chore: initial snapshot of 2meet-data-optimizer v0.1.0
Baseline before backporting wp-data-optimizer v3.0.1-v3.4.6. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TbG1keQQ7XBa7qMQY16KCY
This commit is contained in:
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<?php
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/**
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* TMDO_Term_Comment_Misc_Bucket — Catch-all flat storage for unregistered
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* term + comment meta keys (v2.12.4 Phase 4).
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*
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* The "missing piece" that makes wp_termmeta / wp_commentmeta completely
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* avoidable. After Phase 0–3:
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*
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* - Phase 0 (v2.12.0): cleanup CLI removes historical garbage
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* - Phase 1 (v2.12.1): garbage filter blocks new garbage writes
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* - Phase 2 (v2.12.2): entity registry routes registered HivePress fields
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* to wp_wpdo_term_hp_taxonomy / wp_wpdo_comment_hp_review
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* - Phase 3 (v2.12.3): WC term count filter routes product_count_* → wp_options
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*
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* What's left? **Unregistered keys** — anything written to term/comment meta
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* that doesn't match any pattern (e.g., `note_group` on dev10, or any future
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* plugin's custom key). Those still land in wp_termmeta / wp_commentmeta.
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*
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* This class is the catch-all. Filter priority 99 (LAST in the chain) means
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* we only handle writes where every other filter has returned null (i.e., no
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* match). Two new flat tables provide structurally identical K/V storage
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* with explicit ownership.
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*
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* Filter priority chain (term + comment metadata writes):
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*
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* priority 9: garbage filter (drop _wxr_ / _demo_ / orphan)
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* priority 9: WC term count filter (route product_count_* → wp_options)
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* priority 10: Hook Bus / entity (route registered keys → flat tables)
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* priority 99: THIS misc bucket (catch-all → wp_wpdo_*_misc)
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*
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* The chain works because filter callbacks preserve `$check` / `$pre`
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* (the accumulator) when they don't match, so we can detect "nobody handled
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* this" by checking `$check === null` at our priority.
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*
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* Storage:
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*
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* CREATE TABLE wp_wpdo_term_misc (
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* term_id BIGINT(20) UNSIGNED NOT NULL,
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* meta_key VARCHAR(191) NOT NULL,
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* meta_value LONGTEXT,
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* updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
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* PRIMARY KEY (term_id, meta_key),
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* KEY meta_key (meta_key)
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* );
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* -- (and corresponding wp_wpdo_comment_misc with comment_id)
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*
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* No reverse-EAV optimization (still K/V storage), but achieves the literal
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* goal of "wp_termmeta / wp_commentmeta zero writes" — making them DROPpable
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* in v3.0.0.
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*
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* 🔒 Lessons applied (v2.11.7): added to TMDO_Hook_Bus_Bridge::COEXIST_WHITELIST.
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*
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* @package WP_Data_Optimizer
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* @since 2.12.4
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* Catch-all storage for unregistered term + comment meta keys.
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*/
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final class TMDO_Term_Comment_Misc_Bucket {
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/** Option toggle key. */
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public const OPT_ENABLED = 'wpdo_term_comment_misc_bucket_enabled';
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/** Filter priority — runs LAST in the chain (after Hook Bus at 10). */
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public const FILTER_PRIORITY = 99;
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/**
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* Register the four metadata filters on `init` priority 5.
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*
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* @return void
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*/
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public static function init(): void {
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if ( ! self::is_enabled() ) {
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return;
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}
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// Term metadata.
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add_filter( 'get_term_metadata', array( self::class, 'on_term_read' ), self::FILTER_PRIORITY, 4 );
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add_filter( 'add_term_metadata', array( self::class, 'on_term_add' ), self::FILTER_PRIORITY, 5 );
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add_filter( 'update_term_metadata', array( self::class, 'on_term_update' ), self::FILTER_PRIORITY, 5 );
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add_filter( 'delete_term_metadata', array( self::class, 'on_term_delete' ), self::FILTER_PRIORITY, 5 );
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// Comment metadata.
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add_filter( 'get_comment_metadata', array( self::class, 'on_comment_read' ), self::FILTER_PRIORITY, 4 );
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add_filter( 'add_comment_metadata', array( self::class, 'on_comment_add' ), self::FILTER_PRIORITY, 5 );
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add_filter( 'update_comment_metadata', array( self::class, 'on_comment_update' ), self::FILTER_PRIORITY, 5 );
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add_filter( 'delete_comment_metadata', array( self::class, 'on_comment_delete' ), self::FILTER_PRIORITY, 5 );
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}
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/**
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* Check the admin toggle. Defaults to enabled.
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*
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* @return bool
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*/
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public static function is_enabled(): bool {
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return (bool) get_option( self::OPT_ENABLED, '1' );
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}
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/**
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* Term-side fully-qualified misc table name.
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*
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* @return string
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*/
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public static function term_table(): string {
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global $wpdb;
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return $wpdb->prefix . 'wpdo_term_misc';
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}
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/**
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* Comment-side fully-qualified misc table name.
