<?php
$a= array(
'mela' => 'pera',
'pippo'=> 'pera',
);
$b= array_diff_key( $a , array_unique( $a ) );
$i=0;
print_r($b);
print_r($b[1]);
- Output for 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
)
Warning: Undefined array key 1 in /in/ZV6cK on line 12
- Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
- Array
(
[pippo] => pera
)
Notice: Undefined offset: 1 in /in/ZV6cK on line 12
- Output for 7.3.32 - 7.3.33
- Array
(
[pippo] => pera
)
- Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
- Array
(
[pippo] => pera
)
Notice: Undefined offset: 1 in /in/ZV6cK on line 12
- Output for 5.0.0 - 5.0.5
- Fatal error: Call to undefined function array_diff_key() in /in/ZV6cK on line 9
Process exited with code 255. - Output for 4.4.5 - 4.4.9
- Fatal error: Call to undefined function: array_diff_key() in /in/ZV6cK on line 9
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/ZV6cK on line 9
Process exited with code 255. - Output for 4.3.0 - 4.3.1
- Fatal error: Call to undefined function: array_diff_key() in /in/ZV6cK on line 9
preferences:
261.73 ms | 401 KiB | 357 Q