zend_vm_stack_pop 5006 Zend/zend_vm_def.h 		zval *stack_zval_p = zend_vm_stack_pop(TSRMLS_C);
zend_vm_stack_pop  994 Zend/zend_vm_execute.h 		zval *stack_zval_p = zend_vm_stack_pop(TSRMLS_C);