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<?php
$str="\nÕâÊÇÐÂÔöabµÄÄÚÈÝ£¡";
$rootDir=$_SERVER['DOCUMENT_ROOT'];
$filename = $rootDir.'/abc.txt';
$fopen=fopen($filename,'r+b');
/*
$fsize=filesize($filename)?filesize($filename):1;
$read = fread($fopen,$fsize);
echo $read;
*/

if(fwrite($fopen,$str))
{
echo 'дÈë³É¹¦£¡';
}else{
echo 'дÈëʧ°Ü£¡';
}


fclose($fopen);
?>


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$date = '2009-12-25';
$ptn = '/([\d]{4})[- \/](0?[\d]|1[0-2])[-\/ ](0?[\d]|[1-2][\d]|3[0-1])/';
if (preg_match($ptn,$date,$out))
{
print_r($out);exit();
}
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