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функция не описана

WC_Meta_Box_Product_Short_Description::output() public WC 1.0

Output the metabox.

Это метод класса: WC_Meta_Box_Product_Short_Description{}

Возвращает

Null. Ничего.

Использование

$result = WC_Meta_Box_Product_Short_Description::output( $post );
$post(WP_Post) (обязательный)
Post object.

Код WC_Meta_Box_Product_Short_Description::output() WC 4.5.2

woocommerce/includes/admin/meta-boxes/class-wc-meta-box-product-short-description.php
<?php
public static function output( $post ) {

	$settings = array(
		'textarea_name' => 'excerpt',
		'quicktags'     => array( 'buttons' => 'em,strong,link' ),
		'tinymce'       => array(
			'theme_advanced_buttons1' => 'bold,italic,strikethrough,separator,bullist,numlist,separator,blockquote,separator,justifyleft,justifycenter,justifyright,separator,link,unlink,separator,undo,redo,separator',
			'theme_advanced_buttons2' => '',
		),
		'editor_css'    => '<style>#wp-excerpt-editor-container .wp-editor-area{height:175px; width:100%;}</style>',
	);

	wp_editor( htmlspecialchars_decode( $post->post_excerpt, ENT_QUOTES ), 'excerpt', apply_filters( 'woocommerce_product_short_description_editor_settings', $settings ) );
}