PHP Associative Array
PHP Tutorial » PHP Associative Arrays
What is an associative array PHP?, How do I get associative array in PHP?
Associative arrays are arrays that use named keys that you assign to them.
There are two types to create an associative array:
or
$population['Barcelona'] = "3712000"
$population['Valencia'] = "2124000"
copy and paste in the editor below, click "Execute" and notice the result
<?php
$population['Madrid'] = "4146000";
$population['Barcelona'] = "3712000";
$population['Valencia'] = "2124000";
echo " The population of Barcelona is" . $population['Barcelona'] . "citizens.";
?>
Creating an associative array of mixed types
Associative arrays are used to store key value pairs.
<?php
/* Creating an associative array of mixed types */
$my_arr["abc"] = 915;
$my_arr[107] = "mno";
$my_arr[12.36] = 121;
$my_arr["xyz"] = "Paris";
/* Looping through an array using foreach */
foreach ($my_arr as $key => $val){
echo $key."==>".$val."\n";
}
?>
Related subjects:
What is an array
Convert array to string comma
Array to comma separated
Tags: PHP Associative Arrays: to numeric, and indexed, push, to simple, tu string, get key, multidimensional, add element, key
Convert Associative Array To Multidimensional
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<?php
$a = ['ab' => 22, 'bc' => 12, 'cd' => 41, 'de' => 1102];$a1 = array_keys($a);
$a2 = array_values($a);$b = [];
for ($i=0; $i<count($a); $i++) {
array_push($b, [$a1[$i],$a2[$i]] );
}print_r($b); //[['ab', 22], ['bc', 12], ['cd', 41], ['de', 1102]];
?>
PHP array associative add element
How do you add an element to the associative array?
<?php
// Existing array
$my_arr = array('zero' => 0, 'one' => 1, 'two' => 2, 'three' => 3);
// New element
$my_arr['four'] = 4;
// Final array
print_r($my_arr);
?>
PHP Associative Arrays: to numeric, and indexed, push, to simple, tu string, get key, multidimensional, add element, key
PHP Associative Array - php tutorial
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