Skip to Content
PHP Functions Essential Reference
book

PHP Functions Essential Reference

by Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch
September 2001
Intermediate to advanced
768 pages
32h 45m
English
Sams
Content preview from PHP Functions Essential Reference

ceil

int ceil(float number) 

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

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

See also:

floor() 
round() 

Example:

Round up a floating-point number
$number = 12.023; 
echo "The next highest integer of $number is ", ceil($number); 
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.
Julian F.
Head of Cybersecurity
QuotationMarkI wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.
Addison B.
Field Engineer
QuotationMarkI’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.
Amir M.
Data Platform Tech Lead
QuotationMarkI'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Mark W.
Embedded Software Engineer

You might also like

Intermediate PHP

Intermediate PHP

Lorna Jane Mitchell
Better PHP Development

Better PHP Development

Younes Rafie, Reza Lavaryan, Christopher Pitt, Bruno Skvorc, Thomas Punt
PHP 7: Real World Application Development

PHP 7: Real World Application Development

Doug Bierer, Altaf Hussain, Branko Ajzele
PHP Cookbook

PHP Cookbook

David Sklar, Adam Trachtenberg

Publisher Resources

ISBN: 073570970XPurchase book