{"id":47308,"date":"2024-12-02T15:44:33","date_gmt":"2024-12-02T07:44:33","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47308\/"},"modified":"2024-12-02T15:44:33","modified_gmt":"2024-12-02T07:44:33","slug":"%e5%a6%82%e4%bd%95%e7%bc%96%e5%86%99%e4%b8%80%e4%b8%aa%e5%8f%af%e7%bb%b4%e6%8a%a4%e7%9a%84-php-%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47308\/","title":{"rendered":"\u5982\u4f55\u7f16\u5199\u4e00\u4e2a\u53ef\u7ef4\u62a4\u7684 PHP \u51fd\u6570"},"content":{"rendered":"

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

\u5982\u4f55\u7f16\u5199\u4e00\u4e2a\u53ef\u7ef4\u62a4\u7684 PHP \u51fd\u6570<\/h1>\n

\u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728\u6587\u7ae0\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300a\u5982\u4f55\u7f16\u5199\u4e00\u4e2a\u53ef\u7ef4\u62a4\u7684 PHP \u51fd\u6570\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/p>\n

\u7f16\u5199\u53ef\u7ef4\u62a4 PHP \u51fd\u6570\u7684\u6700\u4f73\u505a\u6cd5\uff1a\u4fdd\u6301\u5355\u4e00\u804c\u8d23\u4f7f\u7528\u63cf\u8ff0\u6027\u53d8\u91cf\u548c\u51fd\u6570\u540d\u79f0\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u5904\u7406\u9519\u8bef\u6d4b\u8bd5\u51fd\u6570<\/p>\n

\"\u5982\u4f55\u7f16\u5199\u4e00\u4e2a\u53ef\u7ef4\u62a4\u7684<\/p>\n

\u5982\u4f55\u7f16\u5199\u4e00\u4e2a\u53ef\u7ef4\u62a4\u7684 PHP \u51fd\u6570<\/h2>\n

\u7f16\u5199\u53ef\u7ef4\u62a4\u7684\u51fd\u6570\u5bf9\u4e8e\u4fdd\u6301\u4ee3\u7801\u5e93\u7684\u6574\u6d01\u548c\u53ef\u8bfb\u6027\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7f16\u5199\u53ef\u7ef4\u62a4 PHP \u51fd\u6570\u7684\u6700\u4f73\u505a\u6cd5\uff1a<\/p>\n

1. \u4fdd\u6301\u5355\u4e00\u804c\u8d23<\/h3>\n

\u6bcf\u4e2a PHP \u51fd\u6570\u5e94\u53ea\u5b8c\u6210\u4e00\u4ef6\u4e8b\uff0c\u4ee5\u63d0\u9ad8\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u907f\u514d\u7f16\u5199\u8fc7\u957f\u7684\u51fd\u6570\uff0c\u5176\u4e2d\u5305\u542b\u591a\u4e2a\u64cd\u4f5c\u3002<\/p>\n

