PHP - Manual: BOOL
2024-12-22
<?php
/*
* convert value1 to boolean and store in result??????????
* opcode number: 52
*/
if (1 || 2 || 1) echo "foo";
//$a = true;
//if($a) echo "foo";
?>
Function name: (null)
Compiled variables: none
line | # | op | fetch | ext | return | operands |
---|---|---|---|---|---|---|
6 | 0 | JMPNZ_EX | ~0 | 1,->2 | ||
1 | BOOL | ~0 | 2 | |||
2 | JMPNZ_EX | ~0 | ~0,->4 | |||
3 | BOOL | ~0 | 1 | |||
4 | JMPZ | ~0,->7 | ||||
5 | ECHO | 'foo' | ||||
6 | JMP | ->7 | ||||
9 | 7 | RETURN | 1 |
官方地址:https://www.php.net/manual/en/internals2.opcodes.bool.php