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ceil

Name

ceil — Returns an integer that is the next larger than the float given as the argument.

Synopsis

int ceil(number); float number: Number to be rounded up

Returns

Integer on success; FALSE on error

Description

Returns an integer that is the next larger than the float used as the argument. In essence, it rounds up a floating-point number to an integer, no matter what the value of the floating-point integer is. It doesn't round down.

Version

PHP 3, PHP 4

Example

Example 667. Round up a floating-point number

$number = 12.023;
echo "The next highest integer of $number is ", ceil($number);

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PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing (Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at http://www.opencontent.org/openpub/). The authors of this book have elected not to choose any options under the OPL. This online book was obtained from http://www.fooassociates.com/phpfer/ and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.