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<?php |
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|
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if (!defined('ABSPATH')) die('No direct access allowed'); |
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|
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/** |
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* Class WP_Optimization_attachments |
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*/ |
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class WP_Optimization_attachments extends WP_Optimization { |
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|
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public $ui_sort_order = 4500; |
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|
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public $available_for_auto = false; |
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|
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public $auto_default = false; |
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|
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/** |
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* Display or hide optimization in optimizations list. |
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* |
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* @return bool |
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*/ |
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public function display_in_optimizations_list() { |
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return false; |
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} |
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|
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/** |
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* Do actions after optimize() function. |
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*/ |
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public function after_optimize() { |
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|
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// translators: %s: number of orphaned attachments |
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$message = sprintf(_n('%s orphaned attachment deleted', '%s orphaned attachments deleted', $this->processed_count, 'wp-optimize'), number_format_i18n($this->processed_count)); |
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|
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if ($this->is_multisite_mode()) { |
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// translators: %s: number of sites |
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$message .= ' '.sprintf(_n('across %s site', 'across %s sites', count($this->blogs_ids), 'wp-optimize'), count($this->blogs_ids)); |
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} |
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|
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$this->logger->info($message); |
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$this->register_output($message); |
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|
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} |
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|
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/** |
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* Do optimization. |
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*/ |
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public function optimize() { |
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|
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$sql = "SELECT p.ID FROM `{$this->wpdb->posts}` p LEFT JOIN `{$this->wpdb->posts}` pp ON pp.ID = p.post_parent WHERE p.post_parent > %d AND p.post_type = %s AND pp.ID IS NULL;"; |
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|
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$attachment_ids = $this->wpdb->get_col($this->wpdb->prepare($sql, 0, 'attachment')); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared -- `$this->wpdb` is `$wpdb` |
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$count_ids = count($attachment_ids); |
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|
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if ($count_ids > 0) { |
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foreach ($attachment_ids as $attachment_id) { |
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wp_delete_attachment($attachment_id, true); |
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} |
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} |
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|
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$this->processed_count += $count_ids; |
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|
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} |
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|
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/** |
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* Do actions after get_info() function. |
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*/ |
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public function after_get_info() { |
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|
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if ($this->found_count) { |
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// translators: %s: number of orphaned attachments |
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$message = sprintf(_n('%s orphaned attachment found', '%s orphaned attachments found', $this->found_count, 'wp-optimize'), number_format_i18n($this->found_count)); |
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} else { |
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$message = __('No orphaned attachments found', 'wp-optimize'); |
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} |
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|
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if ($this->is_multisite_mode()) { |
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// translators: %s: number of sites |
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$message .= ' '.sprintf(_n('across %s site', 'across %s sites', count($this->blogs_ids), 'wp-optimize'), count($this->blogs_ids)); |
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} |
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|
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$this->register_output($message); |
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|
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} |
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/** |
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* Estimate count of unoptimized items. |
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*/ |
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public function get_info() { |
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|
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$sql = "SELECT COUNT(*) FROM `{$this->wpdb->posts}` p LEFT JOIN `{$this->wpdb->posts}` pp ON pp.ID = p.post_parent WHERE p.post_parent > %d AND p.post_type = %s AND pp.ID IS NULL;"; |
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$postmeta = $this->wpdb->get_var($this->wpdb->prepare($sql, 0, 'attachment')); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared -- `$this->wpdb` is `$wpdb` |
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|
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$this->found_count += $postmeta; |
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|
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} |
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|
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/** |
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* Returns settings label |
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* |
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* @return string |
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*/ |
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public function settings_label() { |
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return __('Remove orphaned attachments', 'wp-optimize'); |
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} |
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} |
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