PHP filter-VALIDATE_EMAIL Filter
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");
}
?>
Run example »
$email = "john.doe@example.com";
if (!filter-var($email, filter-VALIDATE_EMAIL) === false) {
echo("$email is a valid email address");
} else {
echo("$email is not a valid email address");
}
?>
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");
}
?>
Run example »
$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");
}
?>
PHP Filter Reference
