Online PHP editor | output for YAJtu

@ 2022-04-21T14:16:27Z

<?php

$numbers = [210, 11, 12];
$operators = ['-', '/'];

$result = (array)($numbers[0] ?? []);
foreach ($operators as $i => $operator) {
    array_push($result, $operator, $numbers[++$i]);
}
var_export($result);

var_export(
    array_reduce(
        $operators,
        function($result, $value) use($numbers) {
            static $i = 0;
            array_push($result, $value, $numbers[++$i]);
            return $result;
        },
        (array)($numbers[0] ?? [])
    )
);

Output for 7.4.0 - 7.4.33, 8.0.1 - 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: array ( 0 => 210, 1 => '-', 2 => 11, 3 => '/', 4 => 12, )array ( 0 => 210, 1 => '-', 2 => 11, 3 => '/', 4 => 12, )
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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