Online PHP editor | output for vVVGN

@ 2022-08-15T03:36:07Z

<?php

$array = [
    ['FA',12.9],
    ['FA',12.9],
    ['FB',12.2],
    ['FC',12.3],
    ['FA',12.9],
    ['FB',12.9],
    ['FA',12.4],
];

$grouped = [];
foreach ($array as $row) {
    $compositeKey = implode($row);
    if (!isset($grouped[$compositeKey])) {
        $grouped[$compositeKey] = array_merge($row, [1]);
    } else {
        ++$grouped[$compositeKey][2];
    }
}

foreach ($grouped as $row) {
    vprintf("%s %0.1fx%d\n", $row);
}

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: FA 12.9x3 FB 12.2x1 FC 12.3x1 FB 12.9x1 FA 12.4x1
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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