File: /var/www/epamokos.kaunokolegija.lt/wp-content/plugins/wp-debugging/src/Settings.php
<?php
/**
* WP Debugging
*
* @package wp-debugging
* @author Andy Fragen
* @license MIT
*/
namespace Fragen\WP_Debugging;
// Exit if called directly.
if ( ! defined( 'WPINC' ) ) {
die;
}
/**
* Class Settings
*/
class Settings {
/**
* Hold plugin options.
*
* @var array
*/
protected static $options;
/**
* Hold `wp-config.php` file path.
*
* @var string
*/
protected static $config_path;
/**
* Holds pre-defined constants for `wp-config.php`.
*
* @var array
*/
protected $defined_constants;
/**
* Holds config args for WPConfigTransformer.
*
* @var array
*/
protected static $config_args;
/**
* Constructor.
*
* @param array $options Plugin options.
* @param string $config_path Path to config file.
* @param array $defined_constants Pre-defined constant group.
* @return void
*/
public function __construct( $options, $config_path, $defined_constants ) {
self::$options = $options;
self::$config_path = $config_path;
$this->defined_constants = $defined_constants;
self::$config_args = [ 'normalize' => true ];
if ( false === strpos( file_get_contents( self::$config_path ), "/* That's all, stop editing!" ) ) {
if ( 1 === preg_match( '@\$table_prefix(.*;)@', file_get_contents( self::$config_path ), $matches ) ) {
self::$config_args = array_merge(
self::$config_args,
[
'anchor' => "$matches[0]",
'placement' => 'after',
]
);
}
}
}
/**
* Load hooks for settings.
*
* @return self
*/
public function load_hooks() {
add_action( 'admin_init', [ $this, 'add_settings' ] );
add_action( is_multisite() ? 'network_admin_menu' : 'admin_menu', [ $this, 'add_plugin_menu' ] );
add_action( 'network_admin_edit_wp_debugging', [ $this, 'update_settings' ] );
add_action( 'admin_init', [ $this, 'update_settings' ] );
add_filter(
is_multisite()
? 'network_admin_plugin_action_links_wp-debugging/wp-debugging.php'
: 'plugin_action_links_wp-debugging/wp-debugging.php',
[ $this, 'plugin_action_links' ]
);
return $this;
}
/**
* Add plugin menu.
*
* @return void
*/
public function add_plugin_menu() {
$parent = is_multisite() ? 'settings.php' : 'tools.php';
$capability = is_multisite() ? 'manage_network_options' : 'manage_options';
add_submenu_page(
$parent,
esc_html__( 'WP Debugging', 'wp-debugging' ),
esc_html_x( 'WP Debugging', 'Menu item', 'wp-debugging' ),
$capability,
'wp-debugging',
[ $this, 'create_settings_page' ]
);
}
/**
* Update settings on save.
*
* @return void
*/
public function update_settings() {
// Exit if improper privileges.
if ( ! current_user_can( 'manage_options' )
|| ( ! isset( $_POST['_wpnonce'] ) || ! wp_verify_nonce( sanitize_key( wp_unslash( $_POST['_wpnonce'] ) ), 'wp_debugging-options' ) )
) {
return;
}
if ( isset( $_POST['option_page'] ) &&
'wp_debugging' === $_POST['option_page']
) {
$options = isset( $_POST['wp-debugging'] )
? array_map( 'sanitize_text_field', wp_unslash( $_POST['wp-debugging'] ) )
: [];
$options = $this->sanitize( $options );
$this->update_constants( self::$options, $options );
$filtered_options = array_filter(
self::$options,
static function ( $e ) {
return '1' !== $e;
}
);
$options = array_merge( $filtered_options, $options );
update_site_option( 'wp_debugging', (array) $options );
$this->redirect_on_save();
}
}
/**
* Update constants in wp-config.php.
*
* @param array $old Current value of self::$options.
* @param mixed $updated New value of $options.
* @return void
*/
private function update_constants( $old, $updated ) {
$remove = array_diff_assoc( $old, $updated );
$add = array_diff_assoc( $updated, $old );
if ( ! empty( $add ) ) {
$this->add_constants( $add );
}
if ( ! empty( $remove ) ) {
$this->remove_constants( $remove );
}
}
/**
* Add constants to wp-config.php file.
*
* @uses https://github.com/wp-cli/wp-config-transformer
*
* @param array $add Constants to add to wp-config.php.
* @return array $added Array of added constants.
