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<?php $dot = '3.96'; $comma = '3,96'; $space = '3 096'; var_dump( floatval($dot), floatval($comma), floatval($space) );
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
float(3.96) float(3) float(3)