errors are not displaying in PHP script

Question

I have tried with these code:

error_reporting(E_ALL^E_NOTICE);

ini_set("display_startup_errors","on");
ini_set("track_errors","on");
ini_set("error_reporting","E_ALL^E_NOTICE");

But still errors are not appearing on my script.It just displaying only blank white screen when any error occur.Please guide me.

can you post the code? sometimes your statements might have @ in front of them which tells PHP to suppress the errors? — Anthony Forloney
– Anthony Forloney, Commented Dec 3, 2009 at 15:24
Check the source (view-source) of the blank page. What does it show? — Shoban
– Shoban, Commented Dec 3, 2009 at 15:25

Community · Accepted Answer · 2023-11-17 19:32:19Z

1

It could be that your provider has set PHP errors not to be output, but logged internally. I have experienced this before. In that case, a custom error handler may help you. Before, though, make sure you have no @s in front of any statements and log_errors is on. Also run a phpinfo() to double-check whether all reporting settings are activated.

Also, a completely blank page could be a structural parse error. Check with a simple error-inducing statement like

ecxho("hello world");

first.

edited Nov 17, 2023 at 19:32

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answered Dec 3, 2009 at 15:26

Pekka

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2 Comments

user223954 Over a year ago

i not used @ sign .Can you tell how custom error handler can be used here.

Pekka Over a year ago

Take the myErrorHandler() example in the documentation I linked to. That should work fine.

jlb · Accepted Answer · 2009-12-03 15:30:10Z

1

how about:

ini_set('display_errors', 1);

?

answered Dec 3, 2009 at 15:30

jlb

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1 Comment

Percutio Over a year ago

+1 error_reporting is one thing, displaying errors to the standard output is another.

DisgruntledGoat · Accepted Answer · 2009-12-03 15:27:37Z

0

Is this on your own server? Or shared hosting etc? It's likely that error reporting is turned off at the server level. (The reason is usually 'security' but I don't see how it's really a security issue.)

Either edit your server config (php.ini) if you have access to it, or contact your host. They may be able to provide access to error logs.

answered Dec 3, 2009 at 15:27

DisgruntledGoat

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2 Comments

Lucas Oman Over a year ago

I think the rationale is that public-facing errors can reveal details about the server's filesystem and the framework (if any) that the site uses. This can give someone a leg-up in finding exploits and vulnerabilities in the site or server. With shared hosting, a single vulnerable site can compromise every site on the server.

DisgruntledGoat Over a year ago

True - I guess I'm looking at it from a "purist" POV in the sense that if there's a security hole, it still exists whether you reveal details about the filesystem or not. Attackers could easily try exploits for all the popular frameworks/software regardless.

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