\/span>,<\/span>9<\/span>);<\/span> \/\/ 09 \/\/ 2\u6841\u3067\u51fa\u529b\u3057\u3001\u8db3\u308a\u306a\u3044\u6841\u6570\u306f0\u3067\u57cb\u3081\u308b<\/span>\r\nprintf<\/span>(<\/span>'%f'<\/span>,<\/span> 3.14<\/span>);<\/span> \/\/ 3.140000 \/\/ f\u306f\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u306efloat\u3092\u8868\u3059\u578b\u6307\u5b9a\u5b50<\/span>\r\nprintf<\/span>(<\/span>'%1.2f'<\/span>,<\/span> 3.14<\/span>);<\/span> \/\/ 3.14 \/\/ \u6574\u65701\u6841.\u5c0f\u65702\u6841<\/span>\r\nprintf<\/span>(<\/span>'%s'<\/span>,<\/span>'Hello world!'<\/span>);<\/span> \/\/ Hello world! \/\/ s\u306f\u6587\u5b57\u5217\u306estring\u3092\u8868\u3059\u578b\u6307\u5b9a\u5b50<\/span>\r\nprintf<\/span>(<\/span>'%12s'<\/span>,<\/span>'world!'<\/span>);<\/span> \/\/ world! \/\/ \u6587\u5b57\u5217\u306e\u524d\u306b\u7a7a\u767d\u304c\u7f6e\u304b\u308c12\u6841\u306b\u306a\u3063\u3066\u3044\u308b<\/span>\r\nprintf<\/span>(<\/span>'%-12s'<\/span>,<\/span>'Hello'<\/span>);<\/span> \/\/ Hello \/\/ \u6587\u5b57\u5217\u306e\u5f8c\u306b\u7a7a\u767d\u304c\u7f6e\u304b\u308c12\u6841\u306b\u306a\u3063\u3066\u3044\u308b<\/span>\r\nprintf<\/span>(<\/span>'%d%s%d%s'<\/span>,<\/span> 1<\/span>,<\/span> '\u5e74'<\/span>,<\/span> 1<\/span>,<\/span> '\u7d44'<\/span>);<\/span> \/\/ 1\u5e741\u7d44 \/\/ \u5de6\u304b\u3089\u9806\u306b\u5bfe\u5fdc\u3059\u308b\u5f15\u6570\u3092\u51fa\u529b<\/span>\r\nprintf<\/span>(<\/span>'%%'<\/span>);<\/span> \/\/ % \/\/ %\u6587\u5b57\u3092\u51fa\u529b<\/span>\r\n<\/code><\/pre>\n
          \u8bf7\u67e5\u9605\u624b\u518c\u4ee5\u4e86\u89e3\u66f4\u8be6\u7ec6\u7684 printf() \u89c4\u8303\u3002<\/p>\n
          PHP\u624b\u518c – printf \u2014 \u8f93\u51fa\u683c\u5f0f\u5316\u5b57\u7b26\u4e32<\/p>\n
          \u4f7f\u7528 print_r \u548c var_dump \u5448\u73b0\u6570\u636e
          \n\u4f7f\u7528print_r()\u6216var_dump()\u51fd\u6570\u53ef\u4ee5\u5c06\u53d8\u91cf\u7684\u503c\u7b49\u4ee5\u7b80\u660e\u6613\u61c2\u7684\u65b9\u5f0f\u8f93\u51fa\u4ee5\u4f9b\u8c03\u8bd5\u4f7f\u7528\u3002
          \n\u82e5\u5e0c\u671b\u4e00\u76ee\u4e86\u7136\u5730\u6613\u4e8e\u9605\u8bfb\uff0c\u53ef\u80fd\u66f4\u9002\u5408\u4f7f\u7528print_r()\uff0c\u4f46\u662fvar_dump()\u4e0d\u4ec5\u53ef\u4ee5\u8f93\u51fa\u6570\u636e\u7c7b\u578b\uff0c\u8fd8\u53ef\u4ee5\u6b63\u786e\u5730\u5c06null\u548cfalse\u8f93\u51fa\u4e3a\u5b57\u7b26\u4e32\u3002
          \n\u5982\u679c\u53ef\u8bfb\u6027\u66f4\u91cd\u8981\uff0c\u5efa\u8bae\u4f7f\u7528print_r()\uff1b\u5982\u679c\u9700\u8981\u66f4\u8be6\u7ec6\u7684\u4fe1\u606f\u8f93\u51fa\uff0c\u53ef\u4ee5\u4f7f\u7528var_dump()\u3002<\/p>\n
          $array<\/span> =<\/span> array<\/span>(<\/span> null<\/span>,<\/span> false<\/span>,<\/span> 'string'<\/span>,<\/span> 1<\/span> );<\/span>\r\nvar_dump<\/span>(<\/span>$array<\/span>);<\/span>\r\nprint_r<\/span>(<\/span>$array<\/span>);<\/span>\r\n<\/code><\/pre>\n
