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This feature being asked for has now been added to PHP 7. If you use new to create items in an array, you may not get the results you want since the parameters to array will be copies of the original and not references. in php 7.2 this code works despite documentation said it gives false Also, all three will json_encode() to a simple JS object {}:If you want to create object (like in javascript) with dynamic properties, without receiving a warning of undefined property, when you haven't set a value to property No - because javascript uses prototypes/direct declaration of objects - in PHP (and many other OO languages) an object can only be created from a class.So the question becomes - can you create an anonymous class.Again the answer is no - how would you instantiate the class without being able to reference it?Thanks for contributing an answer to Stack Overflow! # (don't use $x->0, which is obviously a syntax error)
If an object is converted to an object, it is not modified.If a value of any other type is converted to an object, a new instance of the stdClass built-in class is created. As we know, creating anonymous objects in JavaScript is easy, like the code below:Can this same technique be applied in PHP? "Anonymous" is not the correct terminology when talking about objects. By using our site, you acknowledge that you have read and understand our Would you like to post an answer on StackOverflow here on this page to help future visitors?I don't need to; there is already an answer with this info (see below, by @Rizier123). "Anonymous" is not the correct terminology when talking about objects.

To create an object with values, in javascript you would use `{key: value}`. Home » Php » php – Create a Laravel Request object on the fly. The example below creates a new file called "testfile.txt". Converting to object. object(class@anonymous)#1 (1) { ["Command line code0x104c5b612":"class@anonymous":private]=> int(10) } Nesting an anonymous class within another class does not give it access to any private or protected methods or properties of that outer class. // outputs 'bool(true)' as of PHP 7.2.0; 'bool(false)' previously// outputs 'string(1) "1"' as of PHP 7.2.0; 'int(1)' previously
@Simba - Thanks for pointing it out. If you need to force json_encode() to produce an object even when an array is empty or does not have successive 0-based numeric indices, you can simply convert the array to an object. Featured on Meta Can we create anonymous objects in PHP?It has been some years, but I think I need to keep the information up to date!Since PHP 7 it has been possible to create anonymous classes, so you're able to do things like this:But I don't know how similar it is implemented to JavaScript, so there may be a few differences between anonymous classes in JavaScript and PHP. You can create [recursive] objects with something like: It would be better to say "object of anonymous type", but this does not apply to PHP.. All objects in PHP have a class. Questions: I’m handling data in one controller and want to pass it further into another controller to avoid duplicate code. Where developers & technologists share private knowledge with coworkersProgramming & related technical career opportunitiesNote: this is an old question, so the accepted answer is out-of-date. If you use fopen() on a file that does not exist, it will create it, given that the file is opened for writing (w) or appending (a)..

Can you do that with your approach?How's that different from going $someObj = new \stdClass()?You don't need a name to create an instance of an anonymous class. Casting an object from a class with private/protected attributes results a stdClass with a private/protected attribute for get.// output: object(stdClass)#3 (2) { ["priv:private"]=> int(1) ["pub"]=> int(2) } i would like to share a curious behavior on casted objects. I put together a quick demo (code below) that shows what happens when I use Object.create to create a new object based on one that has a privileged method. It would be better to say "object of anonymous All objects in PHP have a class.

Maybe a little confusing, but in PHP, a file is created using the same function used to open files. The outcome is not pleasant, as changing the value in the first object also changes it in the second. By far the easiest and correct way to instantiate an empty generic php object that you can then modify for whatever purpose you choose: The "default" class is However, be advised that casting an array to an object is likely to yield "interesting" results for those array keys that are not valid PHP variable names -- for example, Up until recently this is how I created objects on the fly.Of course if you already know the properties and values you can set them inside as has been mentioned:NB: I don't know which versions of PHP this works on so you would need to be mindful of that. Stack Overflow for Teams is a private, secure spot for you and Initialization, Instantiation and Instances are terms that can be confusing at first. This has got me into trouble in the past when I've tried to make arrays of objects. You can create a new object using the built-in stdClass or by using type-casting:// You can type-cast in the middle of an expression// this function expects an object as the argument and returns some output @risyasin Thanks, updated the answer and put the manual link in it.Marking your answer as correct to keep up with latest changes in php7. But I think the first approach (which is also short if there are no properties to set at construction) should work for all versions that have json_encode/json_decodeIf you wish to mimic JavaScript, you can create a class The visibility declaration on properties cannot be omitted (I just used Like JavaScript, you can also define methods for the class:$obj1 and $obj3 are the same type, but $obj1 !== $obj3. another way to instantiate an empty generic php object: Thanks @Rizier123This is interesting but it doesn't really address the question, as the OP was asking about a convenient way to initialise an object with various members without creating a class. As of PHP 5.4, we can create stdClass objects with some properties and values using the more beautiful form: In PHP you use `[key=>value]`.

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