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                ## PHP生成一個隨機字符串 ~~~ <?php class RandChar{ function getRandChar($length){ $str = null; $strPol = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz"; $max = strlen($strPol)-1; for($i=0;$i<$length;$i++){ $str.=$strPol[rand(0,$max)];//rand($min,$max)生成介于min和max兩個數之間的一個隨機整數 } return $str; } } $randCharObj = new RandChar(); echo $randCharObj->getRandChar(5); ?> ~~~
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