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PHP code: Copy Format Clear

<?php function valueInArray($numbers, $number){ return in_array($number, $numbers); } $numbers = array(4, 9, 25, 30); if(valueInArray($numbers, 4)) { echo "Number 4 is in array.\n"; } else { echo "Number 4 is not in array.\n"; } if(valueInArray($numbers, 10)) { echo "Number 10 is in array.\n"; } else { echo "Number 10 is not in array.\n"; } function sumFromArray($numbers){ $result = is_array($numbers) ? array_sum($numbers) : "Error: Input must be an array!"; return $result; } $numbers = array(4, 9, 25, 30); echo "The sum of numbers in the array is " . sumFromArray($numbers) . "\n"; // sum should be 68 $numbers2 = array(2, 16, 19, 42); echo "The sum of numbers in the array is " . sumFromArray($numbers2) . "\n"; // sum should be 79 $numbers3 = array('a', 'nnn', 'hi there', 'smth not a number'); echo "The sum of numbers in the array is " . sumFromArray($numbers3) . "\n"; // sum should be 79 $numbers4 = 42; echo "The sum of numbers in the array is " . sumFromArray($numbers4) . "\n"; // sum should be 79 ?>

PHP version:

Show: Warnings Notice

Result: Copy Clear

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