3v4l.org

run code in 300+ PHP versions simultaneously
<?php $name = "Alice"; print "${name} said Hello World to the crowd of people.\n"; print "${'name'} said Hello World to the crowd of people.\n"; print "$name said Hello World to the crowd of people.\n";
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/YLQhe on line 3 Deprecated: Using ${expr} (variable variables) in strings is deprecated, use {${expr}} instead in /in/YLQhe on line 4 Alice said Hello World to the crowd of people. Alice said Hello World to the crowd of people. Alice said Hello World to the crowd of people.
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, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Alice said Hello World to the crowd of people. Alice said Hello World to the crowd of people. Alice said Hello World to the crowd of people.

preferences:
335.89 ms | 405 KiB | 459 Q