ZEND_UNSET_DIM   3510 Zend/zend_compile.c 			opline->opcode = ZEND_UNSET_DIM;
ZEND_UNSET_DIM   5595 Zend/zend_vm_def.h ZEND_VM_HANDLER(75, ZEND_UNSET_DIM, VAR|UNUSED|CV, CONST|TMPVAR|CV)
ZEND_UNSET_DIM    326 ext/opcache/Optimizer/zend_optimizer.c 		case ZEND_UNSET_DIM: