php_cli.php

<?php 

class MyTasks {
	
	public static $HELP_TEXT = array(
		"listAllFiles" => "List all the files in the current directory",
		"clearOldRows" => "Clear out old rows from the DB. (Or something like that)"
	);
	
	public static function listAllFiles(){
		foreach( glob("*") as $fn ){
			echo $fn . "\n";
		}
	}
	
	public static function clearOldRows(){
		/* Do something */
	}
	
}


// If nothing is being called just enumerate all the available functions
if( count($argv) == 1 ){

	echo "Available MyTasks methods:\n";
	
	$arr = array();
	foreach( get_class_methods("MyTasks") as $fn ){ $arr[] = $fn; }
	sort($arr);
	
	foreach( $arr as $fn ){
		echo "\033[0;32m" . $fn . "\033[0m\n";
		if( array_key_exists($fn, MyTasks::$HELP_TEXT) ){
			echo "\t" . MyTasks::$HELP_TEXT[$fn] . "\n";
		}
		
	}
	
	exit(0);
}

call_user_func( "MyTasks::" . $argv[1], $argv );