3v4l.org

run code in 300+ PHP versions simultaneously
<?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) );
Output for git.master, git.master_jit, rfc.property-hooks
array ( 'Windows' => 'Dog*Cat*Mouse', 'Linux' => 'Bicycle*Car*Train*Airplane', 'Mac' => 'iPhone*iPod*MacBook', 'Win + Linux' => 'int main() {* return 0;*}*', 'All mixed up' => 'This is a Windows new line*, followed by a Linux new line* and finally an old Mac with a single carriage return*at the end', )

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