3v4l.org

run code in 300+ PHP versions simultaneously
<?= echo 'hello world'; ?>
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected 'echo' (T_ECHO) in /in/NPUQV on line 1
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
<?= echo 'hello world'; ?>
preferences:
206.91 ms | 1396 KiB | 123 Q