3v4l.org

run code in 300+ PHP versions simultaneously
<?php message = "2015"; echo ${message/2015/2016};
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16, 7.0.0 - 7.0.1
Parse error: syntax error, unexpected '=' in /in/R1YZs on line 3
Process exited with code 255.
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173.15 ms | 1400 KiB | 25 Q