PHP $ http_response_header
介绍
超全局 $http_response_header数组由HTTP响应标头填充，与get_headers() 函数一样。该数组是在PHP的本地空间中创建的
$http_response_header
示例
<?php
file_get_contents("http://localhost");
$arr=$http_response_header;
foreach ($arr as $key=>$val)
echo "<p>$key=>$val </p>";
?>输出结果
浏览器将显示类似于以下内容的结果
0=>HTTP/1.1 302 Found 1=>Date: Tue, 08 Sep 2020 14:49:24 GMT 2=>Server: Apache/2.4.41 (Win64) OpenSSL/1.0.2s PHP/7.1.32 3=>X-Powered-By: PHP/7.1.32 4=>Location: http://localhost/dashboard/ 5=>Content-Length: 0 6=>Connection: close 7=>Content-Type: text/html; charset=UTF-8 8=>HTTP/1.1 200 OK 9=>Date: Tue, 08 Sep 2020 14:49:24 GMT 10=>Server: Apache/2.4.41 (Win64) OpenSSL/1.0.2s PHP/7.1.32 11=>Last-Modified: Mon, 02 Sep 2019 15:45:31 GMT 12=>ETag: "1d99-59193dc9c3cc0" 13=>Accept-Ranges: bytes 14=>Content-Length: 7577 15=>Connection: close 16=>Content-Type: text/html
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