3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dna = '*'; echo str_replace(chr(42), $dna, base64_decode($dna)); ?<
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.21
Parse error: syntax error, unexpected '?' in /in/2i7RX on line 4
Process exited with code 255.
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187.99 ms | 1395 KiB | 57 Q