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 Function   [other Function type actions]

 Item   [operators of similar scope]

 Mathematical   [other Mathematical operators]




rounds the number value of number down to next whole integer.

See also ceil() and round().

If $MyNumber is 3.9 then:

$MyNumber = ceil($MyNumber); 

sets $MyNumber to 3. Note unlike normal rounding the value is set downwards to the next integer (i.e. whole number).