3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [ [ '5' => [ 'BG' => 50, 'CH' => 60, 'LG' => 50, 'MT' => 40, 'MO' => 80, 'PH' => 60, 'GE' => null, ], ], [ '6' => [ 'BG' => 90, 'CH' => 60, 'LG' => 60, 'MT' => 50, 'MO' => null, 'PH' => 50, 'GE' => null, ], ], [ '7' => [ 'BG' => 80, 'CH' => 55, 'LG' => 65, 'MT' => 50, 'MO' => null, 'PH' => 50, 'GE' => 55, ], ], ]; $keys = array_flip(['BG', 'MT', 'GE']); // best of two keys $Ckeys = array_flip(['CH', 'PH', 'MO', 'LG']); // compulsory keys foreach ($arr as $key => $value) { // use to pass parameters to reduce function during call $temp[key($value)] = array_reduce($value, function (&$result, $a) use ($keys, $Ckeys) { // if mo empty then best of two else best of one $bestHowMany = (!empty($a['MO']) ? 1 : 2); // fetching best of keys from $keys $t = array_intersect_key($a, $keys); // reverse sort and maintains keys arsort($t); // fetch top $bestHowMany Values $largest2 = array_slice($t, 0, $bestHowMany); // fetch compulsory values from CKeys $t1 = array_intersect_key($a, $Ckeys); // sum by merging compulsory and best of $bestHowMany values return array_sum(array_merge($t1, $largest2)); }); } print_r($temp);
Output for 8.4.1 - 8.4.14, 8.5.0
Warning: {closure:/in/J8Opk:40}(): Argument #1 ($result) must be passed by reference, value given in /in/J8Opk on line 40 Warning: {closure:/in/J8Opk:40}(): Argument #1 ($result) must be passed by reference, value given in /in/J8Opk on line 40 Warning: {closure:/in/J8Opk:40}(): Argument #1 ($result) must be passed by reference, value given in /in/J8Opk on line 40 Array ( [5] => 300 [6] => 310 [7] => 305 )
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.28
Warning: {closure}(): Argument #1 ($result) must be passed by reference, value given in /in/J8Opk on line 40 Warning: {closure}(): Argument #1 ($result) must be passed by reference, value given in /in/J8Opk on line 40 Warning: {closure}(): Argument #1 ($result) must be passed by reference, value given in /in/J8Opk on line 40 Array ( [5] => 300 [6] => 310 [7] => 305 )
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33
Warning: {closure}(): Argument #1 ($result) must be passed by reference, value given in /in/J8Opk on line 53 Warning: {closure}(): Argument #1 ($result) must be passed by reference, value given in /in/J8Opk on line 53 Warning: {closure}(): Argument #1 ($result) must be passed by reference, value given in /in/J8Opk on line 53 Array ( [5] => 300 [6] => 310 [7] => 305 )
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Array ( [5] => 300 [6] => 310 [7] => 305 )
preferences:
181.87 ms | 413 KiB | 5 Q