3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(substr("高危错类信息", str_len("高危"));
Output for 5.3.0 - 5.3.26, 5.4.0 - 5.4.17
Parse error: syntax error, unexpected ';' in /in/7EhLA on line 3
Process exited with code 255.

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