PHP: File functions
Opening directory and listing files See the following code: output: To remove certain file name from the list, see the following code: This code lists all files except the ones…
Removing quotes – a step by step example of manipulating array data
This article shows some techniques of manipulating data in an array. To keep it simple, let’s start by looking how we can remove quotes from a variable. To remove a…
PHP: How to access last element in an array
Since PHP array are indexed from 0, the last element at any given time has the index count of array minus one. Following is a code example: The output of…
PHP: How to read command-line input
In PHP, all commandline parameter are passed to the $argv array. Following example shows how to use this array: $argv and $argv contain the passed parameters in the order they…
PHP fatal error – call to undefined function mb_string
This error tells us that the mb_string library is not installed. mb_String is a library, which provides support for UTF-8 and UCS-2 characters. PHP uses ASCII by default which is…
Installing Moodle on Linux
First of all make sure that you have Apache, MySQL (or PostgreSQL), and PHP installed and configured on your system. On Ubuntu, you would type the following to install these…
Installing phpPgAdmin on Ubuntu
phpPgAdmin is a web-based administration tool for PostgreSQL written in PHP. It is a very nifty tool with a very convenient GUI interface. If you have used phpMyAdmin for MySQL,…
Where are PHP error logs
PHP errors are by default set to go to the apache error log. On Ubuntu, the error log is located at /var/log/apache2/error.log. If you are a PHP developer, it is…
PHP Warning: strtotime(): It is not safe to rely on the system’s timezone settings
If a default timezone is not set in your php.ini, then you get the following warning: “Warning: strtotime(): It is not safe to rely on the system’s timezone settings. Please…
How can I change the filesize limit for imported files in PhpMyAdmin
The filesize limit is not defined in PhpMyAdmin. The limit is taken from php.ini file. To change this limit, you needed to edit your php.ini file: Change the following two…