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<?php $inputNumbers = [1,2,3,3,4,5,6,1]; $result = []; foreach($inputNumbers as $number){ if(isset($result[$number])){ $result[$number] = $result[$number] + 1; }else{ $result[$number] = 1; } } sort($result); $formatedResult = []; foreach($result as $number => $count){ $formatedResult[] = [$number,$count]; } var_dump($formatedResult);
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(6) { [0]=> array(2) { [0]=> int(0) [1]=> int(1) } [1]=> array(2) { [0]=> int(1) [1]=> int(1) } [2]=> array(2) { [0]=> int(2) [1]=> int(1) } [3]=> array(2) { [0]=> int(3) [1]=> int(1) } [4]=> array(2) { [0]=> int(4) [1]=> int(2) } [5]=> array(2) { [0]=> int(5) [1]=> int(2) } }
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(6) { [0]=> array(2) { [0]=> int(0) [1]=> int(1) } [1]=> array(2) { [0]=> int(1) [1]=> int(1) } [2]=> array(2) { [0]=> int(2) [1]=> int(1) } [3]=> array(2) { [0]=> int(3) [1]=> int(1) } [4]=> array(2) { [0]=> int(4) [1]=> int(2) } [5]=> array(2) { [0]=> int(5) [1]=> int(2) } }

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