Structs data type in php?

Closest you'd get to a struct is an object with all members public.

class MyStruct {
    public $foo;
    public $bar;
}

$obj = new MyStruct();
$obj->foo = 'Hello';
$obj->bar = 'World';

I'd say looking at the PHP Class Documentation would be worth it. If you need a one-off struct, use the StdObject as mentioned in alex's answer.

You can use an array

$something = array(
   'key' => 'value',
   'key2' => 'value2'
);

or with standard object.

$something = new StdClass();

$something->key = 'value';
$something->key2 = 'value2';

I recommend 2 things. First is associative array.

$person = Array();
$person['name'] = "Joe";
$person['age'] = 22;

Second is classes.

Detailed documentation here: http://php.net/manual/en/language.oop5.php

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