Php/docs/internals2.opcodes.assign-ref
来自菜鸟教程
ASSIGN_REF
PHP code
<?php/* * indicates that variable indicated by value1 is to be treated in the global scope for the remainder of the current scope. * opcode number: 39 */global $a;?>
PHP opcodes
Function name: (null)
Compiled variables: !0=$a
| line | # | op | fetch | ext | return | operands |
|---|---|---|---|---|---|---|
| 6 | 0 | FETCH_W | globallock | $0 | 'a' | |
| 1 | ASSIGN_REF | !0,$0 | ||||
| 7 | 2 | RETURN | 1 |
