3v4l.org

run code in 300+ PHP versions simultaneously

@ 2019-01-20T06:52:38Z

<?php
// Example input #1
$ex_input_1 = array(
    'files' => array(
        0 => array(
            'name' => 'file.jpg',
            'size' => '244235',
            'tmp_name' => '/usr/tmp/24ffds.tmp',
            'error' => 0
        ),

        1 => array(
            'name' => '',
            'size' => '',
            'tmp_name' => '',
            'error' => 4
        )
    ),

    'cover' => array(
        'name' => '',
        'size' => '',
        'tmp_name' => '',
        'error' => 4
    ),

    'document' => array(
        'name' => 'file.doc',
        'size' => '244235',
        'tmp_name' => '/usr/tmp/24ffds.tmp',
        'error' => 0
    )
);

// Example input #2
$ex_input_2 = array(
    0 => array(
        'name' => 'file.jpg',
        'size' => '244235',
        'tmp_name' => '/usr/tmp/24ffds.tmp',
        'error' => 0
    ),

    1 => array(
        'name' => '',
        'size' => '',
        'tmp_name' => '',
        'error' => 4
    )
);

function array_filter_recursive($array) {
    if (isset($array['error'])) {
        // bottom of tree
        return $array['error'] == 4 ? array() : $array;
    }
    foreach ($array as $key => $value) {
        $array[$key] = array_filter_recursive($value);
    }
    // remove any empty values
    return array_filter($array);
}

print_r(array_filter_recursive($ex_input_1));
print_r(array_filter_recursive($ex_input_2));

Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 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 - 8.5.1: Array ( [files] => Array ( [0] => Array ( [name] => file.jpg [size] => 244235 [tmp_name] => /usr/tmp/24ffds.tmp [error] => 0 ) ) [document] => Array ( [name] => file.doc [size] => 244235 [tmp_name] => /usr/tmp/24ffds.tmp [error] => 0 ) ) Array ( [0] => Array ( [name] => file.jpg [size] => 244235 [tmp_name] => /usr/tmp/24ffds.tmp [error] => 0 ) )
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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