{"id":47080,"date":"2024-12-02T17:18:42","date_gmt":"2024-12-02T09:18:42","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47080\/"},"modified":"2024-12-02T17:18:42","modified_gmt":"2024-12-02T09:18:42","slug":"php-%e5%87%bd%e6%95%b0%e5%8f%82%e6%95%b0%e7%bb%91%e5%ae%9a%e5%a6%82%e4%bd%95%e6%8f%90%e9%ab%98%e4%bb%a3%e7%a0%81%e7%9a%84%e5%8f%af%e8%af%bb%e6%80%a7%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47080\/","title":{"rendered":"PHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u5982\u4f55\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u5982\u4f55\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff1f<\/h1>\n<p>\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300aPHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u5982\u4f55\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff1f\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002<\/p>\n<p>PHP \u53c2\u6570\u7ed1\u5b9a\u4f7f\u7528 bindParam \u6216 bind_param \u51fd\u6570\uff0c\u5c06\u53d8\u91cf\u7ed1\u5b9a\u5230 &#8220;?&#8221; \u5360\u4f4d\u7b26\uff0c\u63d0\u5347\u51fd\u6570\u8c03\u7528\u53ef\u8bfb\u6027\uff1a$parameter\uff1a\u5360\u4f4d\u7b26\u7d22\u5f15\u6216\u540d\u79f0$variable\uff1a\u8981\u7ed1\u5b9a\u7684\u53d8\u91cf$data_type\uff1a\u6307\u5b9a\u6570\u636e\u7c7b\u578b$length\uff1a\u6307\u5b9a\u6700\u5927\u957f\u5ea6\uff08\u5b57\u7b26\u4e32\uff09$driver_options\uff1a\u989d\u5916\u9a71\u52a8\u7a0b\u5e8f\u9009\u9879<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241025\/1729864958671ba4fe8724c.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u5982\u4f55\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff1f\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u5982\u4f55\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\uff1a\u63d0\u5347\u4ee3\u7801\u53ef\u8bfb\u6027<\/strong><\/p>\n<p>\u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u662f\u4e00\u79cd\u4f7f\u51fd\u6570\u8c03\u7528\u66f4\u52a0\u6e05\u6670\u548c\u53ef\u8bfb\u6027\u7684\u6280\u672f\u3002\u5b83\u51cf\u5c11\u4e86\u53c2\u6570\u4f20\u9012\u7684\u6df7\u4e71\uff0c\u5e76\u80fd\u5728\u53c2\u6570\u6570\u91cf\u8fc7\u591a\u65f6\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<p>\u8981\u5728 PHP \u4e2d\u8fdb\u884c\u53c2\u6570\u7ed1\u5b9a\uff0c\u8bf7\u4f7f\u7528 <code>bindParam<\/code> \u6216 <code>bindParam<\/code> \u51fd\u6570\u3002\u8fd9\u4e9b\u51fd\u6570\u91c7\u7528\u4e86\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>bindParam(int $parameter, mixed $variable, int $data_type, int $length, mixed $driver_options)\nbind_param(string $format, ...$variables)<\/pre>\n<ul>\n<li><code>$parameter<\/code>\uff1a\u201c?\u201d\u5360\u4f4d\u7b26\u7684\u7d22\u5f15\u6216\u540d\u79f0\u3002<\/li>\n<li><code>$variable<\/code>\uff1a\u8981\u7ed1\u5b9a\u7684\u53d8\u91cf\u3002<\/li>\n<li><code>$data_type<\/code>\uff1a\u6307\u5b9a\u53d8\u91cf\u7684 PHP \u6570\u636e\u7c7b\u578b\u3002<\/li>\n<li><code>$length<\/code>\uff1a\u6307\u5b9a\u53d8\u91cf\u7684\u6700\u5927\u957f\u5ea6\uff08\u5bf9\u4e8e\u5b57\u7b26\u4e32\u7c7b\u578b\uff09\u3002<\/li>\n<li><code>$driver_options<\/code>\uff1a\u989d\u5916\u7684\u9a71\u52a8\u7a0b\u5e8f\u7279\u5b9a\u9009\u9879\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528 <code>bindParam<\/code> \u51fd\u6570\uff1a<\/p>\n<pre>&lt;?php\n$query = \"SELECT * FROM users WHERE name = ?\";\n$stmt = $conn-&gt;prepare($query);\n$name = \"John Doe\";\n$stmt-&gt;bindParam(1, $name, PDO::PARAM_STR, 50);\n$stmt-&gt;execute();\n?&gt;<\/pre>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff1a<\/p>\n<ul>\n<li><code>$query<\/code> \u662f\u8981\u6267\u884c\u7684 SQL \u67e5\u8be2\u5b57\u7b26\u4e32\u3002<\/li>\n<li><code>$stmt<\/code> \u662f\u51c6\u5907\u597d\u7684\u8bed\u53e5\u5bf9\u8c61\u3002<\/li>\n<li><code>$name<\/code> \u662f\u8981\u7ed1\u5b9a\u7684\u53d8\u91cf\u3002<\/li>\n<li>\u7b2c\u4e00\u4e2a\u53c2\u6570 <code>1<\/code> \u6307\u5b9a\u8981\u7ed1\u5b9a\u7684\u53c2\u6570\u7684\u7d22\u5f15\uff08\u201c?