ZEND_INSTANCEOF  6352 Zend/zend_compile.c 	opline->opcode = ZEND_INSTANCEOF;
ZEND_INSTANCEOF  5113 Zend/zend_vm_def.h ZEND_VM_HANDLER(138, ZEND_INSTANCEOF, TMP|VAR|CV, ANY)
ZEND_INSTANCEOF   310 sapi/phpdbg/phpdbg_opcode.c 		CASE(ZEND_INSTANCEOF);