php加密手机号的方法

2348

Method 1:

function 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);