今天就跟大家聊聊有关php中如何生成短网址，可能很多人都不太了解，为了让大家更加了解，小编给大家总结了以下内容，希望大家根据这篇文章可以有所收获。
php生成短网址
<?php
$chars=array("a","b","c","d","e","f","g","h",
"i","j","k","l","m","n","o","p",
"q","r","s","t","u","v","w","x",
"y","z","0","1","2","3","4","5",
"6","7","8","9","a","b","c","d",
"e","f","g","h","i","j","k","l",
"m","n","o","p","q","r","s","t",
"u","v","w","x","y","z");
$salt="www.joneto.com";
$hash=md5("http://www.sina.com".$salt);
$rs=array();
for($i=0;$i<4;$i++){
$temp=substr($hash, $i*8,8);
$temp=base_convert($temp, 16, 10) & base_convert("3fffffff", 16, 10);
$str="";
for($j=0;$j<6;$j++){
$subtemp=$temp & intval(base_convert("3d", 16, 10));
$str.=$chars[$subtemp];
$temp=$temp>>5;
}
unset($temp);
$rs[]=$str;
}
print_r($rs);
?>
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