What are some of the big changes PHP has gone through in the past few years?

There are a number, but the big ones people are looking for are:
a. PHP 5.0 realised the object model (AKA OOP).
b. 5.1 added PDO – for accessing databases.
c. 5.3 – added namespace support and late static bindings.

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Gaurav Kumar

Hi, my name is Gaurav Kumar and I specialize in Computer Software industry. I have been working as a Software Developer from last 3+ years,and its my passion to learn new technology and sharing what I've learned.