3v4l.org

run code in 300+ PHP versions simultaneously
<?php // https://bugs.php.net/bug.php?id=71927 error_reporting(0); // define('great','my'); $great='fantastic'; $my='my value'; echo "This is ${great }\n"; echo "This is ${ great}\n"; echo "This is ${ great }\n"; echo "This is ${great}\n";
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Using ${expr} (variable variables) in strings is deprecated, use {${expr}} instead in /in/3i2El on line 10 Deprecated: Using ${expr} (variable variables) in strings is deprecated, use {${expr}} instead in /in/3i2El on line 11 Deprecated: Using ${expr} (variable variables) in strings is deprecated, use {${expr}} instead in /in/3i2El on line 12 Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/3i2El on line 13
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28

Process exited with code 255.
Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
This is fantastic This is fantastic This is fantastic This is fantastic
preferences:
192.12 ms | 403 KiB | 255 Q