* @global WP_Query $wp_query WordPress Query object.

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*

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* @return null

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*/

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function the_comment() {

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global $wp_query;

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return $wp_query->the_comment();

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}

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/**

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* Redirect old slugs to the correct permalink.

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*

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* Attempts to find the current slug from the past slugs.

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*

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* @since 2.1.0

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*/

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function wp_old_slug_redirect() {

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if ( is_404() && '' !== get_query_var( 'name' ) ) {

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// Guess the current post type based on the query vars.

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if ( get_query_var( 'post_type' ) ) {

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$post_type = get_query_var( 'post_type' );

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} elseif ( get_query_var( 'attachment' ) ) {

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$post_type = 'attachment';

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} elseif ( get_query_var( 'pagename' ) ) {

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$post_type = 'page';

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} else {

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$post_type = 'post';

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}

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if ( is_array( $post_type ) ) {

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if ( count( $post_type ) > 1 ) {

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return;

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}

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$post_type = reset( $post_type );

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}

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// Do not attempt redirect for hierarchical post types.

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if ( is_post_type_hierarchical( $post_type ) ) {

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return;

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}

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$id = _find_post_by_old_slug( $post_type );

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if ( ! $id ) {

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$id = _find_post_by_old_date( $post_type );

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}

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[1046] Fix | Delete

/**

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* Filters the old slug redirect post ID.

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*

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* @since 4.9.3

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*

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* @param int $id The redirect post ID.

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*/

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$id = apply_filters( 'old_slug_redirect_post_id', $id );

[1054] Fix | Delete

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if ( ! $id ) {

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return;

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}

[1058] Fix | Delete

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$link = get_permalink( $id );

[1060] Fix | Delete

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if ( get_query_var( 'paged' ) > 1 ) {

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$link = user_trailingslashit( trailingslashit( $link ) . 'page/' . get_query_var( 'paged' ) );

[1063] Fix | Delete

} elseif ( is_embed() ) {

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$link = user_trailingslashit( trailingslashit( $link ) . 'embed' );

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}

[1066] Fix | Delete

[1067] Fix | Delete

/**

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* Filters the old slug redirect URL.

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*

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* @since 4.4.0

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*

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* @param string $link The redirect URL.

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*/

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$link = apply_filters( 'old_slug_redirect_url', $link );

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if ( ! $link ) {

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return;

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}

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wp_redirect( $link, 301 ); // Permanent redirect.

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exit;

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}

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}

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[1085] Fix | Delete

/**

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* Find the post ID for redirecting an old slug.

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*

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* @since 4.9.3

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* @access private

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*

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* @see wp_old_slug_redirect()

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* @global wpdb $wpdb WordPress database abstraction object.

[1093] Fix | Delete

*

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* @param string $post_type The current post type based on the query vars.

[1095] Fix | Delete

* @return int The Post ID.

[1096] Fix | Delete

*/

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function _find_post_by_old_slug( $post_type ) {

[1098] Fix | Delete

global $wpdb;

[1099] Fix | Delete

[1100] Fix | Delete

$query = $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta, $wpdb->posts WHERE ID = post_id AND post_type = %s AND meta_key = '_wp_old_slug' AND meta_value = %s", $post_type, get_query_var( 'name' ) );

[1101] Fix | Delete

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// If year, monthnum, or day have been specified, make our query more precise

[1103] Fix | Delete

// just in case there are multiple identical _wp_old_slug values.

[1104] Fix | Delete

if ( get_query_var( 'year' ) ) {

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$query .= $wpdb->prepare( ' AND YEAR(post_date) = %d', get_query_var( 'year' ) );

[1106] Fix | Delete

}

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if ( get_query_var( 'monthnum' ) ) {

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$query .= $wpdb->prepare( ' AND MONTH(post_date) = %d', get_query_var( 'monthnum' ) );

[1109] Fix | Delete

}

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if ( get_query_var( 'day' ) ) {

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$query .= $wpdb->prepare( ' AND DAYOFMONTH(post_date) = %d', get_query_var( 'day' ) );

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}

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$id = (int) $wpdb->get_var( $query );

[1115] Fix | Delete

[1116] Fix | Delete

return $id;

[1117] Fix | Delete

}

[1118] Fix | Delete

[1119] Fix | Delete

/**

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* Find the post ID for redirecting an old date.

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*

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* @since 4.9.3

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* @access private

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*

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* @see wp_old_slug_redirect()

[1126] Fix | Delete

* @global wpdb $wpdb WordPress database abstraction object.

[1127] Fix | Delete

*

[1128] Fix | Delete

* @param string $post_type The current post type based on the query vars.

