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<?php $array = [ (object) ['id' => 1, 'name' => 'hovno'], (object) ['id' => 2, 'name' => 'piča'], ]; array_walk($array, function($item) { return $item->id; }); var_dump($array); echo implode(',', $array);
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(2) { [0]=> object(stdClass)#1 (2) { ["id"]=> int(1) ["name"]=> string(5) "hovno" } [1]=> object(stdClass)#2 (2) { ["id"]=> int(2) ["name"]=> string(5) "piča" } } Fatal error: Uncaught Error: Object of class stdClass could not be converted to string in /in/eZcE3:13 Stack trace: #0 /in/eZcE3(13): implode(',', Array) #1 {main} thrown in /in/eZcE3 on line 13
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
array(2) { [0]=> object(stdClass)#1 (2) { ["id"]=> int(1) ["name"]=> string(5) "hovno" } [1]=> object(stdClass)#2 (2) { ["id"]=> int(2) ["name"]=> string(5) "piča" } } Recoverable fatal error: Object of class stdClass could not be converted to string in /in/eZcE3 on line 13
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
array(2) { [0]=> object(stdClass)#1 (2) { ["id"]=> int(1) ["name"]=> string(5) "hovno" } [1]=> object(stdClass)#2 (2) { ["id"]=> int(2) ["name"]=> string(5) "piča" } } Catchable fatal error: Object of class stdClass could not be converted to string in /in/eZcE3 on line 13
Process exited with code 255.

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