3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ ["foo" => "bar1", "hey" => "now"], ["foo" => "bar2", "hey" => "what"], [0 => "zero", 1 => "one"] ]; var_export(array_column($array, 'foo')); // get the column by name echo "\n---\n"; var_export(array_column($array, 0)); // don't need to be a string echo "\n---\n"; var_export(array_column($array, key(current($array)))); // access the first subarray, access its key echo "\n---\n"; var_export(array_column($array, array_shift(array_keys($array))));
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 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
array ( 0 => 'bar1', 1 => 'bar2', ) --- array ( 0 => 'zero', ) --- array ( 0 => 'bar1', 1 => 'bar2', ) --- Notice: Only variables should be passed by reference in /in/hH79U on line 14 array ( 0 => 'zero', )
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.
Output for 7.3.32 - 7.3.33
array ( 0 => 'bar1', 1 => 'bar2', ) --- array ( 0 => 'zero', ) --- array ( 0 => 'bar1', 1 => 'bar2', ) --- array ( 0 => 'zero', )
Output for 5.6.38
array ( 0 => 'bar1', 1 => 'bar2', ) --- array ( 0 => 'zero', ) --- array ( 0 => 'bar1', 1 => 'bar2', ) --- Strict Standards: Only variables should be passed by reference in /in/hH79U on line 14 array ( 0 => 'zero', )
preferences:
160.97 ms | 410 KiB | 5 Q