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PHP的等于判断

May 26, 2016 am 08:19 AM

各位看看应该输出什么

<?php
$curMac = '00E031001774';
$preMac = '00E012013732';
if($curMac != $preMac){
    echo 'not not';
}else{
    echo 'yes yes';
}
?>
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