          Array<\/span> (<\/span> [<\/span>0<\/span>]<\/span> =><\/span> [<\/span>1<\/span>]<\/span> =><\/span> [<\/span>2<\/span>]<\/span> =><\/span> string<\/span> [<\/span>3<\/span>]<\/span> =><\/span> 1<\/span> )<\/span>\r\n<\/code><\/pre>\n
          array<\/span>(<\/span>4<\/span>)<\/span> {<\/span> [<\/span>0<\/span>]<\/span>=><\/span> NULL<\/span> [<\/span>1<\/span>]<\/span>=><\/span> bool<\/span>(<\/span>false<\/span>)<\/span> [<\/span>2<\/span>]<\/span>=><\/span> string<\/span>(<\/span>6<\/span>)<\/span> \"string\"<\/span> [<\/span>3<\/span>]<\/span>=><\/span> int<\/span>(<\/span>1<\/span>)<\/span> }<\/span>\r\n<\/code><\/pre>\n
          strlen\u662f\u4e00\u4e2a\u51fd\u6570\uff0c\u7528\u4e8e\u83b7\u53d6\u4e00\u4e2a\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u3002mb_strlen\u4e5f\u662f\u4e00\u4e2a\u51fd\u6570\uff0c\u7528\u4e8e\u83b7\u53d6\u4e00\u4e2a\u591a\u5b57\u8282\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u3002\u5728\u4e2d\u6587\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 strlen() \u548c mb_strlen() \u6765\u83b7\u53d6\u5b57\u7b26\u4e32\u7684\u5b57\u7b26\u6570\u3002
          \n\u7531\u4e8e\u65e5\u8bed\u4e2d\u7684\u5b57\u7b26\u662f\u591a\u5b57\u8282\u5b57\u7b26\uff0c\u4e0e\u5e38\u89c4\u7684\u534a\u89d2\u82f1\u6570\u5b57\u4e0d\u540c\uff0c\u56e0\u6b64\u5f53\u6211\u4eec\u60f3\u8981\u83b7\u53d6\u591a\u5b57\u8282\u5b57\u7b26\u7684\u5b57\u7b26\u6570\u65f6\uff0c\u5e94\u8be5\u4f7f\u7528 mb_strlen() \u51fd\u6570\u3002<\/p>\n
          echo<\/span> strlen<\/span>(<\/span>'Hello!'<\/span>);<\/span> \/\/ 6<\/span>\r\necho<\/span> strlen<\/span>(<\/span>'\u3053\u3093\u306b\u3061\u306f\uff01'<\/span>);<\/span> \/\/ 18 \/\/ strlen\u3067\u65e5\u672c\u8a9e\u306e\u6587\u5b57\u6570\u306f\u6570\u3048\u3089\u308c\u306a\u3044<\/span>\r\n<\/code><\/pre>\n
          echo<\/span> mb_strlen<\/span>(<\/span>'Hello!'<\/span>);<\/span> \/\/ 6 \/\/ mb_strlen\u3067\u306f\u534a\u89d2\u82f1\u6570\u3082\u5bfe\u5fdc\u3059\u308b<\/span>\r\necho<\/span> mb_strlen<\/span>(<\/span>'\u3053\u3093\u306b\u3061\u306f\uff01'<\/span>);<\/span> \/\/ 6<\/span>\r\n<\/code><\/pre>\n
          PHP \u624b\u518c – strlen \u2014 \u83b7\u53d6\u5b57\u7b26\u4e32\u957f\u5ea6
          \nPHP \u624b\u518c – mb_strlen \u2014 \u83b7\u53d6\u5b57\u7b26\u4e32\u957f\u5ea6<\/p>\n
          \u5728\u624b\u518c\u4e0a\u4e5f\u6709\u63d0\u5230\uff0cstrlen()\u662f\u4e00\u4e2a\u4e25\u683c\u6765\u8bf4\u7528\u6765\u68c0\u67e5\u5b57\u7b26\u7684\u5b57\u8282\u6570\uff08\u5927\u5c0f\uff0c\u5bb9\u91cf\u4e4b\u7c7b\u7684\u4e1c\u897f\uff09\u7684\u5185\u7f6e\u51fd\u6570\u3002
