3v4l.org

run code in 300+ PHP versions simultaneously
<?php $inventory = array( array("fruit"=>"orange", "price"=>3), array("fruit"=>"kiwi", "price"=>2), array("fruit"=>"apple", "price"=>3), array("fruit"=>"apple", "price"=>3), array("fruit"=>"apple", "price"=>3), array("fruit"=>"orange", "price"=>3), array("fruit"=>"banana", "price"=>10), array("fruit"=>"banana", "price"=>10), ); function groupFruits(&$result, $item) { $key = $item['fruit']; @$result[$key] += $item['price']; return $result; } $grouped = array_reduce($inventory, 'groupFruits', array()); arsort($grouped); print_r($grouped);
Output for 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
Warning: groupFruits(): Argument #1 ($result) must be passed by reference, value given in /in/Bus6m on line 24 Warning: groupFruits(): Argument #1 ($result) must be passed by reference, value given in /in/Bus6m on line 24 Warning: groupFruits(): Argument #1 ($result) must be passed by reference, value given in /in/Bus6m on line 24 Warning: groupFruits(): Argument #1 ($result) must be passed by reference, value given in /in/Bus6m on line 24 Warning: groupFruits(): Argument #1 ($result) must be passed by reference, value given in /in/Bus6m on line 24 Warning: groupFruits(): Argument #1 ($result) must be passed by reference, value given in /in/Bus6m on line 24 Warning: groupFruits(): Argument #1 ($result) must be passed by reference, value given in /in/Bus6m on line 24 Warning: groupFruits(): Argument #1 ($result) must be passed by reference, value given in /in/Bus6m on line 24 Array ( [banana] => 20 [apple] => 9 [orange] => 6 [kiwi] => 2 )
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 4.3.0 - 4.3.2, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Array ( [banana] => 20 [apple] => 9 [orange] => 6 [kiwi] => 2 )
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.3 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: arsort() expects parameter 1 to be array, integer given in /in/Bus6m on line 26 0
Output for 4.3.3 - 4.3.9, 5.0.0 - 5.0.2
Array ( [banana] => 20 [apple] => 9 [orange] => 6 [kiwi] => 54 )
preferences:
171.42 ms | 412 KiB | 5 Q