{"id":47763,"date":"2024-12-02T14:32:03","date_gmt":"2024-12-02T06:32:03","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47763\/"},"modified":"2024-12-02T14:32:03","modified_gmt":"2024-12-02T06:32:03","slug":"php%e5%87%bd%e6%95%b0%e7%ae%97%e6%b3%95%e4%bc%98%e5%8c%96%e6%8a%80%e5%b7%a7%ef%bc%9a%e4%ba%91%e8%ae%a1%e7%ae%97%e5%b9%b3%e5%8f%b0%e4%b8%ad%e7%9a%84%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47763\/","title":{"rendered":"php\u51fd\u6570\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff1a\u4e91\u8ba1\u7b97\u5e73\u53f0\u4e2d\u7684\u6027\u80fd\u4f18\u5316"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>php\u51fd\u6570\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff1a\u4e91\u8ba1\u7b97\u5e73\u53f0\u4e2d\u7684\u6027\u80fd\u4f18\u5316<\/h1>\n<p>\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aphp\u51fd\u6570\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff1a\u4e91\u8ba1\u7b97\u5e73\u53f0\u4e2d\u7684\u6027\u80fd\u4f18\u5316\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01<\/p>\n<p>PHP \u51fd\u6570\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\u5bf9\u4e91\u8ba1\u7b97\u5e73\u53f0\u4e2d\u7684\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u4f18\u5316\u6280\u5de7\u5305\u62ec\uff1a\u6839\u636e\u4efb\u52a1\u9009\u62e9\u5408\u9002\u7684\u7b97\u6cd5\u3002\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u5faa\u73af\u3002\u4f7f\u7528\u5907\u5fd8\u5f55\u5b58\u50a8\u91cd\u590d\u8ba1\u7b97\u7ed3\u679c\u3002\u4f18\u5316\u5b57\u7b26\u4e32\u64cd\u4f5c\uff0c\u5982\u4f7f\u7528\u5b57\u7b26\u4e32\u51fd\u6570\u3002\u5229\u7528\u7f13\u5b58\u673a\u5236\u907f\u514d\u91cd\u590d\u67e5\u8be2\u6216\u8bfb\u53d6\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729935141671cb725e2bd6.jpg\" class=\"aligncenter\" title=\"php\u51fd\u6570\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff1a\u4e91\u8ba1\u7b97\u5e73\u53f0\u4e2d\u7684\u6027\u80fd\u4f18\u5316\u63d2\u56fe\" alt=\"php\u51fd\u6570\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff1a\u4e91\u8ba1\u7b97\u5e73\u53f0\u4e2d\u7684\u6027\u80fd\u4f18\u5316\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff1a\u4e91\u8ba1\u7b97\u5e73\u53f0\u4e2d\u7684\u6027\u80fd\u4f18\u5316<\/strong><\/p>\n<p><strong>\u5f15\u8a00<\/strong><\/p>\n<p>\u5728\u4e91\u8ba1\u7b97\u5e73\u53f0\u7684\u5927\u89c4\u6a21\u5e76\u884c\u73af\u5883\u4e2d\uff0c\u4f18\u5316 PHP \u51fd\u6570\u7684\u7b97\u6cd5\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u91c7\u7528\u9ad8\u6548\u7684\u7b97\u6cd5\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u6267\u884c\u901f\u5ea6\uff0c\u964d\u4f4e\u8d44\u6e90\u6d88\u8017\uff0c\u4ece\u800c\u63d0\u5347\u6574\u4f53\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u3002<\/p>\n<p><strong>\u4f18\u5316\u6280\u5de7<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5b9e\u7528\u7684 PHP \u51fd\u6570\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff1a<\/p>\n<ul>\n<li><strong>\u9009\u62e9\u5408\u9002\u7684\u7b97\u6cd5\uff1a<\/strong>\u6839\u636e\u4efb\u52a1\u7684\u7279\u70b9\u548c\u89c4\u6a21\uff0c\u9009\u62e9\u6700\u5408\u9002\u7684\u7b97\u6cd5\u3002\u4f8b\u5982\uff0c\u9488\u5bf9\u5927\u578b\u6570\u636e\u96c6\uff0c\u4f7f\u7528\u4e8c\u5206\u67e5\u627e\u7b97\u6cd5\u6bd4\u7ebf\u6027\u67e5\u627e\u6548\u7387\u66f4\u9ad8\u3002<\/li>\n<li><strong>\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u5faa\u73af\uff1a<\/strong>\u4ed4\u7ec6\u68c0\u67e5\u5faa\u73af\uff0c\u5e76\u5c3d\u91cf\u5c06\u5176\u79fb\u9664\u6216\u7b80\u5316\u3002\