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<?php
// PHP 5.3.3 minimum
if (version_compare(PHP_VERSION, '5.3.3', '<')) {
throw new Exception('This software require PHP 5.3.3 minimum');
}
// Checks for PHP < 5.4
if (version_compare(PHP_VERSION, '5.4.0', '<')) {
// Short tags must be enabled for PHP < 5.4
if (! ini_get('short_open_tag')) {
throw new Exception('This software require to have short tags enabled if you have PHP < 5.4 ("short_open_tag = On")');
}
}
// Check data folder if sqlite
if (DB_DRIVER === 'sqlite' && ! is_writable(dirname(DB_FILENAME))) {
throw new Exception('The directory "'.dirname(DB_FILENAME).'" must be writeable by your web server user');
}
// Check PDO extensions
if (DB_DRIVER === 'sqlite' && ! extension_loaded('pdo_sqlite')) {
throw new Exception('PHP extension required: "pdo_sqlite"');
}
if (DB_DRIVER === 'mysql' && ! extension_loaded('pdo_mysql')) {
throw new Exception('PHP extension required: "pdo_mysql"');
}
if (DB_DRIVER === 'postgres' && ! extension_loaded('pdo_pgsql')) {
throw new Exception('PHP extension required: "pdo_pgsql"');
}
// Check other extensions
foreach (array('gd', 'mbstring', 'hash', 'openssl', 'json', 'hash', 'ctype', 'filter', 'session', 'dom', 'filter', 'SimpleXML', 'xml') as $ext) {
if (! extension_loaded($ext)) {
throw new Exception('This PHP extension is required: "'.$ext.'"');
}
}
// Fix wrong value for arg_separator.output, used by the function http_build_query()
if (ini_get('arg_separator.output') === '&') {
ini_set('arg_separator.output', '&');
}
// Make sure we can read files with "\r", "\r\n" and "\n"
if (ini_get('auto_detect_line_endings') != 1) {
ini_set("auto_detect_line_endings", 1);
}
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