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<?php //Given this: $foo = array(1, 3, 7); //write a function (on this whiteboard) to sum the values of the array. //Given this: $text = 'Pick first and two last chars'; //write a function (on this whiteboard) to get first and last two chars. $firstChar = substr($text, 0,1); echo $firstChar; $lastTwoChars = substr($text, -2); echo $lastTwoChars; ?>
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