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<?php $array_1 = array( 'apple'=>1,'banana'=>2,'coconut'=> 3); $array_2 = array( 'apple'=>2,'banana'=>3,'coconut'=> 4); foreach( $array_1 as $fruit => $num) { if(array_key_exists($fruit, $array_2)){ //check if key from array_1 exists in array_2 $final_array[] = array($fruit => $array_1[$fruit].','.$array_2[$fruit]); //concatenate values from shared key } } print_r ($final_array);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => Array ( [apple] => 1,2 ) [1] => Array ( [banana] => 2,3 ) [2] => Array ( [coconut] => 3,4 ) )

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