ZEND_RETURN_BY_REF 2730 Zend/zend_compile.c opline->opcode = returns_reference ? ZEND_RETURN_BY_REF : ZEND_RETURN; ZEND_RETURN_BY_REF 615 Zend/zend_opcode.c case ZEND_RETURN_BY_REF: ZEND_RETURN_BY_REF 714 Zend/zend_opcode.c case ZEND_RETURN_BY_REF: ZEND_RETURN_BY_REF 2863 Zend/zend_vm_def.h ZEND_VM_HANDLER(111, ZEND_RETURN_BY_REF, CONST|TMP|VAR|CV, ANY) ZEND_RETURN_BY_REF 127 ext/opcache/Optimizer/block_pass.c case ZEND_RETURN_BY_REF: ZEND_RETURN_BY_REF 251 ext/opcache/Optimizer/block_pass.c case ZEND_RETURN_BY_REF: ZEND_RETURN_BY_REF 1385 ext/opcache/Optimizer/block_pass.c target->opcode == ZEND_RETURN_BY_REF || ZEND_RETURN_BY_REF 316 ext/opcache/Optimizer/pass3.c op->opcode == ZEND_RETURN_BY_REF || ZEND_RETURN_BY_REF 355 ext/opcache/Optimizer/pass3.c op->opcode == ZEND_RETURN_BY_REF ||