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<?php
/**
* The error handler to suppress error messages from vendor directories.
*/
namespace WPForms;
use QM_Collectors;
/**
* Class ErrorHandler.
*
* @since 1.8.5
*/
class ErrorHandler {
/**
* Directories from where errors should be suppressed.
*
* @since 1.8.5
*
* @var string[]
*/
private $dirs;
/**
* Previous error handler.
*
* @since 1.8.6
*
* @var callable|null
*/
private $previous_error_handler;
/**
* Error levels to suppress.
*
* @since 1.8.6
*
* @var int
*/
private $levels;
/**
* Whether the error handler is handling an error.
*
* @since 1.9.2
*
* @var bool
*/
private $handling = false;
/**
* Init class.
*
* @since 1.8.5
*
* @noinspection PhpUndefinedConstantInspection
* @noinspection PhpUndefinedFieldInspection
*/
public function init() {
if ( defined( 'WPFORMS_DISABLE_ERROR_HANDLER' ) && WPFORMS_DISABLE_ERROR_HANDLER ) {
return;
}
$this->dirs = [
// WPForms.
WPFORMS_PLUGIN_DIR . 'vendor/',
WPFORMS_PLUGIN_DIR . 'vendor_prefixed/',
// Addons.
WP_PLUGIN_DIR . '/wpforms-activecampaign/vendor/',
WP_PLUGIN_DIR . '/wpforms-authorize-net/vendor/',
WP_PLUGIN_DIR . '/wpforms-aweber/deprecated/',
WP_PLUGIN_DIR . '/wpforms-aweber/vendor/',
WP_PLUGIN_DIR . '/wpforms-calculations/vendor/',
WP_PLUGIN_DIR . '/wpforms-campaign-monitor/vendor/',
WP_PLUGIN_DIR . '/wpforms-captcha/vendor/',
WP_PLUGIN_DIR . '/wpforms-conversational-forms/vendor/',
WP_PLUGIN_DIR . '/wpforms-convertkit/vendor/',
WP_PLUGIN_DIR . '/wpforms-convertkit/vendor_prefixed/',
WP_PLUGIN_DIR . '/wpforms-coupons/vendor/',
WP_PLUGIN_DIR . '/wpforms-drip/vendor/',
WP_PLUGIN_DIR . '/wpforms-e2e-helpers/vendor/',
WP_PLUGIN_DIR . '/wpforms-form-abandonment/vendor/',
WP_PLUGIN_DIR . '/wpforms-form-locker/vendor/',
WP_PLUGIN_DIR . '/wpforms-form-pages/vendor/',
WP_PLUGIN_DIR . '/wpforms-geolocation/vendor/',
WP_PLUGIN_DIR . '/wpforms-getresponse/vendor/',
WP_PLUGIN_DIR . '/wpforms-google-sheets/vendor/',
WP_PLUGIN_DIR . '/wpforms-hubspot/vendor/',
WP_PLUGIN_DIR . '/wpforms-lead-forms/vendor/',
WP_PLUGIN_DIR . '/wpforms-mailchimp/vendor/',
WP_PLUGIN_DIR . '/wpforms-mailerlite/vendor/',
WP_PLUGIN_DIR . '/wpforms-offline-forms/vendor/',
WP_PLUGIN_DIR . '/wpforms-paypal-commerce/vendor/',
WP_PLUGIN_DIR . '/wpforms-paypal-standard/vendor/',
WP_PLUGIN_DIR . '/wpforms-post-submissions/vendor/',
WP_PLUGIN_DIR . '/wpforms-salesforce/vendor/',
WP_PLUGIN_DIR . '/wpforms-save-resume/vendor/',
WP_PLUGIN_DIR . '/wpforms-sendinblue/vendor/',
WP_PLUGIN_DIR . '/wpforms-signatures/vendor/',
WP_PLUGIN_DIR . '/wpforms-square/vendor/',
WP_PLUGIN_DIR . '/wpforms-stripe/vendor/',
WP_PLUGIN_DIR . '/wpforms-surveys-polls/vendor/',
WP_PLUGIN_DIR . '/wpforms-user-journey/vendor/',
WP_PLUGIN_DIR . '/wpforms-user-registration/vendor/',
WP_PLUGIN_DIR . '/wpforms-webhooks/vendor/',
WP_PLUGIN_DIR . '/wpforms-zapier/vendor/',
];
/**
* Allow modifying the list of dirs to suppress messages from.
