---
title: "What is the difference between PHP4 and PHP5?"  
description: "What is the difference between PHP4 and PHP5?"  
author: "Anonymous User"  
published: 2011-03-18  
updated: 2020-09-24  
canonical: https://www.mindstick.com/interview/481/what-is-the-difference-between-php4-and-php5  
category: "php"  
tags: ["php"]  
reading_time: 1 minute  

---

# What is the difference between PHP4 and PHP5?

**PHP4** cannot support oops concepts and Zend engine 1 is used.\
**PHP5** supports oops concepts and Zend engine 2 is used.\
Error supporting is increased in PHP5.\
XML and SQLLite will is increased in PHP5

## Answers

### Answer by Anonymous User

**PHP4** cannot support oops concepts and Zend engine 1 is used.\
**PHP5** supports oops concepts and Zend engine 2 is used.\
Error supporting is increased in PHP5.\
XML and SQLLite will is increased in PHP5


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