February 2013
Intermediate to advanced
538 pages
20h 55m
English
Content preview from Programming PHP, 3rd EditionBecome 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,
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Error Log
You will find many helpful descriptions in the error logfile. As mentioned above, you should be able to locate the file under the web server’s installation folder in a folder called logs. You should make it part of your debugging routine to check this file for helpful clues as to what might be amiss. Here is just a sample of the verbosity of an error logfile:
[20-Apr-2012 15:10:55] PHP Notice: Undefined variable: size in C:\Program Files (x86) [20-Apr-2012 15:10:55] PHP Notice: Undefined index: p in C:\Program Files (x86)\Zend [20-Apr-2012 15:10:55] PHP Warning: number_format() expects parameter 1 to be double [20-Apr-2012 15:10:55] PHP Warning: number_format() expects parameter 1 to be double [20-Apr-2012 15:10:55] PHP Deprecated: Function split() is deprecated in C:\Program [20-Apr-2012 15:10:55] PHP Deprecated: Function split() is deprecated in C:\Program [26-Apr-2012 13:18:38] PHP Fatal error: Maximum execution time of 30 seconds exceeded
As you can see, there are a few different types of errors being reported here, with their respective time stamps, file locations, and the line on which the error occurred. There are notices, warnings, deprecation notices, and a fatal error here for you to see.
Note
Depending on your environment, some commercial server space providers do not grant access based on security issues, so you may not have access to the logfile. Be sure to select a production provider that provides you with access to the logfile. Additionally, note that the log ...
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O’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.
I 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.
I’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.
I'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.