Update index.md to add a new item into php array (#31333)

This commit is contained in:
Daniele Pedone
2018-12-17 06:06:35 +01:00
committed by Randell Dawson
parent 68c5a2e4e8
commit 6d9f8593cb

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@ -84,6 +84,33 @@ Would produce the following output:
I like Yamaha I like Yamaha
``` ```
## Add Item
Is possible to add any item to an existing array.
An example of addition can be seen below:
```
<?php
$bikes = array('Suzuki', 'BMW');
$bikes[] = 'Yamaha';
```
Another example, using named keys can be seen below:
```
<?php
$bikes = [
'favorite' => 'Suzuki',
'second favorite' => 'BMW'
];
$bikes['not my favorite'] = 'Yamaha';
```
## Multidimensional Array ## Multidimensional Array
As we mentioned earlier arrays are collection of items, often times these items may be arrays of themselves. As we mentioned earlier arrays are collection of items, often times these items may be arrays of themselves.
@ -92,7 +119,6 @@ As we mentioned earlier arrays are collection of items, often times these items
You will always be able to get the value for the specific key by going down the layers: $arr['layerOne']['two'] You will always be able to get the value for the specific key by going down the layers: $arr['layerOne']['two']
## Pitfalls ## Pitfalls
When working with arrays, there are a few important things to keep in mind: When working with arrays, there are a few important things to keep in mind: