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<?php $a= array( 'mela' => 'pera', 'pippo'=> 'pera', 'carlo'=>'banana', 'saverio'=>'pera', 'antonio'=>'banana', ); $b= array_diff_key( $a , array_unique( $a ) ); $i=0; print_r($b); foreach($b as $c => $key){ print_r($c); print_r ('<br/>'); print_r($key); }
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 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 - 8.3.6
Array ( [pippo] => pera [saverio] => pera [antonio] => banana ) pippo<br/>perasaverio<br/>peraantonio<br/>banana
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function array_diff_key() in /in/Ir8QB on line 16
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_diff_key() in /in/Ir8QB on line 16
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: array_diff_key() in /in/Ir8QB on line 16
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_diff_key() in /in/Ir8QB on line 16
preferences:
243.01 ms | 401 KiB | 459 Q