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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: php_api.php,v 1.19.2.1 2007-10-13 22:35:38 giallu Exp $
# --------------------------------------------------------
### PHP Compatibility API ###
# Functions to help in backwards compatibility of PHP versions, etc.
# Constant for our minimum required PHP version
define( 'PHP_MIN_VERSION', '4.3.0' );
# cache array of comparisons
$g_cached_version = array();
# --------------------
# Returns true if the current PHP version is higher than the one
# specified in the given string
function php_version_at_least( $p_version_string ) {
global $g_cached_version;
if ( isset( $g_cached_version[$p_version_string] ) ) {
return $g_cached_version[$p_version_string];
}
$t_curver = array_pad( explode( '.', phpversion() ), 3, 0 );
$t_minver = array_pad( explode( '.', $p_version_string ), 3, 0 );
for ($i = 0 ; $i < 3 ; $i = $i + 1 ) {
$t_cur = (int)$t_curver[$i];
$t_min = (int)$t_minver[$i];
if ( $t_cur < $t_min ) {
$g_cached_version[$p_version_string] = false;
return false;
} else if ( $t_cur > $t_min ) {
$g_cached_version[$p_version_string] = true;
return true;
}
}
# if we get here, the versions must match exactly so:
$g_cached_version[$p_version_string] = true;
return true;
}
# --------------------
# Enforce our minimum requirements
if ( !php_version_at_least( PHP_MIN_VERSION ) ) {
@ob_end_clean();
PRINT '<b>FATAL ERROR: Your version of PHP is too old. Mantis requires PHP version ' . PHP_MIN_VERSION . ' or newer</b><br />Your version of PHP is version ' . phpversion();
die();
}
# --------------------
ini_set('magic_quotes_runtime', 0);
# --------------------
# file_put_contents is normally in PEAR
if (!function_exists('file_put_contents')) {
function file_put_contents($filename, $data) {
if (($h = fopen($filename, 'w')) === false) {
return false;
}
if (($bytes = @fwrite($h, $data)) === false) {
return false;
}
fclose($h);
return $bytes;
}
}
# --------------------
# vsprintf is normally in PEAR
if ( !function_exists( 'vsprintf' ) ) {
function vsprintf( $format, $args ) {
array_unshift( $args, $format );
return call_user_func_array( 'sprintf', $args );
}
}
?>
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