Arrays in PHP
| Introduction | |
| Create Array | |
| Access Array Element | |
| Go Through All Elements | |
| Get Array Length | |
| Access Array Element by its Index | |
| Dictionary |
Introduction
Create Array
Example
<?php
$myArray = array(1,2,3,4)
To access array's element run
echo $myArray[0];
1
Go throught all elements
<?php
$arr = array(1, 2, 3, 4);
foreach ($arr as &$value) {
echo $value;
echo '<br>';
unset($value);
}
1
2
3
4
Get Array's Length
<?php
$my_array = array("one", "two", "three");
array_length = count($my_array);
echo($array_length);
3
Access Element by its Index
<?php
$my_array = array("one", "two", "three");
$indexed_array = array_values($my_array);
echo$indexed_array[1];
two
Dictionaries
It is possible to create dictionaries with array()
<?php
$myArray = array(
0 => 'Big',
1 => 'Small',
2 => 'Up',
3 => 'Down'
);
Access Array's element
echo $myArray[0];
Big
<?php
$myArray = array(
'a' => 'Big',
'b' => 'Small',
'c' => 'Up',
'd' => 'Down'
);
To Access Array's element
echo $myArray['b'];
Small
Article author: Andrei Olegovich