Table of Contents

PHP

Small guide about certain aspect of the PHP programming language

Data Structures

Arrays

In PHP arrays are associative. Keys can be integer or string, while values can be of any type.

// Define an associative array with two entries
$array = array("key1"=>"value1",
               "key2"=>"value2",);
 
// Cycle on array entry
foreach ($array as $key => $value){
  echo $key." ".$value." ".$array[$key]."\n";
}

Output:

key1 value1 value1
key2 value2 value2