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str_bitwise_xor

Note

This is a point-in-time snapshot of the API documentation from January 2026. Going forward, we will not be maintaining a public copy of these references, and recommend users to refer to the built-in signature helpers available in the Hack LSP instead for complete and up-to-date information.

Implements PHP operator ^ (bitwise xor) operator on strings

namespace HH;

function str_bitwise_xor(
  string $s1,
  string $s2,
): string;

Parameters​

  • string $s1
  • string $s2

Returns​

  • string