PHP - Manual: SUB
2024-12-20
<?php
/*
* Subtracts "value2" from "value1" and stores the result into "result".
* opcode number: 2
*/
echo 1-2;
?>
Function name: (null)
Compiled variables: none
line | # | op | fetch | ext | return | operands |
---|---|---|---|---|---|---|
6 | 0 | SUB | ~0 | 1,2 | ||
1 | ECHO | ~0 | ||||
7 | 2 | RETURN | 1 |
官方地址:https://www.php.net/manual/en/internals2.opcodes.sub.php