Bug #66116 [Opn->Nab]: Cloning object leaving resource reference

Edit report at https://bugs.php.net/bug.php?id=66116&edit=1 ID: 66116 Updated by: requinix@php.net Reported by: joni2back at gmail dot com Summary: Cloning object leaving resource reference -Status: Open +Status: Not a bug Type: Bug Package: Variables related Operating System: Debian 6 PHP Version: Irrelevant Block user comment: N Private report: N New Comment: Thank you for taking the time to write to us, but this is not a bug. Please double-check the documentation available at http://www.php.net/manual/ and the instructions on how to report a bug at http://bugs.php.net/how-to-report.php Clones are not deep copies. You are responsible for "cloning" resources and the like via __clone(). http://www.php.net/language.oop5.cloning Previous Comments: ------------------------------------------------------------------------ [2013-11-19 11:47:11] joni2back at gmail dot com Description: ------------ When object is cloned and it have a property that handle resource The resource is not cloned, remains the same of the previous instance This could affect dependence resource options (for example setting curl url in an instance will set all cloned instnaces, closing file, etc) Test script: --------------- <?php class ResourceA { public $resource, $id; function __construct() { //for example i use curl resource to change and view handler options $this->id = md5(rand()); $this->resource = curl_init(); curl_setopt($this->resource, CURLOPT_URL, $this->id); } } class ResourceB extends ResourceA { } /** ******************************************** **/ $resourceA = new ResourceA; $resourceB = new ResourceB; $resourceC = clone $resourceA; //Setting an option to this resource shouldn't affect ResourceA resource that was cloned $resourceC->id = md5(rand()); curl_setopt($resourceC->resource, CURLOPT_URL, $resourceC->id); print_r(array( array($resourceA, 'RESOURCEPROP_'.curl_getinfo($resourceA->resource, CURLINFO_EFFECTIVE_URL)), array($resourceB, 'RESOURCEPROP_'.curl_getinfo($resourceB->resource, CURLINFO_EFFECTIVE_URL)), array($resourceC, 'RESOURCEPROP_'.curl_getinfo($resourceC->resource, CURLINFO_EFFECTIVE_URL)), )); ######################OUTPUT####################### Array ( [0] => ResourceA Object ( [resource] => Resource id #1 [id] => 934e1b0a64a6891959c68c254282d177 ) //This was affected by reference $resourceC->id = md5(rand()); [1] => RESOURCEPROP_2188ba855d89b48713a0dc4fecb2c8a9 ) Array ( [0] => ResourceB Object ( [resource] => Resource id #2 [id] => f11b5e72957e4d173f1ae86f34dd7f63 ) [1] => RESOURCEPROP_f11b5e72957e4d173f1ae86f34dd7f63 ) Array ( [0] => ResourceA Object ( //The resource remains the same (is not Resource id #3) [resource] => Resource id #1 //curl_setopt($resourceC->resource, CURLOPT_URL, $resourceC->id); [id] => 2188ba855d89b48713a0dc4fecb2c8a9 ) //$resourceC->id = md5(rand()) [1] => RESOURCEPROP_2188ba855d89b48713a0dc4fecb2c8a9 ) Expected result: ---------------- The resource should clone $obj1->resource = Resource id #1 $obj2 = clone $obj $obj2->resource = Resource id #2 Actual result: -------------- The resource remains the same $obj1->resource = Resource id #1 $obj2 = clone $obj $obj2->resource = Resource id #1 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=66116&edit=1