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Thread: Useful Information about Function Header (PHP)

  1. #1

    Useful Information about Function Header (PHP)


    For a long time I have many problems with function Header in PHP. This cause an error of outup buffering when we have something like this:
    PHP Code:
    echo "Hi world!";
    header ("location: main.php");
    this cause a error that i refer previous. The first solution for this was using javascript like this:

    PHP Code:
    echo "<SCRIPT>window.location=\"main.php\"; </SCRIPT>"
    but this isn't very good because when user click back on browser isn't possible, this function not permit Back.

    Then I have to found another solution , finally
    like this:

    PHP Code:

    "Hi world!";
    header ("location: main.php");

    Using this functions (ob_start(); and ob_end_flush(); ), we can have many outputing to buffer without cause error

    You can found more information about this functions in

    I test this in PHP 4.0.6 and 4.3.1

    I hope this help someone

  2. #2
    well if you are going to do that, then why not just take the output code (echo) out. The ob_start disallows output being displayed... so that entire code could be shortened to

    PHP Code:
    ("Location: whereever.php");

  3. #3
    home cooking is killing the restaurant industry
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  4. #4
    Jubba can be but if you need to have something like this

    PHP Code:

    if ($status == "loginok") {

    "Validation Ok!"

    }else {

    header ("location: main.php");

    you can't have only header ("location: main.php");

  5. #5
    look at your code again. That would work without using the ob_start/ob_flush because of the if statement. If its not true then there is no output and the header gets parsed... if the statement is true... the output is run and the header doesn't get parsed...

  6. #6
    No... don't works .... the logical is that work but not ...

    As i was sad, i test in versions 4.0.6 and 4.3.1 ...

  7. #7
    works fine on: 4.3.2

    must be the older versions... but I never had trouble with this before I upgraded my server...

    eh whatever...

  8. #8
    Doesn't PHP have HTTP Headers like ASP?

  9. #9

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