Online PHP editor | output for K7jtH

@ 2022-02-19T12:32:18Z

<?php

$array = [
    'a' => [
        'name' => "Name 1",
        'age' => "99",
        'add' => ""
    ],
    'b' => [
        'name' => "Name 2",
        'age' => "99",
        'add' => "Add2"
    ],
    'c' => [
        'name' => "Name 3",
        'age' => "99",
        'add' => "Add3"
    ],
    'd' => [
        'name' => "",
        'age' => "",
        'add' => "Add4"
    ]
];

var_export(
    array_filter(
        array_map(
            fn($row) => array_keys(
                array_filter(
                    $row,
                    fn($v) => !strlen($v)
                )
            ),
            $array
        )
    )
);

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 ( 'a' => array ( 0 => 'add', ), 'd' => array ( 0 => 'name', 1 => 'age', ), )
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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