          \n\u7531\u4e8e\u534a\u89d2\u82f1\u6570\u5b57\u5360\u75281\u4e2a\u5b57\u8282\uff0c\u6240\u4ee5\u5c06\u5b57\u8282\u6570\u89c6\u4e3a\u5b57\u7b26\u6570\u4e5f\u4e0d\u4f1a\u6709\u592a\u591a\u95ee\u9898\u3002\u4f46\u662f\uff0c\u50cf\u65e5\u8bed\u8fd9\u6837\u7684\u591a\u5b57\u8282\u5b57\u7b26\u6709\u65f6\u4f1a\u5360\u75283\u4e2a\u5b57\u8282\u62164\u4e2a\u5b57\u8282\uff0c\u6240\u4ee5\u4f7f\u7528strlen()\u6765\u68c0\u67e5\u5b57\u8282\u6570\u53ef\u80fd\u4f1a\u5f97\u5230\u6bd4\u5b57\u7b26\u6570\u66f4\u5927\u7684\u503c\u3002<\/p>\n
          \u4fee\u526a \/ \u5de6\u4fa7\u4fee\u526a \/ \u53f3\u4fa7\u4fee\u526atrim()\u3001ltrim()\u3001rtrim() \u7684\u6bcf\u4e2a\u51fd\u6570\u90fd\u53ef\u4ee5\u4ece\u5b57\u7b26\u4e32\u4e2d\u5220\u9664\u7279\u5b9a\u7684\u5b57\u7b26\u3002
          \ntrim() \u4ece\u5b57\u7b26\u4e32\u7684\u4e24\u7aef\u5220\u9664\u5b57\u7b26\uff0cltrim() \u4ec5\u4ece\u5b57\u7b26\u4e32\u7684\u5de6\u4fa7\u5220\u9664\u5b57\u7b26\uff0crtrim() \u4ec5\u4ece\u5b57\u7b26\u4e32\u7684\u53f3\u4fa7\u5220\u9664\u5b57\u7b26\u3002
          \n\u7b2c\u4e00\u4e2a\u53c2\u6570\u53ef\u4ee5\u662f\u8981\u5e94\u7528\u5220\u9664\u64cd\u4f5c\u7684\u5b57\u7b26\u4e32\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u53ef\u4ee5\u6307\u5b9a\u8981\u5220\u9664\u7684\u5b57\u7b26\u3002\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e5f\u53ef\u4ee5\u7701\u7565\uff0c\u5982\u679c\u7701\u7565\uff0c\u5219\u4f1a\u5220\u9664\u7a7a\u683c\u3001\u5236\u8868\u7b26\u3001\u56de\u8f66\u7b26\u3001\u6362\u884c\u7b26\u3001NUL \u5b57\u7b26\u3001\u5782\u76f4\u5236\u8868\u7b26\u3002<\/p>\n
          echo<\/span> trim<\/span>(<\/span>' Hello '<\/span>);<\/span> \/\/ Hello \/\/ \u6587\u5b57\u5217\u306e\u5de6\u53f3\u4e21\u5074\u304b\u3089\u7a7a\u767d\u6587\u5b57\u304c\u9664\u53bb\u3055\u308c\u308b<\/span>\r\n<\/code><\/pre>\n
          \u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u5728\u6307\u5b9a\u8981\u5220\u9664\u7684\u5b57\u7b26\u65f6\uff0c\u6bd4\u5982 trim(‘Hello’,’He’)\uff0c\u4e0d\u662f\u5220\u9664\u5b57\u7b26\u4e32”He”\uff0c\u800c\u662f\u5c1d\u8bd5\u5220\u9664\u5b57\u7b26”H”\u548c”e”\u3002\u5982\u679c\u662f trim(‘Hello’,’Hel’)\uff0c\u4e5f\u4e0d\u662f\u5220\u9664\u5b57\u7b26\u4e32”Hel”\uff0c\u800c\u662f\u5c1d\u8bd5\u5220\u9664\u5b57\u7b26”H”\u3001”e”\u548c”l”\u3002\u6240\u4ee5\uff0c\u5728\u7b2c\u4e8c\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u4e24\u4e2a”l”\u90fd\u88ab\u5220\u9664\u4e86\uff0c\u53ea\u5269\u4e0b\u4e86”o”\u3002<\/p>\n
          echo<\/span> trim<\/span>(<\/span>'Hello'<\/span>,<\/span>'He'<\/span>);<\/span> \/\/ llo<\/span>\r\necho<\/span> trim<\/span>(<\/span>'Hello'<\/span>,<\/span>'Hel'<\/span>);<\/span> \/\/ o<\/span>\r\n<\/code><\/pre>\n
          PHP\u624b\u518c – trim\u51fd\u6570\uff1a\u79fb\u9664\u5b57\u7b26\u4e32\u5f00\u5934\u548c\u672b\u5c3e\u7684\u7a7a\u767d\u5b57\u7b26
