3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "In\xcc\x83te\xcc\x88rna\xcc\x82tio\xcc\x82na\xcc\x80liz\xc3\xa6ti\xc3\xb8n";
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Iñtërnâtiônàlizætiøn
preferences:
198.66 ms | 404 KiB | 228 Q