<?php |
/** |
*to do 用于检查BOM头 |
*@param string $url |
*@return boolean |
*/ |
//检查BOM头 |
public function checkBom( $contents ) { |
$charset [1] = substr ( $contents ,0,1); |
$charset [2] = substr ( $contents ,1,1); |
$charset [3] = substr ( $contents ,2,1); |
if (ord( $charset [1]) == 239 && ord( $charset [2]) == 187 && ord( $charset [3]) == 191) { |
return substr ( $contents ,3); |
} |
return $contents ; |
} |