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<?php

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/**

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* The error handler to suppress error messages from vendor directories.

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namespace WPForms;

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/**

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* Class ErrorHandler.

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* @since 1.8.5

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class ErrorHandler {

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/**

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* Directories from where errors should be suppressed.

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* @since 1.8.5

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* @var string[]

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private $dirs;

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/**

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* Previous error handler.

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* @since 1.8.6

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* @var callable|null

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private $previous_error_handler;

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/**

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* Error levels to suppress.

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* @since 1.8.6

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* @var int

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private $levels;

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/**

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* Init class.

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* @since 1.8.5

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* @noinspection PhpUndefinedConstantInspection

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public function init() {

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if ( defined( 'WPFORMS_DISABLE_ERROR_HANDLER' ) && WPFORMS_DISABLE_ERROR_HANDLER ) {

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return;

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}

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$this->dirs = [

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WPFORMS_PLUGIN_DIR . 'vendor/',

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WPFORMS_PLUGIN_DIR . 'vendor_prefixed/',

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WP_PLUGIN_DIR . '/wpforms-activecampaign/vendor/',

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WP_PLUGIN_DIR . '/wpforms-authorize-net/vendor/',

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WP_PLUGIN_DIR . '/wpforms-aweber/vendor/',

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WP_PLUGIN_DIR . '/wpforms-calculations/vendor/',

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WP_PLUGIN_DIR . '/wpforms-campaign-monitor/vendor/',

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WP_PLUGIN_DIR . '/wpforms-captcha/vendor/',

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WP_PLUGIN_DIR . '/wpforms-clear-cache/vendor/',

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WP_PLUGIN_DIR . '/wpforms-conversational-forms/vendor/',

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WP_PLUGIN_DIR . '/wpforms-coupons/vendor/',

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WP_PLUGIN_DIR . '/wpforms-drip/vendor/',

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WP_PLUGIN_DIR . '/wpforms-e2e-helpers/vendor/',

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WP_PLUGIN_DIR . '/wpforms-form-abandonment/vendor/',

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WP_PLUGIN_DIR . '/wpforms-form-locker/vendor/',

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WP_PLUGIN_DIR . '/wpforms-form-pages/vendor/',

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WP_PLUGIN_DIR . '/wpforms-geolocation/vendor/',

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WP_PLUGIN_DIR . '/wpforms-getresponse/vendor/',

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WP_PLUGIN_DIR . '/wpforms-google-sheets/vendor/',

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WP_PLUGIN_DIR . '/wpforms-hubspot/vendor/',

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WP_PLUGIN_DIR . '/wpforms-lead-forms/vendor/',

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WP_PLUGIN_DIR . '/wpforms-mailchimp/vendor/',

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WP_PLUGIN_DIR . '/wpforms-mailerlite/vendor/',

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WP_PLUGIN_DIR . '/wpforms-offline-forms/vendor/',

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WP_PLUGIN_DIR . '/wpforms-paypal-commerce/vendor/',

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WP_PLUGIN_DIR . '/wpforms-paypal-standard/vendor/',

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WP_PLUGIN_DIR . '/wpforms-post-submissions/vendor/',

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WP_PLUGIN_DIR . '/wpforms-salesforce/vendor/',

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WP_PLUGIN_DIR . '/wpforms-save-resume/vendor/',

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WP_PLUGIN_DIR . '/wpforms-sendinblue/vendor/',

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WP_PLUGIN_DIR . '/wpforms-signatures/vendor/',

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WP_PLUGIN_DIR . '/wpforms-square/vendor/',

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WP_PLUGIN_DIR . '/wpforms-stripe/vendor/',

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WP_PLUGIN_DIR . '/wpforms-surveys-polls/vendor/',

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WP_PLUGIN_DIR . '/wpforms-user-journey/vendor/',

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WP_PLUGIN_DIR . '/wpforms-user-registration/vendor/',

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WP_PLUGIN_DIR . '/wpforms-webhooks/vendor/',

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WP_PLUGIN_DIR . '/wpforms-zapier/vendor/',

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];

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/**

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* Allow modifying the list of dirs to suppress messages from.

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* @since 1.8.6

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* @param bool $dirs The list of dirs to suppress messages from.

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$this->dirs = (array) apply_filters( 'wpforms_error_handler_dirs', $this->dirs );

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if ( ! $this->dirs ) {

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return;

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}

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$this->dirs = array_map(

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static function ( $dir ) {

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return str_replace( DIRECTORY_SEPARATOR, '/', $dir );

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$this->dirs

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);

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/**

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* Allow modifying the levels of messages to suppress.

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* @since 1.8.6

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* @param bool $level Error levels of messages to suppress.

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$this->levels = (int) apply_filters(

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'wpforms_error_handler_level',

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);

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// To chain error handlers, we must not specify the second argument and catch all errors in our handler.

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// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_set_error_handler

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$this->previous_error_handler = set_error_handler( [ $this, 'error_handler' ] );

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}

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/**

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* Error handler.

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* @since 1.8.5

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* @param int $level Error level.

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* @param string $message Error message.

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* @param string $file File produced an error.

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* @param int $line Line number.

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* @return bool

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public function error_handler( int $level, string $message, string $file, int $line ): bool { // phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.FoundAfterLastUsed

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if ( ( $level & $this->levels ) === 0 ) {

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// Use standard error handler.

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return $this->previous_error_handler === null ?

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false :

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// phpcs:ignore PHPCompatibility.FunctionUse.ArgumentFunctionsReportCurrentValue.NeedsInspection

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(bool) call_user_func_array( $this->previous_error_handler, func_get_args() );

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}

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$normalized_file = str_replace( DIRECTORY_SEPARATOR, '/', $file );

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foreach ( $this->dirs as $dir ) {

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if ( strpos( $normalized_file, $dir ) !== false ) {

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// Suppress deprecated errors from this directory.

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return true;

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}

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}

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// Use standard error handler.

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return $this->previous_error_handler === null ?

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false :

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// phpcs:ignore PHPCompatibility.FunctionUse.ArgumentFunctionsReportCurrentValue.NeedsInspection

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(bool) call_user_func_array( $this->previous_error_handler, func_get_args() );

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}

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}

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