3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Car{ public static function a(){ return 'hi'; } } class Constants{ public static $use='Car'; } $trim = 'trim'; echo "${Constants::$use}"::a();
Output for 8.2.10 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Using ${expr} (variable variables) in strings is deprecated, use {${expr}} instead in /in/UXnOj on line 12 Warning: Undefined variable $Car in /in/UXnOj on line 12 Fatal error: Uncaught Error: Class "" not found in /in/UXnOj:12 Stack trace: #0 {main} thrown in /in/UXnOj on line 12
Process exited with code 255.
Output for 8.1.23 - 8.1.28
Warning: Undefined variable $Car in /in/UXnOj on line 12 Fatal error: Uncaught Error: Class "" not found in /in/UXnOj:12 Stack trace: #0 {main} thrown in /in/UXnOj on line 12
Process exited with code 255.
Output for 5.4.0 - 5.4.15
Parse error: syntax error, unexpected '::' (T_PAAMAYIM_NEKUDOTAYIM) in UXnOj on line 12
Process exited with code 255.
Output for 5.3.25
Parse error: syntax error, unexpected T_PAAMAYIM_NEKUDOTAYIM in /in/UXnOj on line 12
Process exited with code 255.
Output for 5.3.0 - 5.3.24
Parse error: syntax error, unexpected T_PAAMAYIM_NEKUDOTAYIM in UXnOj on line 12
Process exited with code 255.
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