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<readline_redisplayCompression and Archive Extensions>
^Readline FunctionsLast updated: Mon, 26 Oct 2026

readline_write_history

(PHP 4, PHP 5, PHP 7, PHP 8)

readline_write_history — Writes the history

Description

function readline_write_history(?string $filename = null): bool

This function writes the command history to a file.

Parameters

filename

Path to the saved file.

Return Values

Returns true on success or false on failure.

Changelog

Version Description
8.0.0 filename is nullable now.

<readline_redisplayCompression and Archive Extensions>
^Readline FunctionsLast updated: Mon, 26 Oct 2026