Online PHP editor | output for 5X2XQ

@ 2019-11-01T12:47:31Z

<?php

$array = [
    1 => [
        'categoryName'=>'Main One',
        'title'=>'Title one',
        'date'=>'2019-09-01',
        'score'=>2500
    ],
    2 => [
        'categoryName'=>'Main One',
        'title'=>'Title two',
        'date'=>'2019-09-02',
        'score'=>3000
    ],
    3 => [
        'categoryName'=>'Main Two',
        'title'=>'Other title',
        'date'=>'2019-09-02',
        'score'=>2100
    ],
    4 => [
        'categoryName'=>'Main Three',
        'title'=>'Other title',
        'date'=>'2019-09-05',
        'score'=>200
    ],
    5 => [
        'categoryName'=>'Main Three',
        'title'=>'Other topic',
        'date'=>'2019-09-02',
        'score'=>1000
    ]
];

$prevMain = "";
$currentMain = "";
$html = "<table border=1><tbody>";
foreach($array as $row):
    $currentMain = $row["categoryName"];
    if($currentMain !== $prevMain) {
        $prevMain = $row["categoryName"];
        $html .= '<tr>' .
            '<td colspan="2">' . $row['categoryName'] . '</td>' .
            '<td></td>' .
            '</tr>';
    }
    $html .='<tr>'.
            '<td>'.$row['date'] .'</td>'.
            '<td>'.$row['title'].'</td>'.
            '<td>'.$row['score'] . '</td>'.
           '</tr>';
endforeach;

$html .= "</tbody></table>";

echo $html;

Output for 7.1.25 - 7.1.32, 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: <table border=1><tbody><tr><td colspan="2">Main One</td><td></td></tr><tr><td>2019-09-01</td><td>Title one</td><td>2500</td></tr><tr><td>2019-09-02</td><td>Title two</td><td>3000</td></tr><tr><td colspan="2">Main Two</td><td></td></tr><tr><td>2019-09-02</td><td>Other title</td><td>2100</td></tr><tr><td colspan="2">Main Three</td><td></td></tr><tr><td>2019-09-05</td><td>Other title</td><td>200</td></tr><tr><td>2019-09-02</td><td>Other topic</td><td>1000</td></tr></tbody></table>
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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