Question

How to get the last key in a key-value array with foreach loop using PHP

Answer 1

$array = array('3.14'=>1, '9893'=>2, 'F16'=>3, 'F35'=>4, 'Millennium Falcon'=>5);

$last_key = array_key_last($array);

foreach ($array as $key => $value) {
    if ($key == $last_key) {
        echo "Last key: " . $key . "\n";
    }
    else {
        echo "Not last key: " . $key . "\n";
    }
}


/*
run:

Not last key: 3.14
Not last key: 9893
Not last key: F16
Not last key: F35
Last key: Millennium Falcon

*/

 

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