php man page for ceil

CEIL(3) 								 1								   CEIL(3)

ceil - Round fractions up

SYNOPSIS
       float ceil (float  $value)

DESCRIPTION
	Returns the next highest integer value by rounding up $value if necessary.

PARAMETERS
	      o $value
		- The value to round

RETURN VALUES
       $value  rounded	up  to the next highest integer. The return value of ceil(3) is still of type float as the value range of float is usually
       bigger than that of integer.

EXAMPLES
       Example #1

	      ceil(3) example

	      <?php
	      echo ceil(4.3);	 // 5
	      echo ceil(9.999);  // 10
	      echo ceil(-3.14);  // -3
	      ?>

SEE ALSO
       floor(3), round(3).

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