   #PHP Manual Mathematical Functions expm1 fmod

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                                     floor

   (PHP 3, PHP 4 )
   floor -- Round fractions down

Description

   float floor ( float value)

   Returns the next lowest integer value by rounding down value if
   necessary. The return value of floor() is still of type float because
   the value range of float is usually bigger than that of integer.

   Example 1. floor() example
   <?php
   echo floor(4.3);   // 4
   echo floor(9.999); // 9
   ?>

   See also ceil() and round().
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