ZEND_UNSET_VAR   3641 Zend/zend_compile.c 		opline->opcode = ZEND_UNSET_VAR;
ZEND_UNSET_VAR   3654 Zend/zend_compile.c 				last_op->opcode = ZEND_UNSET_VAR;
ZEND_UNSET_VAR   2939 Zend/zend_vm_def.h ZEND_VM_HANDLER(74, ZEND_UNSET_VAR, CONST|TMP|VAR|CV, ANY)