| 1 |
<?php |
| 2 |
/** |
| 3 |
* WP Debugging |
| 4 |
* |
| 5 |
* @package wp-debugging |
| 6 |
* @author Andy Fragen |
| 7 |
* @license MIT |
| 8 |
*/ |
| 9 |
|
| 10 |
namespace Fragen\WP_Debugging; |
| 11 |
|
| 12 |
// Exit if called directly. |
| 13 |
if ( ! defined( 'WPINC' ) ) { |
| 14 |
die; |
| 15 |
} |
| 16 |
|
| 17 |
/** |
| 18 |
* Class Settings |
| 19 |
*/ |
| 20 |
class Settings { |
| 21 |
/** |
| 22 |
* Hold plugin options. |
| 23 |
* |
| 24 |
* @var array |
| 25 |
*/ |
| 26 |
protected static $options; |
| 27 |
|
| 28 |
/** |
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* Hold `wp-config.php` file path. |
| 30 |
* |
| 31 |
* @var string |
| 32 |
*/ |
| 33 |
protected static $config_path; |
| 34 |
|
| 35 |
/** |
| 36 |
* Holds pre-defined constants for `wp-config.php`. |
| 37 |
* |
| 38 |
* @var array |
| 39 |
*/ |
| 40 |
protected $defined_constants; |
| 41 |
|
| 42 |
/** |
| 43 |
* Holds config args for WPConfigTransformer. |
| 44 |
* |
| 45 |
* @var array |
| 46 |
*/ |
| 47 |
protected static $config_args; |
| 48 |
|
| 49 |
/** |
| 50 |
* Holds nonce. |
| 51 |
* |
| 52 |
* @var $nonce |
| 53 |
*/ |
| 54 |
protected static $nonce; |
| 55 |
|
| 56 |
/** |
| 57 |
* Constructor. |
| 58 |
* |
| 59 |
* @param array $options Plugin options. |
| 60 |
* @param string $config_path Path to config file. |
| 61 |
* @param array $defined_constants Pre-defined constant group. |
| 62 |
* @return void |
| 63 |
*/ |
| 64 |
public function __construct( $options, $config_path, $defined_constants ) { |
| 65 |
self::$options = $options; |
| 66 |
self::$config_path = $config_path; |
| 67 |
$this->defined_constants = $defined_constants; |
| 68 |
self::$config_args = [ 'normalize' => true ]; |
| 69 |
static::$nonce = wp_create_nonce( 'wp-debugging' ); |
| 70 |
|
| 71 |
if ( false === strpos( file_get_contents( self::$config_path ), "/* That's all, stop editing!" ) ) { |
| 72 |
if ( 1 === preg_match( '@\$table_prefix = (.*);@', file_get_contents( self::$config_path ), $matches ) ) { |
| 73 |
self::$config_args = array_merge( |
| 74 |
self::$config_args, |
| 75 |
[ |
| 76 |
'anchor' => "$matches[0]", |
| 77 |
'placement' => 'after', |
| 78 |
] |
| 79 |
); |
| 80 |
} |
| 81 |
} |
| 82 |
} |
| 83 |
|
| 84 |
/** |
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* Load hooks for settings. |
| 86 |
* |
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* @return self |
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*/ |
| 89 |
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' ] ); |
| 92 |
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', |
| 98 |
[ $this, 'plugin_action_links' ] |
| 99 |
); |
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|
| 101 |
return $this; |
| 102 |
} |
| 103 |
|
| 104 |
/** |
| 105 |
* Add plugin menu. |
| 106 |
* |
| 107 |
* @return void |
| 108 |
*/ |
| 109 |
public function add_plugin_menu() { |
| 110 |
$parent = is_multisite() ? 'settings.php' : 'tools.php'; |
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$capability = is_multisite() ? 'manage_network_options' : 'manage_options'; |
| 112 |
|
| 113 |
add_submenu_page( |
| 114 |
$parent, |
| 115 |
esc_html__( 'WP Debugging', 'wp-debugging' ), |
| 116 |
esc_html_x( 'WP Debugging', 'Menu item', 'wp-debugging' ), |
| 117 |
$capability, |
| 118 |
'wp-debugging', |
| 119 |
[ $this, 'create_settings_page' ] |
| 120 |
); |
| 121 |
} |
| 122 |
|
| 123 |
/** |
| 124 |
* Update settings on save. |
| 125 |
* |
| 126 |
* @return void |
| 127 |
*/ |
| 128 |
public function update_settings() { |
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// Exit if improper privileges. |
| 130 |
if ( ! current_user_can( 'manage_options' ) || ! wp_verify_nonce( static::$nonce, 'wp-debugging' ) ) { |
| 131 |
return; |
| 132 |
} |
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|
| 134 |
if ( isset( $_POST['option_page'] ) && |
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'wp_debugging' === $_POST['option_page'] |
| 136 |
) { |
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$options = isset( $_POST['wp-debugging'] ) |
| 138 |
? array_map( 'sanitize_text_field', wp_unslash( $_POST['wp-debugging'] ) ) |
| 139 |
: []; |
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|
| 141 |
$options = $this->sanitize( $options ); |
| 142 |
$this->update_constants( self::$options, $options ); |
| 143 |
$filtered_options = array_filter( |
| 144 |
self::$options, |
| 145 |
function ( $e ) { |
| 146 |
return '1' !== $e; |
| 147 |
} |
| 148 |
); |
| 149 |
$options = array_merge( $filtered_options, $options ); |
| 150 |
update_site_option( 'wp_debugging', (array) $options ); |
| 151 |
$this->redirect_on_save(); |
| 152 |
} |
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} |
| 154 |
|
| 155 |
/** |
| 156 |
* Update constants in wp-config.php. |
| 157 |
* |
| 158 |
* @param array $old Current value of self::$options. |
| 159 |
* @param mixed $new New value of $options. |
| 160 |
* @return void |
| 161 |
*/ |
| 162 |
private function update_constants( $old, $new ) { |
| 163 |
$remove = array_diff_assoc( $old, $new ); |
| 164 |
$add = array_diff_assoc( $new, $old ); |
| 165 |
|
| 166 |
if ( ! empty( $add ) ) { |
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$this->add_constants( $add ); |
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} |
| 169 |
if ( ! empty( $remove ) ) { |
| 170 |
$this->remove_constants( $remove ); |
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} |
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} |
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|
| 174 |
/** |
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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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*/ |
| 182 |
public function add_constants( $add ) { |
| 183 |
$added = []; |
| 184 |
try { |
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$config_transformer = new \WPConfigTransformer( self::$config_path ); |
| 186 |
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'] ) ? $config['raw'] : true; |
| 190 |
self::$config_args = array_merge( self::$config_args, [ 'raw' => $raw ] ); |
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$config_transformer->update( 'constant', strtoupper( $constant ), $value, self::$config_args ); |
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$added[ $constant ] = $value; |
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} |
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|
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return $added; |
| 196 |
} catch ( \Exception $e ) { |
| 197 |
$messsage = 'Caught Exception: \Fragen\WP_Debugging\Settings::add_constants() - ' . $e->getMessage(); |
| 198 |
// error_log( $messsage ); |
| 199 |
wp_die( esc_html( $messsage ) ); |
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} |
