3v4l.org

run code in 500+ PHP versions simultaneously
<?php $params['en-US_translation'] = 'foo'; $value = 'en-US'; var_dump($params[{$value . '_translation'}]);
Output for 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 - 5.6.8, 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '{', expecting ']' in /in/QQ2uI on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 4.3.0 - 4.3.1
Parse error: parse error, unexpected '{', expecting ']' in /in/QQ2uI on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `']'' in /in/QQ2uI on line 5
Process exited with code 255.

preferences:
39.19 ms | 1527 KiB | 18 Q