php - Assembling a two-dimensional array into a string in a specific orderGet the solution ↓↓↓
help, I can’t think of an algorithm for assembling an array, there is such an array
$f_v = [ // 0 => [ // 1 => [ // '1fv1', // '1fv2', // ] // ], 2 => [ 1 => [ '1fv1', '1fv2', ], 2 => [ '2fv1', '2fv2', ], 3 => [ '3fv1', '3fv2', ] ] ];
I need to collect them into a string in the order in which they go in these arrays
/* * 1fv1/2fv1/3fv1 * 1fv1/2fv2/3fv1 * 1fv1/2fv1/3fv2 * and so on.... * 1fv2/2fv2/3fv2 <- this should be the last combination */
Sorry if the question is stupid, but I've been sitting all day and can't figure out how to do it :(
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