3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo is_resource(fopen('http://www.youtube.com/')) ? 'OK' : 'NO';
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Fatal error: Uncaught ArgumentCountError: fopen() expects at least 2 arguments, 1 given in /in/jPsgf:3 Stack trace: #0 /in/jPsgf(3): fopen('http://www.yout...') #1 {main} thrown in /in/jPsgf on line 3
Process exited with code 255.
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, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: fopen() expects at least 2 parameters, 1 given in /in/jPsgf on line 3 NO

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