Welcome to a quick tutorial on how to catch all errors and exceptions in PHP. Need to cast a net and capture all the errors to figure out what went wrong? We can capture all errors in PHP using the set_exception_handler() function. For example: function elog ($ex) { error_log($ex->getMessage()); } set_exception_handler($elog); That covers the quick …
Welcome to a quick tutorial on PHP variable scope. So you may have defined a variable inside a function, and it “mysteriously disappeared” afterward? Well, rest assured that it is not a PHP bug, nor has it been abducted by aliens. Variable scope is simply the boundaries of where a variable exists. In PHP, there …
Welcome to a tutorial on how to set the execution time limit in PHP. So you want to change the allowed execution time in PHP to prevent timeout errors on a massive script? There are 4 ways to change the execution time limit in PHP: Change max_execution_time = SECONDS in php.ini. On an Apache webserver, …
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Welcome to a quick tutorial on how to create a forgotten password recovery script with PHP and MySQL. Having trouble with a system that requires manual password reset? An automated password recovery system generally involves 3 steps: The user accesses the “forgot password” page and makes a reset request. The system then generates a random …
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Welcome to a quick tutorial on how to restrict the file type and file size for uploads in PHP. Sure thing, we can set the HTML file input tag to accept only certain types of files, but it is not entirely safe. Code ninjas can easily change it using the developer’s console, and a server-side …
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Welcome to a quick tutorial and examples of how to use the constructor and destructor in PHP. Just heard of this “constructor” and “destructor” thing and wonder what they do? A constructor is a function that is called when an object is created. class Demo { function __construct() { echo “This will run when a …
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Welcome to a quick tutorial and examples of how to send an email in PHP. New to PHP and need to send out emails? It is actually very straightforward. There are 2 common ways to send emails in PHP. Use the native mail function – mail(“jon@doe.com”, “Subject”, “Message”); Use the PHPMailer library. $mail = new …
Welcome to a tutorial on how to debug PHP code. When it comes to troubleshooting, some beginners immediately foam in the mouth and go into a trance of “very difficult, need advanced tools, only for experts”… No. Debugging PHP does not require any special skills nor tools. The simplest form of debugging in PHP involves: …
Welcome to a quick tutorial on PHP delimiters, and you may have stumbled on the term “PHP delimiter” from somewhere. Just what does it mean and what does it do? Delimiters are used to set boundaries, denote where the start and end are. In the case of PHP, a pair of <?php and ?> tags …
Welcome to a quick tutorial on how to set the mail from address in PHP. Getting some errors when sending out emails, or want to change the “email from” address? To change the email from address with the mail function – mail(“jon@doe.com”, “Subject”, “Message”, “From: YOUR NAME <your@email.com>”); To set the from address using PHP …
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