Q. Which one of the following functions will convert a string to all uppercase?
✅ Correct Answer: (D)
strtoupper()
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$cars = array("Datsun", "Jeep", "Lada", "Spyker");
$car = preg_grep("/^L/", $cars);
print_r($car);
?>
$name = "ruCHiSharma";
if (ereg("([^a-z])",$name))
echo "Name must be all lowercase!";
else
echo "Name is all lowercase!";
?>