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<?php |
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/** |
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* This file registers the settings. |
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* |
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* @package Code_Snippets |
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*/ |
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|
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namespace Code_Snippets\Settings; |
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|
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use Code_Snippets\Client\Welcome_Client; |
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use Code_Snippets\Controller\Cloud_Search_Controller; |
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use function add_action; |
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use function Code_Snippets\clean_snippets_cache; |
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use function Code_Snippets\flush_versioned_cache_groups; |
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use function Code_Snippets\code_snippets; |
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use function Code_Snippets\Utils\add_self_option; |
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use function Code_Snippets\Utils\get_self_option; |
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use function Code_Snippets\Utils\update_self_option; |
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use const Code_Snippets\CACHE_GROUP; |
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|
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const CACHE_KEY = 'code_snippets_settings'; |
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const OPTION_GROUP = 'code-snippets'; |
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const OPTION_NAME = 'code_snippets_settings'; |
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|
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/** |
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* Returns 'true' if plugin settings are unified on a multisite installation |
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* under the Network Admin settings menu |
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* |
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* This option is controlled by the "Enable administration menus" setting on the Network Settings menu |
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* |
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* @return bool |
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*/ |
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function are_settings_unified(): bool { |
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if ( ! is_multisite() ) { |
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return false; |
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} |
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|
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$menu_perms = get_site_option( 'menu_items', [] ); |
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return empty( $menu_perms['snippets_settings'] ); |
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} |
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|
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/** |
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* Retrieve the setting values from the database. |
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* |
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* If a setting does not exist in the database, the default value will be returned. |
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* |
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* @return array<string, array<string, mixed>> |
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*/ |
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function get_settings_values(): array { |
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$settings = wp_cache_get( CACHE_KEY, CACHE_GROUP ); |
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if ( $settings ) { |
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return $settings; |
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} |
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|
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$settings = Settings_Fields::get_default_values(); |
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$saved = get_self_option( are_settings_unified(), OPTION_NAME, [] ); |
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|
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// Deep merge the saved settings with the default values. |
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foreach ( $settings as $section => $section_fields ) { |
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if ( isset( $saved[ $section ] ) ) { |
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$settings[ $section ] = array_replace( $section_fields, $saved[ $section ] ); |
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} |
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} |
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|
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wp_cache_set( CACHE_KEY, $settings, CACHE_GROUP ); |
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return $settings; |
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} |
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|
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/** |
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* Retrieve an individual setting field value |
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* |
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* @param string $section ID of the section the setting belongs to. |
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* @param string $field ID of the setting field. |
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* |
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* @return mixed |
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*/ |
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function get_setting( string $section, string $field ) { |
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$settings = get_settings_values(); |
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|
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return $settings[ $section ][ $field ] ?? null; |
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} |
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|
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/** |
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* Update a single setting to a new value. |
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* |
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* @param string $section ID of the section the setting belongs to. |
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* @param string $field ID of the setting field. |
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* @param mixed $new_value Setting value. Expected to not be SQL-escaped. |
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* |
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* @return bool False if value was not updated. True if value was updated. |
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*/ |
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function update_setting( string $section, string $field, $new_value ): bool { |
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$settings = get_settings_values(); |
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|
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$settings[ $section ][ $field ] = $new_value; |
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|
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wp_cache_set( CACHE_KEY, $settings, CACHE_GROUP ); |
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return update_self_option( are_settings_unified(), OPTION_NAME, $settings ); |
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} |
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|
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/** |
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* Render the fields of a settings section, with group headings. |
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* |
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* Mirrors the core `do_settings_fields()`, adding a full-width heading row |
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* above any field carrying a `group_heading` argument. Tabs are long enough |
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* that unbroken rows are hard to scan. |
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* |
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* @param string $page Settings page slug. |
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* @param string $section Settings section identifier. |
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* |
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* @return void |
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*/ |
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function do_settings_fields_with_headings( string $page, string $section ): void { |
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global $wp_settings_fields; |
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|
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if ( ! isset( $wp_settings_fields[ $page ][ $section ] ) ) { |
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return; |
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} |
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|
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$seen_headings = []; |
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|
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foreach ( (array) $wp_settings_fields[ $page ][ $section ] as $field ) { |
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$heading = $field['args']['group_heading'] ?? ''; |
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|
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// A heading is skipped if an identical one has already been drawn, so |
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// that a group whose first field is absent does not repeat it. |
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if ( $heading && ! in_array( $heading, $seen_headings, true ) ) { |
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$seen_headings[] = $heading; |
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printf( |
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'<tr class="settings-group-heading"><th colspan="2" scope="colgroup">%s</th></tr>', |
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esc_html( $heading ) |
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); |
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} |
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|
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$class = empty( $field['args']['class'] ) ? '' : ' class="' . esc_attr( $field['args']['class'] ) . '"'; |
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|
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echo '<tr' . $class . '>'; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Escaped above. |
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|
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// A field with no title, such as a notice rendered by a callback, spans |
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// the row rather than leaving an empty header cell for a screen reader. |
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if ( '' === (string) $field['title'] ) { |
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echo '<td colspan="2">'; |
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call_user_func( $field['callback'], $field['args'] ); |
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echo '</td></tr>'; |
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continue; |
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} |
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|
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if ( ! empty( $field['args']['label_for'] ) ) { |
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printf( |
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'<th scope="row"><label for="%s">%s</label></th>', |
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esc_attr( $field['args']['label_for'] ), |
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esc_html( $field['title'] ) |
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); |
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} else { |
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printf( '<th scope="row">%s</th>', esc_html( $field['title'] ) ); |
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} |
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|
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echo '<td>'; |
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call_user_func( $field['callback'], $field['args'] ); |
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echo '</td></tr>'; |
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} |
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} |
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|
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/** |
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* Retrieve the settings sections |
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* |
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* @return array<string, string> Settings sections. |
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*/ |
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function get_settings_sections(): array { |
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// Tabs are grouped by task rather than by storage section. Values still |
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// save into their original sections; see Settings_Layout. |
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$sections = Settings_Layout::get_available_tabs(); |
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|
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return apply_filters( 'code_snippets_settings_sections', $sections ); |
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} |
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|
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/** |
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* Register settings sections, fields, etc |
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*/ |
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function register_plugin_settings() { |
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if ( ! get_self_option( are_settings_unified(), OPTION_NAME ) ) { |
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add_self_option( are_settings_unified(), OPTION_NAME, Settings_Fields::get_default_values() ); |
