Manual do PHP PHP no Núcleo: Um guia do Hacker para a Zend Engine Zend Engine 2 Opcodes Opcode Descriptions and Examples JMPZ_EX JMPZ JMPZNZ JMPZ_EX PHP code <?php/* * Jump to the address if the xor of value1 and value2 is zero .. ??? * opcode number: 46 */ ?> PHP opcodes Function name: (null) Compiled variables: none line#op fetchextreturn operands 70 RETURN 1