override_function

Overrides built-in functions (PECL)
bool override_function ( string function_name, string function_args, string function_code )

Syntax similar to create_function(). Overrides built-in functions (replaces them in the symbol table).

例 209. override_function() example

<?php
override_function
('test', '$a,$b', 'echo "DOING TEST"; return $a * $b;');
?>