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Function strcnn( $who,$where=¡±ÔÚÊ÷ÉÏ¡±,$what=¡±³ª¸è¡±){ $str=$who.$where.$what; Return $str; }

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$str=¡±this is a big fish¡±; Echo strlen($str); ?>

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If($shidu>=80){ echo ¡°ÏÂÓêÁË¡±;}

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For($i=1;$i<=10;$i++){ If($i%2==0||$i%5==0){ Continue; }

Echo $i.¡± ¡±; } ?>

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$str=¡±welcome to china¡±;

Echo substr($str,3£¬7) //Êä³ö½á¹ûÊÇ£¨ } ?> 8¡¢

$day=mktime(6,20,00,5,20,2010)¡±;

Echo date(¡°m-d-Y H:i:s¡±,$day); //Êä³ö½á¹ûÊÇ£¨?>

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