отображать ошибки php
<?php
'exception_handling' =>
array (
'value' =>
array (
'debug' => true,
'handled_errors_types' => E_ALL & ~E_NOTICE & ~E_STRICT & ~E_USER_NOTICE & ~E_DEPRECATED,
'exception_errors_types' => E_ALL & ~E_NOTICE & ~E_WARNING & ~E_STRICT & ~E_USER_WARNING & ~E_USER_NOTICE & ~E_COMPILE_WARNING,
'ignore_silence' => true,
'assertion_throws_exception' => false,
'assertion_error_type' => 256,
'log' => array (
'settings' => array (
'file' => 'bitrix/modules/error.log',
'log_size' => 1000000,
),
),
),
'readonly' => true,
),