Git – How to update your remote branches
To list local and remote branches $ git branch -a remotes only $ git branch -r For the list to be up to date you can use $ git remote update $ git remote plum origin
Jean-Pierre Lambelet
PHP – DOMDocument and XPath to parse a large XML file
When we have to process a very large XML, it is unfortunately not possible to use SimpleXML. Fortunately for this, we can use DOMDocument. To do this, just load the desired file and initialize xpath on it with DOMXPath. $document = new DOMDocument(); $document->load($file); $xpath = new DOMXPath($document); If the XML in question has a … Read more
PHP and SimpleXML
When you want to process an XML file in PHP, there are two possibilities: either we use SimpleXML or we go through DOMDocument. In this article I will deal more specifically with SimpleXML. To load a file, just use the simplexml_load_file method $xml = simplexml_load_file($file); By doing so, you get a SimpleXMLElement. If the XML … Read more
PHP – How to load a FILE in PHP from a form
To find out how to load a file in PHP from a form, you have to start by formatting the form correctly. It is mandatory to use the post method as well as the multipart/form-data enctype, otherwise PHP will not receive the necessary data. In PHP, to retrieve the data, you have to use … Read more
PHP – How to find the origin of the call on a PHP function
It can happen that a function is only callable from one interface (console, apache…). There is a function that returns exactly what we are looking for. In the following example, we are looking to know whether the call is from the console. if (php_sapi_name()!"cli") header ("Location: http://www.sadtrombone.com/"); die(; }
WordPress – How to add or remove a TinyMCE button
By default on WordPress we have TinyMCE and although this plugin is very powerful, there are far too many buttons. Fortunately with a few lines of code, it is possible to configure it. In your theme’s functions.php file or in your plugin, use the hook as follows: function configure_mce( $init ) { // our options … Read more
JavaScript – How to add jQuery from a JavaScript file
When you create a javascript file, you may want to make sure you can use jQuery. To avoid having it twice and maybe introducing incompatibilities, just add this at the beginning of the javascript file: if (typeof jQuery ‘undefined’) var script – document.createElement (‘script’); script.src – ‘http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js’; script.type – ‘text/javascript’; document.getElementsByTagName (‘head’)[0].appendChild (script); }
SQL – How to retrieve entries before and after an ID
It is possible, for example in the context of a competition, that we are looking to find out what are the 5 best scores preceding the one I just made. To do it in SQL, although a little tricky, it is not too complicated. The 5 before me Select FROM scores WHERE score from api_scores … Read more
PHP – CodeIgniter how to create and use a model
Looking at the structure of CodeIgniter we see that there is a folder called application/models. It is in this one that we will create our model. For a model to be usable as such, it must extend CI_Model. class ScoresModel extends CI_Model { function __construct(){ // Call the Model constructor parent::__construct(); $this->load->database(); } function getAllScores(){ … Read more
PHP – Create a REST API with CodeIgniter
Introduction CodeIgniter is a fairly simple framework for PHP. Compared to its big brothers such as Zend or Yii, it has the advantage of being small and very simple to get to grips with. For me, currently the best for small projects such as creating a REST-API. Installation To start, go download the official version … Read more