PHP Functions Essential Reference

register_tick_function

bool register_tick_function(array|string function/method, [mixed arg [mixed...]]) 

function/method	Function name to register or array containing object and method data
arg	Argument to pass to the function or method
...	Additional arguments

Registers a tick function.

Returns:

TRUE on success; FALSE otherwise

Description:

register_tick_function() registers a function as a tick function. Tick functions are automatically called within declare control blocks. For a detailed overview of ticks, see the introduction at the beginning of this chapter.

The first argument for register_tick_function() can be either a string containing the name of a function, or a two-element array containing an object as the first element and ...