contextual_file_get_contents.php

<?php

// file_get_contents wrapper to allow self-signed certs for local dev domains
function contextual_file_get_contents( $url ) {
	$server_name = (isset($_SERVER['SERVER_NAME'])) ? $_SERVER['SERVER_NAME'] : '';
	$localext =  '.local';
	if ($server_name && substr($server_name, -strlen($localext)) === $localext) {
		$context = stream_context_create(['ssl' => [
			'verify_peer_name'=>false,
			'verify_peer'=>false,
			'allow_self_signed'=> true
		] ]);
		return file_get_contents($url, false, $context);
	} else return file_get_contents($url);
}

Workaround for SSL errors when using file_get_contents on MAMP local environment (file_get_contents(): SSL operation failed with code 1. OpenSSL Error messages: error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed). Assumes local dev domains have ".local" extension on line 6 (change as needed, or use full dev domain name)