3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = '0xf5'; print "$x\n"; for ($i=0; $i<20; $i++){ $x++; print "$x\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
0xf5 0xf6 0xf7 0xf8 0xf9 0xg0 0xg1 0xg2 0xg3 0xg4 0xg5 0xg6 0xg7 0xg8 0xg9 0xh0 0xh1 0xh2 0xh3 0xh4 0xh5

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