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<?php |
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/* For licensing terms, see /license.txt */ |
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/** |
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* This tool allows platform admins to add skills by uploading a CSV or XML file. |
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* |
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* @package chamilo.admin |
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* @documentation Some interesting basic skills can be found in the "Skills" |
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* section here: http://en.wikipedia.org/wiki/Personal_knowledge_management |
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*/ |
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$cidReset = true; |
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require_once __DIR__.'/../inc/global.inc.php'; |
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/** |
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* Validate the imported data. |
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* |
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* @param $skills |
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* |
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* @return array |
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*/ |
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function validate_data($skills) |
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{ |
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$errors = []; |
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// 1. Check if mandatory fields are set. |
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$mandatory_fields = ['id', 'parent_id', 'name']; |
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foreach ($skills as $index => $skill) { |
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foreach ($mandatory_fields as $field) { |
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if (empty($skill[$field])) { |
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$skill['error'] = get_lang(ucfirst($field).'Mandatory'); |
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$errors[] = $skill; |
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} |
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} |
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// 2. Check skill ID is not empty |
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if (!isset($skill['id']) || empty($skill['id'])) { |
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$skill['error'] = get_lang('SkillImportNoID'); |
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$errors[] = $skill; |
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} |
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// 3. Check skill Parent |
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if (!isset($skill['parent_id'])) { |
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$skill['error'] = get_lang('SkillImportNoParent'); |
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$errors[] = $skill; |
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} |
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// 4. Check skill Name |
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if (!isset($skill['name'])) { |
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$skill['error'] = get_lang('SkillImportNoName'); |
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$errors[] = $skill; |
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} |
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} |
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return $errors; |
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} |
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/** |
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* Save the imported data. |
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* |
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* @param array List of users |
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* |
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* @uses \global variable $inserted_in_course, |
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* which returns the list of courses the user was inserted in |
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*/ |
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function save_data($skills) |
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{ |
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if (is_array($skills)) { |
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$parents = []; |
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foreach ($skills as $index => $skill) { |
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if (isset($parents[$skill['parent_id']])) { |
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$skill['parent_id'] = $parents[$skill['parent_id']]; |
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} else { |
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$skill['parent_id'] = 1; |
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} |
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$skill['a'] = 'add'; |
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$saved_id = $skill['id']; |
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$skill['id'] = null; |
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$oskill = new Skill(); |
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$skill_id = $oskill->add($skill); |
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$parents[$saved_id] = $skill_id; |
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} |
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} |
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} |
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/** |
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* Read the CSV-file. |
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* |
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* @param string $file Path to the CSV-file |
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* |
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* @return array All userinformation read from the file |
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*/ |
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function parse_csv_data($file) |
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{ |
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$skills = Import::csvToArray($file); |
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foreach ($skills as $index => $skill) { |
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$skills[$index] = $skill; |
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} |
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return $skills; |
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} |
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/** |
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* XML-parser: handle start of element. |
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*/ |
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function element_start($parser, $data) |
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{ |
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$data = api_utf8_decode($data); |
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global $skill; |
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global $current_tag; |
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switch ($data) { |
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case 'Skill': |
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$skill = []; |
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break; |
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default: |
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$current_tag = $data; |
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} |
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} |
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/** |
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* XML-parser: handle end of element. |
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*/ |
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function element_end($parser, $data) |
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{ |
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$data = api_utf8_decode($data); |
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global $skill; |
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global $skills; |
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global $current_value; |
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switch ($data) { |
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case 'Skill': |
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$skills[] = $skill; |
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break; |
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default: |
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$skill[$data] = $current_value; |
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break; |
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} |
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} |
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/** |
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* XML-parser: handle character data. |
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*/ |
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function character_data($parser, $data) |
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{ |
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$data = trim(api_utf8_decode($data)); |
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global $current_value; |
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$current_value = $data; |
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} |
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/** |
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* Read the XML-file. |
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* |
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* @param string $file Path to the XML-file |
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* |
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* @return array All userinformation read from the file |
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*/ |
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function parse_xml_data($file) |
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{ |
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global $current_tag; |
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global $current_value; |
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global $skill; |
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global $skills; |
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$skills = []; |
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$parser = xml_parser_create('UTF-8'); |
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xml_set_element_handler($parser, 'element_start', 'element_end'); |
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xml_set_character_data_handler($parser, 'character_data'); |
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xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, false); |
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xml_parse($parser, api_utf8_encode_xml(file_get_contents($file))); |
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xml_parser_free($parser); |
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return $skills; |
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} |
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$this_section = SECTION_PLATFORM_ADMIN; |
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api_protect_admin_script(true); |
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$tool_name = get_lang('ImportSkillsListCSV'); |
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$interbreadcrumb[] = ["url" => 'index.php', "name" => get_lang('PlatformAdmin')]; |
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set_time_limit(0); |
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$extra_fields = UserManager::get_extra_fields(0, 0, 5, 'ASC', true); |
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$user_id_error = []; |
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$error_message = ''; |
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if (!empty($_POST['formSent']) && $_FILES['import_file']['size'] !== 0) { |
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$file_type = $_POST['file_type']; |
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Security::clear_token(); |
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$tok = Security::get_token(); |
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$allowed_file_mimetype = ['csv', 'xml']; |
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$error_kind_file = false; |
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$error_message = ''; |
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$ext_import_file = substr($_FILES['import_file']['name'], (strrpos($_FILES['import_file']['name'], '.') + 1)); |
