| 1 |
<?php |
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/** |
| 3 |
* WP Debugging |
| 4 |
* |
| 5 |
* @package wp-debugging |
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* @author Andy Fragen |
| 7 |
* @license MIT |
| 8 |
*/ |
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|
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namespace Fragen\WP_Debugging; |
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|
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/** |
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* Class Settings |
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*/ |
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class Settings { |
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/** |
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* Hold plugin options. |
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* |
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* @var array |
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*/ |
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protected static $options; |
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|
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/** |
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* Hold `wp-config.php` file path. |
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* |
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* @var string |
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*/ |
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protected static $config_path; |
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|
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/** |
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* Holds pre-defined constants for `wp-config.php`. |
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* |
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* @var array |
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*/ |
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protected $defined_constants; |
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|
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/** |
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* Constructor. |
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* |
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* @param array $options Plugin options. |
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* @param string $config_path Path to config file. |
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* @param array $defined_constants Pre-defined constant group. |
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* @return void |
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*/ |
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public function __construct( $options, $config_path, $defined_constants ) { |
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self::$options = $options; |
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self::$config_path = $config_path; |
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$this->defined_constants = $defined_constants; |
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} |
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|
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/** |
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* Load hooks for settings. |
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* |
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* @return void |
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*/ |
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public function load_hooks() { |
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add_action( 'admin_init', [ $this, 'add_settings' ] ); |
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add_action( is_multisite() ? 'network_admin_menu' : 'admin_menu', [ $this, 'add_plugin_menu' ] ); |
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add_action( 'network_admin_edit_wp_debugging', [ $this, 'update_settings' ] ); |
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add_action( 'admin_init', [ $this, 'update_settings' ] ); |
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add_filter( |
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is_multisite() |
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? 'network_admin_plugin_action_links_wp-debugging/wp-debugging.php' |
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: 'plugin_action_links_wp-debugging/wp-debugging.php', |
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[ $this, 'plugin_action_links' ] |
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); |
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} |
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|
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/** |
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* Add plugin menu. |
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* |
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* @return void |
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*/ |
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public function add_plugin_menu() { |
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$parent = is_multisite() ? 'settings.php' : 'tools.php'; |
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$capability = is_multisite() ? 'manage_network' : 'manage_options'; |
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|
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add_submenu_page( |
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$parent, |
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esc_html__( 'WP Debugging', 'wp-debugging' ), |
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esc_html__( 'WP Debugging', 'wp-debugging' ), |
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$capability, |
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'wp-debugging', |
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[ $this, 'create_settings_page' ] |
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); |
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} |
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|
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/** |
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* Update settings on save. |
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* |
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* @return void |
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*/ |
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public function update_settings() { |
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if ( isset( $_POST['option_page'] ) && |
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'wp_debugging' === $_POST['option_page'] |
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) { |
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$options = isset( $_POST['wp-debugging'] ) |
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? $_POST['wp-debugging'] |
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: []; |
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$options = self::sanitize( $options ); |
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$this->update_constants( self::$options, $options ); |
