Online PHP editor | output for 2CZ2N

@ 2017-11-07T07:14:08Z

<?php
function testAsc($array) {
    $memory=null;
    foreach($array as $member) {
        if ($memory)if($member<=$memory)return false;
        $memory=$member;
    }
    return true;
}

function solution($array) {
    for($i=0;$i<count($array);$i++) {
        $currentArray=array_filter($array, function($index) use($i) {
            return $i != $index;
        }, ARRAY_FILTER_USE_KEY);
        if(testAsc($currentArray)) return implode($currentArray) . "\n";
    }
    return 'nie da sie' . "\n";
}

echo solution([1, 2, 3, 4]);//234
echo solution([1, 7, 7, 4]);//nie da sie
echo solution([1, 7, 2, 4]);//124

Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0 - 8.5.1: 234 nie da sie 124
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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