Question

How to use floor() function to round fractions down in PHP

Answer 1

echo "floor(-3.14) = " . floor(-3.14) . "<br />";
echo "floor(3.14) = " . floor(3.14) . "<br />";
echo "floor(1.3) = " . floor(1.3) . "<br />";
echo "floor(2.7) = " . floor(2.7) . "<br />";
echo "floor(-4.2) = " . floor(-4.2) . "<br />";
echo "floor(-2.8) = " . floor(-2.8) . "<br />";
echo "floor(-0.0) = " . floor(-0.0) . "<br />";
echo "floor(4.3) = " . floor(4.3) . "<br />";   
echo "floor(9.999) = " . floor(9.999) . "<br />"; 


/*
run: 

floor(-3.14) = -4
floor(3.14) = 3
floor(1.3) = 1
floor(2.7) = 2
floor(-4.2) = -5
floor(-2.8) = -3
floor(-0.0) = 0
floor(4.3) = 4
floor(9.999) = 9

*/

 

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