PHP FILTER_VALIDATE_EMAIL Filter

PHP Filter Reference PHP Filter Reference

Example

Check if the variable $email is a valid email address:

<?php
$email = "john.doe@example.com";

if (!filter_var($email, FILTER_VALIDATE_EMAIL) === false) {
  echo("$email is a valid email address");
} else {
  echo("$email is not a valid email address");
}
?>

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Definition and Usage

The FILTER_VALIDATE_EMAIL filter validates an e-mail address.


More Examples

The example below both sanitizes and validates an email address:

Example 1

First remove all illegal characters from the $email variable, then check if it is a valid email address:

<?php
$email = "john.doe@example.com";

// Remove all illegal characters from email
$email = filter_var($email, FILTER_SANITIZE_EMAIL);

// Validate e-mail
if (!filter_var($email, FILTER_VALIDATE_EMAIL) === false) {
    echo("$email is a valid email address");
} else {
    echo("$email is not a valid email address");
}
?>

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PHP Filter Reference PHP Filter Reference

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