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<?php $albums = ['1','2','3','4','5','6','7','8','9','10','11','12']; $incr = 1; $section_id = 1; $sections = []; foreach ($albums as $album) { $small = ($incr % 2 == 0 && $section_id % 2 != 0) || $incr % 3 == 0; if ($section_id % 2 == 0) { $small = !$small; } $sections[$section_id][($small ? 'small' : 'big')][] = [ 'id' => $album, ]; if ($incr % 3 == 0) { $section_id++; } $incr++; } print_r($sections);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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
Array ( [1] => Array ( [big] => Array ( [0] => Array ( [id] => 1 ) ) [small] => Array ( [0] => Array ( [id] => 2 ) [1] => Array ( [id] => 3 ) ) ) [2] => Array ( [small] => Array ( [0] => Array ( [id] => 4 ) [1] => Array ( [id] => 5 ) ) [big] => Array ( [0] => Array ( [id] => 6 ) ) ) [3] => Array ( [big] => Array ( [0] => Array ( [id] => 7 ) ) [small] => Array ( [0] => Array ( [id] => 8 ) [1] => Array ( [id] => 9 ) ) ) [4] => Array ( [small] => Array ( [0] => Array ( [id] => 10 ) [1] => Array ( [id] => 11 ) ) [big] => Array ( [0] => Array ( [id] => 12 ) ) ) )
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 ( [1] => Array ( [big] => Array ( [0] => Array ( [id] => 1 ) ) [small] => Array ( [0] => Array ( [id] => 2 ) [1] => Array ( [id] => 3 ) ) ) [2] => Array ( [small] => Array ( [0] => Array ( [id] => 4 ) [1] => Array ( [id] => 5 ) ) [big] => Array ( [0] => Array ( [id] => 6 ) ) ) [3] => Array ( [big] => Array ( [0] => Array ( [id] => 7 ) ) [small] => Array ( [0] => Array ( [id] => 8 ) [1] => Array ( [id] => 9 ) ) ) [4] => Array ( [small] => Array ( [0] => Array ( [id] => 10 ) [1] => Array ( [id] => 11 ) ) [big] => Array ( [0] => Array ( [id] => 12 ) ) ) )

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