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<?php $array = range(1, 10); $chunks = []; $chunkSize = 3; while ($array) { $chunkSize = 5 - $chunkSize; $chunks[] = array_splice($array, 0, $chunkSize); } var_export($chunks);
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.25, 8.4.1 - 8.4.12
array ( 0 => array ( 0 => 1, 1 => 2, ), 1 => array ( 0 => 3, 1 => 4, 2 => 5, ), 2 => array ( 0 => 6, 1 => 7, ), 3 => array ( 0 => 8, 1 => 9, 2 => 10, ), )
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 ( 0 => array ( 0 => 1, 1 => 2, ), 1 => array ( 0 => 3, 1 => 4, 2 => 5, ), 2 => array ( 0 => 6, 1 => 7, ), 3 => array ( 0 => 8, 1 => 9, 2 => 10, ), )

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