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run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(class_exists("TestClass")); class TestClass implements JsonSerializable { function __construct() { var_dump(__METHOD__); } public function jsonSerialize() { return null; } }
Output for 5.4.0 - 7.1.0
bool(false)
Output for 5.0.5 - 5.3.29
bool(false) Fatal error: Interface 'JsonSerializable' not found in /in/DHPAq on line 4
Process exited with code 255.
Output for 5.0.0 - 5.0.4
bool(false) Fatal error: Class 'JsonSerializable' not found in /in/DHPAq on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/DHPAq on line 4
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/DHPAq on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/DHPAq on line 4
Process exited with code 255.