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# upper

This is used to uppercase a variable. This is equivalent to the PHP `strtoupper()` function.

Example 5-22. upper
`<?php $smarty->assign('articleTitle', "If Strike isn't Settled Quickly it may Last a While."); ?>`
Where template is:
    {$articleTitle}
    {$articleTitle|upper}
Will output:
    If Strike isn't Settled Quickly it may Last a While.
    IF STRIKE ISN'T SETTLED QUICKLY IT MAY LAST A WHILE.

See also `lower` and `capitalize`.

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