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<?php
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/**
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 * Global functions
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 *
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 * @package   tests
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 * @author    Mark van Renswoude
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 * @since     26-03-2002 15:56
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 * @version   1.0
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*/
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/**
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 * Set a variable, used by the template engine but available to all scripts
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 *
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 * globalSetVar sets an internal variable. This variable may later be retrieved using globalGetVar,
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 * and is automagically available to templates using the getvar-tag.
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 *
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 * @param string $name    the name of the variable to set
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 * @param string $value   new value
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 * @return string         an empty string to simplify the replacement of setvar-tags in the templates
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 * @see                   globalGetVar()
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*/
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function globalSetVar($name, $value)
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{
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  global $variables;
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  $variables[$name] = $value;
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  return '';
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}
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/**
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 * Get a variable's value
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 *
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 * globalGetVar returns the value of an internal variable. This variable must be previously
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 * assigned using either globalSetVar, or an indirect setvar-tag in a loaded template.
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 *
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 * @param string $name    the name of the variable to return
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 * @return string         the variable's value
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 * @see                   globalSetVar()
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*/
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function globalGetVar($name)
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{
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  global $variables;
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  if (isset($variables[$name]))
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  {
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    return $variables[$name];
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  }
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  else
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  {
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    return '';
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  }
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}
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?>