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jpatta at digitalgamesystems dot com ¶
4 years ago
If you are looking the debug curl_exec, you may wish to log its details, and analyze the various time points during its execution.

before curl_exec:

<?php
    // this will produce a curl log
    curl_setopt($curl, CURLOPT_VERBOSE, true);
    curl_setopt($curl, CURLOPT_STDERR, fopen('/your/writable/app/logdir/curl.log', 'a+')); // a+ to append...
?>

after curl_exec, but before curl_close:

<?php
    // this will extract the timing information
    extract(curl_getinfo($curl)); // create metrics variables from getinfo
    $appconnect_time = curl_getinfo($curl, CURLINFO_APPCONNECT_TIME); // request this time explicitly
    $downloadduration = number_format($total_time - $starttransfer_time, 9); // format, to get rid of scientific notation
    $namelookup_time = number_format($namelookup_time, 9);
    $metrics = "CURL...: $url Time...: $total_time DNS: $namelookup_time Connect: $connect_time SSL/SSH: $appconnect_time PreTransfer: $pretransfer_time StartTransfer: $starttransfer_time Download: $downloadduration";
    error_log($metrics);  // write to php-fpm default www-error.log, or append it to same log as above with file_put_contents(<filename>, $metrics, FILE_APPEND)
?>

Happy debugging
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