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Code Issues Releases Wiki Activity

Proofreading and code blocking keywords

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This commit is contained in:
Andrew Davis
2019-01-05 15:31:14 -06:00
parent cbd3c539bb
commit da6c58fc27
16 changed files with 62 additions and 83 deletions
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8
chapters/classes-inheritance.md
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@@ -1,5 +1,5 @@
In PHP, a class can extend another class, inheriting the parent class'
properties and methods. To make a class a child of another, use the "extends"
properties and methods. To make a class a child of another, use the `extends`
keyword after the class name.
```php
<?php
@@ -39,7 +39,7 @@ $tractor = new Tractor();
$tractor->drive();
```
A class can use a parent's property or method from the "$this" variable.
A class can use a parent's property or method from the `$this` variable.
```php
class Motorcycle extends Vehicle
{
@@ -56,9 +56,9 @@ $cycle = new Motorcycle();
$cycle->pushPedal();
```
If you override a parent's property or method, the "$this" variable will refer to the child's
If you override a parent's property or method, the `$this` variable will refer to the child's
implementation of the property or method. To call the parent's property or method explicity,
use the "parent" keyword.
use the `parent` keyword.
```php
class Racecar extends Vehicle
{