Here's a utility function to parse command line arguments.

<?php
/**
 * CommandLine class
 *
 * @package             Framework
 */
/**
 * Command Line Interface (CLI) utility class.
 *
 * @author              Patrick Fisher <[email protected]>
 * @since               August 21, 2009
 * @package             Framework
 * @subpackage          Env
 */
class CommandLine {

    /**
     * PARSE ARGUMENTS
     * 
     * [pfisher ~]$ echo "<?php
     * >     include('CommandLine.php');
     * >     \$args = CommandLine::parseArgs(\$_SERVER['argv']);
     * >     echo "\n", '\$out = '; var_dump(\$args); echo "\n";
     * > ?>" > test.php
     * 
     * [pfisher ~]$ php test.php plain-arg --foo --bar=baz --funny="spam=eggs" --alsofunny=spam=eggs \
     * > 'plain arg 2' -abc -k=value "plain arg 3" --s="original" --s='overwrite' --s
     * 
     * $out = array(12) {
     *   [0]                => string(9) "plain-arg"
     *   ["foo"]            => bool(true)
     *   ["bar"]            => string(3) "baz"
     *   ["funny"]          => string(9) "spam=eggs"
     *   ["alsofunny"]      => string(9) "spam=eggs"
     *   [1]                => string(11) "plain arg 2"
     *   ["a"]              => bool(true)
     *   ["b"]              => bool(true)
     *   ["c"]              => bool(true)
     *   ["k"]              => string(5) "value"
     *   [2]                => string(11) "plain arg 3"
     *   ["s"]              => string(9) "overwrite"
     * }
     *
     * @author              Patrick Fisher <[email protected]>
     * @since               August 21, 2009
     * @see                 http://www.php.net/manual/en/features.commandline.php
     *                      #81042 function arguments($argv) by technorati at gmail dot com, 12-Feb-2008
     *                      #78651 function getArgs($args) by B Crawford, 22-Oct-2007
     * @usage               $args = CommandLine::parseArgs($_SERVER['argv']);
     */
    public static function parseArgs($argv){
    
        array_shift($argv);
        $out                            = array();
        
        foreach ($argv as $arg){
        
            // --foo --bar=baz
            if (substr($arg,0,2) == '--'){
                $eqPos                  = strpos($arg,'=');
                
                // --foo
                if ($eqPos === false){
                    $key                = substr($arg,2);
                    $value              = isset($out[$key]) ? $out[$key] : true;
                    $out[$key]          = $value;
                }
                // --bar=baz
                else {
                    $key                = substr($arg,2,$eqPos-2);
                    $value              = substr($arg,$eqPos+1);
                    $out[$key]          = $value;
                }
            }
            // -k=value -abc
            else if (substr($arg,0,1) == '-'){
            
                // -k=value
                if (substr($arg,2,1) == '='){
                    $key                = substr($arg,1,1);
                    $value              = substr($arg,3);
                    $out[$key]          = $value;
                }
                // -abc
                else {
                    $chars              = str_split(substr($arg,1));
                    foreach ($chars as $char){
                        $key            = $char;
                        $value          = isset($out[$key]) ? $out[$key] : true;
                        $out[$key]      = $value;
                    }
                }
            }
            // plain-arg
            else {
                $value                  = $arg;
                $out[]                  = $value;
            }
        }
        return $out;
    }
}
?>