PHP - Manual: PRE_DEC_OBJ
2024-12-20
<?php
/*
*
* opcode number: 133
*/
$obj = new A();
--$obj->num;
?>
Function name: (null)
Compiled variables: !0=$obj
line | # | op | fetch | ext | return | operands |
---|---|---|---|---|---|---|
6 | 0 | ZEND_FETCH_CLASS | :0 | 'A' | ||
1 | NEW | $1 | :0 | |||
2 | DO_FCALL_BY_NAME | 0 | ||||
3 | ASSIGN | !0,$1 | ||||
7 | 4 | ZEND_PRE_DEC_OBJ | !0,'num' | |||
8 | 5 | RETURN | 1 |
官方地址:https://www.php.net/manual/en/internals2.opcodes.pre-dec-obj.php