Programming

Regular Expression Functions ereg_replace() and eregi_replace() The ereg_replace() and eregi_replace() functions replace instances of a pattern within a string …

Databases Why not store parameters in a database? If your application is already using a database, you might consider defining a special table for this purpose. …

Program Execution Functions You can use PHP’s built in program execution functions to use programs residing on your system, such as encryption programs, …

Alternatives to the command line Giving parameters on the command line is not always the best way to enter properties for your program. A typical situation …

Introduction Every programmer will encounter a situation where a choice must be made between various alternative solutions. Should tabular data be sorted in one …

Lists You will recall that in the SELECT widget in HTML programming, you could select how many choices were visible at any one time using the SIZE attribute. …

Misc. Functions The die() and exit functions provide useful control over the execution of your script, offereing an ‘escape route’ for programming errors. die() …

Static Text with Label The Label class gives you the ability to draw a single line of text in your application. There is not much to it, consider the following …

Here are yet more Built-in Functions, Mail Function If your server has access to sendmail or an SNMP gateway the mail() function sends mail to a specified …

Using the AWT To Build User Interfaces Now we will make a big jump: we need to go from a simple application to a more serious one that will be representative of …

Building a Jar File After you have created your ZIP and CAB archives, you can then create a JAR (Java ARchive) file that will contain your compressed and …

Today in Buit-in Funtions we will look at some HTTP functions. header() The header() function outputs an HTTP header string, such as a location redirection. …