Hi friends, In this post i would like to share my knoweldge about redirection , 404 ( Page not found error message) ,service not avialable(503), CSS , Javascript , For the images and application type ( PDF ,…).
For above requirements we can use php headers to solve the issues.
PHP Headers for your Web Application by Anil Kumar Panigrahi
1) 301 moved permanently (redirect):
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2) 302 moved temporarily(redirect):
3) 404 Page Not Found:
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4) Service not avaliable:
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5) CSS:
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6) Javascript header:
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7) Images:
7.1) For JPEG(jpg):
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7.2) For PNG:
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7.3)For BMP:
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8 ) PDF (output pdf with php):
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9) Cache (force browsers not to cache files):
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10) Download dialog:
1 2 3 4 5 6 7 8 9 | <?php header('Content-Disposition: attachment; filename=' . urlencode($f)); header('Content-Type: application/force-download'); header('Content-Type: application/octet-stream'); header('Content-Type: application/download'); header('Content-Description: File Transfer'); header('Content-Length: ' . filesize($f)); echo file_get_contents($f); ?> |
11) Authentication (force the browser to pop up a Username/Password input window) – only available when PHP is running as an Apache module:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | <?php if (!isset($_SERVER['PHP_AUTH_USER'])) { header('WWW-Authenticate: Basic realm="The Realm"'); header('HTTP/1.0 401 Unauthorized'); echo 'If cancel is pressed this text shows'; die(); } else { //always escape your data// $user='user_name'; $pass='password'; if($_SERVER['PHP_AUTH_USER']==$user && $_SERVER['PHP_AUTH_PW']==$pass){ echo 'Authorized'; } } ?> |
2 Comments
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