Codex

Function Reference/is email

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Contents

Description

Verifies that an email is valid.

Usage

<?php is_email( $email ) ?>

Parameters

$email
(string) (required) Email address to check.
Default: None

Return Values

(string|bool) 
Either returns false or the valid email address.

Examples 

<?php if ( is_email( 'email@domain.com' ) ) {
      echo 'email address is valid.';
} ?>

Notes

Does not grok i18n domains. Not RFC compliant.

Change Log

Since: 0.71

Source File

is_email() is located in wp-includes/formatting.php.

Related

See: Data Validation article for an in-depth discussion of input and output sanitization.

See also index of Function Reference and index of Template Tags.
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