SportsPress: Find duplicated variable/key instances

sportspress_duplicated_variables.php

<?php

if (!empty($_GET['sportspress_debug'])) {
	add_action('init', function () {
		$all = [];

		foreach ([
			'sp_outcome',
			'sp_result',
			'sp_performance',
			'sp_column',
			'sp_metric',
			'sp_statistic',
			'sp_spec',
		] as $cpt) {
			$posts = get_posts([
				'post_type' => $cpt
			]);
			foreach ($posts as $post) {
				$all[] = [
					'id' => $post->ID,
					'slug' => $post->post_name,
					'cpt' => $cpt,

				];
			}
		}

		$duplicates = array_values(array_filter($all, fn ($element) => array_count_values(array_column($all, 'slug'))[$element['slug']] > 1));

		print_r($duplicates);
		die();
	});
}