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plugins
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meta-box
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radio.php
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<?php /** * The radio field. * * @package Meta Box */ /** * Radio field class. */ class RWMB_Radio_Field extends RWMB_Input_List_Field { /** * Normalize parameters for field. * * @param array $field Field parameters. * @return array */ public static function normalize( $field ) { $field['multiple'] = false; $field = parent::normalize( $field ); return $field; } }