target_node 2590 Zend/zend_compile.c znode target_node, source_node; target_node 2600 Zend/zend_compile.c zend_delayed_compile_var(&target_node, target_ast, BP_VAR_W); target_node 2608 Zend/zend_compile.c opline = zend_emit_op(result, ZEND_ASSIGN_REF, &target_node, &source_node);