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$filtered_options = array_filter( |
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self::$options, |
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function ( $e ) { |
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return '1' !== $e; |
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} |
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); |
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$options = array_merge( $filtered_options, $options ); |
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update_site_option( 'wp_debugging', (array) $options ); |
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$this->redirect_on_save(); |
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} |
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} |
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|
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/** |
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* Update constants in wp-config.php. |
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* |
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* @param array $old Current value of self::$options. |
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* @param mixed $new New value of $options. |
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* @return void |
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*/ |
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private function update_constants( $old, $new ) { |
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$remove = array_diff_assoc( $old, $new ); |
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$add = array_diff_assoc( $new, $old ); |
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|
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if ( ! empty( $add ) ) { |
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$this->add_constants( $add ); |
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} |
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if ( ! empty( $remove ) ) { |
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$this->remove_constants( $remove ); |
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} |
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} |
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|
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/** |
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* Add constants to wp-config.php file. |
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* |
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* @uses https://github.com/wp-cli/wp-config-transformer |
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* |
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* @param array $add Constants to add to wp-config.php. |
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* @return array $added Array of added constants. |
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*/ |
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public function add_constants( $add ) { |
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$added = []; |
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$config_transformer = new \WPConfigTransformer( self::$config_path ); |
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foreach ( $add as $constant => $config ) { |
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$value = 'wp_debug_display' === $constant ? 'false' : 'true'; |
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$value = isset( $config['value'] ) ? $config['value'] : $value; |
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$raw = isset( $config['raw'] ) ? $config['raw'] : true; |
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$config_args = [ |
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'raw' => $raw, |
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'normalize' => true, |
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]; |
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$config_transformer->update( 'constant', strtoupper( $constant ), $value, $config_args ); |
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$added[ $constant ] = $value; |
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} |
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|
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return $added; |
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} |
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|
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/** |
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* Process user defined constants added via filter. |
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* |
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* @return void |
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*/ |
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public function process_filter_constants() { |
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/** |
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* Filter to add user define constants. |
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* |
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* @since 2.5.0 |
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* |
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* @param array Array of added constants. |
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* The format for adding constants is to return an array of arrays. |
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* Each array will have the constant as the key with an array of configuration data. |
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* array( |
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* 'my_constant' => |
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* array( |
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* 'value' => $value, @type string |
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* 'raw' => $raw, // Optional. @type bool $raw is a boolean where false will return the value in quotes and true will return the raw value. Default is true. |
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* ), |
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* ) |
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* Default is an empty array. |
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*/ |
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$filter_constants = apply_filters( 'wp_debugging_add_constants', [] ); |
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$remove_user_defined = array_diff( self::$options, array_flip( $this->defined_constants ) ); |
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|
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// Remove and re-add user defined constants. Clean up for when filter removed or changed. |
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if ( ! empty( $remove_user_defined ) ) { |
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$this->remove_constants( $remove_user_defined ); |
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} |
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$added_constants = $this->add_constants( $filter_constants ); |
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|
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$options = array_diff( self::$options, $remove_user_defined ); |
