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The PHP array() function is used to create an array (indexed, associative, or multidimensional).
- Indexed arrays – Arrays with numeric index
- Associative arrays – Arrays with named keys
- Multidimensional arrays – Arrays containing one or more arrays
Creating an Indexed Array
<?php
$my_cars = array('Lamborghini', 'Ferrari', 'Maserati');
echo $my_cars[0] . ', ' . $my_cars[1] . ', ' . $my_cars[2];
?>
Note
Arrays count starting from zero NOT one. So item 1 is position [0], item 2 is position [1], and item 3 is position [2] ... and so on.
Creating an Associative Array
<?php
$my_cars = array('Car 1' => 'Lamborghini', 'Car 2' => 'Ferrari', 'Car 3' => 'Maserati');
echo $my_cars['Car 1'] . ', ' . $my_cars['Car 2'] . ', ' . $my_cars['Car 3'];
?>
Output
Lamborghini, Ferrari, Maserati
Syntax
array(value1, value2, value3, ...)
// for associative arrays
array(key => value, key => value, key => value, ...)
Parameters
| Parameter | Description |
|---|---|
| key | Specifies the key (numeric or string) |
| value | Specifies the value (required) |
We’d like to acknowledge that we learned a great deal of our coding from W3Schools and TutorialsPoint, borrowing heavily from their teaching process and excellent code examples. We highly recommend both sites to deepen your experience, and further your coding journey. We’re just hitting the basics here at 1SMARTchicken.
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PHP NOTES:
- When using PHP, single or double quotation marks are acceptable and work identically to one another; choose whichever you prefer, and stay consistent
- Arrays count starting from zero NOT one; so item 1 is position [0], item 2 is position [1], and item 3 is position [2] … and so on
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