8 lines
185 B
PHP
8 lines
185 B
PHP
<?php
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function accumulator($sum){
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return function ($x) use (&$sum) { return $sum += $x; };
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}
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$acc = accumulator(5);
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echo $acc(5), "\n"; //prints 10
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echo $acc(10), "\n"; //prints 20
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?>
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