ZEND_SEND_REF 2728 Zend/zend_compile.c opcode = ZEND_SEND_REF; ZEND_SEND_REF 2481 Zend/zend_execute.c case ZEND_SEND_REF: ZEND_SEND_REF 4313 Zend/zend_vm_def.h ZEND_VM_HANDLER(67, ZEND_SEND_REF, VAR|CV, ANY) ZEND_SEND_REF 4361 Zend/zend_vm_def.h ZEND_VM_DISPATCH_TO_HANDLER(ZEND_SEND_REF); ZEND_SEND_REF 133 ext/opcache/Optimizer/optimize_func_calls.c opline->opcode = ZEND_SEND_REF; ZEND_SEND_REF 150 ext/opcache/Optimizer/optimize_func_calls.c case ZEND_SEND_REF: ZEND_SEND_REF 132 sapi/phpdbg/phpdbg_opcode.c case ZEND_SEND_REF: