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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 … Read more
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 … Read more
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
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(; }
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 will be here … Read more
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); }
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
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() $query – … Read more
Introduction CodeIgniter is a fairly simple framework for PHP. Compared to its big brothers such as Zend or Yii, it has the advantage of being small and very simple to get to grips with. For me, currently the best for small projects such as creating a REST-API. Installation To start, go download the official version … Read more
With WordPress, it is common to use the get_post_meta($post, $meta_key) method in order to retrieve the value of a given meta. However for the ID, there is no ready-made method. The best solution I’ve found so far: $mid – $wpdb-get_var ($wpdb–prepare ("SELECT meta_id FROM $wpdb–postmeta WHERE post_id – %d AND meta_key – %s," $post, $meta-key);