Doc #69432 [NEW]: not able to use header

From: vijayjames003 at gmail dot com Operating system: windows7 PHP version: 5.5.23 Package: Output Control Bug Type: Documentation Problem Bug description:not able to use header Description: ------------ --- From manual page: http://www.php.net/mysqli.query --- Test script: --------------- <?php function redirect($page = 'deleteStudent.php'){ header("Location: $page"); exit; } $servername = "localhost"; $username = "root"; $password = ""; $dbname = "loyola"; $uniqueid=$_POST['uniqueid']; session_start(); // Create connection $conn = mysqli_connect($servername, $username, $password, $dbname); // Check connection if ($conn->connect_error) { die("Connection failed: " . $conn->connect_error); } $sql = "DELETE FROM studentdetails WHERE uniqueid = '$uniqueid'" ; $result = $conn->query($sql); if(!$result ) { echo "Deleted data successfully\n"; header('Location:deleteStudent.php'); } else { echo('error<br/>'); echo('Could not delete the Uniqueid entered doesnot Exists: ' ); } ?> Expected result: ---------------- i wanted to delete the record and redirect the page Actual result: -------------- im getting output as below: error Could not delete the Uniqueid entered doesnot Exists: Warning: Cannot modify header information - headers already sent by (output started at C:\xampp\htdocs\deleteStudent1.php:29) in C:\xampp\htdocs\deleteStudent1.php on line 31 -- Edit bug report at https://bugs.php.net/bug.php?id=69432&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=69432&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=69432&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=69432&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=69432&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=69432&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=69432&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=69432&r=needscript Try newer version: https://bugs.php.net/fix.php?id=69432&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=69432&r=support Expected behavior: https://bugs.php.net/fix.php?id=69432&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=69432&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=69432&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=69432&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=69432&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=69432&r=dst IIS Stability: https://bugs.php.net/fix.php?id=69432&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=69432&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=69432&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=69432&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=69432&r=mysqlcfg