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<?php $class = new stdClass; $class->properties = [new stdClass,new stdClass, new stdClass]; $class->properties[0]->name = "Anne"; $class->properties[1]->name = "Bob"; $class->properties[2]->name = "Robin"; $fieldsA = []; $fieldsB = []; if ( array_walk( $class->properties, function( $o ) use ( &$fieldsA ){ $fieldsA[] = $o->name; }) ) { echo "\nMission accomplished:\n"; var_dump($fieldsA); } $fieldsB = array_map( function( $e ) { return $e->name; },$class->properties); if (count($fieldsB) > 0) { echo "\nMission accomplished:\n"; var_dump( $fieldsB ); }
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 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
Mission accomplished: array(3) { [0]=> string(4) "Anne" [1]=> string(3) "Bob" [2]=> string(5) "Robin" } Mission accomplished: array(3) { [0]=> string(4) "Anne" [1]=> string(3) "Bob" [2]=> string(5) "Robin" }
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 Mission accomplished: array(3) { [0]=> string(4) "Anne" [1]=> string(3) "Bob" [2]=> string(5) "Robin" } Mission accomplished: array(3) { [0]=> string(4) "Anne" [1]=> string(3) "Bob" [2]=> string(5) "Robin" }

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