Subversion-Projekte lars-tiefland.php_share

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Revision Autor Zeilennr. Zeile
1 lars 1 
<?php
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/**
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 * Read a query parameter
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 * If this parameter is not specified, return the default value
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 * Remove magic quotes, if they're enabled
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 *
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 */
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function get_var($name, $array, $maxlength=255, $default=null) {
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  /**
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   * Check if this parameter is specified
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   */
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  if (!isset($array[$name])) { return $default; };
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  /**
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   * Read initial value of parameter
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   */
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  $data = $array[$name];
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  if (is_array($data)) {
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    /**
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     * Arrays should be processed element-by-element
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     */
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    if (get_magic_quotes_gpc()) {
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      foreach ($data as $key => $value) {
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        $data[$key] = stripslashes($data[$key]);
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      };
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    };
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  } else {
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    /**
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     * Remove slashes added by magic quotes option
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     */
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    if (get_magic_quotes_gpc()) {
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      $data = stripslashes($data);
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    };
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    /**
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     * Limit maximal length of passed data
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     */
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    $data = substr($data, 0, $maxlength);
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  };
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  return $data;
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}
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?>