dolphin/single-functions/simple-curl-call.php

<?php
/**
 *  dolphin. Collection of useful PHP skeletons.
 *  Copyright (C) 2019  Johannes 'Banana' Keßler
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the COMMON DEVELOPMENT AND DISTRIBUTION LICENSE
 *
 * You should have received a copy of the
 * COMMON DEVELOPMENT AND DISTRIBUTION LICENSE (CDDL) Version 1.0
 * along with this program.  If not, see http://www.sun.com/cddl/cddl.html
 */

/**
 * execute a curl call to the given $url
 * @param string $url The request url
 * @param bool $port
 * @return bool|mixed
 */
static function curlCall($url,$port=false) {
	$ret = false;

	$ch = curl_init();

	curl_setopt($ch, CURLOPT_URL, $url);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
	curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
	curl_setopt($ch, CURLOPT_TIMEOUT, 30);
	curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
	curl_setopt($ch, CURLOPT_MAXREDIRS, 2);

	//curl_setopt($ch, CURLOPT_HEADER, true);

	if(!empty($port)) {
	  curl_setopt($ch, CURLOPT_PORT, $port);
	}

	$do = curl_exec($ch);

	if(is_string($do) === true) {
		$ret = $do;
	}
	else {
		error_log(var_export(curl_error($ch),true));
	}

	curl_close($ch);

	return $ret;
}