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} |
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|
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$current_settings = get_settings_values(); |
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|
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// Register the setting. |
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register_setting( |
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OPTION_GROUP, |
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OPTION_NAME, |
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[ 'sanitize_callback' => __NAMESPACE__ . '\\sanitize_settings' ] |
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); |
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|
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// Register settings sections. |
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foreach ( get_settings_sections() as $section_id => $section_name ) { |
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add_settings_section( $section_id, $section_name, '__return_empty_string', 'code-snippets' ); |
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} |
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|
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// Register settings fields. The tab a field appears under comes from the |
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// layout, while the section it saves into stays exactly as it was. |
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$definitions = Settings_Fields::get_field_definitions(); |
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$descriptions = Settings_Layout::get_descriptions(); |
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$headings = Settings_Layout::get_group_headings(); |
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|
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foreach ( get_settings_sections() as $tab_id => $tab_name ) { |
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foreach ( Settings_Layout::get_visible_fields( $tab_id, $current_settings ) as $entry ) { |
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list( $section_id, $field_id ) = $entry; |
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$field = $definitions[ $section_id ][ $field_id ]; |
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|
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// Reword the settings whose description names the control without |
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// saying what it buys you. |
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if ( isset( $descriptions[ $field_id ] ) ) { |
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$field['desc'] = $descriptions[ $field_id ]; |
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} |
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|
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$field_object = new Setting_Field( $section_id, $field_id, $field ); |
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|
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// Field types that render a single labelable control get their table |
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// heading turned into a real <label for>, giving the control an |
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// accessible name. Checkboxes render their own labels, and |
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// callback/action fields have no single control to point at. |
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$labelable_types = [ 'text', 'number', 'select' ]; |
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$field_args = []; |
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|
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if ( isset( $field['type'] ) && in_array( $field['type'], $labelable_types, true ) ) { |
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$field_args['label_for'] = $field_object->element_id; |
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} |
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|
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if ( isset( $headings[ $tab_id ][ $field_id ] ) ) { |
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$field_args['group_heading'] = $headings[ $tab_id ][ $field_id ]; |
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} |
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|
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add_settings_field( |
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$field_id, |
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$field['name'], |
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[ $field_object, 'render' ], |
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'code-snippets', |
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$tab_id, |
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$field_args |
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); |
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} |
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} |
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|
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$editor_preview = new Editor_Preview(); |
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|
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// Add editor preview as a field. |
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add_settings_field( |
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'editor_preview', |
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__( 'Editor Preview', 'code-snippets' ), |
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[ $editor_preview, 'render' ], |
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'code-snippets', |
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'editing' |
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); |
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|
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Version_Switch::init(); |
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} |
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|
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add_action( 'admin_init', __NAMESPACE__ . '\\register_plugin_settings' ); |
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|
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/** |
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* Determine whether a setting field should be rendered. |
| 262 |
* |
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* @param array<string, mixed> $field Field definition. |
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* @param array<string, array<string,mixed>> $settings Current settings values. |
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* @param array<string, array<string,mixed>>|null $input Optional raw input values. |
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* |
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* @return bool |
| 268 |
*/ |
| 269 |
function should_render_setting_field( array $field, array $settings, ?array $input = null ): bool { |
| 270 |
if ( empty( $field['show_if'] ) || ! is_array( $field['show_if'] ) ) { |
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return true; |
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} |
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|
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$show_if = array_merge( |
| 275 |
[ |
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'section' => '', |
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'field' => '', |
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'value' => true, |
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], |
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$field['show_if'] |
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); |
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|
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$section = is_string( $show_if['section'] ) ? $show_if['section'] : ''; |
| 284 |
$field_id = is_string( $show_if['field'] ) ? $show_if['field'] : ''; |
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$expected = $show_if['value']; |
| 286 |
|
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if ( '' === $section || '' === $field_id ) { |
| 288 |
return true; |
| 289 |
} |
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|
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$actual = null; |
| 292 |
|
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if ( is_array( $input ) && isset( $input[ $section ] ) && is_array( $input[ $section ] ) && array_key_exists( $field_id, $input[ $section ] ) ) { |
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$actual = $input[ $section ][ $field_id ]; |
| 295 |
} elseif ( isset( $settings[ $section ] ) && array_key_exists( $field_id, $settings[ $section ] ) ) { |
| 296 |
$actual = $settings[ $section ][ $field_id ]; |
| 297 |
} |
| 298 |
|
| 299 |
if ( is_bool( $expected ) ) { |
| 300 |
if ( is_bool( $actual ) ) { |
| 301 |
return $actual === $expected; |
| 302 |
} |
| 303 |
|
| 304 |
return ( 'on' === $actual ) === $expected; |
| 305 |
} |
| 306 |
|
| 307 |
return $actual === $expected; |
| 308 |
} |
| 309 |
|
| 310 |
/** |
| 311 |
* Sanitize a single setting value. |
| 312 |
* |
| 313 |
* @param array<string, mixed> $field Setting field information. |
| 314 |
* @param mixed $input_value User input setting value, or null if missing. |
| 315 |
* |
| 316 |
* @return mixed Sanitized setting value, or null if unset. |
| 317 |
*/ |
| 318 |
function sanitize_setting_value( array $field, $input_value ) { |
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switch ( $field['type'] ) { |
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|
| 321 |
case 'checkbox': |
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return 'on' === $input_value; |
| 323 |
|
| 324 |
case 'number': |
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return intval( $input_value ); |
| 326 |
|
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case 'select': |
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$select_options = array_map( 'strval', array_keys( $field['options'] ) ); |
| 329 |
return in_array( strval( $input_value ), $select_options, true ) ? $input_value : null; |
| 330 |
|
| 331 |
case 'checkboxes': |
| 332 |
$results = []; |
| 333 |
|
| 334 |
if ( ! empty( $input_value ) ) { |
| 335 |
foreach ( $field['options'] as $option_id => $option_label ) { |
| 336 |
if ( isset( $input_value[ $option_id ] ) && 'on' === $input_value[ $option_id ] ) { |
| 337 |
$results[] = $option_id; |
| 338 |
} |
| 339 |
} |
| 340 |
} |
| 341 |
|
| 342 |
return $results; |
| 343 |
|
| 344 |
case 'text': |
| 345 |
case 'hidden': |
| 346 |
return trim( sanitize_text_field( $input_value ) ); |
| 347 |
|
| 348 |
case 'callback': |
| 349 |
return isset( $field['sanitize_callback'] ) && is_callable( $field['sanitize_callback'] ) ? |
| 350 |
call_user_func( $field['sanitize_callback'], $input_value ) : |
| 351 |
null; |
| 352 |
|
| 353 |
default: |
| 354 |
return null; |
| 355 |
} |
| 356 |
} |
| 357 |
|
| 358 |
/** |
| 359 |
* Process settings actions. |
| 360 |
* |
| 361 |
* @param array $input Provided settings input. |
| 362 |
* |
| 363 |
* @return array|null New $input value to return, or null to continue with settings update process. |
| 364 |
*/ |
| 365 |
function process_settings_actions( array $input ): ?array { |
| 366 |
|
| 367 |
if ( isset( $input['reset_settings'] ) ) { |
| 368 |
add_settings_error( |
| 369 |
OPTION_NAME, |
| 370 |
'settings_reset', |
| 371 |
__( 'All settings have been reset to their defaults.', 'code-snippets' ), |
| 372 |
'updated' |
| 373 |
); |
| 374 |
|
| 375 |
delete_option( 'code_snippets_cloud_settings' ); |
| 376 |
return []; |
| 377 |
} |
| 378 |
|
| 379 |
if ( isset( $input['debug']['database_update'] ) ) { |
| 380 |
code_snippets()->db->create_or_upgrade_tables(); |
| 381 |
|
| 382 |
add_settings_error( |
| 383 |
OPTION_NAME, |
| 384 |
'database_update_done', |
| 385 |
__( 'Successfully performed database table upgrade.', 'code-snippets' ), |
| 386 |
'updated' |
| 387 |
); |
| 388 |
} |
| 389 |
|
| 390 |
if ( isset( $input['debug']['reset_caches'] ) ) { |
| 391 |
Welcome_Client::clear_cache(); |
| 392 |
Cloud_Search_Controller::clear_caches(); |
| 393 |
clean_snippets_cache( code_snippets()->db->get_table_name( false ) ); |
| 394 |
|
| 395 |
if ( is_multisite() ) { |
| 396 |
clean_snippets_cache( code_snippets()->db->get_table_name( true ) ); |
| 397 |
} |
| 398 |
|
| 399 |
// Deleting known keys cannot reach data written by a different version |
| 400 |
// of the plugin, which is what needs clearing before a rollback, so the |
| 401 |
// versioned groups (current, previous and legacy) all go too. |
| 402 |
flush_versioned_cache_groups( (string) get_option( 'code_snippets_cache_version', '' ) ); |
| 403 |
|
| 404 |
add_settings_error( |
| 405 |
OPTION_NAME, |
| 406 |
'snippet_caches_reset', |
| 407 |
__( 'Successfully reset snippets caches.', 'code-snippets' ), |
| 408 |
'updated' |
| 409 |
); |
| 410 |
} |
| 411 |
|
| 412 |
return null; |
| 413 |
} |
| 414 |
|
| 415 |
/** |
| 416 |
* Validate the settings |
| 417 |
* |
| 418 |
* @param array<string, array<string, mixed>> $input The received settings. |
| 419 |
* |
| 420 |
* @return array<string, array<string, mixed>> The validated settings. |
| 421 |
*/ |
| 422 |
function sanitize_settings( array $input ): array { |
| 423 |
wp_cache_delete( CACHE_KEY, CACHE_GROUP ); |
| 424 |
$result = process_settings_actions( $input ); |
| 425 |
|
| 426 |
if ( ! is_null( $result ) ) { |
| 427 |
return $result; |
| 428 |
} |
| 429 |
|
| 430 |
$settings = get_settings_values(); |
| 431 |
$updated = false; |
| 432 |
|
| 433 |
// Don't directly loop through $input as it does not include as deselected checkboxes. |
| 434 |
foreach ( Settings_Fields::get_field_definitions() as $section_id => $fields ) { |
| 435 |
foreach ( $fields as $field_id => $field ) { |
| 436 |
if ( ! should_render_setting_field( $field, $settings, $input ) ) { |
| 437 |
continue; |
| 438 |
} |
| 439 |
|
| 440 |
// Fetch the corresponding input value from the posted data. |
| 441 |
$input_value = $input[ $section_id ][ $field_id ] ?? null; |
| 442 |
$stored_value = $settings[ $section_id ][ $field_id ] ?? null; |
| 443 |
|
| 444 |
// Attempt to sanitize the setting value. |
| 445 |
$sanitized_value = sanitize_setting_value( $field, $input_value ); |
| 446 |
|
| 447 |
if ( ! is_null( $sanitized_value ) && $stored_value !== $sanitized_value ) { |
| 448 |
$settings[ $section_id ][ $field_id ] = $sanitized_value; |
| 449 |
$updated = true; |
| 450 |
} |
| 451 |
} |
| 452 |
} |
| 453 |
|
| 454 |
// Add an updated message. |
| 455 |
if ( $updated ) { |
| 456 |
add_settings_error( |
| 457 |
OPTION_NAME, |
| 458 |
'settings-saved', |
| 459 |
__( 'Settings saved.', 'code-snippets' ), |
| 460 |
'updated' |
| 461 |
); |
| 462 |
|
| 463 |
do_action( 'code_snippets/settings_updated', $settings, $input ); |
| 464 |
} |
| 465 |
|
| 466 |
return $settings; |
| 467 |
} |
| 468 |
|