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<?php $csv = [ ['user' => 'user1', 'acct_num' => '1', 'value' => 32], ['user' => 'user1', 'acct_num' => '1', 'value' => 2], ['user' => 'user1', 'acct_num' => '2', 'value' => 32], ['user' => 'user1', 'acct_num' => '2', 'value' => 32], ['user' => 'user2', 'acct_num' => '1', 'value' => 312], ['user' => 'user2', 'acct_num' => '1', 'value' => 320], ]; $subtotals = []; $totals = []; $results = []; foreach($csv as $row) { list($user, $acct_num, $value) = array_values($row); $subtotal = isset($subtotals[$user][$acct_num]) ? $subtotals[$user][$acct_num] : 0; $subtotals[$user][$acct_num] = $subtotal + $value; $total = isset($totals[$user]) ? $totals[$user] : 0; $totals[$user] = $total + $value; } foreach ($subtotals as $user => $acct_nums) { foreach ($acct_nums as $acct_num => $value) { $total = $totals[$user]; $avg = $value / $total; $results[] = compact('user', 'acct_num', 'value', 'total', 'avg'); } } print_r($results);
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Array ( [0] => Array ( [user] => user1 [acct_num] => 1 [value] => 34 [total] => 98 [avg] => 0.3469387755102 ) [1] => Array ( [user] => user1 [acct_num] => 2 [value] => 64 [total] => 98 [avg] => 0.6530612244898 ) [2] => Array ( [user] => user2 [acct_num] => 1 [value] => 632 [total] => 632 [avg] => 1 ) )
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Array ( [0] => Array ( [user] => user1 [acct_num] => 1 [value] => 34 [total] => 98 [avg] => 0.3469387755102 ) [1] => Array ( [user] => user1 [acct_num] => 2 [value] => 64 [total] => 98 [avg] => 0.6530612244898 ) [2] => Array ( [user] => user2 [acct_num] => 1 [value] => 632 [total] => 632 [avg] => 1 ) )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/4lLU9 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/4lLU9 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/4lLU9 on line 3
Process exited with code 255.
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340.22 ms | 401 KiB | 466 Q