Category Archives: PHP

An FFMPEG Question – Why PHP’s exec() Doesn’t Return the Command Output

Posted on April 12, 2011 by Stoimen

string exec (…) Here’s the tricky part. As we know from the exec() man page this function executes the given command. As described there, the exact declaration of this method is: string exec ( string $command [, array &$output [, … Continue reading →

Posted in micro tutorial, PHP | Tagged Android, Application software, Computing, Dc, Exec, FFmpeg, PHP, Process, Standard streams, unix | 5 Comments

Use fopen() to Check File Availability?

Posted on April 7, 2011 by Stoimen

Zend Framework and Zend_Http_Client I’ve posted about Zend_Http_Client. Simply there you can ‘make’ your own http client and you can request a remote file. Just to check what’s going on with this file. // new HTTP request to a file … Continue reading →

Posted in micro tutorial, PHP, zend framework | Tagged C file input/output, Computing, HEAD, http, Hypertext Transfer Protocol, PHP, PHP programming language, Technology/Internet, zend framework | 3 Comments

How to Collect the Images and Meta Tags from a Webpage with PHP

Posted on February 25, 2011 by Stoimen

Meta Tags and the Facebook Example You’ve definitely seen the “share a link” screen in Facebook. When you paste a link into the box (fig. 1) and press the “Attach” button you’ll get the prompted cite parsed with a title, … Continue reading →

Posted in micro tutorial, PHP, web development | Tagged Computing, Facebook, Facebook Inc, html, HTML element, LinkedIn Corporation, Meta element, Meta Tags, Online social networking, PHP, Search engine optimization, search engines, social services, tag, Technical communication, Technology/Internet, Web 2.0, Web page, World Wide Web | 2 Comments

From SVG to Geo Coordinates – A Complete Guide

Posted on February 11, 2011 by Stoimen

Why This Task Is Not Trivial? First of all what do we have? There is a vector shape, which may represent a map, which we’d like to convert into a GEO map. In other words there is a SVG file … Continue reading →

Posted in micro tutorial, PHP, web development | Tagged Algebraic curves, Animation, approaching algorithm, Bézier curve, Coordinates, Cubic plane curve, Curves, Differential geometry of curves, Geometry, Graphic design, html, Interpolation, Mathematics, PHP, Splines, text editor | 3 Comments

Reading GPS Latitude and Longitude from Image and Video Files

Posted on February 4, 2011 by Stoimen

The State of GPS Data from Mobile Devices Most of the mobile devices today support GPS geo tagging. In fact most of them come bundled with navigation software that uses GPS and therefore all the pictures and (maybe) videos can … Continue reading →

Posted in micro tutorial, PHP, web development | Tagged Android, Apple Inc., Application software, Computing, Container formats, Digital photography, Exchangeable image file format, ExifTool, Geotagging, GPS, iPhone, jpeg, Metadata, mobile device, Mobile Devices, MPEG-4, navigation software, Nokia E71 Smartphone, PHP, QuickTime, Resolution Unit, Smartphones, Symbian, Technology/Internet, web platform | 3 Comments