3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo [1,2,3][0], "\n" echo ([1,2,3])[0], "\n" // 1???
Output for 5.5.0
Parse error: syntax error, unexpected 'echo' (T_ECHO), expecting ',' or ';' in /in/Q3F2Q on line 3
Process exited with code 255.
Output for 5.4.0 - 5.4.17
Parse error: syntax error, unexpected '[', expecting ',' or ';' in /in/Q3F2Q on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected '[' in /in/Q3F2Q on line 2
Process exited with code 255.
preferences:
179.19 ms | 1395 KiB | 54 Q