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<?php function getRunningTotal(array $array) { $generator = function(array $array) { $total = 0; foreach ($array as $key => $value) { $total += $value; yield $key => $total; } }; return iterator_to_array($generator($array)); } $a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]; var_dump(getRunningTotal($a));
Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 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 - 8.3.7
array(10) { [0]=> int(1) [1]=> int(3) [2]=> int(6) [3]=> int(10) [4]=> int(15) [5]=> int(21) [6]=> int(28) [7]=> int(36) [8]=> int(45) [9]=> int(55) }
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$key' (T_VARIABLE) in /in/QFtTY on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_VARIABLE in /in/QFtTY on line 7
Process exited with code 255.
Output for 5.2.3 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/QFtTY on line 3
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected T_FUNCTION in <b>/in/QFtTY</b> on line <b>3</b><br />
Process exited with code 255.
Output for 5.0.0 - 5.0.5
<br /> <b>Parse error</b>: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in <b>/in/QFtTY</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected T_ARRAY, expecting ')' in <b>/in/QFtTY</b> on line <b>2</b><br />
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
<br /> <b>Parse error</b>: parse error, unexpected T_ARRAY, expecting ')' in <b>/in/QFtTY</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error, expecting `')'' in <b>/in/QFtTY</b> on line <b>2</b><br />
Process exited with code 255.
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