ZEND_FETCH_IS    1654 Zend/zend_vm_def.h ZEND_VM_HANDLER(89, ZEND_FETCH_IS, CONST|TMPVAR|CV, UNUSED|CONST|VAR)
ZEND_FETCH_IS     202 ext/opcache/Optimizer/compact_literals.c 				case ZEND_FETCH_IS:
ZEND_FETCH_IS     651 ext/opcache/Optimizer/pass1_5.c 		case ZEND_FETCH_IS:
ZEND_FETCH_IS     182 ext/opcache/Optimizer/zend_optimizer.c 		case ZEND_FETCH_IS:
ZEND_FETCH_IS     218 ext/opcache/Optimizer/zend_optimizer.c 		case ZEND_FETCH_IS: