diff options
Diffstat (limited to 'zend/eval.cpp')
-rw-r--r-- | zend/eval.cpp | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/zend/eval.cpp b/zend/eval.cpp new file mode 100644 index 0000000..4632fff --- /dev/null +++ b/zend/eval.cpp @@ -0,0 +1,68 @@ +/** + * Eval.cpp + * + * This file holds the implementation for the Php::eval() function + * + * @author andot <https://github.com/andot> + */ + +/** + * Dependencies + */ +#include "includes.h" + +/** + * Open PHP namespace + */ +namespace Php { + +/** + * Evaluate a PHP string + * @param phpCode The PHP code to evaluate + * @return Value The result of the evaluation + */ +Value eval(const std::string &phpCode) +{ + // we need the tsrm_ls variable + TSRMLS_FETCH(); + + // the current exception + zval* oldException = EG(exception); + + // the return zval + zval* retval = nullptr; + if (zend_eval_stringl_ex((char *)phpCode.c_str(), (int32_t)phpCode.length(), retval, (char *)"", 1 TSRMLS_CC) != SUCCESS) + { + // Do we want to throw an exception here? The original author + // did, but there are some reasons not to: + // + // 1. the PHP eval() function also does not throw exceptions. + // + // 2. the zend_eval_string() function already triggers a + // 'PHP parse error' when an error occurs, which also has + // to be handled. If we also throw an exception here, the + // user will have to write two error checks: for the error + // and the exception. + // + // if we _do_ want to throw an exception, we will first have to + // prevent the original zend_error to occur, and then turn it + // into an exception. An exception would be nicer from a C++ + // point of view, but because of the extra complexity, we do not + // this for now. + return nullptr; + } + else + { + // was an exception thrown inside the eval()'ed code? In that case we + // throw a C++ new exception to give the C++ code the chance to catch it + if (oldException != EG(exception) && EG(exception)) throw OrigException(EG(exception) TSRMLS_CC); + + // no (additional) exception was thrown + return retval ? Value(retval) : nullptr; + } +} + +/** + * End of namespace + */ +} |