3v4l.org

run code in 300+ PHP versions simultaneously
<?php $user_id=12; $app_id=299; $url_p = "user_id={$user_id}&app_id={$app_id}";echo $url_p
Output for 5.4.0 - 5.4.28
Parse error: syntax error, unexpected end of file, expecting ',' or ';' in /in/dhF57 on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected $end, expecting ',' or ';' in /in/dhF57 on line 5
Process exited with code 255.
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187.1 ms | 1395 KiB | 65 Q