{"id":47609,"date":"2024-12-02T12:14:18","date_gmt":"2024-12-02T04:14:18","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47609\/"},"modified":"2024-12-02T12:14:18","modified_gmt":"2024-12-02T04:14:18","slug":"php%e5%87%bd%e6%95%b0%e5%a6%82%e4%bd%95%e5%a4%84%e7%90%86%e4%b8%8d%e5%ae%9a%e9%95%bf%e5%8f%82%e6%95%b0%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47609\/","title":{"rendered":"PHP\u51fd\u6570\u5982\u4f55\u5904\u7406\u4e0d\u5b9a\u957f\u53c2\u6570\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP\u51fd\u6570\u5982\u4f55\u5904\u7406\u4e0d\u5b9a\u957f\u53c2\u6570\uff1f<\/h1>\n<p>\u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP\u51fd\u6570\u5982\u4f55\u5904\u7406\u4e0d\u5b9a\u957f\u53c2\u6570\uff1f\u300b<\/span>\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01<\/p>\n<p>PHP \u51fd\u6570\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u53ef\u53d8\u51fd\u6570\u53c2\u6570\u6765\u5904\u7406\u4e0d\u5b9a\u957f\u53c2\u6570\uff0c\u53ef\u53d8\u53c2\u6570\u8bed\u6cd5\u5728\u51fd\u6570\u58f0\u660e\u4e2d\u4f7f\u7528\u4e09\u4e2a\u70b9 (&#8230;)\u3002\u901a\u8fc7\u4e0d\u5b9a\u957f\u53c2\u6570\uff0c\u51fd\u6570\u53ef\u4ee5\u63a5\u6536\u53ef\u53d8\u6570\u91cf\u7684\u53c2\u6570\uff0c\u8fd9\u4e9b\u53c2\u6570\u5728\u51fd\u6570\u4f53\u5185\u4ee5\u6570\u7ec4\u5f62\u5f0f\u5b58\u50a8\uff0c\u5e76\u53ef\u901a\u8fc7\u7d22\u5f15\u6216 foreach \u5faa\u73af\u8bbf\u95ee\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729925622671c91f6e12d3.jpg\" class=\"aligncenter\" title=\"PHP\u51fd\u6570\u5982\u4f55\u5904\u7406\u4e0d\u5b9a\u957f\u53c2\u6570\uff1f\u63d2\u56fe\" alt=\"PHP\u51fd\u6570\u5982\u4f55\u5904\u7406\u4e0d\u5b9a\u957f\u53c2\u6570\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u5982\u4f55\u5904\u7406\u4e0d\u5b9a\u957f\u53c2\u6570\uff1f<\/strong><\/p>\n<p>PHP \u51fd\u6570\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u53ef\u53d8\u51fd\u6570\u53c2\u6570 (variable-length function arguments) \u6765\u5904\u7406\u4e0d\u5b9a\u957f\u53c2\u6570\uff0c\u8fd9\u79cd\u7279\u6027\u5141\u8bb8\u51fd\u6570\u63a5\u6536\u53ef\u53d8\u6570\u91cf\u7684\u53c2\u6570\u3002<\/p>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<p>\u5728\u51fd\u6570\u58f0\u660e\u4e2d\uff0c\u4f7f\u7528\u4e09\u4e2a\u70b9 (&#8230;) \u6765\u8868\u793a\u4e0d\u5b9a\u957f\u53c2\u6570\uff1a<\/p>\n<pre>function myFunction(...$args) {\n  \/\/ \u64cd\u4f5c\u53c2\u6570\n}<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u5047\u8bbe\u8ba1\u7b97\u4e00\u4e2a\u5217\u8868\u4e2d\u6240\u6709\u6570\u5b57\u7684\u548c\uff0c\u6211\u4eec\u4f7f\u7528\u4e0d\u5b9a\u957f\u53c2\u6570\u6765\u5b9e\u73b0\u4e00\u4e2a\u51fd\u6570\uff1a<\/p>\n<pre>function sumNumbers(...$numbers) {\n  $sum = 0;\n  foreach ($numbers as $num) {\n    $sum += $num;\n  }\n  return $sum;\n}\n\n$result = sumNumbers(1, 2, 3, 4, 5); \/\/ \u7ed3\u679c\u4e3a 15<\/pre>\n<p><strong>\u8bbf\u95ee\u4e0d\u5b9a\u957f\u53c2\u6570<\/strong><\/p>\n<p>\u4e0d\u5b9a\u957f\u53c2\u6570\u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a\u6570\u7ec4\uff0c\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u6216\u4f7f\u7528 foreach \u5faa\u73af\u6765\u904d\u5386\uff1a<\/p>\n<pre>function displayNames(...