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Generally, all shared hosting doesn’t offer FFMPEG php extention, including all kinds of video encoding, getting info, flash encoding and etc. This is due to performance issue as Shared hosting are meant to be “sharing” resources, including CPU processing power.

If your hosting account really has the need to use it, I would advice you to search for VPS or dedicated hosting on google and ask/request them for the specific service.

Feel free to add any hosting that you come accross that can offer FFMPEG by posting to the comments box below.

Thank you.

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I was trying to create a php code to parse some text and to process it.

I have difficult time with the substr (sub string), strpos (which return the position of a particular segment of string). Testing and debugging it is just a time consuming work.

Luckily my friend enlighten me by introducing me regular expression way to look for values in a text. Using regular expressions you can easy find a pattern in a string and/or replace it if you want.

BUT PHP regular expressions seems to be a quite complicated area especially when I am not a experienced Unix user.Historically regular expressions were originally designed to help working with strings under Unix systems.

The regular expressions basic syntax

To use regular expressions first you need to learn the syntax of the patterns. We can group the characters inside a pattern like this:

• Normal characters which match themselves like hello
• Start and end indicators as ^ and $
• Count indicators like +,*,?
• Logical operator like |
• Grouping with {},(),[]

An example pattern to check valid emails looks like this:

Code:

^[a-zA-Z0-9._-]+@[a-zA-Z0-9-]+\.[a-zA-Z.]{2,5}$

The code to check the email using Perl compatible regular expression looks like this:

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How do I offset the Timezone for my location, instead of the server timezone?

First of all, setting the timezone at .htaccess level using “SetEnv TZ location” doesn’t work on your php script.

If you are using PHP 5.1 and ealier, add this code within your php

putenv(‘TZ=Europe/London’);   /* change the TZ value accordingly. */

If you are using PHP 5.1 up, add this code within your php script.

date_default_timezone_set(‘Europe/London’);

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