Actualización

main/inc/lib/import.lib.php

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+<?php
+
+/* For licensing terms, see /license.txt */
+
+use Ddeboer\DataImport\Reader\ExcelReader;
+use League\Csv\Reader;
+use Symfony\Component\DomCrawler\Crawler;
+
+/**
+ * Class Import
+ * This class provides some functions which can be used when importing data from
+ * external files into Chamilo.
+ */
+class Import
+{
+    /**
+     * @param string $path
+     * @param bool   $setFirstRowAsHeader
+     *
+     * @return array
+     */
+    public static function csv_reader($path, $setFirstRowAsHeader = true)
+    {
+        return self::csvToArray($path);
+    }
+
+    /**
+     * Reads a CSV-file into an array. The first line of the CSV-file should contain the array-keys.
+     * The encoding of the input file is tried to be detected.
+     * The elements of the returned array are encoded in the system encoding.
+     * Example:
+     *   FirstName;LastName;Email
+     *   John;Doe;john.doe@mail.com
+     *   Adam;Adams;adam@mail.com
+     *  returns
+     *   $result [0]['FirstName'] = 'John';
+     *   $result [0]['LastName'] = 'Doe';
+     *   $result [0]['Email'] = 'john.doe@mail. com';
+     *   $result [1]['FirstName'] = 'Adam';
+     *   ...
+     *
+     * @param string $filename the path to the CSV-file which should be imported
+     *
+     * @return array returns an array (in the system encoding) that contains all data from the CSV-file
+     */
+    public static function csvToArray($filename)
+    {
+        if (empty($filename)) {
+            return [];
+        }
+
+        $reader = Reader::createFromPath($filename, 'r');
+        if ($reader) {
+            $reader->setDelimiter(';');
+            $reader->stripBom(true);
+            /*$contents = $reader->__toString();
+            if (!Utf8::isUtf8($contents)) {
+                // If file is not in utf8 try converting to ISO-8859-15
+                if ($reader->getStreamFilterMode() == 1) {
+                    $reader->appendStreamFilter('convert.iconv.ISO-8859-15/UTF-8');
+                }
+            }*/
+
+            $iterator = $reader->fetchAssoc(0);
+
+            return iterator_to_array($iterator);
+        }
+
+        return [];
+    }
+
+    public static function csvColumnToArray($filename, $columnIndex = 0): array
+    {
+        if (empty($filename)) {
+            return [];
+        }
+
+        $reader = Reader::createFromPath($filename, 'r');
+
+        if (!$reader) {
+            return [];
+        }
+
+        $reader->setDelimiter(';');
+        $reader->stripBom(true);
+
+        $iterator = $reader->fetchColumn($columnIndex);
+
+        return iterator_to_array($iterator);
+    }
+
+    /**
+     * @param string $filename
+     *
+     * @return array
+     */
+    public static function xlsToArray($filename)
+    {
+        if (empty($filename)) {
+            return [];
+        }
+
+        $file = new \SplFileObject($filename);
+
+        return new ExcelReader($file, 0);
+    }
+
+    /**
+     * @param string $file
+     *
+     * @return Crawler
+     */
+    public static function xml($file)
+    {
+        return self::xmlFromString(file_get_contents($file));
+    }
+
+    /**
+     * @param string $contents
+     *
+     * @return Crawler
+     */
+    public static function xmlFromString($contents)
+    {
+        @libxml_disable_entity_loader(true);
+
+        $crawler = new Crawler();
+        $crawler->addXmlContent($contents);
+
+        return $crawler;
+    }
+}