63 lines
1.4 KiB
PHP
63 lines
1.4 KiB
PHP
<?php
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namespace addons\functions;
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class FmFunc
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{
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//自定义函数类
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}
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// 自定义函数汇集，方便他处调用
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//是否手机号
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function isMobile($phone){
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// 定义正则表达式
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$pattern = '/^1[3-9]\d{9}$/';
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// 使用preg_match函数进行匹配
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if (preg_match($pattern, $phone)) {
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return true; // 手机号有效
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} else {
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return false; // 手机号无效
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}
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}
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function strLen($str){
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if (function_exists('mb_strlen')) {
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return mb_strlen($str, 'utf-8');
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} else {
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return strlen($str);
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}
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}
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function getMillisecond(){
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//获取毫秒级时间
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list($t1,$t2) = explode(' ',microtime());
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return (float)sprintf('%.f',(floatval($t1) + floatval($t2))*1000);
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}
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//手机号掩码
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function mobile_mask($mobile) {
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return substr($mobile, 0, 3) . '****' . substr($mobile, 7);
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}
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//银行卡号加空格隔断
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function bankcard_space($cardnumber){
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$card ='';
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for($i=0; $i<5; $i++){
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$card = $card. substr($cardnumber,4*$i,4). ' ';
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}
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return $card;
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}
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//生成不重复的随机字符串
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function randchars($len)
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{
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$chars='ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz';
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$string=time();
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for(;$len>=1;$len--)
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{
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$position=rand()%strlen($chars);
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$position2=rand()%strlen($string);
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$string=substr_replace($string,substr($chars,$position,1),$position2,0);
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}
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return $string;
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} |