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<?php trait BaseObject{} trait TraitObject{ use BaseObject; } class Example extends ArrayObject{ use TraitObject; } $obj = new Example(); echo ($obj instanceof ArrayObject) ? 'yes' : 'no', ',' ; echo ($obj instanceof TraitObject) ? 'yes' : 'no', ',' ; echo ($obj instanceof Traversable) ? 'yes' : 'no', ',' ; echo ($obj instanceof BaseObject) ? 'yes' : 'no' ;
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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
yes,no,yes,no
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/8Zse9 on line 2
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/8Zse9</b> on line <b>2</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/8Zse9</b> on line <b>2</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/8Zse9</b> on line <b>2</b><br />
Process exited with code 255.
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288.44 ms | 401 KiB | 460 Q