‫ مشکل در افزونه سر صفحه

در افزونه سر صفحه بعد از انتخاب تصویر برای آپلود و کلیک بر روی ثبت ، این ارور رو میده:

Message:    Call to undefined function eregi()
File:    /home/...../public_html/ow_plugins/coverphoto/controllers/forms.php
Line:    319
Trace:    
#0 /home/...../public_html/ow_plugins/coverphoto/controllers/forms.php(172): ThumbAndCrop->extension('/home/lgchir/pu...')
#1 /home/...../public_html/ow_plugins/coverphoto/bol/service.php(104): ThumbAndCrop->openImg('/home/lgchir/pu...')
#2 /home/...../public_html/ow_plugins/coverphoto/bol/service.php(78): COVERPHOTO_BOL_Service->addCroppedCover(Object(COVERPHOTO_BOL_Cover), 0, NULL)
#3 /home/...../public_html/ow_plugins/coverphoto/controllers/forms.php(75): COVERPHOTO_BOL_Service->addCover('101', 'coverphoto_d829...', 1540816424)
#4 [internal function]: COVERPHOTO_CTRL_Forms->index(Array)
#5 /home/...../public_html/ow_core/request_handler.php(250): ReflectionMethod->invokeArgs(Object(COVERPHOTO_CTRL_Forms), Array)
#6 /home/...../public_html/ow_core/request_handler.php(226): OW_RequestHandler->processControllerAction(Object(ReflectionMethod), Object(COVERPHOTO_CTRL_Forms))
#7 /home/...../public_html/ow_core/application.php(346): OW_RequestHandler->dispatch()
#8 /home/...../public_html/index.php(79): OW_Application->handleRequest()
#9 {main}
Type:    Error