wppaste
WordPress

apply_filters( 'pre_wp_mail', null|bool $return, array $atts )

Since
5.7.0, 6.9.0
Filters whether to preempt sending an email.

Description

Returning a non-null value will short-circuit wp_mail(), returning that value instead. A boolean return value should be used to indicate whether the email was successfully sent.

Compatibility

WordPress
since 6.9.0
  • 6.7.7
  • 6.8.8
  • 6.9.7
  • 7.0.4
  • 7.1.0

Present in every tracked release (6.7.7 to 7.1.0).

Parameters

$returnnull|bool
Short-circuit return value.
$attsarray
{ Array of the wp_mail() arguments.
@type string|string[] $to Array or comma-separated list of email addresses to send message.
@type string $subject Email subject.
@type string $message Message contents.
@type string|string[] $headers Additional headers.
@type string|string[] $attachments Paths to files to attach.
@type string|string[] $embeds Paths to files to embed.
}
  • $tostring|string[]

    Array or comma-separated list of email addresses to send message.
  • $subjectstring

    Email subject.
  • $messagestring

    Message contents.
  • $headersstring|string[]

    Additional headers.
  • $attachmentsstring|string[]

    Paths to files to attach.
  • $embedsstring|string[]

    Paths to files to embed.

Where this hook fires · 1

  • wp-includes/pluggable.php:233wp_mail()

Source code

		 *     @type string          $message     Message contents.		 *     @type string|string[] $headers     Additional headers.		 *     @type string|string[] $attachments Paths to files to attach.		 *     @type string|string[] $embeds      Paths to files to embed.		 * }		 */		$pre_wp_mail = apply_filters( 'pre_wp_mail', null, $atts ); 		if ( null !== $pre_wp_mail ) {			return $pre_wp_mail;		} 		if ( isset( $atts['to'] ) ) {

Changelog

Introduced in 5.7.0. Unchanged from 6.7.7 through 7.1.0.

  1. 6.7.7
  2. 6.8.8
  3. 6.9.7
  4. 7.0.4
  5. 7.1.0

Signature, return type and hooks compared across 5 parsed releases.

6.9.0
The $embeds element was added to the $atts array.from the docblock
5.7.0
Introduced.from the docblock

About this page

Parsed data
Generated from the wordpress-develop 7.1.0 tag, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.
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