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Changes between Initial Version and Version 1 of Ticket #43844, comment 12

initial	v1
1	1	@javorszky Please help me out. I've been looking at the code related to this and I cannot find the code using the PHP `list` construct which is related to this behaviour which you refer to.
2	2
3		The class calls the `get_sortable_columns()` method on line 1019, filters it and then walks through it and correctly takes both string as well as array input into account as is attested by the `$data = (array) $data` on line 1038 and will set array key `1` ~~(orderby)~~ to `false` if it's not found, so it's quite unclear to me how what you refer to is even possible (error-wise).
	3	The class calls the `get_sortable_columns()` method on line 1019, filters it and then walks through it and correctly takes both string as well as array input into account as is attested by the `$data = (array) $data` on line 1038 and will set array key `1` to `false` if it's not found, so it's quite unclear to me how what you refer to is even possible (error-wise).
4	4
5	5	See: https://core.trac.wordpress.org/browser/trunk/src/wp-admin/includes/class-wp-list-table.php#L1019-L1044