vlibTemplate
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6. vlibTemplate
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6.18. clearAll()
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6.20. unknowns()
6.19. unknownsExist()
Function Description
unknownsExist()
This function returns true if, after parsing, variables have been found in the template file that were not set using setVar(). This function may or may not have any effect depending on the OPTION setting of 'UNKNOWNS'.
Example
if($tmpl->unknownsExist()) { ...
