X-Git-Url: http://wagnertech.de/gitweb/gitweb.cgi/timetracker.git/blobdiff_plain/f74704271ae5d37aee3fdf941f3462c8b92ad0fd..278a83090d6bf9d6351a449ba045323088f678aa:/dbinstall.php

diff --git a/dbinstall.php b/dbinstall.php
index c32695d5..6561649e 100755
--- a/dbinstall.php
+++ b/dbinstall.php
@@ -55,6 +55,16 @@ if ($request->isGet()) {
   // 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>');
   }
@@ -67,6 +77,14 @@ if ($request->isGet()) {
     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')) {