3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array( 0=> "JGF1dGhfcGFzcyA9ICI4NzQwN2EwZDFiN2UxOGM4ZjM1YjcyMjQxMTY2MzkyNSI7CiR1c2VhY2UgPSB0cnVlOwokY29sb3IgPSAiI2RmNSI7CiRkZWZhdWx0X2FjdGlvbiA9ICdGaWxlc01hbic7CiRkZWZhdWx0X3VzZV9hamF4ID0gdHJ1ZTsKJGRlZmF1bHRfY2hhcnNldCA9ICdXaW5kb3dzLTEyNTEnOwoKaWYoIWVtcHR5KCRfU0VSVkVS" ); print_r($arr);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [0] => JGF1dGhfcGFzcyA9ICI4NzQwN2EwZDFiN2UxOGM4ZjM1YjcyMjQxMTY2MzkyNSI7CiR1c2VhY2UgPSB0cnVlOwokY29sb3IgPSAiI2RmNSI7CiRkZWZhdWx0X2FjdGlvbiA9ICdGaWxlc01hbic7CiRkZWZhdWx0X3VzZV9hamF4ID0gdHJ1ZTsKJGRlZmF1bHRfY2hhcnNldCA9ICdXaW5kb3dzLTEyNTEnOwoKaWYoIWVtcHR5KCRfU0VSVkVS )
preferences:
271.08 ms | 406 KiB | 354 Q