<?php
/**
** Special Mail Tags
** https://contactform7.com/special-mail-tags/
**/
add_filter( 'wpcf7_special_mail_tags', 'wpcf7_special_mail_tag', 10, 4 );
/**
* Returns output string of a special mail-tag.
*
* @param string $output The string to be output.
* @param string $name The tag name of the special mail-tag.
* @param bool $html Whether the mail-tag is used in an HTML content.
* @param WPCF7_MailTag $mail_tag An object representation of the mail-tag.
* @return string Output of the given special mail-tag.
*/
function wpcf7_special_mail_tag( $output, $name, $html, $mail_tag = null ) {
if ( ! $mail_tag instanceof WPCF7_MailTag ) {
wpcf7_doing_it_wrong(
sprintf( '%s()', __FUNCTION__ ),
__( 'The fourth parameter ($mail_tag) must be an instance of the WPCF7_MailTag class.', 'contact-form-7' ),
'5.2.2'
);
}
$name = preg_replace( '/^wpcf7\./', '_', $name ); // for back-compat
$submission = WPCF7_Submission::get_instance();
if ( ! $submission ) {
return $output;
}
if ( '_remote_ip' === $name ) {
if ( $remote_ip = $submission->get_meta( 'remote_ip' ) ) {
return $remote_ip;
} else {
return '';
}
}
if ( '_user_agent' === $name ) {
if ( $user_agent = $submission->get_meta( 'user_agent' ) ) {
return $html ? esc_html( $user_agent ) : $user_agent;
} else {
return '';
}
}
if ( '_url' === $name ) {
if ( $url = $submission->get_meta( 'url' ) ) {
return $url;
} else {
return '';
}
}
if ( '_date' === $name or '_time' === $name ) {
if ( $timestamp = $submission->get_meta( 'timestamp' ) ) {
if ( '_date' === $name ) {
return wp_date( get_option( 'date_format' ), $timestamp );
}
if ( '_time' === $name ) {
return wp_date( get_option( 'time_format' ), $timestamp );
}
}
return '';
}
if ( '_invalid_fields' === $name ) {
return count( $submission->get_invalid_fields() );
}
return $output;
}
add_filter( 'wpcf7_special_mail_tags', 'wpcf7_post_related_smt', 10, 4 );
/**
* Returns output string of a special mail-tag.
*
* @param string $output The string to be output.
* @param string $name The tag name of the special mail-tag.
* @param bool $html Whether the mail-tag is used in an HTML content.
* @param WPCF7_MailTag $mail_tag An object representation of the mail-tag.
* @return string Output of the given special mail-tag.
*/
function wpcf7_post_related_smt( $output, $name, $html, $mail_tag = null ) {
if ( ! $mail_tag instanceof WPCF7_MailTag ) {
wpcf7_doing_it_wrong(
sprintf( '%s()', __FUNCTION__ ),
__( 'The fourth parameter ($mail_tag) must be an instance of the WPCF7_MailTag class.', 'contact-form-7' ),
'5.2.2'
);
}
if ( ! str_starts_with( $name, '_post_' ) ) {
return $output;
}
$submission = WPCF7_Submission::get_instance();
if ( ! $submission ) {
return $output;
}
$post_id = (int) $submission->get_meta( 'container_post_id' );
if ( ! $post_id or ! $post = get_post( $post_id ) ) {
return '';
}
if ( '_post_id' === $name ) {
return (string) $post->ID;
}
if ( '_post_name' === $name ) {
return $post->post_name;
}
if ( '_post_title' === $name ) {
return $html ? esc_html( $post->post_title ) : $post->post_title;
}
if ( '_post_url' === $name ) {
return get_permalink( $post->ID );
}
$user = new WP_User( $post->post_author );
if ( '_post_author' === $name ) {
return $user->display_name;
}
if ( '_post_author_email' === $name ) {
return $user->user_email;
}
return $output;
}
add_filter( 'wpcf7_special_mail_tags', 'wpcf7_site_related_smt', 10, 4 );
/**
* Returns output string of a special mail-tag.
*
* @param string $output The string to be output.
* @param string $name The tag name of the special mail-tag.
* @param bool $html Whether the mail-tag is used in an HTML content.
* @param WPCF7_MailTag $mail_tag An object representation of the mail-tag.
* @return string Output of the given special mail-tag.
*/
function wpcf7_site_related_smt( $output, $name, $html, $mail_tag = null ) {
if ( ! $mail_tag instanceof WPCF7_MailTag ) {
wpcf7_doing_it_wrong(
sprintf( '%s()', __FUNCTION__ ),
__( 'The fourth parameter ($mail_tag) must be an instance of the WPCF7_MailTag class.', 'contact-form-7' ),
'5.2.2'
);
}
$filter = $html ? 'display' : 'raw';
if ( '_site_title' === $name ) {
$output = get_bloginfo( 'name', $filter );
if ( ! $html ) {
$output = wp_specialchars_decode( $output, ENT_QUOTES );
}
return $output;
}
if ( '_site_description' === $name ) {
$output = get_bloginfo( 'description', $filter );
if ( ! $html ) {
$output = wp_specialchars_decode( $output, ENT_QUOTES );
}
return $output;
}
if ( '_site_url' === $name ) {
return get_bloginfo( 'url', $filter );
}
if ( '_site_admin_email' === $name ) {
return get_bloginfo( 'admin_email', $filter );
}
return $output;
}
add_filter( 'wpcf7_special_mail_tags', 'wpcf7_user_related_smt', 10, 4 );
/**
* Returns output string of a special mail-tag.
*
* @param string $output The string to be output.
* @param string $name The tag name of the special mail-tag.
* @param bool $html Whether the mail-tag is used in an HTML content.
* @param WPCF7_MailTag $mail_tag An object representation of the mail-tag.
* @return string Output of the given special mail-tag.
*/
function wpcf7_user_related_smt( $output, $name, $html, $mail_tag = null ) {
if ( ! $mail_tag instanceof WPCF7_MailTag ) {
wpcf7_doing_it_wrong(
sprintf( '%s()', __FUNCTION__ ),
__( 'The fourth parameter ($mail_tag) must be an instance of the WPCF7_MailTag class.', 'contact-form-7' ),
'5.2.2'
);
}
if ( ! str_starts_with( $name, '_user_' ) or '_user_agent' === $name ) {
return $output;
}
$submission = WPCF7_Submission::get_instance();
if ( ! $submission ) {
return $output;
}
$user_id = (int) $submission->get_meta( 'current_user_id' );
if ( ! $user_id ) {
return '';
}
$primary_props = array( 'user_login', 'user_email', 'user_url' );
$opt = ltrim( $name, '_' );
$opt = in_array( $opt, $primary_props ) ? $opt : substr( $opt, 5 );
$user = new WP_User( $user_id );
if ( $user->has_prop( $opt ) ) {
return $user->get( $opt );
}
return '';
}
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