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run code in 150+ php & hhvm versions
Bugs & Features
<?php class A implements Serializable { function serialize() { throw new Exception('a'); } function unserialize($serialized) { throw new Exception('b'); } } var_dump(serialize(new A));
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Exception: a in /in/ZB0uL:3 Stack trace: #0 [internal function]: A->serialize() #1 /in/ZB0uL(4): serialize(Object(A)) #2 {main} thrown in /in/ZB0uL on line 3
Process exited with code 255.
Output for hhvm-3.12.0
Fatal error: Uncaught exception 'Exception' with message 'a' in /in/ZB0uL:3 Stack trace: #0 /in/ZB0uL(4): A->serialize() #1 {main}
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.1.3 - 5.2.17, 5.4.14 - 5.6.28
Fatal error: Uncaught exception 'Exception' with message 'a' in /in/ZB0uL:3 Stack trace: #0 [internal function]: A->serialize() #1 /in/ZB0uL(4): serialize(Object(A)) #2 {main} thrown in /in/ZB0uL on line 3
Process exited with code 255.
Output for 5.3.3 - 5.4.13
Fatal error: Uncaught exception 'Exception' with message 'a' in /in/ZB0uL:3 Stack trace: #0 [internal function]: A->serialize() #1 /in/ZB0uL(4): serialize(Object(A)) #2 {main} Next exception 'Exception' with message 'A::serialize() must return a string or NULL' in /in/ZB0uL:4 Stack trace: #0 /in/ZB0uL(0): serialize() #1 {main} thrown in /in/ZB0uL on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.2
Fatal error: Uncaught exception 'Exception' with message 'a' in /in/ZB0uL:3 Stack trace: #0 [internal function]: A->serialize() #1 /in/ZB0uL(4): serialize(Object(A)) #2 {main} Next exception 'Exception' with message 'A::serialize() must return a string or NULL' in /in/ZB0uL:0 Stack trace: #0 /in/ZB0uL(0): serialize() #1 {main} thrown in /in/ZB0uL on line 0
Process exited with code 255.
Output for 5.1.0 - 5.1.2
Fatal error: Uncaught exception 'Exception' with message 'a' in /in/ZB0uL:3 Stack trace: #0 [internal function]: A::serialize() #1 /in/ZB0uL(4): serialize(Object(A)) #2 {main} thrown in /in/ZB0uL on line 3
Process exited with code 255.
Output for 5.0.5
Fatal error: Interface 'Serializable' not found in /in/ZB0uL on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Fatal error: Class 'Serializable' not found in /in/ZB0uL on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/ZB0uL on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting '{' in /in/ZB0uL on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/ZB0uL on line 3
Process exited with code 255.