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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
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900 | * @type string $subject The email's subject. |
901 | * @type string $body The email message body. |
902 | * @type string $headers Any email headers, defaults to no headers. |
903 | * } |
904 | * @param string $type The type of email being sent. Can be one of |
905 | * 'success', 'fail', 'manual', 'critical'. |
906 | * @param object $core_update The update offer that was attempted. |
907 | * @param mixed $result The result for the core update. Can be WP_Error. |
908 | */ |
909 | $email = apply_filters( 'auto_core_update_email', $email, $type, $core_update, $result ); |
910 |
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911 | wp_mail( $email['to'], wp_specialchars_decode( $email['subject'] ), $email['body'], $email['headers'] ); |
912 | } |
913 |
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914 |
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915 | /** |
916 | * If we tried to perform plugin or theme updates, check if we should send an email. |
917 | * |
918 | * @since 5.5.0 |