This one is emitted inside a do .. while structure where booleans are compared with logical OR.
JMPNZ_EX
PHP コード
<?php
/*
* Jump to the address if the xor of value1 and value2 is zero .. ???
* opcode number: 47
*/
if(1^2) return;
?>
PHP オペコード
関数名: (null)
コンパイルされた変数: none
| line | # | op | fetch | ext | return | operands |
|---|---|---|---|---|---|---|
| 6 | 0 | BW_XOR | ~0 | 1,2 | ||
| 1 | JMPZ | ~0,->4 | ||||
| 2 | RETURN | null | ||||
| 3 | JMP | ->4 | ||||
| 7 | 4 | RETURN | 1 |
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User Contributed Notes 1 note
gennady at kovshenin dot com ¶
9 years ago
