Make a string uppercase
[...] = optional ... = your value
[var $... = ]call strtoupper $val=…
<!--parser:xtscript-->
var $input = foobar
var $output = call strtoupper $val=$input
print input = $input<br />
print output = $output
<!--/parser:xtscript-->
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Reload
input = foobar
output = FOOBAR