\u793a\u4f8b\uff1a<\/strong><\/p>\n

function calculate_total($items, $tax_rate) {\n  $total = 0;\n  foreach ($items as $item) {\n    $total += $item->getPrice();\n  }\n  return $total * $tax_rate;\n}<\/pre>\n
2. \u4f7f\u7528 descriptively \u53d8\u91cf\u548c\u51fd\u6570\u540d\u79f0<\/h3>\n
\u53d8\u91cf\u548c\u51fd\u6570\u540d\u79f0\u5e94\u6e05\u6670\u7b80\u6d01\uff0c\u51c6\u786e\u63cf\u8ff0\u5b83\u4eec\u7684\u7528\u9014\u3002\u907f\u514d\u4f7f\u7528\u7f29\u5199\u6216\u6a21\u7cca\u7684\u540d\u79f0\u3002<\/p>\n
\u793a\u4f8b\uff1a<\/strong><\/p>\n
\/\/ \u4e0d\u597d\nfunction f($a, $b, $c) { ... }\n\n\/\/ \u597d\nfunction calculateDiscount($amount, $rate) { ... }\n\n\/\/ \u4e0d\u597d\n$x;\n\n\/\/ \u597d\n$grandTotal;<\/pre>\n
3. \u4f7f\u7528\u7c7b\u578b\u63d0\u793a<\/h3>\n
\u7c7b\u578b\u63d0\u793a\uff08PHP 7+\uff09\u53ef\u4ee5\u5e2e\u52a9\u8bc6\u522b\u51fd\u6570\u7684\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7684\u6570\u636e\u7c7b\u578b\u3002\u8fd9\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u5e76\u51cf\u5c11\u9519\u8bef\u3002<\/p>\n
\u793a\u4f8b\uff1a<\/strong><\/p>\n
function addNumbers(int $a, int $b): int {\n  return $a + $b;\n}<\/pre>\n
4. \u5904\u7406\u9519\u8bef<\/h3>\n
\u4ed4\u7ec6\u5904\u7406\u51fd\u6570\u4e2d\u7684\u9519\u8bef\u81f3\u5173\u91cd\u8981\u3002\u4e0d\u8981\u4ec5\u4ec5\u4f9d\u8d56\u4e8e PHP \u7684\u9519\u8bef\u5904\u7406\u673a\u5236\u3002\u660e\u786e\u6355\u83b7\u5f02\u5e38\u5e76\u4f7f\u7528\u6709\u610f\u4e49\u7684\u4fe1\u606f\u63d0\u4f9b\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n
\u793a\u4f8b\uff1a<\/strong><\/p>\n
function createOrder($data): void {\n  try {\n    $order = new Order($data);\n    $order->save();\n  } catch (Exception $e) {\n    throw new OrderCreationException($e->getMessage());\n  }\n}<\/pre>\n
5. \u6d4b\u8bd5\u4f60\u7684\u51fd\u6570<\/h3>\n
\u901a\u8fc7\u7f16\u5199\u5355\u5143\u6d4b\u8bd5\u6765\u6d4b\u8bd5\u4f60\u7684\u51fd\u6570\u3002\u8fd9\u53ef\u4ee5\u786e\u4fdd\u4f60\u7684\u51fd\u6570\u6309\u9884\u671f\u5de5\u4f5c\uff0c\u5e76\u51cf\u5c11\u4ee5\u540e\u51fa\u73b0\u95ee\u9898\u7684\u53ef\u80fd\u6027\u3002<\/p>\n
\u793a\u4f8b\uff1a<\/strong><\/p>\n
namespace Tests;\n\nuse PHPUnit\\Framework\\TestCase;\n\nclass PHPFunctionsTest extends TestCase {\n\n  public function testCalculateTotal() {\n    $items = [\n      ['price' => 10],\n      ['price' => 5]\n    ];\n    $total = calculate_total($items, 0.1);\n    $this->assertEquals(15, $total);\n  }\n\n}<\/pre>\n
\u5b9e\u6218\u6848\u4f8b<\/h3>\n
\u4efb\u52a1\uff1a<\/strong>\u7f16\u5199\u4e00\u4e2a\u8ba1\u7b97\u5b57\u7b26\u4e32\u4e2d\u5b57\u7b26\u6570\u91cf\u7684 PHP \u51fd\u6570\u3002<\/p>\n
\u53ef\u7ef4\u62a4\u7684\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n
function countCharacters(string $string): int {\n  return strlen($string);\n}<\/pre>\n
\u8fd9\u4e2a\u51fd\u6570\u7b26\u5408\u6240\u6709\u6700\u4f73\u5b9e\u8df5\uff1a<\/p>\n
    \n
  • \u5355\u4e00\u804c\u8d23\uff1a<\/strong>\u4ec5\u8ba1\u7b97\u5b57\u7b26\u6570\u91cf<\/li>\n
