LN Webworks Drupal Developer Interview Questions and Answers

Types of loops in PHP include for, while, do-while, and foreach loops.

• For loop: Executes a block of code a specified number of times.

• While loop: Executes a block of code as long as a specified condition is true.

• Do-while loop: Executes a block of code once, then repeats the loop as long as a specified condition is true.

• Foreach loop: Used to iterate over arrays or objects.

Five commonly used array functions in PHP

• array_push() - adds one or more elements to the end of an array

• array_pop() - removes and returns the last element of an array

• array_merge() - merges one or more arrays into a single array

• array_filter() - filters elements of an array using a callback function

• array_slice() - extracts a slice of an array