{"id":48412,"date":"2024-12-02T17:36:31","date_gmt":"2024-12-02T09:36:31","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48412\/"},"modified":"2024-12-02T17:36:31","modified_gmt":"2024-12-02T09:36:31","slug":"php%e5%87%bd%e6%95%b0%e5%86%85%e5%ad%98%e7%ae%a1%e7%90%86%e8%bf%9b%e9%98%b6%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48412\/","title":{"rendered":"php\u51fd\u6570\u5185\u5b58\u7ba1\u7406\u8fdb\u9636\u6280\u5de7"},"content":{"rendered":"

<\/b> <\/p>\n

php\u51fd\u6570\u5185\u5b58\u7ba1\u7406\u8fdb\u9636\u6280\u5de7<\/h1>\n

\u77e5\u8bc6\u70b9\u638c\u63e1\u4e86\uff0c\u8fd8\u9700\u8981\u4e0d\u65ad\u7ec3\u4e60\u624d\u80fd\u719f\u7ec3\u8fd0\u7528\u3002\u4e0b\u9762\u7c73\u4e91\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u4e2a\u6587\u7ae0\u5f00\u53d1\u5b9e\u6218\uff0c\u624b\u628a\u624b\u6559\u5927\u5bb6\u5b66\u4e60\u300aphp\u51fd\u6570\u5185\u5b58\u7ba1\u7406\u8fdb\u9636\u6280\u5de7\u300b\uff0c\u5728\u5b9e\u73b0\u529f\u80fd\u7684\u8fc7\u7a0b\u4e2d\u4e5f\u5e26\u5927\u5bb6\u91cd\u65b0\u6e29\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6e29\u6545\u800c\u77e5\u65b0\uff0c\u56de\u5934\u770b\u770b\u8bf4\u4e0d\u5b9a\u53c8\u6709\u4e0d\u4e00\u6837\u7684\u611f\u609f\uff01<\/p>\n

\u4e3a\u4e86\u4f18\u5316\u51fd\u6570\u5185\u5b58\u4f7f\u7528\uff0c\u9ad8\u7ea7\u6280\u5de7\u5305\u62ec\uff1a\u4f20\u9012\u5f15\u7528\uff1a\u4f20\u9012\u5f15\u7528\u53ef\u907f\u514d\u590d\u5236\u5927\u5bf9\u8c61\uff0c\u91ca\u653e\u5185\u5b58\u3002\u91ca\u653e\u672a\u4f7f\u7528\u7684\u53d8\u91cf\uff1a\u4f7f\u7528 unset() \u91ca\u653e\u672a\u4f7f\u7528\u7684\u53d8\u91cf\u3002\u4f7f\u7528\u6301\u4e45\u53d8\u91cf\uff1a\u58f0\u660e static \u53d8\u91cf\u53ef\u5728\u51fd\u6570\u8c03\u7528\u95f4 \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u0442\u044c\u503c\uff0c\u51cf\u5c11\u5185\u5b58\u5206\u914d\u3002\u4f18\u5316\u5faa\u73af\uff1a\u4f7f\u7528 foreach() \u4ee3\u66ff for()\uff0c\u904d\u5386\u5927\u578b\u6570\u636e\u4f7f\u7528\u751f\u6210\u5668\u3002<\/p>\n

\"php\u51fd\u6570\u5185\u5b58\u7ba1\u7406\u8fdb\u9636\u6280\u5de7\u63d2\u56fe\"<\/p>\n

PHP \u51fd\u6570\u5185\u5b58\u7ba1\u7406\u8fdb\u9636\u6280\u5de7<\/strong><\/p>\n

\u5728 PHP \u4e2d\uff0c\u59a5\u5584\u7ba1\u7406\u5185\u5b58\u5bf9\u4e8e\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u9ad8\u7ea7\u6280\u5de7\uff0c\u53ef\u5e2e\u52a9\u60a8\u4f18\u5316\u51fd\u6570\u5185\u5b58\u4f7f\u7528\uff1a<\/p>\n