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*
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* @return string
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*/
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public static function comment_table(): string {
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global $wpdb;
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return $wpdb->prefix . 'wpdo_comment_misc';
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}
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// ── Term metadata callbacks ───────────────────────────────────────────────
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/**
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* Filter callback: get_term_metadata.
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*
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* @param mixed $pre Filter accumulator.
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* @param int $object_id Term ID.
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* @param string $meta_key Meta key being read.
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* @param bool $single Whether single value was requested.
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* @return mixed
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*/
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public static function on_term_read( $pre, $object_id, $meta_key, $single ) {
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unset( $single );
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// Only handle when no earlier filter has resolved this read.
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if ( null !== $pre ) {
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return $pre;
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}
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if ( ! is_string( $meta_key ) || '' === $meta_key ) {
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return $pre;
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}
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$value = self::read( self::term_table(), 'term_id', (int) $object_id, $meta_key );
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if ( null === $value ) {
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return $pre;
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}
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return array( $value );
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}
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/**
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* Filter callback: add_term_metadata.
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*
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* @param mixed $check Filter accumulator.
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* @param int $object_id Term ID.
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* @param string $meta_key Meta key.
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* @param mixed $meta_value Value.
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* @param bool $unique Unique flag (unused).
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* @return mixed
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*/
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public static function on_term_add( $check, $object_id, $meta_key, $meta_value, $unique ) {
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unset( $unique );
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if ( null !== $check ) {
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return $check;
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}
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if ( ! is_string( $meta_key ) || '' === $meta_key ) {
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return $check;
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}
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self::write( self::term_table(), 'term_id', (int) $object_id, $meta_key, $meta_value );
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return true;
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}
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/**
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* Filter callback: update_term_metadata.
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*
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* @param mixed $check Filter accumulator.
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* @param int $object_id Term ID.
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* @param string $meta_key Meta key.
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* @param mixed $meta_value Value.
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* @param mixed $prev_value Previous value (unused).
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* @return mixed
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*/
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public static function on_term_update( $check, $object_id, $meta_key, $meta_value, $prev_value ) {
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unset( $prev_value );
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if ( null !== $check ) {
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return $check;
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}
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if ( ! is_string( $meta_key ) || '' === $meta_key ) {
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return $check;
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}
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self::write( self::term_table(), 'term_id', (int) $object_id, $meta_key, $meta_value );
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return true;
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}
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/**
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* Filter callback: delete_term_metadata.
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*
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* @param mixed $check Filter accumulator.
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* @param int $object_id Term ID.
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* @param string $meta_key Meta key.
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* @param mixed $meta_value Value-scoped delete (unused).
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* @param bool $delete_all Delete-all flag (unused).
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* @return mixed
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*/
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public static function on_term_delete( $check, $object_id, $meta_key, $meta_value, $delete_all ) {
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unset( $meta_value, $delete_all );
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if ( null !== $check ) {
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return $check;
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}
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if ( ! is_string( $meta_key ) || '' === $meta_key ) {
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return $check;
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}
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self::delete_row( self::term_table(), 'term_id', (int) $object_id, $meta_key );
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return true;
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}
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// ── Comment metadata callbacks ────────────────────────────────────────────
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/**
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* Filter callback: get_comment_metadata.
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*
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* @param mixed $pre Filter accumulator.
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* @param int $object_id Comment ID.
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* @param string $meta_key Meta key.
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* @param bool $single Single flag (unused).
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* @return mixed
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*/
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public static function on_comment_read( $pre, $object_id, $meta_key, $single ) {
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unset( $single );
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if ( null !== $pre ) {
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return $pre;
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}
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if ( ! is_string( $meta_key ) || '' === $meta_key ) {
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return $pre;
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}
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$value = self::read( self::comment_table(), 'comment_id', (int) $object_id, $meta_key );
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if ( null === $value ) {
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return $pre;
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}
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return array( $value );
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}
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/**
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* Filter callback: add_comment_metadata.
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*
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* @param mixed $check Filter accumulator.
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* @param int $object_id Comment ID.
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* @param string $meta_key Meta key.
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* @param mixed $meta_value Value.
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* @param bool $unique Unique flag (unused).
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* @return mixed
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*/
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public static function on_comment_add( $check, $object_id, $meta_key, $meta_value, $unique ) {
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unset( $unique );
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if ( null !== $check ) {
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return $check;
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}
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if ( ! is_string( $meta_key ) || '' === $meta_key ) {
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return $check;
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}
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self::write( self::comment_table(), 'comment_id', (int) $object_id, $meta_key, $meta_value );
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return true;
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}
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/**
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* Filter callback: update_comment_metadata.
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*
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* @param mixed $check Filter accumulator.
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* @param int $object_id Comment ID.
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* @param string $meta_key Meta key.
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* @param mixed $meta_value Value.
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* @param mixed $prev_value Previous value (unused).