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} |
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|
| 203 |
/** |
| 204 |
* Process user defined constants added via filter. |
| 205 |
* |
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* @return void |
| 207 |
*/ |
| 208 |
public function process_filter_constants() { |
| 209 |
/** |
| 210 |
* Filter to add user define constants. |
| 211 |
* |
| 212 |
* @since 2.5.0 |
| 213 |
* |
| 214 |
* @param array Array of added constants. |
| 215 |
* The format for adding constants is to return an array of arrays. |
| 216 |
* Each array will have the constant as the key with an array of configuration data. |
| 217 |
* array( |
| 218 |
* 'my_constant' => |
| 219 |
* array( |
| 220 |
* 'value' => $value, @type string |
| 221 |
* '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. |
| 222 |
* ), |
| 223 |
* ) |
| 224 |
* Default is an empty array. |
| 225 |
*/ |
| 226 |
$filter_constants = apply_filters( 'wp_debugging_add_constants', [] ); |
| 227 |
$remove_user_defined = array_diff( self::$options, array_flip( $this->defined_constants ) ); |
| 228 |
|
| 229 |
// Remove and re-add user defined constants. Clean up for when filter removed or changed. |
| 230 |
if ( ! empty( $remove_user_defined ) ) { |
| 231 |
$this->remove_constants( $remove_user_defined ); |
| 232 |
} |
| 233 |
$added_constants = $this->add_constants( $filter_constants ); |
| 234 |
|
| 235 |
$options = array_diff( self::$options, $remove_user_defined ); |
| 236 |
self::$options = array_merge( $options, $added_constants ); |
| 237 |
update_site_option( 'wp_debugging', (array) self::$options ); |
| 238 |
} |
| 239 |
|
| 240 |
/** |
| 241 |
* Remove constants from wp-config.php file. |
| 242 |
* |
| 243 |
* @uses https://github.com/wp-cli/wp-config-transformer |
| 244 |
* |
| 245 |
* @param array $remove Constants to remove from wp-config.php. |
| 246 |
* @return void |
| 247 |
*/ |
| 248 |
public function remove_constants( $remove ) { |
| 249 |
try { |
| 250 |
$config_transformer = new \WPConfigTransformer( self::$config_path ); |
| 251 |
foreach ( array_keys( $remove ) as $constant ) { |
| 252 |
$config_transformer->remove( 'constant', strtoupper( $constant ) ); |
| 253 |
} |
| 254 |
} catch ( \Exception $e ) { |
| 255 |
$messsage = 'Caught Exception: \Fragen\WP_Debugging\Settings::remove_constants() - ' . $e->getMessage(); |
| 256 |
// error_log( $messsage ); |
| 257 |
wp_die( esc_html( $messsage ) ); |
| 258 |
} |
| 259 |
} |
| 260 |
|
| 261 |
/** |
| 262 |
* Redirect back to settings page on save. |
| 263 |
* |
| 264 |
* @return void |
| 265 |
*/ |
| 266 |
private function redirect_on_save() { |
| 267 |
$update = false; |
| 268 |
if ( ! wp_verify_nonce( static::$nonce, 'wp-debugging' ) ) { |
| 269 |
return; |
| 270 |
} |
| 271 |
|
| 272 |
if ( ( isset( $_POST['action'] ) && 'update' === $_POST['action'] ) && |
| 273 |
( isset( $_POST['option_page'] ) && 'wp_debugging' === $_POST['option_page'] ) |
| 274 |
) { |
| 275 |
$update = true; |
| 276 |
} |
| 277 |
|
| 278 |
$redirect_url = is_multisite() ? network_admin_url( 'settings.php' ) : admin_url( 'tools.php' ); |
| 279 |
|
| 280 |
if ( $update ) { |
| 281 |
$location = add_query_arg( |
| 282 |
[ |
| 283 |
'page' => 'wp-debugging', |
| 284 |
'updated' => $update, |
| 285 |
], |
| 286 |
$redirect_url |
| 287 |
); |
| 288 |
wp_safe_redirect( $location ); |
| 289 |
exit; |
| 290 |
} |
| 291 |
} |
| 292 |
|
| 293 |
