This always works for me: ini_set(‘display_errors’, ‘1’); ini_set(‘display_startup_errors’, ‘1’); error_reporting(E_ALL); However, this doesn’t make PHP to show parse errors – the only way to show those errors is to modify your php.ini with this line: display_errors = on (if you don’t have access to php.ini, then putting this line in .htaccess might work too): php_flag … Read more
Short Answer Use $this to refer to the current object. Use self to refer to the current class. In other words, use $this->member for non-static members, use self::$member for static members. Full Answer Here is an example of correct usage of $this and self for non-static and static member variables: <?php class X { private … Read more
foreach supports iteration over three different kinds of values: Arrays Normal objects Traversable objects In the following, I will try to explain precisely how iteration works in different cases. By far the simplest case is Traversable objects, as for these foreach is essentially only syntax sugar for code along these lines: foreach ($it as $k … Read more
Native XML Extensions I prefer using one of the native XML extensions since they come bundled with PHP, are usually faster than all the 3rd party libs and give me all the control I need over the markup. DOM The DOM extension allows you to operate on XML documents through the DOM API with PHP … Read more
Now with PHP 8 you can do this using str_contains: if (str_contains(‘How are you’, ‘are’)) { echo ‘true’; } RFC Before PHP 8 You can use the strpos() function which is used to find the occurrence of one string inside another one: $a=”How are you?”; if (strpos($a, ‘are’) !== false) { echo ‘true’; } Note … Read more
The MySQL extension: Is not under active development Is officially deprecated as of PHP 5.5 (released June 2013). Has been removed entirely as of PHP 7.0 (released December 2015) This means that as of 31 Dec 2018 it does not exist in any supported version of PHP. If you are using a version of PHP … Read more
Each YouTube video has four generated images. They are predictably formatted as follows: https://img.youtube.com/vi/<insert-youtube-video-id-here>/0.jpg https://img.youtube.com/vi/<insert-youtube-video-id-here>/1.jpg https://img.youtube.com/vi/<insert-youtube-video-id-here>/2.jpg https://img.youtube.com/vi/<insert-youtube-video-id-here>/3.jpg The first one in the list is a full size image and others are thumbnail images. The default thumbnail image (i.e., one of 1.jpg, 2.jpg, 3.jpg) is: https://img.youtube.com/vi/<insert-youtube-video-id-here>/default.jpg For the high quality version of the thumbnail use a … Read more
The correct way to avoid SQL injection attacks, no matter which database you use, is to separate the data from SQL, so that data stays data and will never be interpreted as commands by the SQL parser. It is possible to create an SQL statement with correctly formatted data parts, but if you don’t fully … Read more
There are different ways to delete an array element, where some are more useful for some specific tasks than others. Deleting a single array element If you want to delete just one array element you can use unset() or alternatively \array_splice(). If you know the value and don’t know the key to delete the element … Read more