3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace MiProyecto; function obtener($nombreclase) { $a = __NAMESPACE__ . '\\' . $nombreclase; echo $a; return new $a; } $a = obtener(); ?>
Output for 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, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught ArgumentCountError: Too few arguments to function MiProyecto\obtener(), 0 passed in /in/rZiXQ on line 11 and exactly 1 expected in /in/rZiXQ:4 Stack trace: #0 /in/rZiXQ(11): MiProyecto\obtener() #1 {main} thrown in /in/rZiXQ on line 4
Process exited with code 255.
Output for 7.0.0 - 7.0.20
Warning: Missing argument 1 for MiProyecto\obtener(), called in /in/rZiXQ on line 11 and defined in /in/rZiXQ on line 4 Notice: Undefined variable: nombreclase in /in/rZiXQ on line 6 MiProyecto\ Fatal error: Uncaught Error: Class 'MiProyecto\' not found in /in/rZiXQ:8 Stack trace: #0 /in/rZiXQ(11): MiProyecto\obtener() #1 {main} thrown in /in/rZiXQ on line 8
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
Warning: Missing argument 1 for MiProyecto\obtener(), called in /in/rZiXQ on line 11 and defined in /in/rZiXQ on line 4 Notice: Undefined variable: nombreclase in /in/rZiXQ on line 6 MiProyecto\ Fatal error: Class 'MiProyecto\' not found in /in/rZiXQ on line 8
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/rZiXQ on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/rZiXQ on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/rZiXQ on line 2
Process exited with code 255.

preferences:
285.74 ms | 401 KiB | 371 Q