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<?php $arraySession = [ 'sampleA' => ['1', '2', '3'], 'sampleB' => ['1', '2', '3'], ]; $arrayPost = [ 'sampleA' => ['1'], 'sampleB' => ['1','2'], ]; var_export( array_reduce( array_keys($arraySession), fn($result, $k) => $result + [$k => array_diff($arraySession[$k], $arrayPost[$k] ?? [])], [] ) );
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.4.16, 8.5.0 - 8.5.1
array ( 'sampleA' => array ( 1 => '2', 2 => '3', ), 'sampleB' => array ( 2 => '3', ), )
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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