{"id":12342,"date":"2022-09-30T12:30:02","date_gmt":"2022-09-30T07:00:02","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-php-array-intersect-and-merge\/"},"modified":"2022-09-30T12:30:02","modified_gmt":"2022-09-30T07:00:02","slug":"solved-php-array-intersect-and-merge","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-php-array-intersect-and-merge\/","title":{"rendered":"[Solved] php – array intersect and merge"},"content":{"rendered":"

[ad_1]
\n<\/p>\n

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<\/div>\n
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When number of other values is just one: <\/p>\n

$array = [\n    ['xx', 123],\n    ['xx', 523],\n    ['xx', 783],\n    ['yy', 858],\n    ['yy', 523],\n    ['xx', 235],\n];\n\n\n$result = [];\nforeach ($array as $row) {\n    list($key, $value) = $row;\n    if (!array_key_exists($key, $result)) {\n        $result[$key] = [$key];\n    }\n    $result[$key][] = $value;\n}\n<\/code><\/pre>\n
More generic solution for any number of other values:<\/p>\n
$array = [\n    ['xx'],\n    ['xx', 523],\n    ['xx', 783, 111],\n    ['yy', 858, 222, 333],\n    ['yy', 523, 444, 555, 666],\n    ['xx', 235, 777, 888],\n];\n\n$result = [];\nforeach ($array as $row) {\n    $key = array_shift($row);\n    if (!array_key_exists($key, $result)) {\n        $result[$key] = [$key];\n    }\n    $result[$key] = array_merge($result[$key], $row);\n}\n<\/code><\/pre>\n
Also, in the last case array_merge()<\/code> may be replaced by array_push()<\/code> with unpacked arguments:<\/p>\n
if (sizeof($row) > 0) {\n    array_push($result[$key], ...$row);\n}\n<\/code><\/pre>\n<\/p><\/div>\n
<\/div>\n<\/div>\n
            <\/span> <\/p><\/div>\n<\/div>\n
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solved php – array intersect and merge <\/p>\n","protected":false},"excerpt":{"rendered":"
[ad_1] When number of other values is just one: $array = [ [‘xx’, 123], [‘xx’, 523], [‘xx’, 783], [‘yy’, 858], [‘yy’, 523], [‘xx’, 235], ]; $result = []; foreach ($array as $row) { list($key, $value) = $row; if (!array_key_exists($key, $result)) { $result[$key] = [$key]; } $result[$key][] = $value; } More generic solution for any number … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[361,339],"class_list":["post-12342","post","type-post","status-publish","format-standard","hentry","category-solved","tag-arrays","tag-php"],"yoast_head":"\n[Solved] php - array intersect and merge - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-php-array-intersect-and-merge\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] php - array intersect and merge - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] When number of other values is just one: $array = [ ['xx', 123], ['xx', 523], ['xx', 783], ['yy', 858], ['yy', 523], ['xx', 235], ]; $result = []; foreach ($array as $row) { list($key, $value) = $row; if (!array_key_exists($key, $result)) { $result[$key] = [$key]; } $result[$key][] = $value; } More generic solution for any number ... 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$result = []; foreach ($array as $row) { list($key, $value) = $row; if (!array_key_exists($key, $result)) { $result[$key] = [$key]; } $result[$key][] = $value; } More generic solution for any number ... 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