We help IT Professionals succeed at work.
Get Started

PHP PDO, question about bindValue() and bindParam()

elepil asked
Last Modified: 2015-03-18
From my experimentations, bindValue() seems to be able to take ANYTHING. For example, all the following work without issuing an error message:

$stmt->bindValue(:firstname, $a);
$stmt->bindValue(:firstname, 1);
$stmt->bindValue(:firstname, "1");
$stmt->bindValue(:firstname, "Jo" + "hn");
$stmt->bindValue("firstname, 100-99);

Open in new window

Now I know some of the above are nonsensical since even though the placeholder is :firstname, I'm passing all kinds of crud to it without getting any kind of MySQL error. I can even pass in numeric and string values, even string concatenations and numeric calculations, and the query would execute smoothly.

So what is bindParam() even for? Does anyone even use it?? If so, for what?

Watch Question
PHP/Phyton Developer
This problem has been solved!
Unlock 2 Answers and 3 Comments.
See Answers
Why Experts Exchange?

Experts Exchange always has the answer, or at the least points me in the correct direction! It is like having another employee that is extremely experienced.

Jim Murphy
Programmer at Smart IT Solutions

When asked, what has been your best career decision?

Deciding to stick with EE.

Mohamed Asif
Technical Department Head

Being involved with EE helped me to grow personally and professionally.

Carl Webster
CTP, Sr Infrastructure Consultant
Ask ANY Question

Connect with Certified Experts to gain insight and support on specific technology challenges including:

  • Troubleshooting
  • Research
  • Professional Opinions
Did You Know?

We've partnered with two important charities to provide clean water and computer science education to those who need it most. READ MORE