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<?php $ar = Array ( 0 =>'{"a":"b", "c":"d", "h":"e"}', 1 =>'{"a":"b", "f":"g"}' ); foreach($ar as $in=>&$js){ $ar[$in] = json_decode($js,true); } print_r($ar); $diff = array_diff($ar[1],array_diff($ar[1],$ar[0])); print_r($diff); foreach($diff as $ind=>$uns){ unset($ar[1][$ind]); } print_r($ar); foreach($ar as $in=>&$js){ $ar[$in] = json_encode($js); } print_r($ar);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => Array ( [a] => b [c] => d [h] => e ) [1] => Array ( [a] => b [f] => g ) ) Array ( [a] => b ) Array ( [0] => Array ( [a] => b [c] => d [h] => e ) [1] => Array ( [f] => g ) ) Array ( [0] => {"a":"b","c":"d","h":"e"} [1] => {"f":"g"} )

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