<?php $array = []; class Class1{} class Class2{} class Class3{} $arrClass = [ 'Class1', 'Class2', 'Class3', ]; for($i = 0; $i < 5; $i++) { foreach($arrClass as $class){ $array[] = new $class; } }
Standard input is empty
Array
(
    [0] => Class1 Object
        (
        )
    [1] => Class2 Object
        (
        )
    [2] => Class3 Object
        (
        )
    [3] => Class1 Object
        (
        )
    [4] => Class2 Object
        (
        )
    [5] => Class3 Object
        (
        )
    [6] => Class1 Object
        (
        )
    [7] => Class2 Object
        (
        )
    [8] => Class3 Object
        (
        )
    [9] => Class1 Object
        (
        )
    [10] => Class2 Object
        (
        )
    [11] => Class3 Object
        (
        )
    [12] => Class1 Object
        (
        )
    [13] => Class2 Object
        (
        )
    [14] => Class3 Object
        (
        )
)