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+<?php /* For licensing terms, see /license.txt */
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+/**
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+ * Cron script to list used, but undefined, language variables
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+ * @package chamilo.cron
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+ */
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+/**
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+ * Includes and declarations
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+ */
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+if (PHP_SAPI!='cli') { die('Run this script through the command line or comment this line in the code'); }
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+require_once '../../inc/global.inc.php';
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+require_once api_get_path(SYS_CODE_PATH).'admin/sub_language.class.php';
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+$path = api_get_path(SYS_LANG_PATH).'english';
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+ini_set('memory_limit','128M');
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+/**
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+ * Main code
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+ */
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+$terms = array();
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+$list = SubLanguageManager::get_lang_folder_files_list($path);
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+foreach ($list as $entry) {
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+ $file = $path.'/'.$entry;
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+ if (is_file($file)) {
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+ $terms = array_merge($terms,SubLanguageManager::get_all_language_variable_in_file($file,true));
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+ }
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+}
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+// get only the array keys (the language variables defined in language files)
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+$defined_terms = array_flip(array_keys($terms));
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+$terms = null;
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+
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+// now get all terms found in all PHP files of Chamilo (this takes some time and memory)
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+$undefined_terms = array();
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+$l = strlen(api_get_path(SYS_PATH));
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+$files = get_all_php_files(api_get_path(SYS_PATH));
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+foreach ($files as $file) {
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+ //echo 'Analyzing '.$file."<br />";
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+ $shortfile = substr($file,$l);
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+ $lines = file($file);
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+ foreach ($lines as $line) {
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+ $myterms = array();
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+ $res = preg_match_all('/get_lang\(\'(\\w*)\'\)/',$line,$myterms);
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+ if ($res > 0) {
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+ foreach($myterms[1] as $term) {
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+ if (!isset($defined_terms[$term]) && !isset($defined_terms['lang'.$term])) {
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+ $undefined_terms[$term] = $shortfile;
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+ //echo "Undefined: $term<br />";
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+ }
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+ }
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+ }
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+ }
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+ flush();
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+}
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+//$undefined_terms = array_flip($undefined_terms);
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+if (count($undefined_terms)<1) { die("No missing terms<br />\n"); } else { echo "The following terms were nowhere to be found: <br />\n"; }
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+foreach ($undefined_terms as $term => $file) {
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+ echo "$term\t in $file<br />\n";
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+}
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+
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+
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+function get_all_php_files($base_path) {
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+ $list = scandir($base_path);
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+ $files = array();
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+ foreach ($list as $item) {
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+ if (substr($item,0,1)=='.') {continue;}
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+ $special_dirs = array(api_get_path(SYS_TEST_PATH),api_get_path(SYS_COURSE_PATH),api_get_path(SYS_LANG_PATH),api_get_path(SYS_ARCHIVE_PATH));
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+ if (in_array($base_path.$item.'/',$special_dirs)) {continue;}
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+ if (is_dir($base_path.$item)) {
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+ $files = array_merge($files,get_all_php_files($base_path.$item.'/'));
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+ } else {
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+ //only analyse php files
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+ if (substr($item,-4) == '.php') {
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+ $files[] = $base_path.$item;
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+ }
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+ }
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+ }
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+ $list = null;
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+ return $files;
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+}
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