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    moochm@gmail
    9 years ago
    When using a php script like a remote function call, I find something like this useful for setting default parameters.

    <?php
    /**
    /* combine _GET _POST _COOKIE variables with provided default values
    /* defaults - associative array of default values
    /* overwrite - if true, write result to _REQUEST superglobal
    /* super_globals - array of super globals to fetch values from
    **/
    function get_params($defaults = null, $overwrite = false, $super_globals = array('_GET', '_POST', '_COOKIE'))
    {
            $ret = array();

            // fetch values from request
            foreach($super_globals as $sg)
            foreach(    $GLOBALS[$sg] as $k=>$v)
                    $ret[$k] = $v;

            // apply defaults for missing parameters
            if($defaults) foreach($defaults as $k=>$v)
            if(!isset(    $ret[$k]))
                    $ret[$k] = $v;

        if(    $overwrite)
                $_REQUEST = $ret;

        return     $ret;
    }

    // Example: page.php?style=modern

    $argv = get_params(array('id'=>42, 'style'=>'medieval'));

    // $argv['id'] = 42
    // $argv['style'] = 'modern'

    ?>

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