Online PHP editor | output for TIYrV

@ 2022-01-21T23:14:07Z

<?php

var_export([
    // string, then mask
    'a:ab' => trim('a', 'ab'), // ''  ...cast to 0
    'ab:a' => trim('ab', 'a'), // 'b'  ...cast to 0
    '0:1' => trim('0', '1'),   // '0'  ...cast to 0
    '1:0' => trim('1', '0'),   // '1'  ...cast to 1
]);

echo "\n---\n";

$params = [
    ['one' => 'a', 'two' => 'ab', 'three' => '0', 'four' => '1'], // string
    ['three' => '1', 'one' => 'ab', 'four' => '0', 'two' => 'a'], // mask
    'trim'
];

var_export([
    'udiff' => array_udiff_assoc(...$params),
    'uintersect' => array_uintersect_assoc(...$params),
]);

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:ab' => '', 'ab:a' => 'b', '0:1' => '0', '1:0' => '1', ) --- array ( 'udiff' => array ( 'four' => '1', ), 'uintersect' => array ( 'one' => 'a', 'two' => 'ab', 'three' => '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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