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self::$options = array_merge( $options, $added_constants ); |
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update_site_option( 'wp_debugging', (array) self::$options ); |
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} |
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|
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/** |
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* Remove constants from wp-config.php file. |
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* |
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* @uses https://github.com/wp-cli/wp-config-transformer |
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* |
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* @param array $remove Constants to remove from wp-config.php. |
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* @return void |
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*/ |
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public function remove_constants( $remove ) { |
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$config_transformer = new \WPConfigTransformer( self::$config_path ); |
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foreach ( array_keys( $remove ) as $constant ) { |
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$config_transformer->remove( 'constant', strtoupper( $constant ) ); |
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} |
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} |
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|
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/** |
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* Redirect back to settings page on save. |
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* |
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* @return void |
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*/ |
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private function redirect_on_save() { |
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$update = false; |
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if ( ( isset( $_POST['action'] ) && 'update' === $_POST['action'] ) && |
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( isset( $_POST['option_page'] ) && 'wp_debugging' === $_POST['option_page'] ) |
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) { |
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$update = true; |
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} |
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|
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$redirect_url = is_multisite() ? network_admin_url( 'settings.php' ) : admin_url( 'tools.php' ); |
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|
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if ( $update ) { |
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$location = add_query_arg( |
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[ |
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'page' => 'wp-debugging', |
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'updated' => $update, |
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], |
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$redirect_url |
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); |
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wp_safe_redirect( $location ); |
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exit; |
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} |
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} |
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|
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/** |
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* Add notice when settings are saved. |
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* |
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* @return void |
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*/ |
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private function saved_settings_notice() { |
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if ( ( isset( $_GET['updated'] ) && true == $_GET['updated'] ) || |
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( isset( $_GET['settings-updated'] ) && true == $_GET['settings-updated'] ) |
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) { |
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echo '<div class="updated"><p>'; |
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esc_html_e( 'Saved.', 'wp-debugging' ); |
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echo '</p></div>'; |
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} |
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} |
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|
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/** |
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* Register settings. |
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* |
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* @return void |
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*/ |
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public function add_settings() { |
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register_setting( |
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'wp_debugging', |
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'wp_debugging', |
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[ $this, 'sanitize' ] |
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); |
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|
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add_settings_section( |
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'wp_debugging', |
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esc_html__( 'Debugging Constants', 'wp-debugging' ), |
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[ $this, 'print_settings_section' ], |
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'wp_debugging' |
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); |
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|
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add_settings_field( |
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'wp_debug', |
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null, |
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[ $this, 'checkbox_setting' ], |
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'wp_debugging', |
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'wp_debugging', |
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[ |
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'id' => 'wp_debug', |
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'title' => esc_html__( 'Set WP_DEBUG to true.', 'wp-debugging' ), |
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] |
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); |
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|
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add_settings_field( |
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'wp_debug_display', |
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null, |
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[ $this, 'checkbox_setting' ], |
