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How to analyze PHP extends class inheritance, many novices are not very clear about this, in order to help you solve this problem, the following editor will explain in detail for you, people with this need can come to learn, I hope you can gain something.

The PHP extends class inherits and writes code that is relatively easy to implement. It is also easy for beginners to master this knowledge. We just need to accumulate experience in practice to consolidate this knowledge.

PHP extends class inheritance code example:

Xerox

$this- > yearly roomy

}

Function getx () {

Return $this- > x

}

Function gety () {

Return $this- > y

}

Function _ _ destruct () {}

}

Class a2 extends a {}

/ * extends is an inherited function * /

$b2=new a2 (100.10)

Echo $b2-> getx (). "

"

Echo $b2-> gety ()

? >

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