{"id":46744,"date":"2024-12-02T15:21:15","date_gmt":"2024-12-02T07:21:15","guid":{"rendered":"https:\/\/fwq.ai\/blog\/46744\/"},"modified":"2024-12-02T15:21:15","modified_gmt":"2024-12-02T07:21:15","slug":"php-%e5%87%bd%e6%95%b0%e4%b8%ad%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e5%bc%95%e7%94%a8%ef%bc%9a%e5%bb%b6%e8%bf%9f%e6%b1%82%e5%80%bc%e5%92%8c%e5%bc%95%e7%94%a8%e4%bc%a0%e9%80%92","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/46744\/","title":{"rendered":"PHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u5f15\u7528\uff1a\u5ef6\u8fdf\u6c42\u503c\u548c\u5f15\u7528\u4f20\u9012"},"content":{"rendered":"

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

PHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u5f15\u7528\uff1a\u5ef6\u8fdf\u6c42\u503c\u548c\u5f15\u7528\u4f20\u9012<\/h1>\n

\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<\/span>\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587\u300aPHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u5f15\u7528\uff1a\u5ef6\u8fdf\u6c42\u503c\u548c\u5f15\u7528\u4f20\u9012\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\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

PHP \u51fd\u6570\u4e2d\u4f7f\u7528\u5f15\u7528\u53ef\u4ee5\u4fee\u6539\u51fd\u6570\u5916\u90e8\u5b9a\u4e49\u7684\u53d8\u91cf\u3002\u5ef6\u8fdf\u6c42\u503c\uff08\u7528 & \u7b26\u53f7\u8868\u793a\uff09\u4f20\u9012\u539f\u59cb\u53d8\u91cf\u7684\u5f15\u7528\uff0c\u5141\u8bb8\u51fd\u6570\u4fee\u6539\u4f20\u9012\u7684\u53d8\u91cf\u3002\u5f15\u7528\u4f20\u9012\uff08\u4e5f\u7528 & \u7b26\u53f7\u8868\u793a\uff09\u5c06\u53d8\u91cf\u672c\u8eab\u4f20\u9012\u7ed9\u51fd\u6570\uff0c\u4efb\u4f55\u66f4\u6539\u90fd\u4f1a\u76f4\u63a5\u5f71\u54cd\u539f\u59cb\u53d8\u91cf\u3002<\/p>\n

\"PHP<\/p>\n

PHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u5f15\u7528\uff1a\u5ef6\u8fdf\u6c42\u503c\u548c\u5f15\u7528\u4f20\u9012<\/h2>\n

\u5f15\u7528\u5728 PHP \u51fd\u6570\u4e2d\u626e\u6f14\u7740\u81f3\u5173\u91cd\u8981\u7684\u89d2\u8272\uff0c\u5b83\u4eec\u5141\u8bb8\u5f00\u53d1\u8005\u4fee\u6539\u51fd\u6570\u5916\u90e8\u5b9a\u4e49\u7684\u53d8\u91cf\u3002\u672c\u6587\u5c06\u4ecb\u7ecd PHP \u51fd\u6570\u4e2d\u5f15\u7528\u7684\u673a\u5236\uff0c\u5305\u62ec\u5ef6\u8fdf\u6c42\u503c\u548c\u5f15\u7528\u4f20\u9012\u3002<\/p>\n

\u5ef6\u8fdf\u6c42\u503c<\/h3>\n

\u5ef6\u8fdf\u6c42\u503c\u662f\u4e00\u79cd\u5c06\u8ba1\u7b97\u63a8\u8fdf\u5230\u8868\u8fbe\u5f0f\u5b9e\u9645\u6267\u884c\u65f6\u7684\u6280\u672f\u3002\u5173\u4e8e\u5f15\u7528\u7684\u5ef6\u8fdf\u6c42\u503c\u7684\u6700\u4f73\u4f8b\u5b50\u662f PHP \u51fd\u6570\u4e2d\u7684 &<\/code> \u7b26\u53f7\u3002<\/p>\n

