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How to Hide Some Portion of Phone Number In PHP

How to hide some portion of phone number or partially hide phone number in PHP. This blog all about, makes privacy to show a phone number for unauthenticated users. This could be easily done by a single method in using PHP in-built function like strlen() and substr().



strlen()  count the character of string.

substr() helps to extract a part of string.

Here we can take help of these two methods to obtain our result.



 

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<?php
$phone='9542424242';
 
function cross($phone)
{
 
$times=strlen(trim(substr($phone,2,6)));
$cross='';
for ($i=0; $i <$times ; $i++) {
$cross.='x';
}
return $cross;
}
 
$result=str_replace(substr($phone, 2,6), cross($phone), $phone);
echo $result;
 
?>
Output:95xxxxxx42

 

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