Absolutely Tech » php

[SOLVED] ‘Error at offset’ error in unserialize()

Deepak Mittal — Sun, 19 Dec 2010 19:32:30 +0000

I came across this weird error in unserialize() where it refused to unserialize the serialized data. After hours of trying different things to solve it, finally converting the encoding worked. The solution to the problem is to use the following function instead of unserialize(): function safe_unserialize($str){ return unserialize( trim( mb_convert_encoding( $str,'auto','UTF-8' ) ) ); } [...] Related posts:

[HOWTO] Fix Twitter clients (or PHP scripts) which use basic authentication.

Deepak Mittal — Tue, 07 Sep 2010 16:16:04 +0000

As you probably know, Twitter completely ditched basic authentication method on August 31st, 2010. It now supports only OAuth method of authentication which complicates the coding process multiple folds. Scripts which were previously 20 lines long now span several files. While there are numerous advantage of Oauth like client doesn’t need to know your password, [...] Related posts:

[HowTo] Check your php and server information using phpinfo()

Deepak Mittal — Sun, 01 Aug 2010 07:53:22 +0000

We can check the php configuration, apache’s loaded modules and all other kinds of PHP configuration using a simple function called phpinfo(). Create a file called infophp.php in your web’s root directory and put the following code in it: <? phpinfo(); ?> This would output all the php configuration info and apache information. You can [...] Related posts:

[HOWTO] Send emails(using mail function) from localhost in PHP through msmtp (using gmail account) on Linux

Deepak Mittal — Sun, 18 Jul 2010 07:08:27 +0000

There’ve been lots of times when I wanted to use the mail() function on my local server. I am sure lots of you would’ve been wanting it too but most of you would’ve settled for PHPMailer or just used a web host to test the code instead. I myself had been doing the same until [...] Related posts:

[HOWTO] Validate Email-address in PHP using Regular expressions (the correct way)

Deepak Mittal — Thu, 15 Jul 2010 06:40:09 +0000

Here’s a function which thoroughly checks email-address and returns true for a valid email address and returns false for invalid one. I thought it was worth sharing so I posted it on my blog. You will find the source link at the bottom. 1 2 3 4 5 6 7 8 9 10 11 12 [...] Related posts:

[SOLVED]‘Error establishing a database connection’ in wordpress

Deepak Mittal — Sat, 19 Jun 2010 01:44:45 +0000

One of my clients got this error in his wordpress: Error establishing a database connection It is one of those vague errors which give very little information about what caused it. On going to /wp-admin, it gave error: One or more database tables are unavailable. The database may need to be repaired. I added “define(‘WP_ALLOW_REPAIR’, [...] Related posts:

Passing variable number of arguments to a function in PHP

Deepak Mittal — Wed, 14 Apr 2010 02:57:43 +0000

We all know about functions and how we can pass arguments to it. But did you know that we can pass variable number of arguments in a function? Consider a function sum() which adds numbers passed into its arguments. Now we want it to add all the numbers passed onto the arguments. Eg; if we [...] Related posts:

[SOLVED] Flush(), ob_flush() not working in PHP (Disabling gzip through htaccess)

Deepak Mittal — Sun, 31 Jan 2010 03:39:53 +0000

Flushing the output buffer doesn’t works in PHP sometimes no matter what you do. I had this code which would never work on my server but would perfectly fine on localhost. This was the code. <?php include('common.php'); ini_set('output_buffering','on'); ini_set('zlib.output_compression', 0); //ini_set('implicit_flush',1); ob_implicit_flush(); for($i=0;$i Related posts:[HowTo] Convert HTML to PDF using PHP [Solved] Unable to enumerate [...] Related posts:

Missing alphabet check (is_alpha) in PHP

Deepak Mittal — Thu, 28 Jan 2010 10:16:39 +0000

Well, you might have seen a huge number of variable checks ranging from is_file(), is_array() to is_numeric() and is_int(). While developing a script today I wanted to check for alphabets. I directly used is_alpha() but to my surprise it wasn’t defined. I researched more into the matter and found ctype_alpha() does precisely the same thing. [...] Related posts:

Using CodeIgniter’s Email library separately

Deepak Mittal — Mon, 14 Dec 2009 04:30:09 +0000

I’ve developed my own libraries for rapid development of PHP applications. Email library is one area which I didn’t feel like developing a library for. Just then, I remembered how simple and robust CodeIgniter’s Email class was. I decided to try it on my own script. It was not at all difficult to get it [...] Related posts: