lloc / Multisite-Language-Switcher

includes/MslsPostTagClassic.php

<?php
/**
 * MslsPostTagClassic
 * @author Dennis Ploetner <re@lloc.de>
 * @since 0.9.9
 */

namespace lloc\Msls;

/**
 * Post Tag Clasic
 * @package Msls
 */
class MslsPostTagClassic extends MslsPostTag {

	/**
	 * Add the input fields to the add-screen of the taxonomies
	 * @param \StdClass $tag
	 */
	public function add_input( $tag ) {
		$title_format = '<h3>%s</h3>';

		$item_format = '<label for="msls_input_%1$s">%2$s</label>
			<select class="msls-translations" name="msls_input_%1$s">
			<option value=""></option>
			%3$s
			</select>';

		echo '<div class="form-field">';
		$this->the_input( $tag, $title_format, $item_format );
		echo '</div>';
	}

	/**
	 * Add the input fields to the edit-screen of the taxonomies
	 * @param \StdClass $tag
	 */
	public function edit_input( $tag ) {
		$title_format = '<tr>
			<th colspan="2">
			<strong>%s</strong>
			</th>
			</tr>';

		$item_format = '<tr class="form-field">
			<th scope="row" valign="top">
			<label for="msls_input_%1$s">%2$s</label></th>
			<td>
			<select class="msls-translations" name="msls_input_%1$s">
			<option value=""></option>
			%3$s
			</select></td>
			</tr>';

		$this->the_input( $tag, $title_format, $item_format );
	}

	/**
	 * Prints options inputs
	 * @uses selected
	 * @param MslsBlog $blog
	 * @param string $type
	 * @param MslsOptionsTax $mydata
	 * @param string $item_format
	 */
	public function print_option( MslsBlog $blog, $type, MslsOptionsTax $mydata, $item_format ) {
		switch_to_blog( $blog->userblog_id );

		$language = $blog->get_language();
		$icon     = MslsAdminIcon::create()
			->set_language( $language )
			->set_icon_type( 'flag' );
		$options  = '';
		$terms    = get_terms( $type, [ 'hide_empty' => 0 ] );

		if ( $mydata->has_value( $language ) ) {
			$icon->set_href( $mydata->$language );
		}

		if ( ! empty( $terms ) ) {
			foreach ( $terms as $term ) {
				$options .= sprintf(
					'<option value="%s" %s>%s</option>',
					$term->term_id,
					selected( $term->term_id, $mydata->$language, false ),
					$term->name
				);
			}
		}

		printf( $item_format, $language, $icon, $options );

		restore_current_blog();
	}

	/**
	 * Print the input fields
	 * Returns true if the blogcollection is not empty
	 * @param \StdClass $tag
	 * @param string $title_format
	 * @param string $item_format
	 * @return boolean
	 */
	public function the_input( $tag, $title_format, $item_format ) {
		$blogs = $this->collection->get();
		if ( $blogs ) {

The expression $blogs of type lloc\Msls\MslsBlog[] is implicitly converted to a boolean; are you sure this is intended? If so, consider using ! empty($expr) instead to make it clear that you intend to check for an array without elements.

			$term_id = ( is_object( $tag ) ? $tag->term_id : 0 );
			$mydata  = MslsOptionsTax::create( $term_id );
			$type    = MslsContentTypes::create()->get_request();

			$this->maybe_set_linked_term( $mydata );

			printf(
				$title_format,
				apply_filters(
					'msls_term_select_title',
					__( 'Multisite Language Switcher', 'multisite-language-switcher' )
				)
			);

			foreach ( $blogs as $blog ) {
				$this->print_option( $blog, $type, $mydata, $item_format );
			}
			return true;
		}
		return false;
	}
}