readline_callback_read_char()

readline_callback_read_char() — Reads a character and informs the readline callback interface when a line is received.

Built-in function of PHP 8.5. The manual lists it as available in PHP 5 >= 5.1.0, PHP 7, PHP 8. This page is the reference card: signature, parameters and return value, plus the changelog and the example the manual provides.

What it does

Reads a character of user input. When a line is received, this function informs the readline callback interface installed using readline_callback_handler_install() that a line is ready for input.

Signature

readline_callback_read_char(): void

Parameters

This function takes no parameters.

Return value

No value is returned.

Example

The PHP manual ships no example for readline_callback_read_char(); the signature and the parameter table above are the contract.

See also

readline_callback_handler_install(), readline_callback_handler_remove()

All PHP 8.5 built-in functions

Reference card built from the PHP manual page readline_callback_read_char() (PHP documentation, CC BY 3.0). The page is generated from the manual, so the wording of the parameter and return value text follows php.net.