http_build_query参数拼接url

http_build_query — 生成 URL-encode 以后的请求字符串

<?php
$data = array('foo'=>'bar',
              'baz'=>'boom',
              'cow'=>'milk',
              'php'=>'hypertext processor');
              
echo http_build_query($data); // foo=bar&baz=boom&cow=milk&php=hypertext+processor
?> 
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