3v4l.org

run code in 300+ PHP versions simultaneously
<?php $d = [ ['foo' => 1, 'bar' => 2], ['foo' => 1, 'bar' => 3], ['foo' => 2, 'bar' => 4] ]; $result = array_values(array_merge(...array_map(fn($v) => [array_key_first($v). '|'. $v[array_key_first($v)] => $v], $d))); print_r($result);
Output for 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 ( [0] => Array ( [foo] => 1 [bar] => 3 ) [1] => Array ( [foo] => 2 [bar] => 4 ) )
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:
120.27 ms | 407 KiB | 5 Q