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run code in 200+ php & hhvm versions
Bugs & Features
<?php function per2num($per){return (float)$per/100;} foreach(array("2%","25%","2.01%","25.00%") as $test) echo $test,":\t",per2num($test),"\r\n";
based on r3AcF
Output for 4.3.0 - 5.6.30, hhvm-3.10.1 - 3.17.3, 7.0.0 - 7.1.7
2%: 0.02 25%: 0.25 2.01%: 0.0201 25.00%: 0.25