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:
Method1: functionhidtel($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){ returnpreg_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); } }
Method2: $num="13966778888" $str=substr_replace($num,'****',3,4);