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run code in 200+ php & hhvm versions
Bugs & Features
<?php interface IA {} class A implements IA {} var_dump( is_a( 'A', 'IA', true ) );
Output for 5.3.9 - 7.2.0
bool(true)
Output for 5.3.0 - 5.3.8
Warning: is_a() expects exactly 2 parameters, 3 given in /in/fqOva on line 8 NULL
Output for 5.0.0 - 5.2.17
Strict Standards: is_a(): Deprecated. Please use the instanceof operator in /in/fqOva on line 8 Warning: Wrong parameter count for is_a() in /in/fqOva on line 8 NULL
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/fqOva 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 in /in/fqOva on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/fqOva on line 3
Process exited with code 255.