PHP实现手机号码中间四位用星号(*)隐藏的自定义函数分享

php屏蔽电话号码中间四位: Method 1function hidtel($phone){ $IsWhat = preg_match(\'/(0[0-9]{2,3}[\-]?[2-9][0-9]{6,7}[\-]?[0-9]?)/i\',$phone); //固定电话 if($IsWhat == 1){ return preg_replace(\'/(0[0-9]{2,3}[\-]?[2-9])[0-9]{3,4}([0-9]{3}[\-]?[0-9]?)/i\',\'$1****$2\',$phone); }else{ return preg_replace(\'/(1[358]{1}[0-9])[0-9]{4}([0-9]{4})/i\',\'$1****$2\',$phone); } } Method 2$num = "13966778888" $str = substr_replace($num,\'****\',3,4); 示例: $phonenum = "13966778888"; echo hidtel($phonenum); 最后输出:139****8888

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