3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($"$num converted to fahrenheit is $f\n"; }
Output for 5.4.0 - 5.4.28
Parse error: syntax error, unexpected '"', expecting variable (T_VARIABLE) or '$' in /in/qiOQD on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected '"', expecting T_VARIABLE or '$' in /in/qiOQD on line 2
Process exited with code 255.
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178.16 ms | 1395 KiB | 65 Q