php http_build_query (用法)

<?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
?> 
<?php
$data = array('foo', 'bar', 'baz', 'boom', 'cow' => 'milk', 'php' =>'hypertext processor');
              
echo http_build_query($data);
/* 输出：
      0=foo&1=bar&2=baz&3=boom&cow=milk&php=hypertext+processor
 */
 
echo http_build_query($data, 'myvar_');
/* 输出：
      myvar_0=foo&myvar_1=bar&myvar_2=baz&myvar_3=boom&cow=milk&php=hypertext+processor
 */
?>