3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Everything you enter here will be executed by our servers. Try it! print_r(['username': username, 'lang': this.lang]);
Output for 5.4.0 - 5.4.17, 5.5.0 - 5.5.1
Parse error: syntax error, unexpected ':', expecting ']' in /in/QXsVA on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected '[', expecting ')' in /in/QXsVA on line 3
Process exited with code 255.
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177.88 ms | 1399 KiB | 55 Q