_zend_vm_stack 146 Zend/zend_execute.h ((ZEND_MM_ALIGNED_SIZE(sizeof(struct _zend_vm_stack)) + ZEND_MM_ALIGNED_SIZE(sizeof(zval)) - 1) / ZEND_MM_ALIGNED_SIZE(sizeof(zval))) _zend_vm_stack 66 Zend/zend_globals.h typedef struct _zend_vm_stack *zend_vm_stack;