Ejemplo n.º 1
0
 /**
  *  Evaluate an expression, returning the value
  */
 public function evaluateExpression($ps_expression, $pa_variables = null)
 {
     $this->errors = array();
     $vm_ret = $this->parse($ps_expression, $pa_variables);
     ExpressionParser::$s_last_error = $this->getParseError();
     return $this->getParseError() != 0 ? null : $vm_ret;
 }