[1129] Fix | Delete

* @return int The Post ID.

[1130] Fix | Delete

*/

[1131] Fix | Delete

function _find_post_by_old_date( $post_type ) {

[1132] Fix | Delete

global $wpdb;

[1133] Fix | Delete

[1134] Fix | Delete

$date_query = '';

[1135] Fix | Delete

if ( get_query_var( 'year' ) ) {

[1136] Fix | Delete

$date_query .= $wpdb->prepare( ' AND YEAR(pm_date.meta_value) = %d', get_query_var( 'year' ) );

[1137] Fix | Delete

}

[1138] Fix | Delete

if ( get_query_var( 'monthnum' ) ) {

[1139] Fix | Delete

$date_query .= $wpdb->prepare( ' AND MONTH(pm_date.meta_value) = %d', get_query_var( 'monthnum' ) );

[1140] Fix | Delete

}

[1141] Fix | Delete

if ( get_query_var( 'day' ) ) {

[1142] Fix | Delete

$date_query .= $wpdb->prepare( ' AND DAYOFMONTH(pm_date.meta_value) = %d', get_query_var( 'day' ) );

[1143] Fix | Delete

}

[1144] Fix | Delete

[1145] Fix | Delete

$id = 0;

[1146] Fix | Delete

if ( $date_query ) {

[1147] Fix | Delete

$id = (int) $wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta AS pm_date, $wpdb->posts WHERE ID = post_id AND post_type = %s AND meta_key = '_wp_old_date' AND post_name = %s" . $date_query, $post_type, get_query_var( 'name' ) ) );

[1148] Fix | Delete

[1149] Fix | Delete

if ( ! $id ) {

[1150] Fix | Delete

// Check to see if an old slug matches the old date.

[1151] Fix | Delete

$id = (int) $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->posts, $wpdb->postmeta AS pm_slug, $wpdb->postmeta AS pm_date WHERE ID = pm_slug.post_id AND ID = pm_date.post_id AND post_type = %s AND pm_slug.meta_key = '_wp_old_slug' AND pm_slug.meta_value = %s AND pm_date.meta_key = '_wp_old_date'" . $date_query, $post_type, get_query_var( 'name' ) ) );

[1152] Fix | Delete

}

[1153] Fix | Delete

}

[1154] Fix | Delete

[1155] Fix | Delete

return $id;

[1156] Fix | Delete

}

[1157] Fix | Delete

[1158] Fix | Delete

/**

[1159] Fix | Delete

* Set up global post data.

[1160] Fix | Delete

*

[1161] Fix | Delete

* @since 1.5.0

[1162] Fix | Delete

* @since 4.4.0 Added the ability to pass a post ID to `$post`.

[1163] Fix | Delete

*

[1164] Fix | Delete

* @global WP_Query $wp_query WordPress Query object.

[1165] Fix | Delete

*

[1166] Fix | Delete

* @param WP_Post|object|int $post WP_Post instance or Post ID/object.

[1167] Fix | Delete

* @return bool True when finished.

[1168] Fix | Delete

*/

[1169] Fix | Delete

function setup_postdata( $post ) {

[1170] Fix | Delete

global $wp_query;

[1171] Fix | Delete

[1172] Fix | Delete

if ( ! empty( $wp_query ) && $wp_query instanceof WP_Query ) {

[1173] Fix | Delete

return $wp_query->setup_postdata( $post );

[1174] Fix | Delete

}

[1175] Fix | Delete

[1176] Fix | Delete

return false;

[1177] Fix | Delete

}

[1178] Fix | Delete

[1179] Fix | Delete

/**

[1180] Fix | Delete

* Generates post data.

[1181] Fix | Delete

*

[1182] Fix | Delete

* @since 5.2.0

[1183] Fix | Delete

*

[1184] Fix | Delete

* @global WP_Query $wp_query WordPress Query object.

[1185] Fix | Delete

*

[1186] Fix | Delete

* @param WP_Post|object|int $post WP_Post instance or Post ID/object.

[1187] Fix | Delete

* @return array|false Elements of post, or false on failure.

[1188] Fix | Delete

*/

[1189] Fix | Delete

function generate_postdata( $post ) {

[1190] Fix | Delete

global $wp_query;

[1191] Fix | Delete

[1192] Fix | Delete

if ( ! empty( $wp_query ) && $wp_query instanceof WP_Query ) {

[1193] Fix | Delete

return $wp_query->generate_postdata( $post );

[1194] Fix | Delete

}

[1195] Fix | Delete

[1196] Fix | Delete

return false;

[1197] Fix | Delete

}

[1198] Fix | Delete

[1199] Fix | Delete