/** |
| 294 |
* Add notice when settings are saved. |
| 295 |
* |
| 296 |
* @return void |
| 297 |
*/ |
| 298 |
private function saved_settings_notice() { |
| 299 |
if ( ! wp_verify_nonce( static::$nonce, 'wp-debugging' ) ) { |
| 300 |
return; |
| 301 |
} |
| 302 |
if ( ( isset( $_GET['updated'] ) && '1' === $_GET['updated'] ) || |
| 303 |
( isset( $_GET['settings-updated'] ) && '1' === $_GET['settings-updated'] ) |
| 304 |
) { |
| 305 |
echo '<div class="updated"><p>'; |
| 306 |
esc_html_e( 'Saved.', 'wp-debugging' ); |
| 307 |
echo '</p></div>'; |
| 308 |
} |
| 309 |
} |
| 310 |
|
| 311 |
/** |
| 312 |
* Register settings. |
| 313 |
* |
| 314 |
* @return void |
| 315 |
*/ |
| 316 |
public function add_settings() { |
| 317 |
register_setting( |
| 318 |
'wp_debugging', |
| 319 |
'wp_debugging', |
| 320 |
[ $this, 'sanitize' ] |
| 321 |
); |
| 322 |
|
| 323 |
add_settings_section( |
| 324 |
'wp_debugging', |
| 325 |
esc_html__( 'Debugging Constants', 'wp-debugging' ), |
| 326 |
[ $this, 'print_settings_section' ], |
| 327 |
'wp_debugging' |
| 328 |
); |
| 329 |
|
| 330 |
add_settings_field( |
| 331 |
'wp_debug', |
| 332 |
null, |
| 333 |
[ $this, 'checkbox_setting' ], |
| 334 |
'wp_debugging', |
| 335 |
'wp_debugging', |
| 336 |
[ |
| 337 |
'id' => 'wp_debug', |
| 338 |
'title' => esc_html__( 'Set WP_DEBUG to true.', 'wp-debugging' ), |
| 339 |
] |
| 340 |
); |
| 341 |
|
| 342 |
add_settings_field( |
| 343 |
'wp_debug_display', |
| 344 |
null, |
| 345 |
[ $this, 'checkbox_setting' ], |
| 346 |
'wp_debugging', |
| 347 |
'wp_debugging', |
| 348 |
[ |
| 349 |
'id' => 'wp_debug_display', |
| 350 |
'title' => esc_html__( 'Set WP_DEBUG_DISPLAY to false, default is true.', 'wp-debugging' ), |
| 351 |
] |
| 352 |
); |
| 353 |
|
| 354 |
add_settings_field( |
| 355 |
'wp_disable_fatal_error_handler', |
| 356 |
null, |
| 357 |
[ $this, 'checkbox_setting' ], |
| 358 |
'wp_debugging', |
| 359 |
'wp_debugging', |
| 360 |
[ |
| 361 |
'id' => 'wp_disable_fatal_error_handler', |
| 362 |
'title' => esc_html__( 'Set WP_DISABLE_FATAL_ERROR_HANDLER to true.', 'wp-debugging' ), |
| 363 |
'class' => version_compare( get_bloginfo( 'version' ), '5.2', '>=' ) ? '' : 'hidden', |
| 364 |
] |
| 365 |
); |
| 366 |
} |
| 367 |
|
| 368 |
/** |
| 369 |
* Print settings section information. |
| 370 |
* |
| 371 |
* @return void |
| 372 |
*/ |
| 373 |
public function print_settings_section() { |
| 374 |
esc_html_e( 'The following constants are set with plugin activation and removed with plugin deactivation.', 'wp-debugging' ); |
| 375 |
$this->print_constants(); |
| 376 |
esc_html_e( 'Select the debugging constants.', 'wp-debugging' ); |
| 377 |
} |
| 378 |
|
| 379 |
/** |
| 380 |
* Print current constants. |
| 381 |
* |
| 382 |
* @return void |
| 383 |
*/ |
| 384 |
private function print_constants() { |
| 385 |
$added_constants = apply_filters( 'wp_debugging_add_constants', [] ); |
| 386 |
$additional_constants = []; |
| 387 |
if ( $added_constants ) { |
| 388 |
foreach ( $added_constants as $constant => $config ) { |
| 389 |
$additional_constants[ $constant ] = $config['value']; |
| 390 |
} |
| 391 |
} |
| 392 |
|
| 393 |
// Strip user defined constants from $constants array. |
| 394 |
$constants = [ 'wp_debug_log', 'script_debug', 'savequeries' ]; |
| 395 |
$constants = array_merge( array_keys( self::$options ), $constants ); |
| 396 |
$constants = array_diff( $constants, array_keys( $additional_constants ) ); |
