Online PHP editor | output for GCnUN

@ 2023-12-15T09:49:56Z

<?php


$lookup = [
    ['a', 'ape'],
    ['b', 'bee'],
    ['a', 'ant'],
    ['d', 'dog'],
    ['b', 'bat'],
    ['a', 'asp'],
];

function getValueAt($lookup, $rowIndex, $columnIndex) {
    return $lookup[$rowIndex][$columnIndex];
}

$columnIndex = 0;

$values = [];
for ($i = 0; $i < count($lookup); ++$i) {
    $values[getValueAt($lookup, $i, $columnIndex)][] = $i;
}
var_export($values);
echo "\n";

$onlyRecurringRows = array_filter($values, fn($row) => count($row) > 1);
var_export($onlyRecurringRows);

Output for 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 ( 'a' => array ( 0 => 0, 1 => 2, 2 => 5, ), 'b' => array ( 0 => 1, 1 => 4, ), 'd' => array ( 0 => 3, ), ) array ( 'a' => array ( 0 => 0, 1 => 2, 2 => 5, ), 'b' => array ( 0 => 1, 1 => 4, ), )
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.

preferences:dark modelive previewkey bindings