{"id":47393,"date":"2024-12-02T16:53:31","date_gmt":"2024-12-02T08:53:31","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47393\/"},"modified":"2024-12-02T16:53:31","modified_gmt":"2024-12-02T08:53:31","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e5%93%aa%e4%ba%9b%e5%8f%98%e9%87%8f%e7%b1%bb%e5%9e%8b%e5%8f%af%e4%bb%a5%e5%8c%85%e5%90%ab%e6%95%b0%e7%bb%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47393\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u54ea\u4e9b\u53d8\u91cf\u7c7b\u578b\u53ef\u4ee5\u5305\u542b\u6570\u7ec4\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u4e2d\u54ea\u4e9b\u53d8\u91cf\u7c7b\u578b\u53ef\u4ee5\u5305\u542b\u6570\u7ec4\uff1f<\/h1>\n<p>\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\u4e2d\u54ea\u4e9b\u53d8\u91cf\u7c7b\u578b\u53ef\u4ee5\u5305\u542b\u6570\u7ec4\uff1f\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<p>\u5728 PHP \u4e2d\uff0c\u4ee5\u4e0b\u53d8\u91cf\u7c7b\u578b\u53ef\u4ee5\u5305\u542b\u6570\u7ec4\uff1a\u6570\u7ec4\uff08array\uff09\u5bf9\u8c61\uff08object\uff09SPL \u56fa\u5b9a\u6570\u7ec4\uff08splFixedArray\uff09\u54c8\u5e0c\u6570\u7ec4\uff08ArrayObject\uff09<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729915590671c6ac68c900.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u4e2d\u54ea\u4e9b\u53d8\u91cf\u7c7b\u578b\u53ef\u4ee5\u5305\u542b\u6570\u7ec4\uff1f\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u4e2d\u54ea\u4e9b\u53d8\u91cf\u7c7b\u578b\u53ef\u4ee5\u5305\u542b\u6570\u7ec4\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u4e2d\u54ea\u4e9b\u53d8\u91cf\u7c7b\u578b\u53ef\u4ee5\u5305\u542b\u6570\u7ec4\uff1f<\/strong><\/p>\n<p><strong>\u5e8f\u8a00<\/strong><\/p>\n<p>\u5728 PHP \u4e2d\uff0c\u53d8\u91cf\u53ef\u4ee5\u5b58\u50a8\u5404\u79cd\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5305\u62ec\u6570\u7ec4\u3002\u6570\u7ec4\u662f\u4e00\u4e2a\u6709\u5e8f\u7684\u96c6\u5408\uff0c\u5141\u8bb8\u60a8\u5b58\u50a8\u591a\u4e2a\u503c\u3002\u4e86\u89e3\u54ea\u4e9b\u53d8\u91cf\u7c7b\u578b\u53ef\u4ee5\u5305\u542b\u6570\u7ec4\u5bf9\u4e8e\u5728 PHP \u7a0b\u5e8f\u4e2d\u6b63\u786e\u4f7f\u7528\u6570\u7ec4\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p><strong>\u53ef\u4ee5\u5305\u542b\u6570\u7ec4\u7684\u53d8\u91cf\u7c7b\u578b<\/strong><\/p>\n<p>\u5728 PHP \u4e2d\uff0c\u4ee5\u4e0b\u53d8\u91cf\u7c7b\u578b\u53ef\u4ee5\u5305\u542b\u6570\u7ec4\uff1a<\/p>\n<ul>\n<li><strong>\u6570\u7ec4\uff08array\uff09<\/strong>\uff1a\u663e\u5f0f\u521b\u5efa\u7684\u6570\u7ec4\u7c7b\u578b\u3002<\/li>\n<li><strong>\u5bf9\u8c61\uff08object\uff09<\/strong>\uff1a\u5bf9\u8c61\u53ef\u4ee5\u5305\u542b\u6570\u7ec4\u5c5e\u6027\u3002<\/li>\n<li><strong>SPL \u56fa\u5b9a\u6570\u7ec4\uff08splFixedArray\uff09<\/strong>\uff1a\u4e00\u79cd\u9ad8\u6548\u7684\u56fa\u5b9a\u5927\u5c0f\u6570\u7ec4\u3002<\/li>\n<li><strong>\u54c8\u5e0c\u6570\u7ec4\uff08ArrayObject\uff09<\/strong>\uff1a\u63d0\u4f9b\u989d\u5916\u7684\u6570\u7ec4\u529f\u80fd\uff0c\u4f8b\u5982\u8fed\u4ee3\u548c\u6392\u5e8f\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u53ef\u4ee5\u5728 PHP \u4e2d\u5305\u542b\u6570\u7ec4\u7684\u4e0d\u540c\u53d8\u91cf\u7c7b\u578b\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>\/\/ \u663e\u5f0f\u521b\u5efa\u7684\u6570\u7ec4\n$arr = ['foo', 'bar', 'baz'];\n\n\/\/ \u5bf9\u8c61\u5c5e\u6027\u6570\u7ec4\nclass MyClass {\n    public $arr = ['alpha', 'beta', 'gamma'];\n}\n$obj = new MyClass();\n\n\/\/ SPL \u56fa\u5b9a\u6570\u7ec4\n$fixedArr = new SplFixedArray(3);\n$fixedArr[0] = 1;\n$fixedArr[1] = 2;\n$fixedArr[2] = 3;\n\n\/\/ \u54c8\u5e0c\u6570\u7ec4\n$hashArr = new ArrayObject(['a' =&gt; 1, 'b' =&gt; 2, 'c' =&gt; 3]);<\/pre>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>\u5bf9\u4e8e\u53d8\u91cf\u53ef\u4ee5\u5305\u542b\u6570\u7ec4\u7684\u7c7b\u578b\u6709\u4e86\u6e05\u6670\u7684\u7406\u89e3\uff0c\u53ef\u4ee5\u5e2e\u52a9\u60a8\u5728 PHP \u7a0b\u5e8f\u4e2d\u6709\u6548\u4f7f\u7528\u6570\u7ec4\u3002\u4e86\u89e3\u6570\u7ec4\u5b58\u50a8\u548c\u7ba1\u7406\uff0c\u5bf9\u4e8e\u6784\u5efa\u9ad8\u6548\u4e14\u53ef\u7ef4\u62a4\u7684\u4ee3\u7801\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p>\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aPHP \u51fd\u6570\u4e2d\u54ea\u4e9b\u53d8\u91cf\u7c7b\u578b\u53ef\u4ee5\u5305\u542b\u6570\u7ec4\uff1f\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":"<p>PHP \u51fd\u6570\u4e2d\u54ea\u4e9b\u53d8\u91cf\u7c7b\u578b\u53ef\u4ee5\u5305\u542b\u6570\u7ec4\uff1f \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\u4e2d\u54ea\u4e9b\u53d8\u91cf\u7c7b\u578b\u53ef\u4ee5\u5305\u542b\u6570\u7ec4\uff1f\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 \u5728 PHP \u4e2d\uff0c\u4ee5\u4e0b\u53d8\u91cf\u7c7b\u578b\u53ef\u4ee5\u5305\u542b\u6570\u7ec4\uff1a\u6570\u7ec4\uff08array\uff09\u5bf9\u8c61\uff08object\uff09SPL \u56fa\u5b9a\u6570\u7ec4\uff08splFixedArray\uff09\u54c8\u5e0c\u6570\u7ec4\uff08ArrayObject\uff09 PHP \u4e2d\u54ea\u4e9b\u53d8\u91cf\u7c7b\u578b\u53ef\u4ee5\u5305\u542b\u6570\u7ec4\uff1f \u5e8f\u8a00 \u5728 PHP \u4e2d\uff0c\u53d8\u91cf\u53ef\u4ee5\u5b58\u50a8\u5404\u79cd\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5305\u62ec\u6570\u7ec4\u3002\u6570\u7ec4\u662f\u4e00\u4e2a\u6709\u5e8f\u7684\u96c6\u5408\uff0c\u5141\u8bb8\u60a8\u5b58\u50a8\u591a\u4e2a\u503c\u3002\u4e86\u89e3\u54ea\u4e9b\u53d8\u91cf\u7c7b\u578b\u53ef\u4ee5\u5305\u542b\u6570\u7ec4\u5bf9\u4e8e\u5728 PHP \u7a0b\u5e8f\u4e2d\u6b63\u786e\u4f7f\u7528\u6570\u7ec4\u81f3\u5173\u91cd\u8981\u3002 \u53ef\u4ee5\u5305\u542b\u6570\u7ec4\u7684\u53d8\u91cf\u7c7b\u578b \u5728 PHP \u4e2d\uff0c\u4ee5\u4e0b\u53d8\u91cf\u7c7b\u578b\u53ef\u4ee5\u5305\u542b\u6570\u7ec4\uff1a \u6570\u7ec4\uff08array\uff09\uff1a\u663e\u5f0f\u521b\u5efa\u7684\u6570\u7ec4\u7c7b\u578b\u3002 \u5bf9\u8c61\uff08object\uff09\uff1a\u5bf9\u8c61\u53ef\u4ee5\u5305\u542b\u6570\u7ec4\u5c5e\u6027\u3002 SPL \u56fa\u5b9a\u6570\u7ec4\uff08splFixedArray\uff09\uff1a\u4e00\u79cd\u9ad8\u6548\u7684\u56fa\u5b9a\u5927\u5c0f\u6570\u7ec4\u3002 \u54c8\u5e0c\u6570\u7ec4\uff08ArrayObject\uff09\uff1a\u63d0\u4f9b\u989d\u5916\u7684\u6570\u7ec4\u529f\u80fd\uff0c\u4f8b\u5982\u8fed\u4ee3\u548c\u6392\u5e8f\u3002 \u5b9e\u6218\u6848\u4f8b \u4ee5\u4e0b\u662f\u4e00\u4e9b\u53ef\u4ee5\u5728 PHP \u4e2d\u5305\u542b\u6570\u7ec4\u7684\u4e0d\u540c\u53d8\u91cf\u7c7b\u578b\u7684\u793a\u4f8b\uff1a \/\/ \u663e\u5f0f\u521b\u5efa\u7684\u6570\u7ec4 $arr = [&#8216;foo&#8217;, &#8216;bar&#8217;, &#8216;baz&#8217;]; 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