If you want to count the number of words in a string, you can use PHP function str_word_count() to get it easily. Check this how you can use it in PHP.
Using PHP string function, you can count the number of characters or length of a string with and without spaces. Use strlen() function on the string to get it.
Use PHP string functions explode() and strstr() to get user id and mail server from an email. It is simple but useful while working on a project.
Using keyframes in CSS and settimeout Javascript function, display a toast notification in the PHP login form with MySQL when the user logs in successfully
If you have a requirement to display dynamic content in bootstrap tabs, use this topic to create tabs in html and show data in tabs using PHP and MySQL.
PHP function md5() is a useful function used to create md5 hash of a string. See how you can generate it in PHP and Ajax without submitting a form.
SELECT, INSERT, UPDATE and DELETE statements are used for CRUD (Create, Read, Update, Delete) operations. Build a simple CRUD application in PHP and MySQL.
For a multiple select dropdown in a form, use an array of selected values and update the database with the selected values after the form is submitted.
Apply PHP array function in_array() to find if a value exists in an array or not. With various examples, it can be very useful in PHP development.
Populating an array with data from database is very common in PHP. Use select query to get data from MySQL database and populate the array using PHP.
Count the number of elements in an array using PHP. Use PHP count() function to know the length of an array. See how you can display the count with example.
You can use jQuery with PHP and MySQL to dynamically show star ratings from the database. User can select a star rating for feedback and save it in the database.