/
compress_api.php
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/
compress_api.php
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<?php
# Mantis - a php based bugtracking system
# Copyright (C) 2000 - 2002 Kenzaburo Ito - kenito@300baud.org
# Copyright (C) 2002 - 2007 Mantis Team - mantisbt-dev@lists.sourceforge.net
# Mantis is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# Mantis is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Mantis. If not, see <http://www.gnu.org/licenses/>.
# --------------------------------------------------------
# $Id: compress_api.php,v 1.16.22.1 2007-10-13 22:35:18 giallu Exp $
# --------------------------------------------------------
### Compression API ###
# Starts the buffering/compression (only if the compression option is ON)
# This method should be called after all possible re-directs and
# access level checks.
# This variable is used internally. It is not used for configuration
$g_compression_started = false;
# ----------------
# Check if compression should be enabled.
function compress_is_enabled() {
global $g_compression_started;
#@@@ temporarily disable compression when using IIS because of
# issue #2953
return ( $g_compression_started &&
ON == config_get( 'compress_html' ) &&
OFF == config_get( 'use_iis' ) &&
( 'ob_gzhandler' != ini_get('output_handler') ) &&
extension_loaded( 'zlib' ) &&
!ini_get('zlib.output_compression') );
}
# ----------------
# Output Buffering handler that either compresses the buffer or just
# returns it, depending on the return value of compress_is_enabled()
function compress_handler( $p_buffer, $p_mode ) {
if ( compress_is_enabled() ) {
return ob_gzhandler( $p_buffer, $p_mode );
} else {
return $p_buffer;
}
}
# ----------------
# Enable output buffering with compression.
function compress_enable() {
global $g_compression_started;
$g_compression_started = true;
}
# ----------------
# Disable output buffering with compression.
function compress_disable() {
global $g_compression_started;
$g_compression_started = false;
}
?>