// Require the configuration file with application settings.
if (file_exists(APP_DIR."/WEB-INF/config.php")) {
echo('WEB-INF/config.php file exists.<br>');
+
+ // Config file must start with the PHP opening tag. We are checking this because
+ // a Unicode editor may insert a byte order mark (BOM) before it. This is not good as it will
+ // spit white space before output in some situations such as in PDF reports.
+ $file = fopen(APP_DIR.'/WEB-INF/config.php', 'r');
+ $line = fgets($file);
+ if (strcmp('<?php'.PHP_EOL, $line) !== 0) {
+ echo('<font color="red">Error: WEB-INF/config.php file does not start with PHP opening tag.</font><br>');
+ }
+ fclose($file);
} else {
echo('<font color="red">Error: WEB-INF/config.php file does not exist.</font><br>');
}
echo('<font color="red">Error: DSN value is not defined. Check your config.php file.</font><br>');
}
+ // Check if PHP version is good enough.
+ $required_version = '5.2.1'; // Something in TCPDF library does not work below this one.
+ if (version_compare(phpversion(), $required_version, '>=')) {
+ echo('PHP version: '.phpversion().', good enough.<br>');
+ } else {
+ echo('<font color="red">Error: PHP version is not high enough: '.phpversion().'. Required: '.$required_version.'.</font><br>');
+ }
+
// Depending on DSN, require either mysqli or mysql extensions.
if (strrpos(DSN, 'mysqli://', -strlen(DSN)) !== FALSE) {
if (extension_loaded('mysqli')) {