Question

How to find the min and max of an int array in PHP

Answer 1

$array = [3, 14, 4, 1, 5, 90, 2, 6, 89, 3, 7];

$minValue = array_reduce($array, function($carry, $item) {
    return $item < $carry ? $item : $carry;
}, $array[0]);

$maxValue = array_reduce($array, function($carry, $item) {
    return $item > $carry ? $item : $carry;
}, $array[0]);

echo "Minimum value: " . $minValue . "\n";
echo "Maximum value: " . $maxValue . "\n";



/*
run:

Minimum value: 1
Maximum value: 90

*/

 

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Answer 2

$array = [3, 14, 4, 1, 5, 90, 2, 6, 89, 3, 7];

$minValue = $array[0];
$maxValue = $array[0];

foreach ($array as $value) {
    if ($value < $minValue) {
        $minValue = $value;
    }
    if ($value > $maxValue) {
        $maxValue = $value;
    }
}

echo "Minimum value: " . $minValue . "\n";
echo "Maximum value: " . $maxValue . "\n";



/*
run:

Minimum value: 1
Maximum value: 90

*/

 

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