$names) {\n  echo \"Names:\";\n  foreach ($names as $name) {\n    echo \" $name\";\n  }\n}\n\ndisplayNames(\"John\", \"Jane\", \"Bob\"); \/\/ \u8f93\u51fa: \"Names: John Jane Bob\"<\/pre>\n<p><strong>\u6ce8\u610f<\/strong><\/p>\n<ul>\n<li>\u4e0d\u5b9a\u957f\u53c2\u6570\u5fc5\u987b\u58f0\u660e\u4e3a\u51fd\u6570\u7684\u6700\u540e\u4e00\u4e2a\u53c2\u6570\u3002<\/li>\n<li>\u53ea\u80fd\u6709\u4e00\u4e2a\u4e0d\u5b9a\u957f\u53c2\u6570\u3002<\/li>\n<li>\u4e0d\u5b9a\u957f\u53c2\u6570\u4e0d\u4f1a\u5728\u51fd\u6570\u4f53\u5185\u81ea\u52a8\u8f6c\u6362\u4e3a\u6570\u7ec4\uff0c\u9700\u8981\u624b\u52a8\u904d\u5386\u6216\u4f7f\u7528 array() \u8f6c\u6362\u4e3a\u6570\u7ec4\u3002<\/li>\n<\/ul>\n<p>\u672c\u7bc7\u5173\u4e8e\u300aPHP\u51fd\u6570\u5982\u4f55\u5904\u7406\u4e0d\u5b9a\u957f\u53c2\u6570\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP\u51fd\u6570\u5982\u4f55\u5904\u7406\u4e0d\u5b9a\u957f\u53c2\u6570\uff1f \u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60\u6587\u7ae0\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587\u300aPHP\u51fd\u6570\u5982\u4f55\u5904\u7406\u4e0d\u5b9a\u957f\u53c2\u6570\uff1f\u300b\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0\u6587\u7ae0\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01 PHP \u51fd\u6570\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u53ef\u53d8\u51fd\u6570\u53c2\u6570\u6765\u5904\u7406\u4e0d\u5b9a\u957f\u53c2\u6570\uff0c\u53ef\u53d8\u53c2\u6570\u8bed\u6cd5\u5728\u51fd\u6570\u58f0\u660e\u4e2d\u4f7f\u7528\u4e09\u4e2a\u70b9 (&#8230;)\u3002\u901a\u8fc7\u4e0d\u5b9a\u957f\u53c2\u6570\uff0c\u51fd\u6570\u53ef\u4ee5\u63a5\u6536\u53ef\u53d8\u6570\u91cf\u7684\u53c2\u6570\uff0c\u8fd9\u4e9b\u53c2\u6570\u5728\u51fd\u6570\u4f53\u5185\u4ee5\u6570\u7ec4\u5f62\u5f0f\u5b58\u50a8\uff0c\u5e76\u53ef\u901a\u8fc7\u7d22\u5f15\u6216 foreach \u5faa\u73af\u8bbf\u95ee\u3002 PHP \u51fd\u6570\u5982\u4f55\u5904\u7406\u4e0d\u5b9a\u957f\u53c2\u6570\uff1f PHP \u51fd\u6570\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u53ef\u53d8\u51fd\u6570\u53c2\u6570 (variable-length function arguments) \u6765\u5904\u7406\u4e0d\u5b9a\u957f\u53c2\u6570\uff0c\u8fd9\u79cd\u7279\u6027\u5141\u8bb8\u51fd\u6570\u63a5\u6536\u53ef\u53d8\u6570\u91cf\u7684\u53c2\u6570\u3002 \u8bed\u6cd5 \u5728\u51fd\u6570\u58f0\u660e\u4e2d\uff0c\u4f7f\u7528\u4e09\u4e2a\u70b9 (&#8230;) \u6765\u8868\u793a\u4e0d\u5b9a\u957f\u53c2\u6570\uff1a function myFunction(&#8230;$args) { \/\/ \u64cd\u4f5c\u53c2\u6570 } \u5b9e\u6218\u6848\u4f8b \u5047\u8bbe\u8ba1\u7b97\u4e00\u4e2a\u5217\u8868\u4e2d\u6240\u6709\u6570\u5b57\u7684\u548c\uff0c\u6211\u4eec\u4f7f\u7528\u4e0d\u5b9a\u957f\u53c2\u6570\u6765\u5b9e\u73b0\u4e00\u4e2a\u51fd\u6570\uff1a function sumNumbers(&#8230;$numbers) { $sum = 0; foreach ($numbers as $num) { $sum += $num; } return $sum; } $result = sumNumbers(1, 2, 3, 4, 5); \/\/ \u7ed3\u679c\u4e3a 15 [&hellip;]<\/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-47609","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47609","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=47609"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47609\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}