3v4l.org

run code in 300+ PHP versions simultaneously
<?php $lovelyflowers = 'roses'; $lovelytrees = 'palms'; $type = 'flowers'; echo "I like ${'lovely' . $type}\n"; $type = 'trees'; echo "I like ${'lovely' . $type}\n"; ${'lovelyplants'} = 'ferns'; $type = 'plants'; echo "I like ${'lovely' . $type}\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/N13KZ on line 5 Deprecated: Using ${expr} (variable variables) in strings is deprecated, use {${expr}} instead in /in/N13KZ on line 7 Deprecated: Using ${expr} (variable variables) in strings is deprecated, use {${expr}} instead in /in/N13KZ on line 10 I like roses I like palms I like ferns
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, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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
I like roses I like palms I like ferns

preferences:
221.77 ms | 405 KiB | 326 Q