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@ 2015-12-25T07:19:23Z

<?php

$a = 200.51;
$b = 200.50;

    print_r(abs($a-$b));
    print_r(abs(bcsub($a-$b)));

Output
Performance
VLD
References
Branches

abs: documentation ( source)
print_r: documentation ( source)

preferences:dark modelive preview

48.06 ms | 402 KiB | 5 Q