*
* @since 1.8.6
*
* @param bool $dirs The list of dirs to suppress messages from.
*/
$this->dirs = (array) apply_filters( 'wpforms_error_handler_dirs', $this->dirs );
$this->normalize_dirs();
if ( ! $this->dirs ) {
return;
}
/**
* Allow modifying the levels of messages to suppress.
*
* @since 1.8.6
*
* @param bool $level Error levels of messages to suppress.
*/
$this->levels = (int) apply_filters(
'wpforms_error_handler_level',
E_WARNING | E_NOTICE | E_USER_WARNING | E_USER_NOTICE | E_DEPRECATED | E_USER_DEPRECATED
);
$this->set_error_handler();
$this->hooks();
}
/**
* Add hooks.
*
* @since 1.9.1
*/
private function hooks() {
// Some plugins destroy an error handler chain. Set the error handler again upon loading them.
add_action( 'plugins_loaded', [ $this, 'plugins_loaded' ], 1000 );
// Suppress the _load_textdomain_just_in_time() notices related the WPForms for WP 6.7+.
if ( version_compare( $GLOBALS['wp_version'], '6.7', '>=' ) ) {
add_action( 'doing_it_wrong_run', [ $this,'action_doing_it_wrong_run' ], 0, 3 );
add_action( 'doing_it_wrong_run', [ $this,'action_doing_it_wrong_run' ], 20, 3 );
add_filter( 'doing_it_wrong_trigger_error', [ $this, 'filter_doing_it_wrong_trigger_error' ], 10, 4 );
}
// Fix WP 6.5+ translation error.
if ( version_compare( $GLOBALS['wp_version'], '6.5', '>=' ) ) {
add_filter( 'gettext', [ $this, 'filter_gettext' ], 10, 3 );
}
}
/**
* Set error handler and save original.
* To chain error handlers, we must not specify the second argument and catch all errors in our handler.
*
* @since 1.9.1
*/
public function set_error_handler() {
// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_set_error_handler
$this->previous_error_handler = set_error_handler( [ $this, 'error_handler' ] );
}
/**
* The 'plugins_loaded' hook.
*
* @since 0.32
*
* @return void
*/
public function plugins_loaded() {
// Constants of plugins that destroy an error handler chain.
$constants = [
'QM_VERSION', // Query Monitor.
'AUTOMATOR_PLUGIN_VERSION', // Uncanny Automator.
];
$found = false;
foreach ( $constants as $constant ) {
if ( defined( $constant ) ) {
$found = true;
break;
}
}
if ( ! $found ) {
return;
}
// Set this error handler after loading a plugin to chain its error handler.
$this->set_error_handler();
}
/**
* Error handler.
*
* @since 1.8.5
*
* @param int $level Error level.
* @param string $message Error message.
* @param string $file File produced an error.
* @param int $line Line number.
*
* @return bool
* @noinspection PhpTernaryExpressionCanBeReplacedWithConditionInspection
*/
public function error_handler( int $level, string $message, string $file, int $line ): bool { // phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.FoundAfterLastUsed
if ( $this->handling ) {
$this->handling = false;
// Prevent infinite recursion and fallback to standard error handler.
return false;
}
$this->handling = true;
if ( ( $level & $this->levels ) === 0 ) {
// Not served error level, use fallback error handler.
// phpcs:ignore PHPCompatibility.FunctionUse.ArgumentFunctionsReportCurrentValue.NeedsInspection
return $this->fallback_error_handler( func_get_args() );
}
// Process error.
$normalized_file = str_replace( DIRECTORY_SEPARATOR, '/', $file );
foreach ( $this->dirs as $dir ) {
if ( strpos( $normalized_file, $dir ) !== false ) {
$this->handling = false;
// Suppress deprecated errors from this directory.
return true;
}
}
// Not served directory, use fallback error handler.
