A simple PHP function to help grab your most recent Stack Exchange values for use in your website.

stack_exchange_data.php

<?php
	function get_stack_exchange_data( int $stack_exchange_id, bool $force_refresh = false, string $cache_dir = __DIR__ . '/stack-exchange' ){
		$max_age    = 1800;
		$api_url    = sprintf( 'https://api.stackexchange.com/2.2/users/%d/associated', $stack_exchange_id );
		$cache_name = sprintf( '%s/%d.txt', $cache_dir, $stack_exchange_id );

		if( !is_dir($cache_dir) )
			mkdir( $cache_dir );

		if( !file_exists($cache_name) || (file_exists($cache_name) && filemtime($cache_name) < ( time() - $max_age )) ){
			$ch = curl_init();

			curl_setopt( $ch, CURLOPT_URL, $api_url );
			curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1 );
			curl_setopt( $ch, CURLOPT_ENCODING , 'gzip' );

			$data = curl_exec( $ch );

			try {
				file_put_contents( $cache_name, $data );
			} catch( Exception $e ){
				trigger_error( $e->getMessage(), E_USER_WARNING );
			}
		} else {
			$data = file_get_contents( $cache_name );
		}

		$data = json_decode( $data );

		for( $i = 0, $n = count($data->items); $i < $n; $i++ ){
			$data->items[$data->items[$i]->site_name] = $data->items[$i];
			unset( $data->items[$i] );
		}

		return $data;
	}
?>