摘要:
<?php//验证码function ucode($length=4,$mode=1,$type='png',$width=48,$height=22) { $randval = rand(1000,9999); $_SESSION['IMGCODE']= $randval; $width = ($length*9+10)>$width?$length*9+10:$width; if ( $type!='gif' && function_exists('imagecreatetruecolor')) {
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