3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [ 1 => [ "name" => "Test" ] ]; $arr2 = [ 1 => [ "age" => 25 ] ]; foreach ($arr as $key => $value) { if (isset($arr2[$key])) { $arr[$key] = array_merge($value,$arr2[$key]); } } print_r($arr);
Output for 8.1.32, 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 ( [1] => Array ( [name] => Test [age] => 25 ) )
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.
preferences:
74.82 ms | 407 KiB | 5 Q