$code = preg_replace_callback( array( "/EXECUTE_DATA/m", "/ZEND_VM_DISPATCH_TO_HANDLER\(\s*([A-Z_]*)\s*\)/m", "/ZEND_VM_DISPATCH_TO_HELPER\(\s*([A-Za-z_]*)\s*\)/m", "/ZEND_VM_DISPATCH_TO_HELPER_EX\(\s*([A-Za-z_]*)\s*,\s*[A-Za-z_]*\s*,\s*(.*)\s*\);/m", ), function($matches) use ($spec, $prefix, $op1, $op2) { if (strncasecmp($matches[0], "EXECUTE_DATA", strlen("EXECUTE_DATA")) == 0) { return "execute_data"; } else if (strncasecmp($matches[0], "ZEND_VM_DISPATCH_TO_HANDLER", strlen("ZEND_VM_DISPATCH_TO_HANDLER")) == 0) { return "return " . $matches[1] . ($spec?"_SPEC":"") . $prefix[$op1] . $prefix[$op2] . "_HANDLER(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU)"; } else if (strncasecmp($matches[0], "ZEND_VM_DISPATCH_TO_HELPER_EX", strlen("ZEND_VM_DISPATCH_TO_HELPER_EX")) == 0) { return "return " . helper_name($matches[1], $spec, $op1, $op2) . "(" . $matches[2]. ", ZEND_OPCODE_HANDLER_ARGS_PASSTHRU);"; } else { return "return " . helper_name($matches[1], $spec, $op1, $op2) . "(ZEND_OPCODE_HANDLER_ARGS_PASSTHRU)"; } }, $code);