INSTANCEOF
PHP code
<?php /* * * opcode number: 138 */ $obj = new A(); if ($obj instanceof A) { echo 'A'; } ?>
PHP opcodes
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 | ||||
8 | 4 | ZEND_FETCH_CLASS | :4 | 'A' | ||
5 | ZEND_INSTANCEOF | ~5 | !0,$4 | |||
6 | JMPZ | ~5,->9 | ||||
9 | 7 | ECHO | 'A' | |||
10 | 8 | JMP | ->9 | |||
11 | 9 | RETURN | 1 |