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Detect when the server compresses output, see #8628

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git-svn-id: https://develop.svn.wordpress.org/trunk@10476 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Andrew Ozz
2009-02-01 09:45:24 +00:00
parent 8ec672d58c
commit 13d3219317
8 changed files with 107 additions and 77 deletions
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33
wp-admin/load-scripts.php
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@@ -85,36 +85,7 @@ function get_file($path) {
return @file_get_contents($path);
}
// Discard any buffers
while ( @ob_end_clean() );
if ( isset($_GET['test']) && 1 == $_GET['test'] ) {
if ( ini_get('zlib.output_compression') || 'ob_gzhandler' == ini_get('output_handler') )
exit('');
$out = 'var wpCompressionTest = 1;';
$force_gzip = ( isset($_GET['c']) && 'gzip' == $_GET['c'] );
if ( false !== strpos( strtolower($_SERVER['HTTP_ACCEPT_ENCODING']), 'deflate') && function_exists('gzdeflate') && ! $force_gzip ) {
header('Content-Encoding: deflate');
$out = gzdeflate( $out, 3 );
} elseif ( false !== strpos( strtolower($_SERVER['HTTP_ACCEPT_ENCODING']), 'gzip') && function_exists('gzencode') ) {
header('Content-Encoding: gzip');
$out = gzencode( $out, 3 );
} else {
exit('');
}
header( 'Expires: Wed, 11 Jan 1984 05:00:00 GMT' );
header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' );
header( 'Cache-Control: no-cache, must-revalidate, max-age=0' );
header( 'Pragma: no-cache' );
header( 'Content-Type: application/x-javascript; charset=UTF-8' );
echo $out;
exit;
}
$load = preg_replace( '/[^a-z0-9,_-]*/i', '', $_GET['load'] );
$load = preg_replace( '/[^a-z0-9,_-]+/i', '', $_GET['load'] );
$load = explode(',', $load);
if ( empty($load) )
@@ -142,7 +113,7 @@ foreach( $load as $handle ) {
header('Content-Type: application/x-javascript; charset=UTF-8');
header('Expires: ' . gmdate( "D, d M Y H:i:s", time() + $expires_offset ) . ' GMT');
header("Cache-Control: public, max-age=$expires_offset");
if ( $compress && ! ini_get('zlib.output_compression') && 'ob_gzhandler' != ini_get('output_handler') ) {
header('Vary: Accept-Encoding'); // Handle proxies
if ( false !== strpos( strtolower($_SERVER['HTTP_ACCEPT_ENCODING']), 'deflate') && function_exists('gzdeflate') && ! $force_gzip ) {