          \nPHP\u624b\u518c – ltrim\u51fd\u6570\uff1a\u4ece\u5b57\u7b26\u4e32\u5f00\u5934\u79fb\u9664\u7a7a\u683c\uff08\u6216\u5176\u4ed6\u5b57\u7b26\uff09
          \nPHP\u624b\u518c – rtrim\u51fd\u6570\uff1a\u4ece\u5b57\u7b26\u4e32\u672b\u5c3e\u79fb\u9664\u7a7a\u683c\uff08\u6216\u5176\u4ed6\u5b57\u7b26\uff09<\/p>\n
          strtolower – \u8f6c\u6362\u4e3a\u5c0f\u5199\u5b57\u6bcd (lowercase)
          \nstrtoupper – \u8f6c\u6362\u4e3a\u5927\u5199\u5b57\u6bcd (uppercase)
          \nucfirst – \u5c06\u7b2c\u4e00\u4e2a\u5b57\u6bcd\u8f6c\u6362\u4e3a\u5927\u5199 (capitalize)
          \nucwords – \u5c06\u6bcf\u4e2a\u5355\u8bcd\u7684\u9996\u5b57\u6bcd\u90fd\u8f6c\u6362\u4e3a\u5927\u5199 (title case)
          \n\u8981\u5c06\u5927\u5199\u5b57\u6bcd\u548c\u5c0f\u5199\u5b57\u6bcd\u8fdb\u884c\u8f6c\u6362\uff0c\u53ef\u4ee5\u4f7f\u7528strtolower()\u3001strtoupper()\u3001ucfirst()\u3001ucwords() \u7b49\u51fd\u6570\u975e\u5e38\u65b9\u4fbf\u3002
          \nstrtolower()\u51fd\u6570\u4f1a\u5c06\u7ed9\u5b9a\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u5b57\u6bcd\u90e8\u5206\u8f6c\u6362\u4e3a\u5c0f\u5199\u5e76\u8fd4\u56de\u3002<\/p>\n
          echo<\/span> strtolower<\/span>(<\/span>'Hello World!'<\/span>);<\/span> \/\/ hello world!<\/span>\r\n<\/code><\/pre>\n
          strtoupper()\u51fd\u6570\u4f1a\u5c06\u7ed9\u5b9a\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u5b57\u6bcd\u90e8\u5206\u8f6c\u6362\u4e3a\u5927\u5199\uff0c\u5e76\u8fd4\u56de\u7ed3\u679c\u3002<\/p>\n
          echo<\/span> strtoupper<\/span>(<\/span>'Hello World!'<\/span>);<\/span> \/\/ HELLO WORLD!<\/span>\r\n<\/code><\/pre>\n
          ucfirst()\u51fd\u6570\u4f1a\u5c06\u7ed9\u5b9a\u5b57\u7b26\u4e32\u53c2\u6570\u7684\u9996\u5b57\u6bcd\u8f6c\u6362\u4e3a\u5927\u5199\u5b57\u6bcd\uff0c\u53ea\u8981\u8be5\u9996\u5b57\u6bcd\u662f\u4e00\u4e2a\u82f1\u6587\u5b57\u6bcd\u3002<\/p>\n
          echo<\/span> ucfirst<\/span>(<\/span>'hello world!'<\/span>);<\/span> \/\/ Hello world!<\/span>\r\necho<\/span> ucfirst<\/span>(<\/span>'\u3053\u3093\u306b\u3061\u306f world!'<\/span>);<\/span> \/\/ \u3053\u3093\u306b\u3061\u306f world! \/\/ 1\u6587\u5b57\u76ee\u304c\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u3067\u306a\u3044\u305f\u3081\u5909\u5316\u306a\u3057<\/span>\r\n<\/code><\/pre>\n
          ucwords() \u662f\u4e00\u4e2a\u5728\u6307\u5b9a\u5b57\u7b26\u4e32\u7684\u5b57\u6bcd\u4e2d\uff0c\u5c06\u6bcf\u4e2a\u5355\u8bcd\u7684\u7b2c\u4e00\u4e2a\u5b57\u6bcd\u53d8\u4e3a\u5927\u5199\u7684\u51fd\u6570\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5355\u8bcd\u4e4b\u95f4\u7684\u5206\u9694\u7b26\u4e3a\u7a7a\u683c\u6216\u6362\u884c\u7b49\uff0c\u4f46\u5982\u679c\u5728\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e2d\u6307\u5b9a\u5206\u9694\u7b26\u5b57\u7b26\uff0c\u90a3\u4e48\u8be5\u5206\u9694\u7b26\u540e\u7684\u5b57\u6bcd\u5c06\u88ab\u8f6c\u6362\u4e3a\u5927\u5199\u3002<\/p>\n