u5982\u679c\u67d0\u4e9b\u64cd\u4f5c\u53ef\u4ee5\u5728\u5faa\u73af\u4e4b\u5916\u6267\u884c\uff0c\u53ef\u4ee5\u8282\u7701\u5927\u91cf\u65f6\u95f4\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5907\u5fd8\u5f55\uff1a<\/strong>\u5bf9\u4e8e\u91cd\u590d\u8ba1\u7b97\u7684\u51fd\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528\u5907\u5fd8\u5f55\u6280\u672f\u5b58\u50a8\u7ed3\u679c\u3002\u8fd9\u6837\uff0c\u540e\u7eed\u8c03\u7528\u53ef\u4ee5\u76f4\u63a5\u8fd4\u56de\u5907\u5fd8\u5f55\u4e2d\u7684\u503c\uff0c\u907f\u514d\u91cd\u590d\u8ba1\u7b97\u3002<\/li>\n<li><strong>\u4f18\u5316\u5b57\u7b26\u4e32\u64cd\u4f5c\uff1a<\/strong>\u5b57\u7b26\u4e32\u64cd\u4f5c\u5728 PHP \u4e2d\u53ef\u80fd\u5f88\u8017\u65f6\u3002\u4f7f\u7528\u5b57\u7b26\u4e32\u51fd\u6570\u800c\u4e0d\u662f\u9010\u5b57\u7b26\u64cd\u4f5c\u53ef\u4ee5\u63d0\u9ad8\u6548\u7387\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 <code>str_replace()<\/code> \u800c\u4e0d\u662f <code>for<\/code> \u5faa\u73af\u8fdb\u884c\u5b57\u7b26\u4e32\u66ff\u6362\u3002<\/li>\n<li><strong>\u5229\u7528\u7f13\u5b58\uff1a<\/strong>\u5bf9\u4e8e\u7ecf\u5e38\u8bbf\u95ee\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528 PHP \u7f13\u5b58\u673a\u5236 (\u5982 <code>memcache<\/code> \u6216 <code>Redis<\/code>) \u5728\u5185\u5b58\u4e2d\u5b58\u50a8\u7ed3\u679c\u3002\u8fd9\u53ef\u4ee5\u907f\u514d\u91cd\u590d\u6570\u636e\u5e93\u67e5\u8be2\u6216\u6587\u4ef6\u8bfb\u53d6\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p><strong>\u7528\u4f8b\uff1a\u67e5\u627e\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u51fa\u73b0<\/strong><\/p>\n<p>\u4ee5\u4e0b\u51fd\u6570\u4f7f\u7528\u7ebf\u6027\u67e5\u627e\u7b97\u6cd5\u67e5\u627e\u5b57\u7b26\u4e32\u4e2d\u6240\u6709\u51fa\u73b0\u6307\u5b9a\u5b50\u5b57\u7b26\u4e32\u7684\u4f4d\u7f6e\uff1a<\/p>\n<pre>function find_all_occurences($str, $needle) {\n  $pos = [];\n  $i = 0;\n  while (($i = strpos($str, $needle, $i)) !== false) {\n    $pos[] = $i++;\n  }\n  return $pos;\n}<\/pre>\n<p>\u901a\u8fc7\u4f7f\u7528\u4e8c\u5206\u67e5\u627e\u7b97\u6cd5\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u5927\u6570\u636e\u96c6\u7684\u6548\u7387\uff1a<\/p>\n<pre>function find_all_occurences_binary($str, $needle) {\n  $low = 0;\n  $high = strlen($str) - strlen($needle);\n  $pos = [];\n\n  while ($low &lt;= $high) {\n    $mid = intval(($low + $high) \/ 2);\n    $match = substr($str, $mid, strlen($needle));\n\n    if ($match === $needle) {\n      $pos[] = $mid;\n      $high = $mid - 1;\n    } elseif ($match &gt; $needle) {\n      $high = $mid - 1;\n    } else {\n      $low = $mid + 1;\n    }\n  }\n\n  return $pos;\n}<\/pre>\n<p>\u6587\u4e2d\u5173\u4e8e\u4e91\u8ba1\u7b97,PHP\u51fd\u6570\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aphp\u51fd\u6570\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff1a\u4e91\u8ba1\u7b97\u5e73\u53f0\u4e2d\u7684\u6027\u80fd\u4f18\u5316\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>php\u51fd\u6570\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff1a\u4e91\u8ba1\u7b97\u5e73\u53f0\u4e2d\u7684\u6027\u80fd\u4f18\u5316 \u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300aphp\u51fd\u6570\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff1a\u4e91\u8ba1\u7b97\u5e73\u53f0\u4e2d\u7684\u6027\u80fd\u4f18\u5316\u300b\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01 PHP \u51fd\u6570\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\u5bf9\u4e91\u8ba1\u7b97\u5e73\u53f0\u4e2d\u7684\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u4f18\u5316\u6280\u5de7\u5305\u62ec\uff1a\u6839\u636e\u4efb\u52a1\u9009\u62e9\u5408\u9002\u7684\u7b97\u6cd5\u3002\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u5faa\u73af\u3002\u4f7f\u7528\u5907\u5fd8\u5f55\u5b58\u50a8\u91cd\u590d\u8ba1\u7b97\u7ed3\u679c\u3002\u4f18\u5316\u5b57\u7b26\u4e32\u64cd\u4f5c\uff0c\u5982\u4f7f\u7528\u5b57\u7b26\u4e32\u51fd\u6570\u3002\u5229\u7528\u7f13\u5b58\u673a\u5236\u907f\u514d\u91cd\u590d\u67e5\u8be2\u6216\u8bfb\u53d6\u3002 PHP \u51fd\u6570\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff1a\u4e91\u8ba1\u7b97\u5e73\u53f0\u4e2d\u7684\u6027\u80fd\u4f18\u5316 \u5f15\u8a00 \u5728\u4e91\u8ba1\u7b97\u5e73\u53f0\u7684\u5927\u89c4\u6a21\u5e76\u884c\u73af\u5883\u4e2d\uff0c\u4f18\u5316 PHP \u51fd\u6570\u7684\u7b97\u6cd5\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u91c7\u7528\u9ad8\u6548\u7684\u7b97\u6cd5\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u6267\u884c\u901f\u5ea6\uff0c\u964d\u4f4e\u8d44\u6e90\u6d88\u8017\uff0c\u4ece\u800c\u63d0\u5347\u6574\u4f53\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u3002 \u4f18\u5316\u6280\u5de7 \u4ee5\u4e0b\u662f\u4e00\u4e9b\u5b9e\u7528\u7684 PHP \u51fd\u6570\u7b97\u6cd5\u4f18\u5316\u6280\u5de7\uff1a \u9009\u62e9\u5408\u9002\u7684\u7b97\u6cd5\uff1a\u6839\u636e\u4efb\u52a1\u7684\u7279\u70b9\u548c\u89c4\u6a21\uff0c\u9009\u62e9\u6700\u5408\u9002\u7684\u7b97\u6cd5\u3002\u4f8b\u5982\uff0c\u9488\u5bf9\u5927\u578b\u6570\u636e\u96c6\uff0c\u4f7f\u7528\u4e8c\u5206\u67e5\u627e\u7b97\u6cd5\u6bd4\u7ebf\u6027\u67e5\u627e\u6548\u7387\u66f4\u9ad8\u3002 \u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u5faa\u73af\uff1a\u4ed4\u7ec6\u68c0\u67e5\u5faa\u73af\uff0c\u5e76\u5c3d\u91cf\u5c06\u5176\u79fb\u9664\u6216\u7b80\u5316\u3002\u5982\u679c\u67d0\u4e9b\u64cd\u4f5c\u53ef\u4ee5\u5728\u5faa\u73af\u4e4b\u5916\u6267\u884c\uff0c\u53ef\u4ee5\u8282\u7701\u5927\u91cf\u65f6\u95f4\u3002 \u4f7f\u7528\u5907\u5fd8\u5f55\uff1a\u5bf9\u4e8e\u91cd\u590d\u8ba1\u7b97\u7684\u51fd\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528\u5907\u5fd8\u5f55\u6280\u672f\u5b58\u50a8\u7ed3\u679c\u3002\u8fd9\u6837\uff0c\u540e\u7eed\u8c03\u7528\u53ef\u4ee5\u76f4\u63a5\u8fd4\u56de\u5907\u5fd8\u5f55\u4e2d\u7684\u503c\uff0c\u907f\u514d\u91cd\u590d\u8ba1\u7b97\u3002 \u4f18\u5316\u5b57\u7b26\u4e32\u64cd\u4f5c\uff1a\u5b57\u7b26\u4e32\u64cd\u4f5c\u5728 PHP \u4e2d\u53ef\u80fd\u5f88\u8017\u65f6\u3002\u4f7f\u7528\u5b57\u7b26\u4e32\u51fd\u6570\u800c\u4e0d\u662f\u9010\u5b57\u7b26\u64cd\u4f5c\u53ef\u4ee5\u63d0\u9ad8\u6548\u7387\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 str_replace() \u800c\u4e0d\u662f for \u5faa\u73af\u8fdb\u884c\u5b57\u7b26\u4e32\u66ff\u6362\u3002 \u5229\u7528\u7f13\u5b58\uff1a\u5bf9\u4e8e\u7ecf\u5e38\u8bbf\u95ee\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528 PHP \u7f13\u5b58\u673a\u5236 (\u5982 memcache \u6216 Redis) \u5728\u5185\u5b58\u4e2d\u5b58\u50a8\u7ed3\u679c\u3002\u8fd9\u53ef\u4ee5\u907f\u514d\u91cd\u590d\u6570\u636e\u5e93\u67e5\u8be2\u6216\u6587\u4ef6\u8bfb\u53d6\u64cd\u4f5c\u3002 \u5b9e\u6218\u6848\u4f8b \u7528\u4f8b\uff1a\u67e5\u627e\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u51fa\u73b0 \u4ee5\u4e0b\u51fd\u6570\u4f7f\u7528\u7ebf\u6027\u67e5\u627e\u7b97\u6cd5\u67e5\u627e\u5b57\u7b26\u4e32\u4e2d\u6240\u6709\u51fa\u73b0\u6307\u5b9a\u5b50\u5b57\u7b26\u4e32\u7684\u4f4d\u7f6e\uff1a function find_all_occurences($str, $needle) { $pos = []; $i = 0; while (($i = strpos($str, $needle, $i)) !== false) { $pos[] 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