12 lines
251 B
PHP
12 lines
251 B
PHP
<?php
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class Util
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{
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public static function diff($a, $b)
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{
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$a = intval(preg_replace("/[^0-9]/", "", $a));
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$b = intval(preg_replace("/[^0-9]/", "", $b));
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return abs($a - $b);
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}
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}
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?>
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