*/
public function add_constants( $add ) {
$added = [];
try {
$config_transformer = new \WPConfigTransformer( self::$config_path );
foreach ( $add as $constant => $config ) {
$value = 'wp_debug_display' === $constant ? 'false' : 'true';
$value = isset( $config['value'] ) ? $config['value'] : $value;
$raw = isset( $config['raw'] ) ? $config['raw'] : true;
self::$config_args = array_merge( self::$config_args, [ 'raw' => $raw ] );
$config_transformer->update( 'constant', strtoupper( $constant ), $value, self::$config_args );
$added[ $constant ] = $value;
}
return $added;
} catch ( \Exception $e ) {
$messsage = 'Caught Exception: \Fragen\WP_Debugging\Settings::add_constants() - ' . $e->getMessage();
// error_log( $messsage );
wp_die( esc_html( $messsage ) );
}
}
/**
* Process user defined constants added via filter.
*
* @return void
*/
public function process_filter_constants() {
/**
* Filter to add user define constants.
*
* @since 2.5.0
*
* @param array Array of added constants.
* The format for adding constants is to return an array of arrays.
* Each array will have the constant as the key with an array of configuration data.
* array(
* 'my_constant' =>
* array(
* 'value' => $value, @type string
* '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.
* ),
* )
* Default is an empty array.
*/
$filter_constants = apply_filters( 'wp_debugging_add_constants', [] );
$remove_user_defined = array_diff( self::$options, array_flip( $this->defined_constants ) );
// Remove and re-add user defined constants. Clean up for when filter removed or changed.
if ( ! empty( $remove_user_defined ) ) {
$this->remove_constants( $remove_user_defined );
}
$added_constants = $this->add_constants( $filter_constants );
$options = array_diff( self::$options, $remove_user_defined );
self::$options = array_merge( $options, $added_constants );
update_site_option( 'wp_debugging', (array) self::$options );
}
/**
* Remove constants from wp-config.php file.
*
* @uses https://github.com/wp-cli/wp-config-transformer
*
* @param array $remove Constants to remove from wp-config.php.
* @return void
*/
public function remove_constants( $remove ) {
try {
$config_transformer = new \WPConfigTransformer( self::$config_path );
foreach ( array_keys( $remove ) as $constant ) {
$config_transformer->remove( 'constant', strtoupper( $constant ) );
}
} catch ( \Exception $e ) {
$messsage = 'Caught Exception: \Fragen\WP_Debugging\Settings::remove_constants() - ' . $e->getMessage();
// error_log( $messsage );
wp_die( esc_html( $messsage ) );
}
}
/**
* Redirect back to settings page on save.
*
* @return void
*/
private function redirect_on_save() {
$update = false;
// phpcs:disable WordPress.Security.NonceVerification.Missing
if ( ( isset( $_POST['action'] ) && 'update' === $_POST['action'] ) &&
( isset( $_POST['option_page'] ) && 'wp_debugging' === $_POST['option_page'] )
) {
$update = true;
}
// phpcs:enable
$redirect_url = is_multisite() ? network_admin_url( 'settings.php' ) : admin_url( 'tools.php' );
if ( $update ) {
$location = add_query_arg(
[
'page' => 'wp-debugging',
'updated' => $update,
],
$redirect_url
);
wp_safe_redirect( $location );
exit;
}
}
/**
* Add notice when settings are saved.
*
* @return void
*/
private function saved_settings_notice() {
// phpcs:disable WordPress.Security.NonceVerification.Recommended
if ( ( isset( $_GET['updated'] ) && '1' === $_GET['updated'] ) ||
( isset( $_GET['settings-updated'] ) && '1' === $_GET['settings-updated'] )
) {
echo '<div class="updated"><p>';
esc_html_e( 'Saved.', 'wp-debugging' );
echo '</p></div>';
}
// phpcs:enable
}
/**
* Register settings.
*
* @return void
*/
public function add_settings() {
register_setting(
'wp_debugging',
'wp_debugging',
[ $this, 'sanitize' ]
);
add_settings_section(
'wp_debugging',
esc_html__( 'Debugging Constants', 'wp-debugging' ),
[ $this, 'print_settings_section' ],
'wp_debugging'
);
add_settings_field(
'wp_debug',
null,
[ $this, 'checkbox_setting' ],
'wp_debugging',
'wp_debugging',
[
'id' => 'wp_debug',
'title' => esc_html__( 'Set WP_DEBUG to true.', 'wp-debugging' ),
]
);
add_settings_field(
'wp_debug_display',
null,
[ $this, 'checkbox_setting' ],
'wp_debugging',
'wp_debugging',
[
'id' => 'wp_debug_display',
'title' => esc_html__( 'Set WP_DEBUG_DISPLAY to false, default is true.', 'wp-debugging' ),
]
);
add_settings_field(
'wp_disable_fatal_error_handler',
null,
[ $this, 'checkbox_setting' ],
'wp_debugging',
'wp_debugging',
[
'id' => 'wp_disable_fatal_error_handler',
'title' => esc_html__( 'Set WP_DISABLE_FATAL_ERROR_HANDLER to true.', 'wp-debugging' ),
'class' => version_compare( get_bloginfo( 'version' ), '5.2', '>=' ) ? '' : 'hidden',
]
);
}
/**
* Print settings section information.
