Internals2/opcodes/brk-Phpdoc专题
BRK
PHP code
<?php
/*
* ??? End of a case block exists the current switch block. Followed by JMP?
* opcode number: 50
*/
$x = 0;
while(1) {
if($x == 0) break;
}
?>PHP opcodes
Function name: (null)
Compiled variables: !0=$x
| line | # | op | fetch | ext | return | operands |
|---|---|---|---|---|---|---|
| 6 | 0 | ASSIGN | !0,0 | |||
| 7 | 1 | JMPZ | 1,->7 | |||
| 8 | 2 | IS_EQUAL | ~1 | !0,0 | ||
| 3 | JMPZ | ~1,->6 | ||||
| 4 | BRK | 1 | ||||
| 5 | JMP | ->6 | ||||
| 9 | 6 | JMP | ->1 | |||
| 10 | 7 | RETURN | 1 |