Bug #75764 [NEW]: cUrl post large data goes wrong

From: peter at grootplezier dot nl Operating system: Windows PHP version: 7.2.1 Package: cURL related Bug Type: Bug Bug description:cUrl post large data goes wrong Description: ------------ Tested with: PHP 7.1.10 and curl 7.56.0 The script works with curl 7.54.0 correctly. Works in the newest curl version. But this is still not implemented in the Windows version of PHP. Test script: --------------- <?php //generate string data function getStr($num) { $bstring = 'abcdefghijklmnopqrstuvxyz0123456789'; $str = ''; for($i = 0; $i < $num; $i++) { $str .= $bstring; } return $str; } $json = [ 'json1' => getStr(200), 'json2' => getStr(200), 'json3' => getStr(200), 'json4' => getStr(200), ]; $post = [ 'test1' => 'a', 'test2' => 'b', 'test3' => 'c', 'test4' => json_encode($json) //or use print_r or var_dump with return parameter ]; $ch = curl_init(); //send encoded json-data to service curl_setopt($ch, CURLOPT_URL, 'https://localhost/service.php'); curl_setopt($ch, CURLOPT_POSTFIELDS, $post); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); $result = curl_exec ($ch); curl_close($ch); var_dump($result); ?> service.php -------------------------------------------------------------------------------------- <?php //get the post data and write into request.log $result = file_put_contents('request.log', print_r($_REQUEST, true)); var_dump($result); //the content of $_REQUEST is wrong, json1 is repeated, content is cutted off //expected result: correct content in $_REQUEST ?> Expected result: ---------------- Correct post data in $_REQUEST. Actual result: -------------- the content of $_REQUEST is wrong, json1 is repeated, content is cutted off, the post data is corrupt -- Edit bug report at https://bugs.php.net/bug.php?id=75764&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=75764&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=75764&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=75764&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=75764&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=75764&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=75764&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=75764&r=needscript Try newer version: https://bugs.php.net/fix.php?id=75764&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=75764&r=support Expected behavior: https://bugs.php.net/fix.php?id=75764&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=75764&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=75764&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=75764&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=75764&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=75764&r=dst IIS Stability: https://bugs.php.net/fix.php?id=75764&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=75764&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=75764&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=75764&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=75764&r=mysqlcfg