setcookie('username',$userName,time()+60*60*24*30);//设置时效一个月,一个月后这个cookie失效
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document.getElementById('name').onkeyup=function(){ document.getElementById('sp').innerHTML = " "; }
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//正则 var rel = /^[A-Za-z0-9]{6,10}$/;
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<?php echo "我爱php中文网"; ?>
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sublime text3
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wampserver php中文网工具箱 appserv xampp phpstudy
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