filter_var() function in PHP

The filter_var() function is used to filter a variable with a specified filter.

Syntax

filter_var(variable, filter, options)

Parameters

  • variable − The name of variable.

  • filter − The name of filter to get ID.

  • options − Specifies options to use.

Return

The filter_var() function returns filtered data on success, or false on failure.

Example

 Live Demo

<?php
   $myEmail = "examplee@demo.com";
   if (filter_var($myEmail, FILTER_VALIDATE_EMAIL {
      echo("$myEmail = valid email address");
   } else {
      echo("$myEmail = invalid email address");
   }
?>

Output

The following is the output.

examplee@demo.com = valid email address

Updated on: 27-Dec-2019

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