Arrays in PHP

In PHP, there are three types of arrays:

• Indexed array-an array with a numeric index
• Associative array-An array with the specified key
• Multidimensional arrays-An array that contains one or more arrays

Auto assign subscript starting from 0

$cars =array ("Volvo", "BMW", "SAAB");

Or you can manually assign an index:

$cars [0]= "Volvo"; $cars [1]= "BMW"; $cars [2]= "SAAB";

PHP Associative array

An associative array is an array that uses the specified key that you assign to the array.

There are two ways to create an associative array:

$age =array ("Peter" and "a", "Ben" = "Notoginseng", "Joe" and "43");

Or:

$age [' Peter ']= '; $age [' Ben ']= "Notoginseng"; $age [' Joe ']= "43";

foreach Loop traversal output

$age =array ("Bill" = "+", "Steve" = "Notoginseng", "Peter" and "+"), foreach ($age as $x + $x _value) {  echo "key=". $ X. ", value=." $x _value;  echo "<br>";}

Arrays in PHP