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php check if headers already sent

Tiago F2 answered on May 31, 2022 Popularity 4/10 Helpfulness 7/10

answer php check if headers already sent

php check if headers already sent

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<?php
  
//You can use 'headers_sent' function 

// If no headers are sent, send one
if (!headers_sent()) {
    header('Location: http://www.example.com/');
    exit;
}

// An example using the optional file and line parameters
// Note that $filename and $linenum are passed in for later use.
// Do not assign them values beforehand.
if (!headers_sent($filename, $linenum)) {
    header('Location: http://www.example.com/');
    exit;

// You would most likely trigger an error here.
} else {

    echo "Headers already sent in $filename on line $linenum\n" .
          "Cannot redirect, for now please click this <a " .
          "href=\"http://www.example.com\">link</a> instead\n";
    exit;
}

?>

Popularity 4/10 Helpfulness 7/10 Language php

Source: www.php.net

Tags: php

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Contributed on May 31 2022

Tiago F2

0 Answers Avg Quality 2/10

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php check if headers already sent

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