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IDProjectCategoryView StatusDate SubmittedLast Update
0002376XdebugUncategorizedpublic2025-10-26 13:542025-11-06 16:23
ReporterHypeMC Assigned Toderick  
PrioritynormalSeverityminorReproducibilityalways
Status resolvedResolutionno change required 
Summary0002376: Variables not shown when lazy objects are used
Description

Product version is 3.4.7-dev, but it's not in the select menu.

When using PHP's lazy objects, the variable list in the PHPStorm debugger occasionally appears empty.
This happens before the lazy object is initialized.

Here's a simple example:

class Example
{
    public function __construct(public int $prop)
    {
        echo __METHOD__, "\n";
    }
}

(function () {
    $reflector = new ReflectionClass(Example::class);

    $lazyObject = $reflector->newLazyGhost(function (Example $object) {
        // Initialize object in-place
        $object->__construct(1);
    });

    var_dump($lazyObject);

    var_dump($lazyObject->prop);
})();
Steps To Reproduce
  1. Set a breakpoint before the lazy object is initialized (e.g. at the first var_dump() call).
  2. Start debugging.
  3. Observe that the variable list in PHPStorm is empty (see image 1).
  4. Continue execution until the object is initialized.
  5. After initialization, both $reflector and $lazyObject appear correctly in the debugger (see image 2).
TagsNo tags attached.
Attached Files
image_1.png (56,014 bytes)   
image_1.png (56,014 bytes)   
image_2.png (61,579 bytes)   
image_2.png (61,579 bytes)   
Operating SystemUbuntu 22.04
PHP Version8.4.10-8.4.19

Activities

derick

2025-11-06 16:23

administrator   ~0007396

Like 0002377, this also seems to be a PhpStorm issue. It works fine with VS Code, and with PhpStorm, Xdebug does send the variables over when it's at that first var_dump():

[2266130] [Step Debug] -> <response xmlns="urn:debugger_protocol_v1" xmlns:xdebug="https://xdebug.org/dbgp/xdebug" command="context_get" transaction_id="23" context="0"><property name="$lazyObject" fullname="$lazyObject" type="object" facet="lazy-ghost"></property><property name="$reflector" fullname="$reflector" type="object" classname="ReflectionClass" children="1" numchildren="1" page="0" pagesize="100"><property name="name" fullname="$reflector-&gt;name" facet="public" type="string" size="7" encoding="base64"><![CDATA[RXhhbXBsZQ==]]></property></property></response>

Issue History

Date Modified Username Field Change
2025-10-26 13:54 HypeMC New Issue
2025-10-26 13:54 HypeMC File Added: image_1.png
2025-10-26 13:54 HypeMC File Added: image_2.png
2025-11-06 16:23 derick Assigned To => derick
2025-11-06 16:23 derick Status new => resolved
2025-11-06 16:23 derick Resolution open => no change required
2025-11-06 16:23 derick Note Added: 0007396