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  1. PO
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    <p>You can try</p> <pre><code>$url = "http://localhost/server.php"; $nodes = array(); $nodes["A"] = array("data" =&gt; mt_rand()); &lt;-------- Random Data $nodes["B"] = array("data" =&gt; mt_rand()); $nodes["C"] = array("data" =&gt; mt_rand()); $nodes["D"] = array("data" =&gt; mt_rand()); echo "&lt;pre&gt;"; $mh = curl_multi_init(); $curl_array = array(); foreach ( $nodes as $i =&gt; $data ) { $curl_array[$i] = curl_init($url); curl_setopt($curl_array[$i], CURLOPT_RETURNTRANSFER, true); curl_setopt($curl_array[$i], CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2 (.NET CLR 3.5.30729)'); curl_setopt($curl_array[$i], CURLOPT_POST, true); curl_setopt($curl_array[$i], CURLOPT_POSTFIELDS, $data); curl_setopt($curl_array[$i], CURLOPT_CONNECTTIMEOUT, 5); curl_setopt($curl_array[$i], CURLOPT_TIMEOUT, 15); curl_multi_add_handle($mh, $curl_array[$i]); echo "Please save this data No : $i ", $data['data'], PHP_EOL; } echo PHP_EOL ,PHP_EOL; $running = NULL; do { usleep(10000); curl_multi_exec($mh, $running); } while ( $running &gt; 0 ); $res = array(); foreach ( $nodes as $i =&gt; $url ) { $curlErrorCode = curl_errno($curl_array[$i]); if ($curlErrorCode === 0) { $info = curl_getinfo($curl_array[$i]); if ($info['http_code'] == 200) { &lt;------- Connection OK echo "Cya! (off to do something more important No : $i Done", PHP_EOL; echo curl_multi_getcontent($curl_array[$i]) , PHP_EOL ; } } curl_multi_remove_handle($mh, $curl_array[$i]); curl_close($curl_array[$i]); } curl_multi_close($mh); </code></pre> <p>Output</p> <pre><code>Please save this data No : A 1130087324 Please save this data No : B 1780371600 Please save this data No : C 764866719 Please save this data No : D 2042666801 Cya! (off to do something more important No : A Done Ok, Im done processing, here is your response... {"data":"1130087324"} PHP? Where did you go? I feel used :( 113 Cya! (off to do something more important No : B Done Ok, Im done processing, here is your response... {"data":"1780371600"} PHP? Where did you go? I feel used :( 113 Cya! (off to do something more important No : C Done Ok, Im done processing, here is your response... {"data":"764866719"} PHP? Where did you go? I feel used :( 112 Cya! (off to do something more important No : D Done Ok, Im done processing, here is your response... {"data":"2042666801"} PHP? Where did you go? I feel used :( 113 </code></pre> <p>Simple Test Server server.php</p> <pre><code>echo printf("Ok, Im done processing, here is your response... \n\t%s PHP? Where did you go? \n\tI feel used :(\n", json_encode($_REQUEST)); </code></pre>
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    1. POHow to tell when curl_multi_exec is done _sending_ data
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    1. USBaba
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    1. POHow to tell when curl_multi_exec is done _sending_ data
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    1. COWon't `} while ( $running > 0 );` only stop when it has received the data? But I think you are on to something with curl_getinfo.
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      1. UStomwoods
    2. CO@ you don't what it to stop running ????? What do you mean by `only stop when it has received the data` ???
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      1. USBaba
    3. COThe issue is that it won't stop until its done receiving data, as I understand it. But your answer pointed me in the right direction. I ended up with a code similar to the following: `curl_multi_exec($mch, $active); do{ usleep(100); curl_multi_exec($mch, $active); $info = curl_getinfo($ch1); if($info['request_size']>0){ var_dump("exited before done reading!"); break; } }while($active > 0);` The key is that I'm breaking before reading the response data.
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