PHP - Manual: FETCH_OBJ_FUNC_ARG
2024-12-27
<?php
/*
*
* opcode number: 94
*/
include './classA.php';
function foo(&$x)
{
print($x);
}
$z = "foo";
$obj = new A();
print $obj->num;
$z($obj->num);
?>
Function name: (null)
Compiled variables: !0=$z, !1=$obj
line | # | op | fetch | ext | return | operands |
---|---|---|---|---|---|---|
6 | 0 | INCLUDE_OR_EVAL | '.%2FclassA.php',INCLUDE | |||
8 | 1 | NOP | ||||
13 | 2 | ASSIGN | !0,'foo' | |||
15 | 3 | ZEND_FETCH_CLASS | :2 | 'A' | ||
4 | NEW | $3 | :2 | |||
5 | DO_FCALL_BY_NAME | 0 | ||||
6 | ASSIGN | !1,$3 | ||||
16 | 7 | FETCH_OBJ_R | $6 | !1,'num' | ||
8 | ~7 | $6 | ||||
9 | FREE | ~7 | ||||
17 | 10 | INIT_FCALL_BY_NAME | !0 | |||
11 | FETCH_OBJ_FUNC_ARG | $8 | !1,'num' | |||
12 | SEND_VAR | $8 | ||||
13 | DO_FCALL_BY_NAME | 1 | ||||
19 | 14 | RETURN | 1 |
Function name: foo
Compiled variables: !0=$x
line | # | op | fetch | ext | return | operands |
---|---|---|---|---|---|---|
8 | 0 | RECV | 1 | |||
10 | 1 | ~0 | !0 | |||
2 | FREE | ~0 | ||||
11 | 3 | RETURN | null |
Function name: foo
Compiled variables: !0=$x
line | # | op | fetch | ext | return | operands |
---|---|---|---|---|---|---|
8 | 0 | RECV | 1 | |||
10 | 1 | ~0 | !0 | |||
2 | FREE | ~0 | ||||
11 | 3 | RETURN | null |
官方地址:https://www.php.net/manual/en/internals2.opcodes.fetch-obj-func-arg.php