*
* @return void
*/
public function print_settings_section() {
esc_html_e( 'The following constants are set with plugin activation and removed with plugin deactivation.', 'wp-debugging' );
$this->print_constants();
esc_html_e( 'Select the debugging constants.', 'wp-debugging' );
}
/**
* Print current constants.
*
* @return void
*/
private function print_constants() {
$added_constants = apply_filters( 'wp_debugging_add_constants', [] );
$additional_constants = [];
if ( $added_constants ) {
foreach ( $added_constants as $constant => $config ) {
$additional_constants[ $constant ] = $config['value'];
}
}
// Strip user defined constants from $constants array.
$constants = [ 'wp_debug_log', 'script_debug', 'savequeries' ];
$constants = array_merge( array_keys( self::$options ), $constants );
$constants = array_diff( $constants, array_keys( $additional_constants ) );
echo '<pre>';
foreach ( $constants as $constant ) {
$value = 'wp_debug_display' === $constant ? 'false' : 'true';
$constant = strtoupper( $constant );
echo wp_kses_post( "<code>define( '{$constant}', {$value} );</code><br>" );
}
foreach ( $additional_constants as $constant => $value ) {
$value = in_array( $value, [ 'true', 'false' ], true ) ? $value : "'$value'";
$constant = strtoupper( $constant );
echo wp_kses_post( "<code>define( '{$constant}', {$value} );</code><br>" );
}
echo '</pre>';
}
/**
* Create settings page.
*
* @return void
*/
public function create_settings_page() {
$this->saved_settings_notice();
$action = is_multisite() ? 'edit.php?action=wp-debugging' : 'options.php'; ?>
<div class="wrap">
<h1><?php esc_html_e( 'WP Debugging', 'wp-debugging' ); ?></h1>
<div class="updated fade">
<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 as documented in <a href="https://wordpress.org/documentation/article/debugging-in-wordpress/">Debugging in WordPress</a>.', 'wp-debugging' ) ); ?></p>
</div>
<div>
<form method="post" action="<?php echo esc_attr( $action ); ?>">
<?php settings_fields( 'wp_debugging' ); ?>
<?php do_settings_sections( 'wp_debugging' ); ?>
<?php submit_button(); ?>
</form>
</div>
<?php
}
/**
* Sanitize save settings.
*
* @param array $input Input.
* @return array $new_input Sanitized output.
*/
public function sanitize( $input ) {
$new_input = [];
if ( ! is_array( $input ) ) {
$new_input = sanitize_text_field( $input );
} else {
foreach ( array_keys( (array) $input ) as $id ) {
$new_input[ sanitize_text_field( $id ) ] = sanitize_text_field( $input[ $id ] );
}
}
return $new_input;
}
/**
* Get the settings option array and print one of its values.
*
* @param array $args 'id' and 'title'.
*/
public function checkbox_setting( $args ) {
$checked = isset( self::$options[ $args['id'] ] ) ? self::$options[ $args['id'] ] : null;
?>
<style> .form-table th { display:none; } </style>
<label for="<?php echo esc_attr( $args['id'] ); ?>">
<input type="checkbox" name="wp-debugging[<?php echo esc_attr( $args['id'] ); ?>]" value="1" <?php checked( '1', $checked ); ?> >
<?php echo esc_html( $args['title'] ); ?>
</label>
<?php
}
/**
* Add setting link to plugin page.
* Applied to the list of links to display on the plugins page (beside the activate/deactivate links).
*
* @param array $links Plugin links on plugins.php.
*
* @return array
*/
public function plugin_action_links( $links ) {
$settings_page = is_multisite() ? 'settings.php' : 'tools.php';
$link = [ '<a href="' . esc_url( network_admin_url( $settings_page ) ) . '?page=wp-debugging">' . esc_html__( 'Settings', 'wp-debugging' ) . '</a>' ];
return array_merge( $link, $links );
}
}