City Term Meta

class City_Term_Meta {

	public function __construct() {

		if ( is_admin() ) {

			add_action( 'city_add_form_fields',  array( $this, 'create_screen_fields'), 10, 1 );
			add_action( 'city_edit_form_fields', array( $this, 'edit_screen_fields' ),  10, 2 );

			add_action( 'created_city', array( $this, 'save_data' ), 10, 1 );
			add_action( 'edited_city',  array( $this, 'save_data' ), 10, 1 );

		}

	}

	public function create_screen_fields( $taxonomy ) {

		// Set default values.
		$city_custom_ = '';
		$city_custom_ = '';
		$city_custom_ = '';

		// Form fields.
		echo '<div class="form-field term-city_custom_-wrap">';
		echo '	<label for="city_custom_">' . __( 'State', 'text_domain' ) . '</label>';
		echo '	<input type="text" id="city_custom_" name="city_custom_" placeholder="' . esc_attr__( '', 'text_domain' ) . '" value="' . esc_attr( $city_custom_ ) . '">';
		echo '</div>';

		echo '<div class="form-field term-city_custom_-wrap">';
		echo '	<label for="city_custom_">' . __( 'State Url', 'text_domain' ) . '</label>';
		echo '	<input type="text" id="city_custom_" name="city_custom_" placeholder="' . esc_attr__( 'state-name', 'text_domain' ) . '" value="' . esc_attr( $city_custom_ ) . '">';
		echo '</div>';

		echo '<div class="form-field term-city_custom_-wrap">';
		echo '	<label for="city_custom_">' . __( 'State Abbr URL', 'text_domain' ) . '</label>';
		echo '	<input type="text" id="city_custom_" name="city_custom_" placeholder="' . esc_attr__( '', 'text_domain' ) . '" value="' . esc_attr( $city_custom_ ) . '">';
		echo '</div>';

	}

	public function edit_screen_fields( $term, $taxonomy ) {

		// Retrieve an existing value from the database.
		$city_custom_ = get_term_meta( $term->term_id, 'city_custom_', true );
		$city_custom_ = get_term_meta( $term->term_id, 'city_custom_', true );
		$city_custom_ = get_term_meta( $term->term_id, 'city_custom_', true );

		// Set default values.
		if( empty( $city_custom_ ) ) $city_custom_ = '';
		if( empty( $city_custom_ ) ) $city_custom_ = '';
		if( empty( $city_custom_ ) ) $city_custom_ = '';

		// Form fields.
		echo '<tr class="form-field term-city_custom_-wrap">';
		echo '<th scope="row">';
		echo '	<label for="city_custom_">' . __( 'State', 'text_domain' ) . '</label>';
		echo '</th>';
		echo '<td>';
		echo '	<input type="text" id="city_custom_" name="city_custom_" placeholder="' . esc_attr__( '', 'text_domain' ) . '" value="' . esc_attr( $city_custom_ ) . '">';
		echo '</td>';
		echo '</tr>';

		echo '<tr class="form-field term-city_custom_-wrap">';
		echo '<th scope="row">';
		echo '	<label for="city_custom_">' . __( 'State Url', 'text_domain' ) . '</label>';
		echo '</th>';
		echo '<td>';
		echo '	<input type="text" id="city_custom_" name="city_custom_" placeholder="' . esc_attr__( 'state-name', 'text_domain' ) . '" value="' . esc_attr( $city_custom_ ) . '">';
		echo '</td>';
		echo '</tr>';

		echo '<tr class="form-field term-city_custom_-wrap">';
		echo '<th scope="row">';
		echo '	<label for="city_custom_">' . __( 'State Abbr URL', 'text_domain' ) . '</label>';
		echo '</th>';
		echo '<td>';
		echo '	<input type="text" id="city_custom_" name="city_custom_" placeholder="' . esc_attr__( '', 'text_domain' ) . '" value="' . esc_attr( $city_custom_ ) . '">';
		echo '</td>';
		echo '</tr>';

	}

	public function save_data( $term_id ) {

		// Sanitize user input.
		$city_custom_new_ = isset( $_POST[ 'city_custom_' ] ) ? sanitize_text_field( $_POST[ 'city_custom_' ] ) : '';
		$city_custom_new_ = isset( $_POST[ 'city_custom_' ] ) ? sanitize_text_field( $_POST[ 'city_custom_' ] ) : '';
		$city_custom_new_ = isset( $_POST[ 'city_custom_' ] ) ? sanitize_text_field( $_POST[ 'city_custom_' ] ) : '';

		// Update the meta field in the database.
		update_term_meta( $term_id, 'city_custom_', $city_custom_new_ );
		update_term_meta( $term_id, 'city_custom_', $city_custom_new_ );
		update_term_meta( $term_id, 'city_custom_', $city_custom_new_ );

	}

}

new City_Term_Meta;