Determine PHP script Invocation: CLI or by the Web Server
In most cases you can distinguish if a PHP script was invoked from the command line (or Cron) or by the web server, using php_sapi_name(). php_sapi_name() will return cli on…
Replace accented characters with non accented with PHP
Sometimes you need to replace accented characters with non accented, for example when you want to perform an accent insensitive search. A solution could be the following function: <?php /**…
Check if a string represents a valid Date or Time with PHP
PHP DateTime class, available with PHP versions greater than 5.2 is very powerful. As an example, it ts very easy to check if a string represents a valid date or…
Reference to a DOM element using jQuery
How can you create a reference to a DOM element using jquery? In other words, what is the jquery equivalent of document.frm.element_name or document.getElementById("element_id") Someone could say: $("#element_id") Wrong, as…
Display Line Numbers in nano
nano is a popular text editor for Linux/UNIX. In order to display line numbers, edit global configuration file (or user file /home/user/.nanorc) nano /etc/nanorc Go to line 49 (approximately) and…