// phpcs:ignore PHPCompatibility.FunctionUse.ArgumentFunctionsReportCurrentValue.NeedsInspection
return $this->fallback_error_handler( func_get_args() );
}
/**
* Action for _doing_it_wrong() calls.
*
* @since 1.9.2.2
*
* @param string $function_name The function that was called.
* @param string $message A message explaining what has been done incorrectly.
* @param string $version The version of WordPress where the message was added.
*
* @return void
* @noinspection PhpMissingParamTypeInspection
* @noinspection PhpUnusedParameterInspection
*/
public function action_doing_it_wrong_run( $function_name, $message, $version ) { // phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.FoundAfterLastUsed, WPForms.PHP.HooksMethod.InvalidPlaceForAddingHooks
global $wp_filter;
$function_name = (string) $function_name;
$message = (string) $message;
if ( ! class_exists( 'QM_Collectors' ) || ! $this->is_just_in_time_for_wpforms_domain( $function_name, $message ) ) {
return;
}
$qm_collector_doing_it_wrong = QM_Collectors::get( 'doing_it_wrong' );
$current_priority = $wp_filter['doing_it_wrong_run']->current_priority();
if ( $qm_collector_doing_it_wrong === null || $current_priority === false ) {
return;
}
switch ( $current_priority ) {
case 0:
remove_action( 'doing_it_wrong_run', [ $qm_collector_doing_it_wrong, 'action_doing_it_wrong_run' ] );
break;
case 20:
add_action( 'doing_it_wrong_run', [ $qm_collector_doing_it_wrong, 'action_doing_it_wrong_run' ], 10, 3 );
break;
default:
break;
}
}
/**
* Filter for _doing_it_wrong() calls.
*
* @since 1.9.2.2
*
* @param bool|mixed $trigger Whether to trigger the error for _doing_it_wrong() calls. Default true.
* @param string $function_name The function that was called.
* @param string $message A message explaining what has been done incorrectly.
* @param string $version The version of WordPress where the message was added.
*
* @return bool
* @noinspection PhpMissingParamTypeInspection
* @noinspection PhpUnusedParameterInspection
*/
public function filter_doing_it_wrong_trigger_error( $trigger, $function_name, $message, $version ): bool { // phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.FoundAfterLastUsed
$trigger = (bool) $trigger;
$function_name = (string) $function_name;
$message = (string) $message;
return $this->is_just_in_time_for_wpforms_domain( $function_name, $message ) ? false : $trigger;
}
/**
* Filter for gettext.
*
* @since 1.9.2.2
*
* @param string|mixed $translation Translated text.
* @param string|mixed $text Text to translate.
* @param string|mixed $domain Text domain. Unique identifier for retrieving translated strings.
*
* @return string
*/
public function filter_gettext( $translation, $text, $domain ): string {
$translation = (string) $translation;
$text = (string) $text;
$domain = (string) $domain;
if ( $translation === '' && strpos( $domain, 'wpforms' ) === 0 ) {
$translation = $text;
}
return $translation;
}
/**
* Fallback error handler.
*
* @since 1.9.2
*
* @param array $args Arguments.
*
* @return bool
* @noinspection PhpTernaryExpressionCanBeReplacedWithConditionInspection
*/
private function fallback_error_handler( array $args ): bool {
return $this->previous_error_handler === null ?
// Use standard error handler.
false :
(bool) call_user_func_array( $this->previous_error_handler, $args );
}
/**
* Normalize dirs.
*
* @since 1.9.2
*
* @return void
*/
private function normalize_dirs() {
$this->dirs = array_filter(
array_map(
static function ( $dir ) {
return str_replace( DIRECTORY_SEPARATOR, '/', trim( $dir ) );
},
$this->dirs
)
);
}
/**
* Whether it is the just_in_time_error for WPForms-related domains.
*
* @since 1.9.2.2
*
* @param string $function_name Function name.
* @param string $message Message.
*
* @return bool
*/
private function is_just_in_time_for_wpforms_domain( string $function_name, string $message ): bool {
return $function_name === '_load_textdomain_just_in_time' && strpos( $message, '<code>wpforms' ) !== false;
}
}