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Hphpd Break

hphp/hack/manual/apis/Functions/hphpd_break.md

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:::info[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. :::

Sets a hard breakpoint

Hack
function hphpd_break(
  bool $condition = true,
): void;

When a debugger is running, this line of code will break into debugger, if condition is met. If there is no debugger that's attached, it will not do anything.

Parameters

  • bool $condition = true - If true, break, otherwise, continue.

Returns

  • void
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