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Source View: wp_mail

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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
191            *     Array of the `wp_mail()` arguments.
192            *
193            *     @type string|string[] $to          Array or comma-separated list of email addresses to send message.
194            *     @type string          $subject     Email subject.
195            *     @type string          $message     Message contents.
196            *     @type string|string[] $headers     Additional headers.
197            *     @type string|string[] $attachments Paths to files to attach.
198            * }
199            */
200           $atts = apply_filters( 'wp_mail', compact( 'to', 'subject', 'message', 'headers', 'attachments' ) );
201
202           /**
203            * Filters whether to preempt sending an email.
204            *
205            * Returning a non-null value will short-circuit {@see wp_mail()}, returning
206            * that value instead. A boolean return value should be used to indicate whether
207            * the email was successfully sent.
208            *
209            * @since 5.7.0