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Can PHP static class variables be defined using functions?
class Example {
    public static $example = array('simple', 'example');
    // ...
}

class Example {
    public static $example = explode(' ', 'simple example');
    // ...
}

class Example {
    public static $example = null;
    // ...

    public static function setE($val) {
       self::$example = $val;
    }
}

Example::$example = explode(' ', 'simple example');

// or

Example::setE(explode(' ', 'nudder example'));