Online PHP editor | output for SsuHr

@ 2024-11-08T20:13:51Z

<?php

$array = [
    [
        'color' => 'red',
        'size' => 'large',
        'shape' => 'circle',
        'startdate' => '2011-08-17',
    ],
    [
        'color' => 'red',
        'size' => 'large',
        'shape' => 'circle',
        'startdate' => '2011-08-18',
    ],
    [
        'color' => 'red',
        'size' => 'large',
        'shape' => 'square',
        'startdate' => '2011-08-20',
    ],
    [
        'color' => 'red',
        'size' => 'large',
        'shape' => 'circle',
        'startdate' => '2011-08-22',
    ],
    [
        'color' => 'red',
        'size' => 'large',
        'shape' => 'circle',
        'startdate' => '2011-08-20',
    ],
    [
        'color' => 'red',
        'size' => 'large',
        'shape' => 'circle',
        'startdate' => '2011-08-23',
    ],
    [
        'color' => 'red',
        'size' => 'large',
        'shape' => 'circle',
        'startdate' => '2011-08-19',
    ],
];

usort($array, fn($a, $b) => $a['startdate'] <=> $b['startdate']);
$result = [];
foreach ($array as $row) {
    $compositeKey = implode(
        '_',
        [$row['color'], $row['size'], $row['shape']]
    );
    if (
        !isset($ref[$compositeKey])
        || ($row['startdate'] != date('Y-m-d', strtotime(($ref[$compositeKey]['enddate'] ?? $ref[$compositeKey]['startdate']) . ' + 1 day')))
    ) {
        if (isset($ref[$compositeKey])) {
           unset($ref[$compositeKey]);
        }
        $ref[$compositeKey] = $row;
        $result[] =& $ref[$compositeKey];
    } else {
        $ref[$compositeKey]['enddate'] = $row['startdate'];
    }
}
var_export($result);

Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14, 8.5.0: array ( 0 => array ( 'color' => 'red', 'size' => 'large', 'shape' => 'circle', 'startdate' => '2011-08-17', 'enddate' => '2011-08-20', ), 1 => array ( 'color' => 'red', 'size' => 'large', 'shape' => 'square', 'startdate' => '2011-08-20', ), 2 => array ( 'color' => 'red', 'size' => 'large', 'shape' => 'circle', 'startdate' => '2011-08-22', 'enddate' => '2011-08-23', ), )
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.
Output for 8.3.28: /bin/php-8.3.28: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.3.28)
Process exited with code 1.

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