Solved

php: Select object property with a dynamic name ($obj->dynamicNameHere)?

Posted on 2012-03-29
4
433 Views
Last Modified: 2012-03-31
I should know this, but here I am. I'm trying to select an object property with a non-static name like this:

<?php
$properties = array('property1','property2','property3');
foreach($properties as $property) {
  print $theObject->[[[$property]]]
}
?>

Open in new window


Any thoughts on how to do that? I know it's probably super simple.

Thanks!!!

Chris
0
Comment
Question by:Ultrus
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 2
  • 2
4 Comments
 
LVL 10

Expert Comment

by:acbxyz
ID: 37784633
Hello Chris,

since properties are called without a dollar sign behind the arrow, you can simply use a dollar for a dynamic name. Here an example working for me:
// Defining test class
class test{
    public $variable;
}   
// Creating an instance of it
$testobj = new test();
// preset a value
$testobj->variable = 'Wert 1';
// name the variable, can be a loop or something
$varname = 'variable';
// assigning a new value to the named variable above
$testobj->$varname = 'Wert 2';
// let's see if it works
echo $testobj->variable;

Open in new window

0
 
LVL 10

Author Comment

by:Ultrus
ID: 37785033
acbxyz,
I figured it out. If you respond with "Yes, that looks great!", I'll give your response all the points. ;)

<?php
$properties = array('property1','property2','property3');
foreach($properties as $property) {
  print $theObject->{$property}
}
?>

Open in new window

0
 
LVL 10

Accepted Solution

by:
acbxyz earned 500 total points
ID: 37789279
Yes, that looks great! ;-)

If $property is a simple string variable as in this example, you even don't need the curly braces, but you can.
0
 
LVL 10

Author Closing Comment

by:Ultrus
ID: 37792189
Thanks! :D
0

Featured Post

Raise the IQ of Your IT Alerts

From IT major incidents to manufacturing line slowdowns, every business process generates insights that need to reach the people required to take action. You need a platform that integrates with your business tools to create fully enabled DevOps toolchains.

You need xMatters.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Color can increase conversions, create feelings of warmth or even incite people to get behind a cause. If you want your website to really impact site visitors, then it is vital to consider the impact color has on them.
Many old projects have bad code, but the budget doesn't exist to rewrite the codebase. You can update this code to be safer by introducing contemporary input validation, sanitation, and safer database queries.
This tutorial demonstrates how to identify and create boundary or building outlines in Google Maps. In this example, I outline the boundaries of an enclosed skatepark within a community park.  Login to your Google Account, then  Google for "Google M…
The viewer will get a basic understanding of what section 508 compliance can entail, learn about skip navigation links, alt text, transcripts, and font size controls.

717 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question