Question

How to use floor in PHP

Answer 1

$f1 = 1.1;
$f2 = 1.5;
$f3 = 1.6;
$f4 = 1.9;
  
echo floor($f1) . "\n";
echo floor($f2) . "\n";
echo floor($f3) . "\n";
echo floor($f4) . "\n";

 
 
 
/*
run:
 
1
1
1
1
 
*/

 

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Answer 2

$f1 = -1.1;
$f2 = -1.5;
$f3 = -1.6;
$f4 = -1.9;
  
echo floor($f1) . "\n";
echo floor($f2) . "\n";
echo floor($f3) . "\n";
echo floor($f4) . "\n";

 
 
 
/*
run:
 
-2
-2
-2
-2
 
*/

 

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