3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace B { class A { public function __invoke() { echo 'Yes!'; } } function A() { echo 'Yup!'; } } namespace C { use B\A; function AA() { echo 'Nope!'; } $a = new \B\A; $a(); A(); \B\A(); }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 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
Yes! Fatal error: Uncaught Error: Call to undefined function C\A() in /in/iLrQm:22 Stack trace: #0 {main} thrown in /in/iLrQm on line 22
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28
Yes! Fatal error: Call to undefined function C\A() in /in/iLrQm on line 22
Process exited with code 255.
Output for 5.2.3 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/iLrQm on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected T_STRING in <b>/in/iLrQm</b> on line <b>3</b><br />
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
<br /> <b>Parse error</b>: parse error, unexpected T_STRING in <b>/in/iLrQm</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/iLrQm</b> on line <b>3</b><br />
Process exited with code 255.

preferences:
283.84 ms | 401 KiB | 346 Q