          echo<\/span> ucwords<\/span>(<\/span>'hello world!'<\/span>);<\/span> \/\/ Hello World! \/\/ \u534a\u89d2\u30b9\u30da\u30fc\u30b9\u3092\u533a\u5207\u308a\u3068\u8a8d\u8b58<\/span>\r\necho<\/span> ucwords<\/span>(<\/span>\"hello <\/span>\\n<\/span>world!\"<\/span>);<\/span> \/\/ Hello World! \/\/ \u6539\u884c(\\n)\u3092\u533a\u5207\u308a\u3068\u8a8d\u8b58<\/span>\r\necho<\/span> ucwords<\/span>(<\/span>'hello world!'<\/span>,<\/span> 'l'<\/span>);<\/span> \/\/ HelLo worlD! \/\/ l(\u30a8\u30eb)\u3092\u533a\u5207\u308a\u3068\u8a8d\u8b58<\/span>\r\n<\/code><\/pre>\n
          PHP\u624b\u518c – strtolower \u2014 \u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5c0f\u5199
          \nPHP\u624b\u518c – strtoupper \u2014 \u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5927\u5199
          \nPHP\u624b\u518c – ucfirst \u2014 \u5c06\u5b57\u7b26\u4e32\u7684\u9996\u5b57\u6bcd\u8f6c\u6362\u4e3a\u5927\u5199
          \nPHP\u624b\u518c – ucwords \u2014 \u5c06\u5b57\u7b26\u4e32\u4e2d\u6bcf\u4e2a\u5355\u8bcd\u7684\u9996\u5b57\u6bcd\u8f6c\u6362\u4e3a\u5927\u5199<\/p>\n
          \u8bf7\u63d0\u4f9b\u53c2\u8003\u94fe\u63a5\u3002\u5728PHP\u4e2d\uff0c\u53d8\u91cf\u5c55\u5f00\u6700\u597d\u4f7f\u7528{$variable}\u7684\u8bed\u6cd5\u3002
          \n\u4ec0\u4e48\u662fPHP\u5b57\u7b26\u4e32\u5b57\u9762\u503c\u4e2d\u7684\u53d8\u91cf\u5c55\u5f00\uff1f\u6d6e\u70b9\u6570\u662f\u4ec0\u4e48\uff1f<\/p>\n","protected":false},"excerpt":{"rendered":"
          \u9996\u5148\u8fd9\u7bc7\u6587\u7ae0\u662f\u4f5c\u4e3aPHP5\u9ad8\u7ea7\u8003\u8bd5\/\u51c6\u9ad8\u7ea7\u8003\u8bd5\u603b\u7ed3\u7684\u4e00\u90e8\u5206\uff0c\u9010\u6b65\u89e3\u91ca\u4e86\u4e0ePHP\u5b57\u7b26\u4e32\u6709\u5173\u7684\u5185\u5bb9\u3002\u867d\u7136\u8003\u8bd5\u5bf9\u8c61\u662f […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30152","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\n\u3010PHP\u5165\u95e8\u3011\u5173\u4e8ePHP\u5b57\u7b26\u4e32\u7684\u5185\u5bb9 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u3010PHP\u5165\u95e8\u3011\u5173\u4e8ePHP\u5b57\u7b26\u4e32\u7684\u5185\u5bb9\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010php\u5165\u95e8\u3011\u5173\u4e8ephp\u5b57\u7b26\u4e32\u7684\u5185\u5bb9\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010PHP\u5165\u95e8\u3011\u5173\u4e8ePHP\u5b57\u7b26\u4e32\u7684\u5185\u5bb9\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e\u3010PHP\u5165\u95e8\u3011\u5173\u4e8ePHP\u5b57\u7b26\u4e32\u7684\u5185\u5bb9\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010php\u5165\u95e8\u3011\u5173\u4e8ephp\u5b57\u7b26\u4e32\u7684\u5185\u5bb9\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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