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run code in 200+ php & hhvm versions
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<?php $rate1 = 0.02; $var = sprintf("%f0.2",1260); echo $var,"\n"; echo number_format($rate1 * $var, 2);
Output for 7.1.0 - 7.2.6
1260.0000000.2 Notice: A non well formed numeric value encountered in /in/JKPmt on line 7 25.20
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.0.20
1260.0000000.2 25.20