Setting php error reporting in the document instead of php.ini

Question

I'd like to turn on error reporting in the document as opposed to the php.ini file on my hosting company's server. According to the manual these functions set the error_reporting directive at runtime so inserting any of these should work, but I'm just getting a blank page. Any suggestions?

error_reporting(E_ALL);
error_reporting(-1);
ini_set('error_reporting', E_ALL);

In the real world this doesn't make any difference, but technically you should use ~0 instead of -1 for enabling all errors - but it would only make a difference on an system that does not use two's complement. Also please note that because you are enabling errors at run time, compile time errors (like parse errors) will still not be affected by this, because the code that enables error reporting will never be executed. — DaveRandom
– DaveRandom, Commented Dec 16, 2012 at 19:08
@DaveRandom, are there any systems out there that both don't use two's complement and can compile PHP? — Charles
– Charles, Commented Dec 16, 2012 at 19:33
@Charles Not that I know of off the top of my head, but that doesn't mean they don't exist. Like I say, "In the real world this doesn't make any difference" but I saw an opportunity for pedantry and I took it. — DaveRandom
– DaveRandom, Commented Dec 16, 2012 at 19:40
That's why I try to ask when things which should work, don't :-) — Chaya Cooper
– Chaya Cooper, Commented Dec 16, 2012 at 19:46

lupatus · Accepted Answer · 2012-12-16 19:10:47Z

8

First idea is that display_errors is also turned off

error_reporting(E_ALL);
ini_set('display_errors', 1);

Second idea is that you have error in your main script and it is not able to switch those options (for example parse error) - in this case you can try to include that script into another one like below:

<?php
error_reporting(E_ALL);
ini_set('display_errors', 1);
include('index.php');

edited Dec 16, 2012 at 19:10

answered Dec 16, 2012 at 19:04

lupatus

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5 Comments

Chaya Cooper Over a year ago

Good thinking about adding display errors :-) It's still not working so it might be the 2nd issue - would you mind explaining that?

lupatus Over a year ago

explain idea with inclusion or you asked before I added that?

Chaya Cooper Over a year ago

Before :-) I'm going to try that now :-)

Chaya Cooper Over a year ago

That didn't work either :-( Just to make sure that I inserted it where you'd intended - I added it right after session_start(); require_once('config.php);

lupatus Over a year ago

I'm not sure if you understood correctly - if you have any runtime error (like parse error) in your main php script then inserting that anywhere there won't work cause script won't be executed. you have to create another php file (ex. display_errors.php) and put there only those 4 lines from my second example, then go to yourdomain.com/path/to/page/display_errors.php - you should see whats wrong in your main script. if you would like to add error_reporting to your main script I would suggest to put that on the top of the file.

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