ZEND_UNSET_DIM   6129 Zend/zend_compile.c 				last_op->opcode = ZEND_UNSET_DIM;
ZEND_UNSET_DIM   3945 Zend/zend_vm_def.h ZEND_VM_HANDLER(75, ZEND_UNSET_DIM, VAR|UNUSED|CV, CONST|TMP|VAR|CV)
ZEND_UNSET_DIM    244 ext/opcache/Optimizer/zend_optimizer.c 			case ZEND_UNSET_DIM: