post_format_meta_box() WordPress Function

function post_format_meta_box( $post, $box ) {
	if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post->post_type, 'post-formats' ) ) :
		$post_formats = get_theme_support( 'post-formats' );

		if ( is_array( $post_formats[0] ) ) :
			$post_format = get_post_format( $post->ID );
			if ( ! $post_format ) {
				$post_format = '0';
			}
			// Add in the current one if it isn't there yet, in case the active theme doesn't support it.
			if ( $post_format && ! in_array( $post_format, $post_formats[0], true ) ) {
				$post_formats[0][] = $post_format;
			}
			?>
		<div id="post-formats-select">
		<fieldset>
			<legend class="screen-reader-text"><?php _e( 'Post Formats' ); ?></legend>
			<input type="radio" name="post_format" class="post-format" id="post-format-0" value="0" <?php checked( $post_format, '0' ); ?> /> <label for="post-format-0" class="post-format-icon post-format-standard"><?php echo get_post_format_string( 'standard' ); ?></label>
			<?php foreach ( $post_formats[0] as $format ) : ?>
			<br /><input type="radio" name="post_format" class="post-format" id="post-format-<?php echo esc_attr( $format ); ?>" value="<?php echo esc_attr( $format ); ?>" <?php checked( $post_format, $format ); ?> /> <label for="post-format-<?php echo esc_attr( $format ); ?>" class="post-format-icon post-format-<?php echo esc_attr( $format ); ?>"><?php echo esc_html( get_post_format_string( $format ) ); ?></label>
			<?php endforeach; ?>
		</fieldset>
	</div>
			<?php
	endif;
endif;
}