Fatal error: Uncaught Error: Call to undefined function Smush\Core\Parser\str_contains() in /home/clients/2b3da2a70110c858b80a5b2ff2b93f32/heder/wp-content/plugins/wp-smushit/core/parser/class-parser.php:373 Stack trace: #0 /home/clients/2b3da2a70110c858b80a5b2ff2b93f32/heder/wp-content/plugins/wp-smushit/core/parser/class-parser.php(358): Smush\Core\Parser\Parser->sanitize_value('rel') #1 /home/clients/2b3da2a70110c858b80a5b2ff2b93f32/heder/wp-content/plugins/wp-smushit/core/parser/class-parser.php(157): Smush\Core\Parser\Parser->is_safe('rel') #2 /home/clients/2b3da2a70110c858b80a5b2ff2b93f32/heder/wp-content/plugins/wp-smushit/core/parser/class-parser.php(120): Smush\Core\Parser\Parser->get_element_attributes('<link rel="icon...', 'https://heder.c...') #3 /home/clients/2b3da2a70110c858b80a5b2ff2b93f32/heder/wp-content/plugins/wp-smushit/core/parser/class-page-parser.php(35): Smush\Core\Parser\Parser->get_elements_with_image_attributes('<!DOCTYPE html>...', 'https://heder.c...') #4 /home/clients/2b3da2a70110c858b80a5b2f in /home/clients/2b3da2a70110c858b80a5b2ff2b93f32/heder/wp-content/plugins/wp-smushit/core/parser/class-parser.php on line 373