Services/Libravatar.php
protected function checkOptionsArray($options)
    {
        //this short options are deprecated!
        if (isset($options['s'])) {
            $options['size'] = $options['s'];
            unset($options['s']);
        }
        if (isset($options['d'])) {
            $options['default'] = $options['d'];
            unset($options['d']);
        }

        $allowedOptions = array(
            'algorithm' => true,
            'default'   => true,
            'https'     => true,
            'size'      => true,
        );
        foreach ($options as $key => $value) {
            if (!isset($allowedOptions[$key])) {
                throw new InvalidArgumentException(
                    'Invalid option in array: ' . $key
                );
            }
        }

        return $options;
    }
protected function checkOptionsArray($options)
    {
        //this short options are deprecated!
        if (isset($options['s'])) {
            $options['size'] = $options['s'];
            unset($options['s']);
        }
        if (isset($options['d'])) {
            $options['default'] = $options['d'];
            unset($options['d']);
        }

        $allowedOptions = array(
            'algorithm' => true,
            'default'   => true,
            'https'     => true,
            'size'      => true,
        );
        foreach ($options as $key => $value) {
            if (!isset($allowedOptions[$key])) {
                throw new InvalidArgumentException(
                    'Invalid option in array: ' . $key
                );
            }
        }

        return $options;
    }
protected function checkOptionsArray ( $ options ) { //this short options are deprecated! if ( isset ( $ options [ 's' ] ) ) { $ options [ 'size' ] = $ options [ 's' ] ; unset ( $ options [ 's' ] ) ; } if ( isset ( $ options [ 'd' ] ) ) { $ options [ 'default' ] = $ options [ 'd' ] ; unset ( $ options [ 'd' ] ) ; } $ allowedOptions = array ( 'algorithm' => true , 'default' => true , 'https' => true , 'size' => true , ) ; foreach ( $ options as $ key => $ value ) { if ( ! isset ( $ allowedOptions [ $ key ] ) ) { throw new InvalidArgumentException ( 'Invalid option in array: ' . $ key ) ; } } return $ options ; }
Checks the options array and verify that only allowed options are in it.

@param array $options Array of options for getUrl()

@return void
@throws Exception When an invalid option is used
Checks the options array and verify that only allowed options are in it .