3v4l.org

run code in 300+ PHP versions simultaneously
<?php function analyze(string $input): bool { $decoded = base64_decode($input); var_dump(bin2hex($decoded)); return base64_encode($decoded) === $input; } var_dump(analyze('PHP')); var_dump(analyze('PHP=')); var_dump(analyze('PHM='));
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.30, 8.0.0 - 8.0.20, 8.1.0 - 8.1.7
string(4) "3c73" bool(false) string(4) "3c73" bool(false) string(4) "3c73" bool(true)
Output for 5.6.0 - 5.6.40
Parse error: syntax error, unexpected ':', expecting '{' in /in/OM5jE on line 3
Process exited with code 255.

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