PHP - get properties of an object in an array?

Question

I have an multiple array ($result) which has objects in it. The array was returned from a function (made by someone I can't communicate now).

When I test the array with print_r($result[0]), it turns out to have embedded objects.

ABC Object ( 
    [p1] => P1 Object ( 
        [p1-1] => P1_property1 
        [p1-2] => P1_property2 
        [p1-3] => P1_property3
    ) 
    [p2] => ABC_property2 
    [p3] => ABC_property3 
    [p4] => ABC_property4
)

How can I fetch the Strings "P1_property1" to "P1_property3" and "ABC_property2" to "ABC_property4"?

I'm new to PHP, waiting for help!

@hovmand: Not if it's an object, and not an array. It'd have to be $result[0]->p1->{'p1-1'} — gen_Eric
– gen_Eric, Commented May 10, 2012 at 21:43
@Rocket: Of course, will this work too? $result[0]::p1::p1-1, and why the brackets around p1-1? — hovmand
– hovmand, Commented May 10, 2012 at 21:45
@hovmand: That's not what :: is used for, it's for static properties. The brackets are because ->p1->p1-1 would be a problem because of the '-'. — gen_Eric
– gen_Eric, Commented May 10, 2012 at 21:46
@Rocket Thanks a lot!! this work, also, $result[0]->{'p2'} is for the properties not embedded in an object. Thanks for the clever tip. — clerksx
– clerksx, Commented May 10, 2012 at 23:40

Sampson · Accepted Answer · 2012-05-10 21:51:12Z

5

Sounds like you want get_object_vars(), which will return an array of accessible properties.

class foo {
  public $bar = "foo";
  private $bor = "fizz";
}

$properties = get_object_vars( new foo() );

print_r( $properties );

Which outputs:

Array
(
    [bar] => foo
)

edited May 10, 2012 at 21:51

answered May 10, 2012 at 21:45

Sampson

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1 Comment

clerksx Over a year ago

Thanks! but I wanted to just to get the string of the properties. the comments below my original question works great.

clayjar · Accepted Answer · 2012-05-10 21:52:34Z

3

Try using this to figure out what the contents of those variables are:

var_dump(get_object_vars($result[0]));

answered May 10, 2012 at 21:52

clayjar

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1 Comment

clerksx Over a year ago

Thanks! but I wanted to just to get the string of the properties. the comments below my original question works great.

Silah Kosgei · Accepted Answer · 2019-05-23 11:20:13Z

1

This function return all the properties in a class

function get_object_public_vars($object) {
    return get_object_vars($object);
}

edited May 23, 2019 at 11:20

answered May 23, 2019 at 1:46

Silah Kosgei

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1 Comment

Nico Haase Over a year ago

This has been given in the other answers already - what's the need of duplicating them?

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