PHP Australia Conference 2015

BW_XOR

PHP code

<?php
/*
 * Bit-wise xor of value1 and value2
 * opcode number: 11
 */
echo 1^2;
?>

PHP opcodes

Function name: (null)

Compiled variables: none

line#op fetchextreturn operands
60 BW_XOR   ~0 1,2
 1 ECHO     ~0
72 RETURN     1
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