\u8003\u8651\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n

function increment($number) {\n  $number++;\n}\n\n$number = 5;\nincrement($number);\necho $number; \/\/ \u8f93\u51fa 5<\/pre>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cincrement<\/code> \u51fd\u6570\u63a5\u6536\u4e00\u4e2a\u503c\u7c7b\u578b\u7684\u53c2\u6570\uff0c\u8be5\u503c\u5728\u51fd\u6570\u5185\u88ab\u9012\u589e\u3002\u7136\u800c\uff0c\u7531\u4e8e\u6309\u503c\u4f20\u9012\uff0c\u51fd\u6570\u5185\u90e8\u7684\u66f4\u6539\u4e0d\u4f1a\u5f71\u54cd\u51fd\u6570\u5916\u90e8\u7684\u539f\u59cb\u53d8\u91cf\u3002<\/p>\n
\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5ef6\u8fdf\u6c42\u503c\uff1a<\/p>\n
function increment(&$number) {\n  $number++;\n}\n\n$number = 5;\nincrement($number);\necho $number; \/\/ \u8f93\u51fa 6<\/pre>\n
\u901a\u8fc7\u5728\u51fd\u6570\u53c2\u6570\u524d\u52a0\u4e0a &<\/code>\uff0c\u6211\u4eec\u4f20\u9012\u7684\u662f\u539f\u59cb\u53d8\u91cf\u7684\u5f15\u7528\uff0c\u800c\u4e0d\u662f\u503c\u7684\u526f\u672c\u3002\u8fd9\u5141\u8bb8\u51fd\u6570\u4fee\u6539\u4f20\u9012\u7684\u53d8\u91cf\u3002<\/p>\n
\u5f15\u7528\u4f20\u9012<\/h3>\n
\u5f15\u7528\u4f20\u9012\u662f\u4e00\u79cd\u5c06\u53d8\u91cf\u672c\u8eab\u800c\u4e0d\u662f\u5176\u503c\u7684\u526f\u672c\u4f20\u9012\u7ed9\u51fd\u6570\u7684\u6280\u672f\u3002\u5f15\u7528\u4f20\u9012\u901a\u8fc7\u5728\u51fd\u6570\u53c2\u6570\u524d\u4f7f\u7528 &<\/code> \u7b26\u53f7\u6765\u5b9e\u73b0\u3002<\/p>\n
\u4ee5\u4e0b\u4ee3\u7801\u8bf4\u660e\u4e86\u5f15\u7528\u4f20\u9012\uff1a<\/p>\n
function swap(&$a, &$b) {\n  $temp = $a;\n  $a = $b;\n  $b = $temp;\n}\n\n$a = 10;\n$b = 20;\nswap($a, $b);\necho \"a: $a, b: $b\"; \/\/ \u8f93\u51fa: a: 20, b: 10<\/pre>\n
\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cswap<\/code> \u51fd\u6570\u63a5\u6536\u4e24\u4e2a\u5f15\u7528\u53c2\u6570\uff0c\u8fd9\u610f\u5473\u7740\u51fd\u6570\u4e2d\u7684\u4efb\u4f55\u66f4\u6539\u90fd\u4f1a\u76f4\u63a5\u5f71\u54cd\u539f\u59cb\u53d8\u91cf\u3002<\/p>\n
\u5b9e\u6218\u6848\u4f8b<\/h3>\n
\u8003\u8651\u4e00\u4e2a\u7b80\u5355\u7684\u8d2d\u7269\u8f66\u7cfb\u7edf\u3002\u8d2d\u7269\u8f66\u5bf9\u8c61\u7ef4\u62a4\u4e00\u4e2a\u5305\u542b\u7269\u54c1\u53ca\u5176\u6570\u91cf\u7684\u6570\u7ec4\uff1a<\/p>\n
class ShoppingCart {\n  private array $items;\n\n  public function addItem(string $item, int $quantity) {\n    if (isset($this->items[$item])) {\n      $this->items[$item] += $quantity;\n    } else {\n      $this->items[$item] = $quantity;\n    }\n  }\n}<\/pre>\n
\u4e3a\u4e86\u5b58\u50a8\u7269\u54c1\u7684\u6570\u91cf\uff0c\u6211\u4eec\u4f7f\u7528 +=<\/code> \u64cd\u4f5c\u7b26\u3002\u7136\u800c\uff0c\u8fd9\u4e2a\u64cd\u4f5c\u7b26\u53ea\u9002\u7528\u4e8e\u6570\u503c\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u53ef\u4ee5\u5728 addItem<\/code> \u51fd\u6570\u4e2d\u4f20\u9012\u4e00\u4e2a\u5f15\u7528\u53c2\u6570\uff1a<\/p>\n
public function addItem(string $item, int& $quantity) {\n  if (isset($this->items[$item])) {\n    $this->items[$item] += $quantity;\n  } else {\n    $this->items[$item] = $quantity;\n  }\n\n  $quantity = 0;\n}<\/pre>\n
\u901a\u8fc7\u4f20\u9012\u5f15\u7528\uff0caddItem<\/code> \u51fd\u6570\u53ef\u4ee5\u76f4\u63a5\u4fee\u6539\u539f\u59cb\u6570\u91cf\u53d8\u91cf\uff0c\u4ece\u800c\u5141\u8bb8\u8d2d\u7269\u7cfb\u7edf\u5728\u6dfb\u52a0\u7269\u54c1\u65f6\u51cf\u5c11\u5176\u6570\u91cf\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u300aPHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u5f15\u7528\uff1a\u5ef6\u8fdf\u6c42\u503c\u548c\u5f15\u7528\u4f20\u9012\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8ephp,\u5f15\u7528\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
PHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u5f15\u7528\uff1a\u5ef6\u8fdf\u6c42\u503c\u548c\u5f15\u7528\u4f20\u9012 \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\u4e2d\u5982\u4f55\u4f7f\u7528\u5f15\u7528\uff1a\u5ef6\u8fdf\u6c42\u503c\u548c\u5f15\u7528\u4f20\u9012\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\u4e2d\u4f7f\u7528\u5f15\u7528\u53ef\u4ee5\u4fee\u6539\u51fd\u6570\u5916\u90e8\u5b9a\u4e49\u7684\u53d8\u91cf\u3002\u5ef6\u8fdf\u6c42\u503c\uff08\u7528 & \u7b26\u53f7\u8868\u793a\uff09\u4f20\u9012\u539f\u59cb\u53d8\u91cf\u7684\u5f15\u7528\uff0c\u5141\u8bb8\u51fd\u6570\u4fee\u6539\u4f20\u9012\u7684\u53d8\u91cf\u3002\u5f15\u7528\u4f20\u9012\uff08\u4e5f\u7528 & \u7b26\u53f7\u8868\u793a\uff09\u5c06\u53d8\u91cf\u672c\u8eab\u4f20\u9012\u7ed9\u51fd\u6570\uff0c\u4efb\u4f55\u66f4\u6539\u90fd\u4f1a\u76f4\u63a5\u5f71\u54cd\u539f\u59cb\u53d8\u91cf\u3002 PHP \u51fd\u6570\u4e2d\u5982\u4f55\u4f7f\u7528\u5f15\u7528\uff1a\u5ef6\u8fdf\u6c42\u503c\u548c\u5f15\u7528\u4f20\u9012 \u5f15\u7528\u5728 PHP \u51fd\u6570\u4e2d\u626e\u6f14\u7740\u81f3\u5173\u91cd\u8981\u7684\u89d2\u8272\uff0c\u5b83\u4eec\u5141\u8bb8\u5f00\u53d1\u8005\u4fee\u6539\u51fd\u6570\u5916\u90e8\u5b9a\u4e49\u7684\u53d8\u91cf\u3002\u672c\u6587\u5c06\u4ecb\u7ecd PHP \u51fd\u6570\u4e2d\u5f15\u7528\u7684\u673a\u5236\uff0c\u5305\u62ec\u5ef6\u8fdf\u6c42\u503c\u548c\u5f15\u7528\u4f20\u9012\u3002 \u5ef6\u8fdf\u6c42\u503c \u5ef6\u8fdf\u6c42\u503c\u662f\u4e00\u79cd\u5c06\u8ba1\u7b97\u63a8\u8fdf\u5230\u8868\u8fbe\u5f0f\u5b9e\u9645\u6267\u884c\u65f6\u7684\u6280\u672f\u3002\u5173\u4e8e\u5f15\u7528\u7684\u5ef6\u8fdf\u6c42\u503c\u7684\u6700\u4f73\u4f8b\u5b50\u662f PHP \u51fd\u6570\u4e2d\u7684 & \u7b26\u53f7\u3002 \u8003\u8651\u4ee5\u4e0b\u4ee3\u7801\uff1a function increment($number) { $number++; } $number = 5; increment($number); echo $number; \/\/ \u8f93\u51fa 5 \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cincrement \u51fd\u6570\u63a5\u6536\u4e00\u4e2a\u503c\u7c7b\u578b\u7684\u53c2\u6570\uff0c\u8be5\u503c\u5728\u51fd\u6570\u5185\u88ab\u9012\u589e\u3002\u7136\u800c\uff0c\u7531\u4e8e\u6309\u503c\u4f20\u9012\uff0c\u51fd\u6570\u5185\u90e8\u7684\u66f4\u6539\u4e0d\u4f1a\u5f71\u54cd\u51fd\u6570\u5916\u90e8\u7684\u539f\u59cb\u53d8\u91cf\u3002 \u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5ef6\u8fdf\u6c42\u503c\uff1a function increment(&$number) { $number++; } $number = 5; increment($number); echo $number; \/\/ \u8f93\u51fa 6 […]<\/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-46744","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46744","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=46744"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46744\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=46744"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=46744"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=46744"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}