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PHP生成随机字符串

2014-01-03 10:42 483 查看

随机字符串生成：

来自：http://blog.sina.com.cn/s/blog_6d4bfb040100pupr.html

<?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两个数之间的一个随机整数
}

return $str;
}
}

$randCharObj = new RandChar();
echo $randCharObj->getRandChar(5);
?>

80个随机字符串生成

<?php
class RandChar{

function getRandChar($length){
$str = null;
$strPol = "0123456789abcdefghijklmnopqrstuvwxyz";
$max = strlen($strPol)-1;

for($i=0;$i<$length;$i++){
$str.=$strPol[rand(0,$max)];//rand($min,$max)生成介于min和max两个数之间的一个随机整数
}

return $str;
}
}

$randCharObj = new RandChar();
$word=array($randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5));
$word1=array($randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5));
$word2=array($randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5));
$word3=array($randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5));
$word4=array($randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5));
$word5=array($randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5));
$word6=array($randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5));
$word7=array($randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5),$randCharObj->getRandChar(5));
print_r($word);echo "<br />";
print_r($word1);echo "<br />";
print_r($word2);echo "<br />";
print_r($word3);echo "<br />";
print_r($word4);echo "<br />";
print_r($word5);echo "<br />";
print_r($word6);echo "<br />";
print_r($word7);echo "<br />";

?>

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