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if (in_array($ext_import_file, $allowed_file_mimetype)) { |
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if (strcmp($file_type, 'csv') === 0 && $ext_import_file == $allowed_file_mimetype[0]) { |
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$skills = parse_csv_data($_FILES['import_file']['tmp_name']); |
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$errors = validate_data($skills); |
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$error_kind_file = false; |
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} elseif (strcmp($file_type, 'xml') === 0 && $ext_import_file == $allowed_file_mimetype[1]) { |
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$skills = parse_xml_data($_FILES['import_file']['tmp_name']); |
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$errors = validate_data($skills); |
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$error_kind_file = false; |
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} else { |
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$error_kind_file = true; |
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} |
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} else { |
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$error_kind_file = true; |
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} |
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// List skill id with error. |
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$skills_to_insert = $skill_id_error = []; |
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if (is_array($errors)) { |
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foreach ($errors as $my_errors) { |
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$skill_id_error[] = $my_errors['SkillName']; |
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} |
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} |
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if (is_array($skills)) { |
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foreach ($skills as $my_skill) { |
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if (isset($my_skill['name']) && !in_array($my_skill['name'], $skill_id_error)) { |
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$skills_to_insert[] = $my_skill; |
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} |
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} |
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} |
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if (strcmp($file_type, 'csv') === 0) { |
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save_data($skills_to_insert); |
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} elseif (strcmp($file_type, 'xml') === 0) { |
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save_data($skills_to_insert); |
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} else { |
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$error_message = get_lang('YouMustImportAFileAccordingToSelectedOption'); |
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} |
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227
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if (count($errors) > 0) { |
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228
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$see_message_import = get_lang('FileImportedJustSkillsThatAreNotRegistered'); |
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} else { |
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230
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$see_message_import = get_lang('FileImported'); |
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} |
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233
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if (count($errors) != 0) { |
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$warning_message = '<ul>'; |
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235
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foreach ($errors as $index => $error_skill) { |
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$warning_message .= '<li><b>'.$error_skill['error'].'</b>: '; |
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$warning_message .= '<strong>'.$error_skill['SkillName'].'</strong> ('.$error_skill['SkillName'].')'; |
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$warning_message .= '</li>'; |
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} |
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240
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$warning_message .= '</ul>'; |
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} |
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243
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if ($error_kind_file) { |
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$error_message = get_lang('YouMustImportAFileAccordingToSelectedOption'); |
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} |
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246
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} |
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247
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248
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$interbreadcrumb[] = ["url" => 'skill_list.php', "name" => get_lang('ManageSkills')]; |
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249
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250
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Display :: display_header($tool_name); |
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252
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if (!empty($error_message)) { |
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253
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echo Display::return_message($error_message, 'error'); |
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254
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} |
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255
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if (!empty($see_message_import)) { |
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256
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echo Display::return_message($see_message_import, 'normal'); |
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257
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} |
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258
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259
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$objSkill = new Skill(); |
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260
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echo $objSkill->getToolBar(); |
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261
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262
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$form = new FormValidator('user_import', 'post', 'skills_import.php'); |
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263
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$form->addElement('header', '', $tool_name); |
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264
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$form->addElement('hidden', 'formSent'); |
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265
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$form->addElement('file', 'import_file', get_lang('ImportFileLocation')); |
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266
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$group = []; |
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267
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$group[] = $form->createElement( |
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268
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'radio', |
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269
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'file_type', |
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270
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'', |
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271
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'CSV (<a href="skill_example.csv" target="_blank">'.get_lang('ExampleCSVFile').'</a>)', |
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272
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'csv' |
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273
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); |
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274
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$form->addGroup($group, '', get_lang('FileType')); |
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275
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$form->addButtonImport(get_lang('Import')); |
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276
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$defaults['formSent'] = 1; |
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277
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$defaults['sendMail'] = 0; |
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278
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$defaults['file_type'] = 'csv'; |
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279
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$form->setDefaults($defaults); |
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280
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$form->display(); |
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281
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282
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$list = []; |
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283
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$list_reponse = []; |
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284
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$result_xml = ''; |
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285
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$i = 0; |
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286
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$count_fields = count($extra_fields); |
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287
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if ($count_fields > 0) { |
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288
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foreach ($extra_fields as $extra) { |
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289
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$list[] = $extra[1]; |
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290
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$list_reponse[] = 'xxx'; |
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291
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$spaces = ' '; |
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292
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$result_xml .= $spaces.'<'.$extra[1].'>xxx</'.$extra[1].'>'; |
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293
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if ($i != $count_fields - 1) { |
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294
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$result_xml .= '<br/>'; |
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295
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} |
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296
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$i++; |
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297
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} |
|
298
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} |
|
299
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?> |
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300
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<p><?php echo get_lang('CSVMustLookLike').' ('.get_lang('MandatoryFields').')'; ?> :</p> |
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301
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302
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<pre> |
|
303
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|
|
<b>id</b>;<b>parent_id</b>;<b>name</b>;<b>description</b> |
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304
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<b>2</b>;<b>1</b>;<b>Chamilo Expert</b>;Chamilo is an open source LMS;<br /> |
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305
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</pre> |
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306
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<?php |
|
307
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Display :: display_footer(); |
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308
|
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|
|
This check looks for function or method calls that always return null and whose return value is assigned to a variable.
The method
getObject()can return nothing but null, so it makes no sense to assign that value to a variable.The reason is most likely that a function or method is imcomplete or has been reduced for debug purposes.