Digibranz Technologies Interview Questions and Answers

An array is a data structure that stores multiple values in a single variable. There are three types of arrays in PHP: indexed arrays, associative arrays, and multidimensional arrays.

• Indexed arrays are arrays with numeric keys that start at 0.

• Associative arrays are arrays with named keys.

• Multidimensional arrays are arrays that contain other arrays as elements.

• Example: $colors = ['red', 'green', 'blue'];

• Example: $person...read more

Use LIMIT clause in SQL query to fetch first 100 results from a table

• Use SELECT statement to specify the columns to retrieve

• Use LIMIT 100 at the end of the query to limit the results to 100

• Example: SELECT * FROM table_name LIMIT 100;

There are four types of loops in PHP: for, while, do-while, and foreach.

• for loop is used when a specific number of iterations are required

• while loop is used when a condition needs to be checked before each iteration

• do-while loop is similar to while loop but the condition is checked after each iteration

• foreach loop is used to iterate over arrays