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<?php $result = array(); function show_all($keys){ global $result; foreach ($keys as $key) { if(is_array($key)) show_all($key); else{ $refFunc = new ReflectionFunction($key); foreach( $refFunc->getParameters() as $param ){ if(preg_match('/callback/',$param->name)) $result[$key] = 1; } } } } show_all(get_defined_functions()); foreach (array_keys($result) as $key) { print "$key:\n"; $refFunc = new ReflectionFunction($key); foreach( $refFunc->getParameters() as $param ){ print "\t$param\n"; } } ?>
Output for git.master, git.master_jit, rfc.property-hooks
set_error_handler: Parameter #0 [ <required> ?callable $callback ] Parameter #1 [ <optional> int $error_levels = E_ALL ] set_exception_handler: Parameter #0 [ <required> ?callable $callback ] preg_replace_callback: Parameter #0 [ <required> array|string $pattern ] Parameter #1 [ <required> callable $callback ] Parameter #2 [ <required> array|string $subject ] Parameter #3 [ <optional> int $limit = -1 ] Parameter #4 [ <optional> &$count = null ] Parameter #5 [ <optional> int $flags = 0 ] mb_ereg_replace_callback: Parameter #0 [ <required> string $pattern ] Parameter #1 [ <required> callable $callback ] Parameter #2 [ <required> string $string ] Parameter #3 [ <optional> ?string $options = null ] spl_autoload_register: Parameter #0 [ <optional> ?callable $callback = null ] Parameter #1 [ <optional> bool $throw = true ] Parameter #2 [ <optional> bool $prepend = false ] spl_autoload_unregister: Parameter #0 [ <required> callable $callback ] iterator_apply: Parameter #0 [ <required> Traversable $iterator ] Parameter #1 [ <required> callable $callback ] Parameter #2 [ <optional> ?array $args = null ] header_register_callback: Parameter #0 [ <required> callable $callback ] ob_start: Parameter #0 [ <optional> $callback = null ] Parameter #1 [ <optional> int $chunk_size = 0 ] Parameter #2 [ <optional> int $flags = PHP_OUTPUT_HANDLER_STDFLAGS ] usort: Parameter #0 [ <required> array &$array ] Parameter #1 [ <required> callable $callback ] uasort: Parameter #0 [ <required> array &$array ] Parameter #1 [ <required> callable $callback ] uksort: Parameter #0 [ <required> array &$array ] Parameter #1 [ <required> callable $callback ] array_walk: Parameter #0 [ <required> object|array &$array ] Parameter #1 [ <required> callable $callback ] Parameter #2 [ <optional> mixed $arg = <default> ] array_walk_recursive: Parameter #0 [ <required> object|array &$array ] Parameter #1 [ <required> callable $callback ] Parameter #2 [ <optional> mixed $arg = <default> ] array_reduce: Parameter #0 [ <required> array $array ] Parameter #1 [ <required> callable $callback ] Parameter #2 [ <optional> mixed $initial = null ] array_filter: Parameter #0 [ <required> array $array ] Parameter #1 [ <optional> ?callable $callback = null ] Parameter #2 [ <optional> int $mode = 0 ] array_map: Parameter #0 [ <required> ?callable $callback ] Parameter #1 [ <required> array $array ] Parameter #2 [ <optional> array ...$arrays ] call_user_func: Parameter #0 [ <required> callable $callback ] Parameter #1 [ <optional> mixed ...$args ] call_user_func_array: Parameter #0 [ <required> callable $callback ] Parameter #1 [ <required> array $args ] forward_static_call: Parameter #0 [ <required> callable $callback ] Parameter #1 [ <optional> mixed ...$args ] forward_static_call_array: Parameter #0 [ <required> callable $callback ] Parameter #1 [ <required> array $args ] register_shutdown_function: Parameter #0 [ <required> callable $callback ] Parameter #1 [ <optional> mixed ...$args ] register_tick_function: Parameter #0 [ <required> callable $callback ] Parameter #1 [ <optional> mixed ...$args ] unregister_tick_function: Parameter #0 [ <required> callable $callback ]

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