You are right, the function you’re looking for is array_multisort(). Here’s an example taken straight from the manual and adapted to your case: $price = array(); foreach ($inventory as $key => $row) { $price[$key] = $row[‘price’]; } array_multisort($price, SORT_DESC, $inventory); As of PHP 5.5.0 you can use array_column() instead of that foreach: $price = array_column($inventory, … Read more
will I get the same results? Not really. I don’t know of a workaround for PHP 5.2, though. What is the difference between new self and new static? self refers to the same class in which the new keyword is actually written. static, in PHP 5.3’s late static bindings, refers to whatever class in the … Read more
Disclaimer: the following is a description of how I understand MVC-like patterns in the context of PHP-based web applications. All the external links that are used in the content are there to explain terms and concepts, and not to imply my own credibility on the subject. The first thing that I must clear up is: … Read more
You can use either date or strftime. In this case I’d say it doesn’t matter as a year is a year, no matter what (unless there’s a locale that formats the year differently?) For example: <?php echo date(“Y”); ?> On a side note, when formatting dates in PHP it matters when you want to format … Read more
You need to set the value of upload_max_filesize and post_max_size in your php.ini : ; Maximum allowed size for uploaded files. upload_max_filesize = 40M ; Must be greater than or equal to upload_max_filesize post_max_size = 40M After modifying php.ini file(s), you need to restart your HTTP server to use the new configuration. If you can’t … Read more
Create a helpers.php file in your app folder and load it up with composer: “autoload”: { “classmap”: [ … ], “psr-4”: { “App\\”: “app/” }, “files”: [ “app/helpers.php” // <—- ADD THIS ] }, After adding that to your composer.json file, run the following command: composer dump-autoload If you don’t like keeping your helpers.php file … Read more
composer require vendor/package:version for example: composer require refinery29/test-util:0.10.2
Log fatal errors using the register_shutdown_function, which requires PHP 5.2+: register_shutdown_function( “fatal_handler” ); function fatal_handler() { $errfile = “unknown file”; $errstr = “shutdown”; $errno = E_CORE_ERROR; $errline = 0; $error = error_get_last(); if($error !== NULL) { $errno = $error[“type”]; $errfile = $error[“file”]; $errline = $error[“line”]; $errstr = $error[“message”]; error_mail(format_error( $errno, $errstr, $errfile, $errline)); } } … Read more
If you prefer a solution that does not require the initialization of the counter outside the loop, then you can compare the current iteration key against the function that tells you the last / first key of the array. PHP 7.3 and newer: foreach ($array as $key => $element) { if ($key === array_key_first($array)) { … Read more
htmlspecialchars may be used: When there is no need to encode all characters which have their HTML equivalents. If you know that the page encoding match the text special symbols, why would you use htmlentities? htmlspecialchars is much straightforward, and produce less code to send to the client. For example: echo htmlentities(‘<Il était une fois … Read more