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* @return mixed
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*/
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public static function on_comment_update( $check, $object_id, $meta_key, $meta_value, $prev_value ) {
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unset( $prev_value );
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if ( null !== $check ) {
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return $check;
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}
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if ( ! is_string( $meta_key ) || '' === $meta_key ) {
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return $check;
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}
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self::write( self::comment_table(), 'comment_id', (int) $object_id, $meta_key, $meta_value );
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return true;
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}
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/**
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* Filter callback: delete_comment_metadata.
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*
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* @param mixed $check Filter accumulator.
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* @param int $object_id Comment ID.
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* @param string $meta_key Meta key.
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* @param mixed $meta_value Value-scoped (unused).
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* @param bool $delete_all Delete-all flag (unused).
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* @return mixed
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*/
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public static function on_comment_delete( $check, $object_id, $meta_key, $meta_value, $delete_all ) {
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unset( $meta_value, $delete_all );
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if ( null !== $check ) {
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return $check;
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}
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if ( ! is_string( $meta_key ) || '' === $meta_key ) {
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return $check;
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}
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self::delete_row( self::comment_table(), 'comment_id', (int) $object_id, $meta_key );
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return true;
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}
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// ── Internal storage helpers ──────────────────────────────────────────────
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/**
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* Read a value from a misc bucket table.
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*
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* Returns the raw stored value (string), or null when no row exists.
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* Caller must wrap in array for the get_*_metadata filter contract.
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*
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* @param string $table Fully-qualified table name.
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* @param string $id_column 'term_id' or 'comment_id'.
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* @param int $object_id Entity ID.
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* @param string $meta_key Meta key.
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* @return string|null
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*/
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private static function read( string $table, string $id_column, int $object_id, string $meta_key ): ?string {
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global $wpdb;
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// phpcs:disable WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching
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$value = $wpdb->get_var(
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$wpdb->prepare(
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"SELECT meta_value FROM `{$table}` WHERE `{$id_column}` = %d AND meta_key = %s LIMIT 1", // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
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$object_id,
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$meta_key
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)
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);
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// phpcs:enable
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return ( null === $value ) ? null : (string) $value;
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}
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/**
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* Write (INSERT or UPDATE) a value to a misc bucket table.
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*
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* Uses ON DUPLICATE KEY UPDATE — the (id, meta_key) primary key
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* means each (entity, meta_key) pair has a single canonical row.
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*
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* @param string $table Fully-qualified table name.
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* @param string $id_column 'term_id' or 'comment_id'.
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* @param int $object_id Entity ID.
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* @param string $meta_key Meta key.
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* @param mixed $meta_value Value to store. Non-scalar types are serialized.
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* @return void
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*/
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private static function write( string $table, string $id_column, int $object_id, string $meta_key, $meta_value ): void {
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global $wpdb;
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// Match WP convention: serialize arrays/objects, scalar values stored as-is.
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$serialized = is_scalar( $meta_value ) || null === $meta_value
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? (string) $meta_value
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: maybe_serialize( $meta_value );
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// phpcs:disable WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching,WordPress.DB.PreparedSQL.InterpolatedNotPrepared,WordPress.DB.PreparedSQL.NotPrepared
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$wpdb->query(
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$wpdb->prepare(
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"INSERT INTO `{$table}` (`{$id_column}`, meta_key, meta_value) VALUES (%d, %s, %s)
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ON DUPLICATE KEY UPDATE meta_value = VALUES(meta_value)",
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$object_id,
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$meta_key,
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$serialized
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)
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);
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// phpcs:enable
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}
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/**
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* Delete the row matching (object_id, meta_key) from a misc bucket table.
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*
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* @param string $table Fully-qualified table name.
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* @param string $id_column 'term_id' or 'comment_id'.
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* @param int $object_id Entity ID.
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* @param string $meta_key Meta key.
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* @return void
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*/
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private static function delete_row( string $table, string $id_column, int $object_id, string $meta_key ): void {
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global $wpdb;
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// phpcs:disable WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching
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$wpdb->query(
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$wpdb->prepare(
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"DELETE FROM `{$table}` WHERE `{$id_column}` = %d AND meta_key = %s", // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
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$object_id,
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$meta_key
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)
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);
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// phpcs:enable
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}
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/**
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* Count rows in a misc bucket table (for admin status panel).
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*
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* @param string $entity_type 'term' or 'comment'.
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* @return int
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*/
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public static function count_rows( string $entity_type ): int {
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global $wpdb;
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$table = 'comment' === $entity_type ? self::comment_table() : self::term_table();
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// phpcs:disable WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching,WordPress.DB.PreparedSQL.InterpolatedNotPrepared
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$exists = (bool) $wpdb->get_var(
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$wpdb->prepare( 'SHOW TABLES LIKE %s', $table )
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);
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if ( ! $exists ) {
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return 0;
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}
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return (int) $wpdb->get_var( "SELECT COUNT(*) FROM `{$table}`" );
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// phpcs:enable
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}
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}
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