Ed Curtis wrote:
I'm converting upper case characters in a string to lower case and am
coming up with an empty string.
As I've done a million times before with other non-numerical strings.
$thisStr = "CL22";
$strLow = strtolower($thisStr);
echo $thisStr;
Why does $strLow come up empty?
Because you're echoing out the original (uppercase) string. Try:
echo $strLow;
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