How-to articles, tricks, and solutions about PHP
This error message indicates that the system is unable to create a cache directory at the specified location.
To save an image from a URL using PHP and cURL, you can use the following function:
To save a PHP array to a MySQL database, you can use the serialize() function to convert the array into a string, and then use an INSERT or UPDATE statement to save the string into a TEXT or LONGTEXT field in the database.
To save a file using FPDF, you can use the "Output" method.
You can use the array_filter() function in PHP to search through an array and return only the elements that contain a certain string.
In PHP, you can use the array_map() function to search and replace values in an array.
To securely hash and salt passwords in PHP, you can use the password_hash function.
To select data from a MySQL database based on the month and year, you can use the MONTH and YEAR functions in your SELECT statement.
To select records from today, you can use the following code:
To select unique values from a column in PHP, you can use the array_unique function.
To send an email using PHP, you can use the "mail()" function.
To send HTML form data to a SQL database using PHP, you will need to use the mysqli (MySQL Improved) extension in PHP.
In PHP, you can access the value of a submit button when a form is posted in the following way:
To send multiple data parameters with jQuery's $.ajax() function in PHP, you can use the data option and set it to an object with the data you want to send.
The error message "Cannot modify header information - headers already sent" typically occurs when a PHP script attempts to send a cookie or redirect the user's browser to a different page, but some output has already been sent to the browser.
To set the language for PHPMyAdmin, you can do the following:
To set the value of a POST variable in PHP, you can use the following code:
In PHP, you can set the value of a public class variable by using the assignment operator (=) after the variable name.
To set up SSL on a local XAMPP/Apache server, you will need to generate a self-signed certificate, configure the Apache server to use the certificate, and then access the server using https.
In PHP, you can use the function uniqid() to generate a short unique ID.
A simple DatePicker-like calendar can be created using the PHP DateTime class and some basic HTML and CSS.
Here is an example of how you can post to a Facebook fan page using the Facebook PHP SDK:
To convert a SimpleXml object to a string in PHP, you can use the asXML() function.