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A little-known but very useful operator, for example to sort an array, is the spaceship operator: <=> It compares two values and returns an integer (-1, 0, 1) depending on the result. $a < $b returns -1 $a = $b returns 0 $a > $b returns 1 One way to see it is here: https://3v4l.org/WcRSo … Read more
A really useful tool to keep your code clean is PHP Coding Standards Fixer. It allows us to follow the PHP standards defined in PSR-1, PSR-2, etc. It is also possible to configure it to follow the style of your team with a documentation. The recommended way to install it is outside your code, but … Read more
This article contains all the steps necessary to create a Symfony 5 project with docker-compose, nginx and PHP 7.4. File structure To start, we are going to need a docker folder that will contain all the necessary folders for each container. For our example, we will use nginx, php as well as MariaDB Once this … Read more
Everyone knows the strtotime function. With it, for example, we can retrieve the date of 2 weeks ago, strtotime (‘-2 week’); or a year ago strtotime (‘-1 year’); What is interesting is that you can retrieve the date of 2 weeks ago while defining the time, for example midnight strtotime (‘2 week midnight’); or noon: … Read more
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(; }
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