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<?php $o1 = new stdClass(); $o1->id = 123; $o1->title = 'test'; $o2 = new stdClass(); $o2->id = 456; $o2->title = 'test2'; $arrofobjects = [ $o1,$o2 ]; var_dump($arrofobjects); $newArr = array_map(function($obj) { return [$obj->id => $obj->title]; }, $arrofobjects); var_dump($newArr);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 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 - 8.3.4, 8.3.6
array(2) { [0]=> object(stdClass)#1 (2) { ["id"]=> int(123) ["title"]=> string(4) "test" } [1]=> object(stdClass)#2 (2) { ["id"]=> int(456) ["title"]=> string(5) "test2" } } array(2) { [0]=> array(1) { [123]=> string(4) "test" } [1]=> array(1) { [456]=> string(5) "test2" } }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array(2) { [0]=> object(stdClass)#1 (2) { ["id"]=> int(123) ["title"]=> string(4) "test" } [1]=> object(stdClass)#2 (2) { ["id"]=> int(456) ["title"]=> string(5) "test2" } } array(2) { [0]=> array(1) { [123]=> string(4) "test" } [1]=> array(1) { [456]=> string(5) "test2" } }

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