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<?php $arr = [ [0=> 0.5], [1 => 0.9], [1 => 0.6], [0 => 0.3] ]; $res = []; foreach($arr as $inner) { foreach($inner as $key=>$val) { $res[$key][] = $val; } } print_r($res);
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 - 8.3.26, 8.4.1 - 8.4.13
Array ( [0] => Array ( [0] => 0.5 [1] => 0.3 ) [1] => Array ( [0] => 0.9 [1] => 0.6 ) )
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] => 0.5 [1] => 0.3 ) [1] => Array ( [0] => 0.9 [1] => 0.6 ) )

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