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'wp_debugging', |
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'wp_debugging', |
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[ |
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'id' => 'wp_debug_display', |
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'title' => esc_html__( 'Set WP_DEBUG_DISPLAY to false, default is true.', 'wp-debugging' ), |
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] |
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); |
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|
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if ( version_compare( get_bloginfo( 'version' ), '5.2-beta', '>=' ) ) { |
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add_settings_field( |
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'wp_disable_fatal_error_handler', |
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null, |
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[ $this, 'checkbox_setting' ], |
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'wp_debugging', |
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'wp_debugging', |
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[ |
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'id' => 'wp_disable_fatal_error_handler', |
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'title' => esc_html__( 'Set WP_DISABLE_FATAL_ERROR_HANDLER to true.', 'wp-debugging' ), |
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] |
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); |
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} |
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|
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$this->process_filter_constants(); |
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} |
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|
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/** |
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* Print settings section information. |
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* |
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* @return void |
| 318 |
*/ |
| 319 |
public function print_settings_section() { |
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esc_html_e( 'The following constants are set with plugin activation and removed with plugin deactivation.', 'wp-debugging' ); |
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$this->print_constants(); |
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esc_html_e( 'Select the debugging constants.', 'wp-debugging' ); |
| 323 |
} |
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|
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/** |
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* Print current constants. |
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* |
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* @return void |
| 329 |
*/ |
| 330 |
private function print_constants() { |
| 331 |
$added_constants = apply_filters( 'wp_debugging_add_constants', [] ); |
| 332 |
$additional_constants = []; |
| 333 |
if ( $added_constants ) { |
| 334 |
foreach ( $added_constants as $constant => $config ) { |
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$additional_constants[ $constant ] = $config['value']; |
| 336 |
} |
| 337 |
} |
| 338 |
|
| 339 |
// Strip user defined constants from $constants array. |
| 340 |
$constants = [ 'wp_debug_log', 'script_debug', 'savequeries' ]; |
| 341 |
$constants = array_merge( array_keys( self::$options ), $constants ); |
| 342 |
$constants = array_diff( $constants, array_keys( $additional_constants ) ); |
| 343 |
|
| 344 |
echo '<pre>'; |
| 345 |
foreach ( $constants as $constant ) { |
| 346 |
$value = 'wp_debug_display' === $constant ? 'false' : 'true'; |
| 347 |
$constant = strtoupper( $constant ); |
| 348 |
echo wp_kses_post( "<code>define( '{$constant}', {$value} );</code><br>" ); |
| 349 |
} |
| 350 |
foreach ( $additional_constants as $constant => $value ) { |
| 351 |
$value = in_array( $value, [ 'true', 'false' ], true ) ? $value : "'$value'"; |
| 352 |
$constant = strtoupper( $constant ); |
| 353 |
echo wp_kses_post( "<code>define( '{$constant}', {$value} );</code><br>" ); |
| 354 |
} |
| 355 |
echo '</pre>'; |
| 356 |
} |
| 357 |
|
| 358 |
/** |
| 359 |
* Create settings page. |
| 360 |
* |
| 361 |
* @return void |
| 362 |
*/ |
| 363 |
public function create_settings_page() { |
| 364 |
$this->saved_settings_notice(); |
| 365 |
$action = is_multisite() ? 'edit.php?action=wp-debugging' : 'options.php'; ?> |
| 366 |
<div class="wrap"> |
| 367 |
<h1><?php esc_html_e( 'WP Debugging', 'wp-debugging' ); ?></h1> |
| 368 |
<div class="updated fade"> |
| 369 |
<p><?php echo wp_kses_post( __( '<strong>Please note:</strong> Your <code>wp-config.php</code> file must be writable by the filesystem. Any errors will result in a PHP Exception being thrown. Debug constants per <a href="https://codex.wordpress.org/Debugging_in_WordPress">Debugging in WordPress</a>.', 'wp-debugging' ) ); ?></p> |
| 370 |
</div> |
| 371 |
<div> |
| 372 |
<form method="post" action="<?php esc_attr_e( $action ); ?>"> |
| 373 |
<?php settings_fields( 'wp_debugging' ); ?> |
| 374 |
<?php do_settings_sections( 'wp_debugging' ); ?> |
| 375 |
<?php submit_button(); ?> |
| 376 |
</form> |
| 377 |
</div> |
| 378 |
<?php |
| 379 |
} |
| 380 |
|
| 381 |
/** |
| 382 |
* Sanitize save settings. |
| 383 |
* |
| 384 |
* @param array $input Input. |
| 385 |
* @return array $new_input Sanitized output. |
| 386 |
*/ |
| 387 |
public function sanitize( $input ) { |
| 388 |
$new_input = []; |
| 389 |
if ( ! is_array( $input ) ) { |
| 390 |
$new_input = sanitize_text_field( $input ); |
| 391 |
} else { |
| 392 |
foreach ( array_keys( (array) $input ) as $id ) { |
| 393 |
$new_input[ sanitize_text_field( $id ) ] = sanitize_text_field( $input[ $id ] ); |
| 394 |
} |
| 395 |
} |
| 396 |
|
| 397 |
return $new_input; |
| 398 |
} |
| 399 |
|
| 400 |
/** |
| 401 |
* Get the settings option array and print one of its values. |
| 402 |
* |
| 403 |
* @param array $args 'id' and 'title'. |
| 404 |
*/ |
| 405 |
public function checkbox_setting( $args ) { |
| 406 |
$checked = isset( self::$options[ $args['id'] ] ) ? self::$options[ $args['id'] ] : null; |
| 407 |
?> |
| 408 |
<style> .form-table th { display:none; } </style> |
| 409 |
<label for="<?php esc_attr_e( $args['id'] ); ?>"> |
| 410 |
<input type="checkbox" name="wp-debugging[<?php esc_attr_e( $args['id'] ); ?>]" value="1" <?php checked( '1', $checked ); ?> > |
| 411 |
<?php esc_html_e( $args['title'] ); ?> |
| 412 |
</label> |
| 413 |
<?php |
| 414 |
} |
| 415 |
|
| 416 |
/** |
| 417 |
* Add setting link to plugin page. |
| 418 |
* Applied to the list of links to display on the plugins page (beside the activate/deactivate links). |
| 419 |
* |
| 420 |
* @param array $links Plugin links on plugins.php. |
| 421 |
* |
| 422 |
* @return array |
| 423 |
*/ |
| 424 |
public function plugin_action_links( $links ) { |
| 425 |
$settings_page = is_multisite() ? 'settings.php' : 'tools.php'; |
| 426 |
$link = [ '<a href="' . esc_url( network_admin_url( $settings_page ) ) . '?page=wp-debugging">' . esc_html__( 'Settings', 'wp-debugging' ) . '</a>' ]; |
| 427 |
|
| 428 |
return array_merge( $links, $link ); |
| 429 |
} |
| 430 |
} |
| 431 |
|