| 397 |
|
| 398 |
echo '<pre>'; |
| 399 |
foreach ( $constants as $constant ) { |
| 400 |
$value = 'wp_debug_display' === $constant ? 'false' : 'true'; |
| 401 |
$constant = strtoupper( $constant ); |
| 402 |
echo wp_kses_post( "<code>define( '{$constant}', {$value} );</code><br>" ); |
| 403 |
} |
| 404 |
foreach ( $additional_constants as $constant => $value ) { |
| 405 |
$value = in_array( $value, [ 'true', 'false' ], true ) ? $value : "'$value'"; |
| 406 |
$constant = strtoupper( $constant ); |
| 407 |
echo wp_kses_post( "<code>define( '{$constant}', {$value} );</code><br>" ); |
| 408 |
} |
| 409 |
echo '</pre>'; |
| 410 |
} |
| 411 |
|
| 412 |
/** |
| 413 |
* Create settings page. |
| 414 |
* |
| 415 |
* @return void |
| 416 |
*/ |
| 417 |
public function create_settings_page() { |
| 418 |
$this->saved_settings_notice(); |
| 419 |
$action = is_multisite() ? 'edit.php?action=wp-debugging' : 'options.php'; ?> |
| 420 |
<div class="wrap"> |
| 421 |
<h1><?php esc_html_e( 'WP Debugging', 'wp-debugging' ); ?></h1> |
| 422 |
<div class="updated fade"> |
| 423 |
<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> |
| 424 |
</div> |
| 425 |
<div> |
| 426 |
<form method="post" action="<?php echo esc_attr( $action ); ?>"> |
| 427 |
<?php settings_fields( 'wp_debugging' ); ?> |
| 428 |
<?php do_settings_sections( 'wp_debugging' ); ?> |
| 429 |
<?php submit_button(); ?> |
| 430 |
</form> |
| 431 |
</div> |
| 432 |
<?php |
| 433 |
} |
| 434 |
|
| 435 |
/** |
| 436 |
* Sanitize save settings. |
| 437 |
* |
| 438 |
* @param array $input Input. |
| 439 |
* @return array $new_input Sanitized output. |
| 440 |
*/ |
| 441 |
public function sanitize( $input ) { |
| 442 |
$new_input = []; |
| 443 |
if ( ! is_array( $input ) ) { |
| 444 |
$new_input = sanitize_text_field( $input ); |
| 445 |
} else { |
| 446 |
foreach ( array_keys( (array) $input ) as $id ) { |
| 447 |
$new_input[ sanitize_text_field( $id ) ] = sanitize_text_field( $input[ $id ] ); |
| 448 |
} |
| 449 |
} |
| 450 |
|
| 451 |
return $new_input; |
| 452 |
} |
| 453 |
|
| 454 |
/** |
| 455 |
* Get the settings option array and print one of its values. |
| 456 |
* |
| 457 |
* @param array $args 'id' and 'title'. |
| 458 |
*/ |
| 459 |
public function checkbox_setting( $args ) { |
| 460 |
$checked = isset( self::$options[ $args['id'] ] ) ? self::$options[ $args['id'] ] : null; |
| 461 |
?> |
| 462 |
<style> .form-table th { display:none; } </style> |
| 463 |
<label for="<?php echo esc_attr( $args['id'] ); ?>"> |
| 464 |
<input type="checkbox" name="wp-debugging[<?php echo esc_attr( $args['id'] ); ?>]" value="1" <?php checked( '1', $checked ); ?> > |
| 465 |
<?php esc_html_e( $args['title'] ); ?> |
| 466 |
</label> |
| 467 |
<?php |
| 468 |
} |
| 469 |
|
| 470 |
/** |
| 471 |
* Add setting link to plugin page. |
| 472 |
* Applied to the list of links to display on the plugins page (beside the activate/deactivate links). |
| 473 |
* |
| 474 |
* @param array $links Plugin links on plugins.php. |
| 475 |
* |
| 476 |
* @return array |
| 477 |
*/ |
| 478 |
public function plugin_action_links( $links ) { |
| 479 |
$settings_page = is_multisite() ? 'settings.php' : 'tools.php'; |
| 480 |
$link = [ '<a href="' . esc_url( network_admin_url( $settings_page ) ) . '?page=wp-debugging">' . esc_html__( 'Settings', 'wp-debugging' ) . '</a>' ]; |
| 481 |
|
| 482 |
return array_merge( $link, $links ); |
| 483 |
} |
| 484 |
} |
| 485 |
|
