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						public function parseCron() { 	$nodes = ['', '1', '2']; 	$node_count = count($nodes); 	$curl_arr = array(); 	$master = curl_multi_init(); 	for($i = 0; $i < $node_count; $i++) { 		$url ="https:/site.ru/curl.php?city=".$nodes[$i]; 		$curl_arr[$i] = curl_init($url); 		curl_setopt($curl_arr[$i], CURLOPT_RETURNTRANSFER, true); 		curl_multi_add_handle($master, $curl_arr[$i]); 	} 	do { 		curl_multi_exec($master,$running); 	} while($running > 0); }  | 
					
curl multi php
Вдохновитель: http://rustyrazorblade.com/2008/02/curl_multi_exec/