随机数 验证码 生成生成随机数PHP代码

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随机数，验证码 无 ?php/** *生成随机数 *@param */function randStr($m = 5) { $new_str = ”; $str = ‘ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwsyz0123456789’; for ($i = 1; $i = $m; ++$i) { $new_str .=$str[mt_rand(0, 61)]; } return $new_

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随机数，验证码

.CodeEntity .code_pieces ul.piece_anchor{width:25px;position:absolute;top:25px;left:-30px;z-index:1000;}.CodeEntity .code_pieces ul.piece_anchor li{width:25px;background: #efe;margin-bottom:2px;}.CodeEntity .code_pieces ul.piece_anchor li{border-left:3px #40AA63 solid;border-right:3px #efe solid;}.CodeEntity .code_pieces ul.piece_anchor li:hover{border-right:3px #40AA63 solid;border-left:3px #efe solid;}.CodeEntity .code_pieces ul.piece_anchor li a{color: #333;padding: 3px 10px;}.CodeEntity .code_pieces .jump_to_code{visibility:hidden;position:relative;}.CodeEntity .code_pieces .code_piece:hover .jump_to_code{visibility:visible;}.CodeEntity .code_pieces .code_piece:hover .jump_to_code a{text-decoration:none;}.CodeEntity .code_pieces h2 i{float:right;font-style:normal;font-weight:normal;}.CodeEntity .code_pieces h2 i a{font-size:9pt;background: #FFFFFF;color:#00A;padding: 2px 5px;text-decoration:none;}

<?php/** *生成随机数 *@param */function randStr($m = 5) { $new_str = \; $str = ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwsyz0123456789; for ($i = 1; $i <= $m; ++$i) { $new_str .=$str[mt_rand(0, 61)]; } return $new_str;}//测试$str = randStr(6);echo $str;