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<?php class test { public function __toString() { return 1; } } echo (new test);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
1
Output for 7.4.0 - 7.4.33
Fatal error: Uncaught Error: Method test::__toString() must return a string value in /in/u4oCY:11 Stack trace: #0 {main} thrown in /in/u4oCY on line 11
Process exited with code 255.
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Recoverable fatal error: Method test::__toString() must return a string value in /in/u4oCY on line 11
Process exited with code 255.
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20
Catchable fatal error: Method test::__toString() must return a string value in /in/u4oCY on line 11
Process exited with code 255.
Output for 5.0.5, 5.1.0 - 5.1.6
Fatal error: Method test::__toString() must return a string value in /in/u4oCY on line 11
Process exited with code 255.
Output for 5.0.0 - 5.0.4

Process exited with code 139.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/u4oCY on line 5
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
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/u4oCY on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/u4oCY on line 5
Process exited with code 255.

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