\u201d\u5360\u4f4d\u7b26\uff09\u3002<\/li>\n<li><code>PDO::PARAM_STR<\/code> \u6307\u5b9a\u7ed1\u5b9a\u7684\u6570\u636e\u7c7b\u578b\u662f\u5b57\u7b26\u4e32\u3002<\/li>\n<li><code>50<\/code> \u6307\u5b9a\u7ed1\u5b9a\u7684\u5b57\u7b26\u4e32\u7684\u6700\u5927\u957f\u5ea6\u3002<\/li>\n<\/ul>\n<p>\u4f7f\u7528 <code>bindParam<\/code> \u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u6e05\u695a\u5730\u4e86\u89e3\u54ea\u4e9b\u53d8\u91cf\u88ab\u7ed1\u5b9a\u5230\u4e86\u67e5\u8be2\u4e2d\u3002\u5b83\u6d88\u9664\u4e86\u6df7\u6dc6\uff0c\u5e76\u4f7f\u4ee3\u7801\u66f4\u6613\u4e8e\u7406\u89e3\u548c\u7ef4\u62a4\u3002<\/p>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aPHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u5982\u4f55\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff1f\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":"<p>PHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u5982\u4f55\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff1f \u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300aPHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u5982\u4f55\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff1f\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002 PHP \u53c2\u6570\u7ed1\u5b9a\u4f7f\u7528 bindParam \u6216 bind_param \u51fd\u6570\uff0c\u5c06\u53d8\u91cf\u7ed1\u5b9a\u5230 &#8220;?&#8221; \u5360\u4f4d\u7b26\uff0c\u63d0\u5347\u51fd\u6570\u8c03\u7528\u53ef\u8bfb\u6027\uff1a$parameter\uff1a\u5360\u4f4d\u7b26\u7d22\u5f15\u6216\u540d\u79f0$variable\uff1a\u8981\u7ed1\u5b9a\u7684\u53d8\u91cf$data_type\uff1a\u6307\u5b9a\u6570\u636e\u7c7b\u578b$length\uff1a\u6307\u5b9a\u6700\u5927\u957f\u5ea6\uff08\u5b57\u7b26\u4e32\uff09$driver_options\uff1a\u989d\u5916\u9a71\u52a8\u7a0b\u5e8f\u9009\u9879 PHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\uff1a\u63d0\u5347\u4ee3\u7801\u53ef\u8bfb\u6027 \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u662f\u4e00\u79cd\u4f7f\u51fd\u6570\u8c03\u7528\u66f4\u52a0\u6e05\u6670\u548c\u53ef\u8bfb\u6027\u7684\u6280\u672f\u3002\u5b83\u51cf\u5c11\u4e86\u53c2\u6570\u4f20\u9012\u7684\u6df7\u4e71\uff0c\u5e76\u80fd\u5728\u53c2\u6570\u6570\u91cf\u8fc7\u591a\u65f6\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002 \u8bed\u6cd5 \u8981\u5728 PHP \u4e2d\u8fdb\u884c\u53c2\u6570\u7ed1\u5b9a\uff0c\u8bf7\u4f7f\u7528 bindParam \u6216 bindParam \u51fd\u6570\u3002\u8fd9\u4e9b\u51fd\u6570\u91c7\u7528\u4e86\u4ee5\u4e0b\u8bed\u6cd5\uff1a bindParam(int $parameter, mixed $variable, int $data_type, int $length, mixed $driver_options) bind_param(string $format, &#8230;$variables) $parameter\uff1a\u201c?\u201d\u5360\u4f4d\u7b26\u7684\u7d22\u5f15\u6216\u540d\u79f0\u3002 $variable\uff1a\u8981\u7ed1\u5b9a\u7684\u53d8\u91cf\u3002 $data_type\uff1a\u6307\u5b9a\u53d8\u91cf\u7684 PHP \u6570\u636e\u7c7b\u578b\u3002 $length\uff1a\u6307\u5b9a\u53d8\u91cf\u7684\u6700\u5927\u957f\u5ea6\uff08\u5bf9\u4e8e\u5b57\u7b26\u4e32\u7c7b\u578b\uff09\u3002 $driver_options\uff1a\u989d\u5916\u7684\u9a71\u52a8\u7a0b\u5e8f\u7279\u5b9a\u9009\u9879\u3002 \u5b9e\u6218\u6848\u4f8b \u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528 bindParam \u51fd\u6570\uff1a &lt;?php $query = &#8220;SELECT * FROM users WHERE [&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-47080","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47080","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=47080"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47080\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47080"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47080"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47080"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}