Category: 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’s heredoc strings

PHP has heredoc syntax similar to other programming and scripting languages which allow multi line strings containing variables to be easily assigned to variables or echoed. This post looks at how to format a heredoc block in PHP and some of the rules.

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Using PHP’s glob() function to find files in a directory

A couple of weeks ago I posted how to read through a directory with PHP using the opendir() readdir() and closedir() functions and now look at the glob() function. glob() returns the filenames into an array and supports pattern matching so it can be very easy to find e.g. jpg images in a particular directory.

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Use PHP’s fputcsv without writing to a file

PHP’s fputcsv function is very useful for creating CSV files, but by default will write out to a file. There are a couple of tricks to be able to keep it all in memory or instead write the CSV data out directly to the web browser without having to write your own custom functions.

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Fix “access denied” error when parsing HTML as PHP with Nginx

If you are attempting to get files with a .html extension parsed as PHP with Nginx + php-fpm, you might get an "access denied" error in your browser, and the error message "Access to the script ‘…’ has been denied (see security.limit_extensions)" in your Nginx error log. This post shows how to allow html files to be parsed successfully as PHP with Nginx + php-fpm.

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Using the Pandora API with PHP

Pandora is a music streaming service which can be accessed via a web browser, smartphone/tablet app or desktop app. There is a closed API which can be used to extract some information from Pandora (and edit radio stations etc). This post looks at using a PHP API by Alex Dallaway to access radio stations and bookmarks from Pandora.

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