wc_placeholder_img() │ WC 1.0

Get the placeholder image.

Uses wp_get_attachment_image if using an attachment ID @since 3.6.0 to handle responsiveness.

Возвращает

string.

Использование

wc_placeholder_img( $size, $attr );

$size(строка)

Image size.
По умолчанию: 'woocommerce_thumbnail'

$attr(строка|массив)

Attributes for the image markup.
По умолчанию: ''

Код wc_placeholder_img() wc placeholder img ^{WC 11.2.2}

function wc_placeholder_img( $size = 'woocommerce_thumbnail', $attr = '' ) {
	$dimensions           = wc_get_image_size( $size );
	$placeholder_image    = get_option( 'woocommerce_placeholder_image', 0 );
	$use_attachment_image = wp_attachment_is_image( $placeholder_image );
	$image                = null;

	if ( $use_attachment_image && has_filter( 'woocommerce_placeholder_img_src' ) ) {
		$image                = wc_placeholder_img_src( $size );
		$use_attachment_image = wp_get_attachment_image_url( $placeholder_image, $size ) === $image;
	}

	$default_attr = array(
		'class' => 'woocommerce-placeholder wp-post-image',
		'alt'   => __( 'Placeholder', 'woocommerce' ),
	);

	$attr = wp_parse_args( $attr, $default_attr );

	if ( $use_attachment_image ) {
		$image_html = wp_get_attachment_image(
			$placeholder_image,
			$size,
			false,
			$attr
		);
	} else {
		// A changed source cannot use the attachment's srcset, as the browser could select it instead.
		$image      = $image ?? wc_placeholder_img_src( $size );
		$hwstring   = image_hwstring( $dimensions['width'], $dimensions['height'] );
		$attributes = array();

		foreach ( $attr as $name => $value ) {
			$attributes[] = esc_attr( $name ) . '="' . esc_attr( $value ) . '"';
		}

		$image_html = '<img src="' . esc_url( $image ) . '" ' . $hwstring . implode( ' ', $attributes ) . '/>';
	}

	/**
	 * Filters the placeholder image HTML.
	 *
	 * @param string $image_html The placeholder image HTML.
	 * @param string $size       Image size.
	 * @param array  $dimensions Image width and height.
	 * @param array  $attr       Attributes for the image markup.
	 *
	 * @since 2.0.0
	 * @since 11.1.0 Added the `$attr` parameter.
	 */
	return apply_filters( 'woocommerce_placeholder_img', $image_html, $size, $dimensions, $attr );
}