/**
* compile TALES expression according to current talesMode
* @return string with PHP code or array with expressions for TalesChainExecutor
*/
public function evaluateExpression($expression)
{
if ($this->_talesMode === 'php') {
return PHPTAL_Php_TalesInternal::php($expression);
}
return PHPTAL_Php_TalesInternal::compileToPHPStatements($expression, false);
}
/**
* returns PHP code that will evaluate given TALES expression.
* e.g. "string:foo${bar}" may be transformed to "'foo'.phptal_escape($ctx->bar)"
*
* Expressions with alternatives ("foo | bar") will cause it to return array
* Use phptal_tale() if you always want string.
*
* @param bool $nothrow if true, invalid expression will return NULL (at run time) rather than throwing exception
* @return string or array
*/
function phptal_tales($expression, $nothrow = false)
{
return PHPTAL_Php_TalesInternal::compileToPHPStatements($expression, $nothrow);
}
