After following, you can keep track of his dynamic information in a timely manner
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setcookie('username',$userName,time()+60*60*24*30);//設(shè)置時效一個月,一個月后這個cookie失效
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document.getElementById('name').onkeyup=function(){ document.getElementById('sp').innerHTML = " "; }
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//正則 var rel = /^[A-Za-z0-9]{6,10}$/;
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<?php echo "我愛php中文網(wǎng)"; ?>
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