ZEND_YIELD       2767 Zend/zend_compile.c 	opline->opcode = ZEND_YIELD;
ZEND_YIELD       5217 Zend/zend_vm_def.h ZEND_VM_HANDLER(160, ZEND_YIELD, CONST|TMP|VAR|CV|UNUSED, CONST|TMP|VAR|CV|UNUSED)