3v4l.org

run code in 300+ PHP versions simultaneously
<?php class x{ protected $xx; public function __construct(){ $this->xx ='X'; echo $this->xx; } } class y extents x { public function __construct(){ } } (new y)
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected 'extents' (T_STRING), expecting '{' in /in/5Mc9v on line 9
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/5Mc9v on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING, expecting '{' in /in/5Mc9v on line 9
Process exited with code 255.
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/5Mc9v on line 4
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/5Mc9v on line 4
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/5Mc9v on line 4
Process exited with code 255.
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