Load JSON data with jQuery, PHP and MySQL
This post shows how to populate a select box based on the value of the another, by getting JSON data with jQuery from a PHP script that gets the data from a MySQL database.
PHP
Information and howto articles for PHP
PHP is a powerful open source server-sided scripting language that can be used on a wide variety of operating systems and webservers, including Apache on UNIX and IIS on Windows.
PHP contains numerous extensions which enable you to dynamically create images and flash files, parse xml, connect to remote servers using pop, imap, ftp, http and raw sockets, natively access many database servers including PostgreSql, MySQL and Microsoft SQL Server, compress and decompress files, lookup domain names and and much more.
PHP has an excellent manual and online documentation which covers every function for every extension available.
PHP shebang
I’ve posted a number of times in the past about how it is possible to run PHP scripts from the command line and here dedicate a post to showing how a PHP script can be run by adding a shebang line and running it as if it were any other command.
Catch mutiple exception types with PHP
PHP’s try..catch can be used to catch multiple exception types. If the try block could cause one of several different exceptions they can each be handled separately with their own catch section.
Extract the first paragraph text from a web page with PHP
This post looks at how to extract the first paragraph from an HTML page using PHP’s strpos and substr functions to find the location of the first <p> and </p> tags and get the content between them.
Catch uncaught exceptions with PHP
This is the third in a series of posts about exception handling in PHP and looks at how to specify a default exception handler. The default handler is called for any exceptions that occur which are not enclosed in a try..catch block.
Type hinting with PHP
PHP has supported type hinting for parameter functions from version 5.0 for objects and from version 5.1 for arrays. Type hinting means the function specifies what type the parameter must be and if it is not of the correct type an error will occur. Type hinting is not supported for other types, e.g. for strings and integers.