Floats module in PHP returns integers?

You can use fmod that is appropriate for this. I do not know if it will give the result you expect, but in my quick test it was ok.

Then you would:

echo fmod( 5.6, 3.0 );

This will print 2.6 . See working on ideone and in PHP Sandbox a>. And I put it in Github for future reference .

The Module operator, server only for integers, for such use, you can use the fmod of PHP:

fmod(5.6, 3); // imprime 2.6

If you use only the Module operator (%), the value obtained will be the largest integer smaller than the result.

This operator works only with integers

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Note that the% (modulo) operator works only with integers (between -214748348 and 2147483647) ...

Try using fmod()