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<?php
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echo round( 1.65, 1, PHP_ROUND_HALF_UP)."\n"; // 1.7
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echo round( 1.65, 1, PHP_ROUND_HALF_DOWN)."\n"; // 1.6
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echo round(-1.54, 1, PHP_ROUND_HALF_EVEN)."\n"; // -1.5
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?>
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