PHP - Arrays

arrays.php

<?php

$arr = array('key' => 'value', 'key' => $value);

$arr2 = array(array('key' => 'value', 'key'),array('key' => 'value', 'key' => ''),array('key' => 'value', 'key')); 

$arr3 = array('key' => array('one' => 'two', 'three' => 'four'), array('foo' => 'bar', 'condition' => false));

$arr4 = array();
$arr4[] = 'key' => 'value', 'foo' => 'bar';
$arr4[] = array('foo' => 'bar', 'one' => 'two');

// Useful Array Functions

print_r($arr1); // prints array
count($arr2); // count the elements of array

?>