  • \u63cf\u8ff0\u6027\u540d\u79f0\uff1a<\/strong>\u547d\u540d\u6e05\u6670\u6613\u61c2<\/li>\n
  • \u907f\u514d\u9519\u8bef\uff1a<\/strong>\u8fd4\u56de\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u800c\u4e0d\u662f\u9519\u8bef\u4fe1\u606f<\/li>\n
  • \u5355\u5143\u6d4b\u8bd5\uff1a<\/strong>\u5df2\u5305\u542b\u6d4b\u8bd5\u4ee3\u7801<\/li>\n<\/ul>\n
    \u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u539f\u5219\uff0c\u4f60\u53ef\u4ee5\u7f16\u5199\u51fa\u53ef\u7ef4\u62a4\u4e14\u6613\u4e8e\u9605\u8bfb\u7684 PHP \u51fd\u6570\u3002<\/p>\n
    \u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u7f16\u5199\u4e00\u4e2a\u53ef\u7ef4\u62a4\u7684 PHP \u51fd\u6570\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u7c73\u4e91\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5982\u4f55\u7f16\u5199\u4e00\u4e2a\u53ef\u7ef4\u62a4\u7684 PHP \u51fd\u6570 \u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728\u6587\u7ae0\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300a\u5982\u4f55\u7f16\u5199\u4e00\u4e2a\u53ef\u7ef4\u62a4\u7684 PHP \u51fd\u6570\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~ \u7f16\u5199\u53ef\u7ef4\u62a4 PHP \u51fd\u6570\u7684\u6700\u4f73\u505a\u6cd5\uff1a\u4fdd\u6301\u5355\u4e00\u804c\u8d23\u4f7f\u7528\u63cf\u8ff0\u6027\u53d8\u91cf\u548c\u51fd\u6570\u540d\u79f0\u4f7f\u7528\u7c7b\u578b\u63d0\u793a\u5904\u7406\u9519\u8bef\u6d4b\u8bd5\u51fd\u6570 \u5982\u4f55\u7f16\u5199\u4e00\u4e2a\u53ef\u7ef4\u62a4\u7684 PHP \u51fd\u6570 \u7f16\u5199\u53ef\u7ef4\u62a4\u7684\u51fd\u6570\u5bf9\u4e8e\u4fdd\u6301\u4ee3\u7801\u5e93\u7684\u6574\u6d01\u548c\u53ef\u8bfb\u6027\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7f16\u5199\u53ef\u7ef4\u62a4 PHP \u51fd\u6570\u7684\u6700\u4f73\u505a\u6cd5\uff1a 1. \u4fdd\u6301\u5355\u4e00\u804c\u8d23 \u6bcf\u4e2a PHP \u51fd\u6570\u5e94\u53ea\u5b8c\u6210\u4e00\u4ef6\u4e8b\uff0c\u4ee5\u63d0\u9ad8\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u907f\u514d\u7f16\u5199\u8fc7\u957f\u7684\u51fd\u6570\uff0c\u5176\u4e2d\u5305\u542b\u591a\u4e2a\u64cd\u4f5c\u3002 \u793a\u4f8b\uff1a function calculate_total($items, $tax_rate) { $total = 0; foreach ($items as $item) { $total += $item->getPrice(); } return $total * $tax_rate; } 2. \u4f7f\u7528 descriptively \u53d8\u91cf\u548c\u51fd\u6570\u540d\u79f0 \u53d8\u91cf\u548c\u51fd\u6570\u540d\u79f0\u5e94\u6e05\u6670\u7b80\u6d01\uff0c\u51c6\u786e\u63cf\u8ff0\u5b83\u4eec\u7684\u7528\u9014\u3002\u907f\u514d\u4f7f\u7528\u7f29\u5199\u6216\u6a21\u7cca\u7684\u540d\u79f0\u3002 \u793a\u4f8b\uff1a \/\/ \u4e0d\u597d function f($a, $b, $c) { […]<\/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-47308","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47308","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=47308"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47308\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47308"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47308"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47308"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}