Few custom functions to adjust the meta title, meta description and og:url outputed by Yoast for Andy Myers Lodge

aml-yoast-seo-adjustments.php

<?php
/**
 * Plugin Name: AML Yoast Seo Adjustments
 * Plugin URI: https://gist.github.com/alexmoise/9fe4bb5014978b59f1dca0f0ef106248
 * GitHub Plugin URI: https://gist.github.com/alexmoise/9fe4bb5014978b59f1dca0f0ef106248
 * Description: Few custom functions to adjust the meta title, meta description and og:url outputed by Yoast for Andy Myers Lodge
 * Version: 1.0.2
 * Author: Alex Moise
 * Author URI: https://moise.pro
 */
 
 // Fix canonical link, working with Yoast only
// ----------------------------------------------------------------------------
function AML_remove_canonical() {add_filter( 'wpseo_canonical', '__return_false', 10, 1 );}
add_action('wp', 'AML_remove_canonical');
function AML_design_canonical() {
	$slug = strip_tags('http'.(($_SERVER['SERVER_PORT'] == 443) ? "s://" : "://").$_SERVER['SERVER_NAME'].parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH));
	echo '<link rel="canonical" href="'.$slug.'" />'.PHP_EOL;
}
add_filter( 'wpseo_canonical', 'AML_design_canonical' );

// ....and OG:URL too, working with Yoast only
// ----------------------------------------------------------------------------
add_filter( 'wpseo_opengraph_url', 'AML_opengraph_url' );
function AML_opengraph_url( $url ) {
	$ogurl = strip_tags('http'.(($_SERVER['SERVER_PORT'] == 443) ? "s://" : "://").$_SERVER['SERVER_NAME'].parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH));
	return $ogurl;
}

// Adjust the meta title, working with Yoast only
// ----------------------------------------------------------------------------
add_filter('wpseo_title', 'AML_adjust_title');
function AML_adjust_title($title) {
	// global $wp_query; // actually not needed
	if ( is_page_template( 'template-photo-gallery.php' ) ) {
		$titleyear = get_query_var('year'); if ($titleyear < 2000) { unset ($titleyear); }
		$title = 'Photos '.$titleyear.' | Andy Myers Lodge';
	}
    return $title;
}

// Adjust the meta description, working with Yoast only
// ----------------------------------------------------------------------------
add_filter('wpseo_metadesc', 'AML_adjust_description');
function AML_adjust_description($description) {
	// global $wp_query; // actually not needed
	if ( is_page_template( 'template-photo-gallery.php' ) ) {
		$titleyear = get_query_var('year'); 
		$descpart1 = 'Check our some of the photos we\'ve gathered ';
		if ($titleyear < 2000) { $descpart2 = 'over the years'; } else { $descpart2 = 'in '.$titleyear; }
		$descpart3 = ' at Andy Myers Lodge!';
		$description = $descpart1.$descpart2.$descpart3;
	}
    return $description;
}
?>