function smarty_modifier_truncate in Quiz 6.5

Same name and namespace in other branches

1. 6.6 includes/moodle/lib/smarty/plugins/modifier.truncate.php \smarty_modifier_truncate()

Smarty truncate modifier plugin

Type: modifier<br> Name: truncate<br> Purpose: Truncate a string to a certain length if necessary, optionally splitting in the middle of a word, and appending the $etc string. @link http://smarty.php.net/manual/en/language.modifier.truncate.php truncate (Smarty online manual)

Parameters

string:

integer:

boolean:

Return value

string

File

includes/moodle/lib/smarty/plugins/modifier.truncate.php, line 25

Code

function smarty_modifier_truncate($string, $length = 80, $etc = '...', $break_words = false) {
  if ($length == 0) {
    return '';
  }
  if (strlen($string) > $length) {
    $length -= strlen($etc);
    if (!$break_words) {
      $string = preg_replace('/\\s+?(\\S+)?$/', '', substr($string, 0, $length + 1));
    }
    return substr($string, 0, $length) . $etc;
  }
  else {
    return $string;
  }
}