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<?php $arr = array( Array ( "0" => "sue", "1" => "salem", "2" => 30 ), Array ( "0" => "bob", "1" => "salem", "2" => 10 ), Array ( "0" => "sue", "1" => "benton", "2" => 2 ), Array ( "0" => "bob", "1" => "benton", "2" => 30 )); $keys = ["name", "locn", "sales"]; Foreach($arr as &$subarr){ $res[$subarr[1]][] = array_combine($keys, $subarr); } $prev_city =""; foreach($res as $city => $sales_array){ echo 'LOCN: ' . $city . " <br>\n"; foreach($sales_array as $sales){ echo ' NAME: ' . $sales['name'] . ' - ' . $sales['sales'] . " <br>\n"; } echo "<br>\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
LOCN: salem <br> NAME: sue - 30 <br> NAME: bob - 10 <br> <br> LOCN: benton <br> NAME: sue - 2 <br> NAME: bob - 30 <br> <br>

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