Online PHP editor | refs for dfQkV

<?php $ArrayIterator = new ArrayIterator([1,2,3]); var_dump( $ArrayIterator->asort() ); var_dump( $ArrayIterator->ksort() ); var_dump( $ArrayIterator->natcasesort() ); var_dump( $ArrayIterator->natsort() ); var_dump( $ArrayIterator->uasort( function() { return 0; } ) ); var_dump( $ArrayIterator->uksort( function() { return 0; } ) ); $ArrayObject = new ArrayObject([1,2,3]); var_dump( $ArrayObject->asort() ); var_dump( $ArrayObject->ksort() ); var_dump( $ArrayObject->natcasesort() ); var_dump( $ArrayObject->natsort() ); var_dump( $ArrayObject->uasort( function() { return 0; } ) ); var_dump( $ArrayObject->uksort( function() { return 0; } ) ); $RecursiveArrayIterator = new RecursiveArrayIterator([1,2,3]); var_dump( $RecursiveArrayIterator->asort() ); var_dump( $RecursiveArrayIterator->ksort() ); var_dump( $RecursiveArrayIterator->natcasesort() ); var_dump( $RecursiveArrayIterator->natsort() ); var_dump( $RecursiveArrayIterator->uasort( function() { return 0; } ) ); var_dump( $RecursiveArrayIterator->uksort( function() { return 0; } ) );