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run code in 300+ PHP versions simultaneously
<?php class X { function test(): self { return $this; } } class Y extends X { } $x = new Y; $y = $x->test();
Output for 7.0.0 - 7.0.20, 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.21
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/TvJjC on line 5
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected ':', expecting ';' or '{' in <b>/in/TvJjC</b> on line <b>5</b><br />
Process exited with code 255.
Output for 5.0.0 - 5.0.5
<br /> <b>Parse error</b>: parse error, unexpected ':', expecting '{' or ';' in <b>/in/TvJjC</b> on line <b>5</b><br />
Process exited with code 255.
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected ':', expecting '{' in <b>/in/TvJjC</b> on line <b>5</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
<br /> <b>Parse error</b>: parse error, unexpected ':', expecting '{' in <b>/in/TvJjC</b> on line <b>5</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error, expecting `'{'' in <b>/in/TvJjC</b> on line <b>5</b><br />
Process exited with code 255.
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