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   1  <?php
   2  /**
   3   * @file
   4   * Contains the numeric argument validator plugin.
   5   */
   6  
   7  /**
   8   * Validate whether an argument is numeric or not.
   9   *
  10   * @ingroup views_argument_validate_plugins
  11   */
  12  class views_plugin_argument_validate_numeric extends views_plugin_argument_validate {
  13    var $option_name = 'validate_argument_numeric';
  14  
  15    /**
  16     * Only let users with PHP block visibility permissions set/modify this
  17     * validate plugin.
  18     */
  19    function access() {
  20      return !empty($this->argument->definition['numeric']);
  21    }
  22  
  23    function validate_argument($argument) {
  24      return is_numeric($argument);
  25    }
  26  }
  27