Online PHP editor | refs for 2IogX

<?php $inputs = [ 'Windows' => "Dog\r\nCat\r\nMouse", 'Linux' => "Bicycle\nCar\nTrain\nAirplane", 'Mac' => "iPhone\riPod\rMacBook", 'Win + Linux' => "int main() {\n return 0;\r\n}\n", 'All mixed up' => "This is a Windows new line\r\n, followed by a Linux new line\n and finally an old Mac with a single carriage return\rat the end", ]; var_export( preg_replace('/\R/', '*', $inputs) );