1: <?php
 2: 
 3: class CsvUtil {
 4: 
 5:     private static $defaultOptions = array(
 6:         'delimiter' => ',',
 7:         'enclosure' => '"',
 8:         'encoding' => false,
 9:     );
10: 
11:     public static function fileToArray($filePath, $options = array()) {
12:         return self::contentToArray(file_get_contents($filePath), $options);
13:     }
14: 
15:     public static function fileToArrayWithColumns($filePath,
16:             $convertFunction = null) {
17:         $lines = self::fileToArray($filePath);
18:         $columns = array_shift($lines);
19:         if (!$columns) {
20:             throw new Exception("File \"$filePath\" has no columns line");
21:         }
22:         $ret = array();
23:         foreach ($lines as $row) {
24:             $ret[] = self::_rawRowToAssociativeRow($row, $columns, $convertFunction);
25:         }
26:         return $ret;
27:     }
28: 
29:     public static function contentToArray($content, $options = array()) {
30:         assert(is_array($options), '$options is not a array: ' . var_export($options, true));
31:         $options += self::$defaultOptions;
32:         if ($options['encoding']) {
33:             $content = mb_convert_encoding($content, mb_internal_encoding(), $options['encoding']);
34:         }
35:         $lines = array();
36:         foreach (preg_split ('/\R/', $content) as $k => $sourceLine) {
37:             if (trim($sourceLine) == '') {
38:                 continue;
39:             }
40:             $lines[] = str_getcsv($sourceLine, $options['delimiter'], $options['enclosure']);
41:         }
42:         return $lines;
43:     }
44: 
45:     public static function arrayToFile($filePath, $lines) {
46:         if (($handle = fopen($filePath, "w")) !== FALSE) {
47:             foreach ($lines as $line) {
48:                 fputcsv($handle, $line);
49:             }
50:             fclose($handle);
51:         } else {
52:             throw new Exception("Failed to open file \"$filePath\"");
53:         }
54:     }
55: 
56:     private static function _rawRowToAssociativeRow($row, $columns,
57:             $convertFunction) {
58:         $ret = array();
59:         foreach ($columns as $columnIndex => $columnName) {
60:             $ret[$columnName] = self::_rowValue($row[$columnIndex], $columnName, $convertFunction);
61:         }
62:         return $ret;
63:     }
64: 
65:     private static function _rowValue($value, $column, $convertFunction) {
66:         return $convertFunction ?
67:                 call_user_func($convertFunction, $column, $value) :
68:                 $value;
69:     }
70: 
71: }
72: