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<?php class Test{ const ABC♥ = "love"; } $class = new ReflectionClass("Test"); $bad_char = "♥"; $constant = "ABC♥"; if ( $class->getConstant( $constant ) ) { if ( mb_strpos( $constant, $bad_char) !== false ) { trigger_error( "Bad Usage: $bad_char" ); } }
based on Lh5T1
Output for 5.0.0 - 7.1.0
Notice: Bad Usage: ♥ in /in/m8iaS on line 9
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/m8iaS on line 2
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_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/m8iaS on line 2
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/m8iaS on line 2
Process exited with code 255.