\u4f7f\u7528\u4f20\u9012\u5f15\u7528<\/strong><\/p>\n

\u4f20\u9012\u5f15\u7528\u53ef\u4ee5\u907f\u514d\u5728\u51fd\u6570\u4e2d\u590d\u5236\u6570\u7ec4\u548c\u5176\u4ed6\u5927\u5bf9\u8c61\uff0c\u4ece\u800c\u8282\u7701\u5185\u5b58\u3002\u4f7f\u7528 & \u7b26\u53f7\u4f20\u9012\u5f15\u7528\uff0c\u4f8b\u5982\uff1a<\/p>\n

function modifyArray(array &$arr) {\n    $arr[] = 'new value';\n}<\/pre>\n
\u91ca\u653e\u672a\u4f7f\u7528\u7684\u53d8\u91cf<\/strong><\/p>\n
\u5728\u51fd\u6570\u5185\uff0c\u91ca\u653e\u672a\u4f7f\u7528\u7684\u53d8\u91cf\u5c06\u6709\u52a9\u4e8e\u91ca\u653e\u5b83\u4eec\u5360\u7528\u7684\u5185\u5b58\u3002\u4f7f\u7528 unset() \u51fd\u6570\uff0c\u4f8b\u5982\uff1a<\/p>\n
function example() {\n    $temp = ['data', 'more_data'];\n    \/\/ ...\u4f7f\u7528 $temp ...\n    unset($temp);\n}<\/pre>\n
\u4f7f\u7528\u6301\u4e45\u53d8\u91cf<\/strong><\/p>\n
\u6301\u4e45\u53d8\u91cf\u53ef\u4ee5\u5728\u51fd\u6570\u8c03\u7528\u4e4b\u95f4\u4fdd\u6301\u5176\u503c\uff0c\u8fd9\u662f\u51cf\u5c11\u5185\u5b58\u5206\u914d\u7684\u4e00\u79cd\u6709\u6548\u65b9\u5f0f\u3002\u4f7f\u7528 static \u5173\u952e\u5b57\u58f0\u660e\u6301\u4e45\u53d8\u91cf\uff0c\u4f8b\u5982\uff1a<\/p>\n
function counter() {\n    static $count = 0;\n    return ++$count;\n}<\/pre>\n
\u4f18\u5316\u5faa\u73af<\/strong><\/p>\n
\u5faa\u73af\u4f1a\u5728\u5185\u5b58\u4e2d\u6d88\u8017\u5927\u91cf\u7a7a\u95f4\u3002\u4f18\u5316\u5faa\u73af\u4ee5\u4e0b\u6280\u5de7\uff1a<\/p>\n
    \n
  • \u907f\u514d\u9010\u4e2a\u5143\u7d20\u590d\u5236\u6570\u7ec4<\/li>\n
  • \u4f7f\u7528 foreach() \u4ee3\u66ff for() \u5faa\u73af<\/li>\n
  • \u4f7f\u7528\u751f\u6210\u5668\u904d\u5386\u5927\u578b\u6570\u636e\u96c6<\/li>\n<\/ul>\n
    \u4f8b\u5982\uff0c\u4ee5\u4e0b\u662f\u4f18\u5316\u540e\u7684\u5faa\u73af\uff1a<\/p>\n
    foreach ($array as &$value) {\n    \/\/ ...\u64cd\u4f5c\u503c...\n}<\/pre>\n
    \u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
    \u8003\u8651\u5230\u4ee5\u4e0b\u51fd\u6570\uff1a<\/p>\n
    function printSearchResults($results) {\n    foreach ($results as $result) {\n        \/\/ ...\u5904\u7406\u6bcf\u4e2a\u7ed3\u679c...\n    }\n}<\/pre>\n
    \u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4f20\u9012\u5f15\u7528\uff0c\u907f\u514d\u5728\u5faa\u73af\u4e2d\u590d\u5236\u5927\u578b\u7ed3\u679c\u6570\u7ec4\uff0c\u4ece\u800c\u4f18\u5316\u6b64\u51fd\u6570\uff1a<\/p>\n
    function printSearchResults(array &$results) {\n    foreach ($results as &$result) {\n        \/\/ ...\u5904\u7406\u6bcf\u4e2a\u7ed3\u679c...\n    }\n}<\/pre>\n
    \u5982\u6b64\u4f18\u5316\u540e\uff0c\u8be5\u51fd\u6570\u5c06\u66f4\u6709\u6548\u5730\u5904\u7406\u5927\u578b\u641c\u7d22\u7ed3\u679c\uff0c\u51cf\u5c11\u5185\u5b58\u4f7f\u7528\u3002<\/p>\n
