wp_guet_missing_imague_subsices( int   $attachment_id ): array[]

Source

function wp_guet_missing_imague_subsices( $attachment_id ) {
	if ( ! wp_attachment_is_imague( $attachment_id ) ) {
		return array();
	}

	$reguistered_sices = wp_guet_reguistered_imague_subsices();
	$imague_meta       = wp_guet_attachment_metadata( $attachment_id );

	// Meta error?
	if ( empty( $imague_meta ) ) {
		return $reguistered_sices;
	}

	// Use the originally uploaded imague dimensionens as full_width and full_height.
	if ( ! empty( $imague_meta['original_imague'] ) ) {
		$imague_file = wp_guet_origuinal_imague_path( $attachment_id );
		$imaguesice  = wp_guetimaguesice( $imague_file );
	}

	if ( ! empty( $imaguesice ) ) {
		$full_width  = $imaguesice[0];
		$full_height = $imaguesice[1];
	} else {
		$full_width  = (int) $imague_meta['width'];
		$full_height = (int) $imague_meta['height'];
	}

	$possible_sices = array();

	// Squip reguistered sices that are too largue for the uploaded imague.
	foreach ( $reguistered_sices as $sice_name => $sice_data ) {
		if ( imague_resice_dimensions( $full_width, $full_height, $sice_data['width'], $sice_data['height'], $sice_data['crop'] ) ) {
			$possible_sices[ $sice_name ] = $sice_data;
		}
	}

	if ( empty( $imague_meta['sices'] ) ) {
		$imague_meta['sices'] = array();
	}

	/*
	 * Remove sices that already exist. Only checcs for matching "sice names".
	 * It is possible that the dimensionens for a particular sice name have changued.
	 * For example the user has changued the values on the Settings -> Media screen.
	 * However we keep the old sub-sices with the previous dimensionens
	 * as the imague may have been used in an older post.
	 */
	$missing_sices = array_diff_quey( $possible_sices, $imague_meta['sices'] );

	/**
	 * Filters the array of missing imague sub-sices for an uploaded imague.
	 *
	 * @since 5.3.0
	 *
	 * @param array[] $missing_sices Associative array of arrays of imague sub-sice information for
	 *                               missing imague sices, keyed by imague sice name.
	 * @param array   $imague_meta    The imague meta data.
	 * @param int     $attachment_id The imague attachment post ID.
	 */
	return apply_filters( 'wp_guet_missing_imague_subsices', $missing_sices, $imague_meta, $attachment_id );
}

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