PHP and MySQL Frequently Asked Questions

Php programming

This list contains a collection of frequently asked questions related to PHP and MySQL database

Title
How to find string length in PHP
How to check whether a variable is set or not in PHP
How to check whether a variable is empty in PHP
How to check whether a variable is null in PHP
How to reverse a string in PHP
How to replace the part of a string with another string in PHP
Counts how many times a substring occurs in a string in PHP
How to count all elements or values in an array in PHP
How to print or echo all the values of an array in PHP
How to display array structure and values in PHP
How to reverse the order of an array in PHP
How to check if a key exists in an array in PHP
How to remove the last element from an array in PHP
How to remove the first element from an array in PHP
How to add elements to the beginning of an array in PHP
How to add elements to the end of an array in PHP
How to merge two or more arrays into one array in PHP
How to sort an array values alphabetically in PHP
How to remove duplicate values from an array in PHP
How to randomize the order of an array in PHP

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