Welcome to a tutorial and examples of using AJAX with PHP. Yes, the Stone Age of the Internet is long over. If you are still doing “static HTML” or “submit form reload entire page” – It is time to explore the power of AJAX to spice up your website. AJAX stands for “Asynchronous Javascript And …
Welcome to a quick tutorial on how to read an Excel file and display it in HTML. Have a report or log file in the Excel file format? Want to display it on an HTML website? PHP cannot read Excel files natively. We need to use a library such as PHPSpreadSheet to read and output …
Welcome to a tutorial on how to support cross-domain sessions in PHP. Yes, it is technically possible to share a single session across multiple domains, but it is quite a challenging task. To support cross-domain sessions in PHP, we need to: Save the sessions into a shared common database. Set a single domain to facilitate …
Welcome to a quick tutorial on how to list files and folders in PHP. Want to get the contents of a folder in PHP? The common ways to list files and folders in PHP are: Use scandir() to get an array of files and folders – $contents = scandir(“FOLDER”); Use glob() to selectively get files …
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Welcome to a quick tutorial on absolute and relative paths in PHP. So you have set a verified file path, but PHP is still complaining about “missing” files and folders? Yes, it is easy to get lost with absolute and relative paths in PHP. An absolute path refers to defining the full exact file path, for …
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Welcome to a quick tutorial and example of how to create a PHP daemon. Need to run a “service” PHP script in the background? Send out emails, fetch updates, or monitor something? PHP does not support daemons natively. But we can simulate a daemon by creating a script that runs infinitely – while (true) { …
Welcome to a quick tutorial on memory management in PHP. Running out of memory from massive scripts? While the easy way is to install more memory into the server, I am pretty sure that is not the most efficient way. Simple memory tracking and management in PHP involves a few easy steps. Use memory_get_peak_usage() to …
Welcome to a quick tutorial on PHP escape sequences. Trying to figure out how to add slashes and quotation marks to a string? Well, using escape sequences is the answer. Escape sequences start a backslash \, followed by a few characters. They are used to represent special characters that are otherwise impossible to enter within …
Welcome to a quick tutorial on how to get the full URL and URL parts in PHP. Need to get the path, base, domain, or query string from the URL? In Javascript, we can pretty much get all this information with just one line of code. But sadly in PHP, things are a little… backward. …
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Welcome to a quick tutorial on how to format a Unix Timestamp to a readable date and time in PHP. Need to get a “human-friendly” date from a Unix Timestamp? We can use the date function to format a Unix Timestamp in PHP. To the ISO 8601 format – $formatted = date(DateTimeInterface::ATOM, $UNIX); To MySQL …
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