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Re: Function Problem [message #182556 is a reply to message #182545]

Wed, 14 August 2013 05:10

J.O. Aho
Messages: 194
Registered: September 2010

Karma:

Senior Member

On 13/08/13 20:29, Twayne wrote:
> Hi All,
> Seems like I'm getting to be a regular fixture here but ... I'm baaack!
>
> Using win 7, XAMPP, PHP 5.3 & NoteTab, a semi-ide as my text editor:
>
> I've created a Function that works on other pages but after working for
> some time, no longer functions. I don't think the Function is the
> obvious problem; see below it for more details. The function is:
>
> 109 // FUNCTIONS USED: ------------------------------
> 110
> 111 function check_input($data)
> 112 {
> 113 $data = trim($data);
> 114 $data = stripslashes($data);
> 115 $data = htmlspecialchars($data);
> 116 return $data;
> 117 }
> 118 ?>
> ============== end function =========

As others already has pointed out, it's not the functions fault.

> That code resides at the end of the php page in question so there is
> normally nothing after it but a session_destroy() and a die(); Message
> has been e-mailed. The error message is:
>
> ----------- error message ----------------
> Parse error: syntax error, unexpected $end in C:\xampp\htdocs\twa2.php
> on line 114
> ----------- end error message -----------

Without seeing the whole code it's difficult to tell what's wrong, there
is patebin.com which could be a good place to post the code and just
post the link here.

Some advice which can help you in the future:

1. use the phplint feature, it will in this case give you the same
error, but you don't have to use the browser.

php -l script_name.php

2. Use a version control system like git, this will give you the good
opportunity to see what changed in the code and it's easier to see what
is wrong. See http://githowto.com

From own experience, I have worked at companies where they do not have
version control at all, which makes it impossible to revert to a working
version. I have worked at companies where they have a system where you
rename files with a number in the end, which makes it difficult to know
which combination of those changed files will be the correct one for the
previous working version of the project. IMHO it's just stupid to not
use tools which makes things a lot easier to keep track of and gives you
a lot of other features which are useful while developing a site.

3. Separate HTML and PHP code as much as possible, have your functions
in include scripts, you have then include in the top of the "HTML" page,
this makes it easier to get the right highlight for the PHP and HTML (in
mixed PHP/HTML files the highlighting may not be correct) and having
include scripts, then you don't duplicate functions.

4. Check for input that has been written in wrong charset, for example
some ISO-8859 characters in an UTF-8 encoded page can make PHP to get
acting strangely and you can't see them.

> Realizing PHP's often misleading line numbers, I went through each and
> every use of the function call on the entire page.

Line number tends to be after the error.

Not the only language having it like that.

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[Message index]

		Function Problem By: bill on Tue, 13 August 2013 18:29
		Re: Function Problem By: Paul Herber on Tue, 13 August 2013 20:57
		Re: Function Problem By: Jerry Stuckle on Tue, 13 August 2013 21:26
		Re: Function Problem By: bill on Tue, 13 August 2013 23:29
		Re: Function Problem By: The Natural Philosoph on Wed, 14 August 2013 09:24
		Re: Function Problem By: Norman Peelman on Tue, 13 August 2013 23:25
		Re: Function Problem By: bill on Tue, 13 August 2013 23:39
		Re: Function Problem By: David Robley on Tue, 13 August 2013 23:34
		Re: Function Problem By: bill on Wed, 14 August 2013 00:45
		PS Re: Function Problem By: bill on Wed, 14 August 2013 00:51
		Re: Function Problem By: Richard Yates on Tue, 13 August 2013 23:48
		Re: Function Problem By: bill on Wed, 14 August 2013 01:00
		Re: Function Problem By: J.O. Aho on Wed, 14 August 2013 05:10
		Re: Function Problem By: bill on Thu, 15 August 2013 22:17
		Re: Function Problem RESOLVED By: bill on Thu, 15 August 2013 21:28
		Re: Function Problem RESOLVED By: Tim Streater on Thu, 15 August 2013 22:15
		Re: Function Problem RESOLVED By: bill on Thu, 15 August 2013 22:59
		Re: Function Problem RESOLVED By: Tim Streater on Fri, 16 August 2013 07:50
		Re: Function Problem RESOLVED By: bill on Sat, 17 August 2013 17:41
		Re: Function Problem RESOLVED By: Norman Peelman on Fri, 16 August 2013 10:43
		Re: Function Problem RESOLVED By: bill on Sat, 17 August 2013 17:44

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