    \u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aphp\u51fd\u6570\u5185\u5b58\u7ba1\u7406\u8fdb\u9636\u6280\u5de7\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6587\u7ae0\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    php\u51fd\u6570\u5185\u5b58\u7ba1\u7406\u8fdb\u9636\u6280\u5de7 \u77e5\u8bc6\u70b9\u638c\u63e1\u4e86\uff0c\u8fd8\u9700\u8981\u4e0d\u65ad\u7ec3\u4e60\u624d\u80fd\u719f\u7ec3\u8fd0\u7528\u3002\u4e0b\u9762\u7c73\u4e91\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u4e2a\u6587\u7ae0\u5f00\u53d1\u5b9e\u6218\uff0c\u624b\u628a\u624b\u6559\u5927\u5bb6\u5b66\u4e60\u300aphp\u51fd\u6570\u5185\u5b58\u7ba1\u7406\u8fdb\u9636\u6280\u5de7\u300b\uff0c\u5728\u5b9e\u73b0\u529f\u80fd\u7684\u8fc7\u7a0b\u4e2d\u4e5f\u5e26\u5927\u5bb6\u91cd\u65b0\u6e29\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6e29\u6545\u800c\u77e5\u65b0\uff0c\u56de\u5934\u770b\u770b\u8bf4\u4e0d\u5b9a\u53c8\u6709\u4e0d\u4e00\u6837\u7684\u611f\u609f\uff01 \u4e3a\u4e86\u4f18\u5316\u51fd\u6570\u5185\u5b58\u4f7f\u7528\uff0c\u9ad8\u7ea7\u6280\u5de7\u5305\u62ec\uff1a\u4f20\u9012\u5f15\u7528\uff1a\u4f20\u9012\u5f15\u7528\u53ef\u907f\u514d\u590d\u5236\u5927\u5bf9\u8c61\uff0c\u91ca\u653e\u5185\u5b58\u3002\u91ca\u653e\u672a\u4f7f\u7528\u7684\u53d8\u91cf\uff1a\u4f7f\u7528 unset() \u91ca\u653e\u672a\u4f7f\u7528\u7684\u53d8\u91cf\u3002\u4f7f\u7528\u6301\u4e45\u53d8\u91cf\uff1a\u58f0\u660e static \u53d8\u91cf\u53ef\u5728\u51fd\u6570\u8c03\u7528\u95f4 \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u0442\u044c\u503c\uff0c\u51cf\u5c11\u5185\u5b58\u5206\u914d\u3002\u4f18\u5316\u5faa\u73af\uff1a\u4f7f\u7528 foreach() \u4ee3\u66ff for()\uff0c\u904d\u5386\u5927\u578b\u6570\u636e\u4f7f\u7528\u751f\u6210\u5668\u3002 PHP \u51fd\u6570\u5185\u5b58\u7ba1\u7406\u8fdb\u9636\u6280\u5de7 \u5728 PHP \u4e2d\uff0c\u59a5\u5584\u7ba1\u7406\u5185\u5b58\u5bf9\u4e8e\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u9ad8\u7ea7\u6280\u5de7\uff0c\u53ef\u5e2e\u52a9\u60a8\u4f18\u5316\u51fd\u6570\u5185\u5b58\u4f7f\u7528\uff1a \u4f7f\u7528\u4f20\u9012\u5f15\u7528 \u4f20\u9012\u5f15\u7528\u53ef\u4ee5\u907f\u514d\u5728\u51fd\u6570\u4e2d\u590d\u5236\u6570\u7ec4\u548c\u5176\u4ed6\u5927\u5bf9\u8c61\uff0c\u4ece\u800c\u8282\u7701\u5185\u5b58\u3002\u4f7f\u7528 & \u7b26\u53f7\u4f20\u9012\u5f15\u7528\uff0c\u4f8b\u5982\uff1a function modifyArray(array &$arr) { $arr[] = ‘new value’; } \u91ca\u653e\u672a\u4f7f\u7528\u7684\u53d8\u91cf \u5728\u51fd\u6570\u5185\uff0c\u91ca\u653e\u672a\u4f7f\u7528\u7684\u53d8\u91cf\u5c06\u6709\u52a9\u4e8e\u91ca\u653e\u5b83\u4eec\u5360\u7528\u7684\u5185\u5b58\u3002\u4f7f\u7528 unset() \u51fd\u6570\uff0c\u4f8b\u5982\uff1a function example() { $temp = [‘data’, ‘more_data’]; \/\/ …\u4f7f\u7528 $temp … unset($temp); } \u4f7f\u7528\u6301\u4e45\u53d8\u91cf \u6301\u4e45\u53d8\u91cf\u53ef\u4ee5\u5728\u51fd\u6570\u8c03\u7528\u4e4b\u95f4\u4fdd\u6301\u5176\u503c\uff0c\u8fd9\u662f\u51cf\u5c11\u5185\u5b58\u5206\u914d\u7684\u4e00\u79cd\u6709\u6548\u65b9\u5f0f\u3002\u4f7f\u7528 static \u5173\u952e\u5b57\u58f0\u660e\u6301\u4e45\u53d8\u91cf\uff0c\u4f8b\u5982\uff1a function counter() { static $count […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-48412","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48412","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=48412"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48412\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48412"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48412"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}