3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(class_exists('IntlCodePointBreakIterator')); ?>
Output for 5.5.24 - 5.5.28, 5.5.31 - 5.5.33, 5.5.35, 5.6.8 - 5.6.12, 5.6.16 - 5.6.19, 5.6.21 - 5.6.28, 7.0.0 - 7.0.4, 7.0.6 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
bool(true)
Output for 5.5.29 - 5.5.30, 5.5.34, 5.6.13 - 5.6.15, 5.6.20, 7.0.5, 7.3.32 - 7.3.33, 7.4.33, 8.0.13
bool(false)

preferences:
183.98 ms | 402 KiB | 227 Q