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<?php $csv = [ ['s1','n1','description 1', 'Helmets'], ['s1','n1','description 1a', 'Helmets'], ['s2','n1','description 2', 'Gloves'], ['s2','n1','description 2a', 'Gloves'], ]; $catMap = [ 'Helmets' => 30, 'Gloves' => 20, ]; $result = []; foreach($csv as $row){ //#1 trimming: $row = array_map('trim', $row); $sku = $row[0]; //#2 cat remapping assert(isset($catMap[$row[3]])); $row[3] = $catMap[$row[3]]; //combining if(isset($result[$sku])){ $result[$sku][2] .= ' ' . $row[2]; }else{ $result[$sku] = $row; } }; var_dump($result);
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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(2) { ["s1"]=> array(4) { [0]=> string(2) "s1" [1]=> string(2) "n1" [2]=> string(28) "description 1 description 1a" [3]=> int(30) } ["s2"]=> array(4) { [0]=> string(2) "s2" [1]=> string(2) "n1" [2]=> string(28) "description 2 description 2a" [3]=> int(20) } }
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(2) { ["s1"]=> array(4) { [0]=> string(2) "s1" [1]=> string(2) "n1" [2]=> string(28) "description 1 description 1a" [3]=> int(30) } ["s2"]=> array(4) { [0]=> string(2) "s2" [1]=> string(2) "n1" [2]=> string(28) "description 2 description 2a" [3]=> int(20) } }

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