19 lines
384 B
PHP
19 lines
384 B
PHP
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<?php
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function odd_occurrence($arr)
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{
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$result = 0;
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# Traverse the array
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foreach ($arr as &$value)
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{
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# Xor (exclusive or)
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# Bits that are set in $a or $b but not both are set.
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$result = $result ^ $value;
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}
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return $result;
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}
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$num1 = array(4, 5, 4, 5, 2, 2, 3, 3, 2, 4, 4);
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print_r(odd_occurrence($num1)."\n");
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?>
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