Multiple php warnings on view profile page

[Mandi]

Lots of php warnings when viewing profile shows up. They are as follows

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[phpBB Debug] PHP Warning: in file [ROOT]/ext/msaulohenrique/wall/wall/zebra.php on line 263: Trying to access array offset on value of type bool
[phpBB Debug] PHP Warning: in file [ROOT]/ext/msaulohenrique/wall/wall/zebra.php on line 273: Trying to access array offset on value of type bool
[phpBB Debug] PHP Warning: in file [ROOT]/ext/msaulohenrique/wall/wall/zebra.php on line 273: Trying to access array offset on value of type bool
[phpBB Debug] PHP Warning: in file [ROOT]/ext/msaulohenrique/wall/wall/zebra.php on line 273: Trying to access array offset on value of type bool
[phpBB Debug] PHP Warning: in file [ROOT]/ext/msaulohenrique/wall/wall/zebra.php on line 274: Trying to access array offset on value of type bool
[phpBB Debug] PHP Warning: in file [ROOT]/ext/msaulohenrique/wall/wall/zebra.php on line 274: Trying to access array offset on value of type bool
[phpBB Debug] PHP Warning: in file [ROOT]/ext/msaulohenrique/wall/wall/zebra.php on line 274: Trying to access array offset on value of type bool
[phpBB Debug] PHP Warning: in file [ROOT]/ext/msaulohenrique/wall/wall/zebra.php on line 275: Trying to access array offset on value of type bool
[phpBB Debug] PHP Warning: in file [ROOT]/ext/msaulohenrique/wall/wall/gallery.php on line 91: Trying to access array offset on value of type bool
[phpBB Debug] PHP Warning: in file [ROOT]/ext/msaulohenrique/wall/wall/gallery.php on line 92: Trying to access array offset on value of type bool
[phpBB Debug] PHP Warning: in file [ROOT]/ext/msaulohenrique/wall/music/music.php on line 159: Undefined variable $data

[Mandi]

For zebra.php

Locate line 263 which looks like this:

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if ($row['user_id'] == $user_id && $row['zebra_id'] == $this->user->data['user_id'] && $row['approval'] == 1)

Replace with this:

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if ($row['user_id'] ?? 'default value' == $user_id && $row['zebra_id'] == $this->user->data['user_id'] && $row['approval'] == 1)

Locate line 273 which looks like this:

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"status"  => ($row['friend'] ? $this->user->lang('WALL_FRIENDS') : ($row['approval'] ? $this->user->lang('WALL_FRIENDS_CANCEL_REQ') : ($row['foe'] ? $this->user->lang('WALL_FRIENDS_REMOVE_BLOCK') : $this->user->lang('WALL_FRIENDS_ADD')))),

Replace with this:

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"status"  => ($row['friend'] ?? null ? $this->user->lang('WALL_FRIENDS') : ($row['approval'] ?? null ? $this->user->lang('WALL_FRIENDS_CANCEL_REQ') : ($row['foe'] ?? null ? $this->user->lang('WALL_FRIENDS_REMOVE_BLOCK') : $this->user->lang('WALL_FRIENDS_ADD')))),

Locate line 274 which looks like this:

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"icon"    => ($row['friend'] ? 'ok' : ($row['approval'] ? 'remove' : ($row['foe'] ? 'ban-circle' : 'plus'))),

Replace with this:

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"icon"    => ($row['friend'] ?? null ? 'ok' : ($row['approval'] ?? null ? 'remove' : ($row['foe'] ?? null ? 'ban-circle' : 'plus'))),

Locate line 275 which looks like this:

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"friends" => $row['friend'] ? true : false,

Replace with this:

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"friends" => $row['friend'] ?? null ? true : false,

For file gallery.php

Locate line 91 which looks like this:

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"cover"  => ($photo['photo_path'] ? $this->wall_helper->generate_wall_url('images') . $photo['wall_id'].'/'.$photo['photo_path'] : generate_board_url(). '/ext/msaulohenrique/wall/images/no_cover.png'),

Replace with this:

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"cover"  => ($photo['photo_path'] ?? null ? $this->wall_helper->generate_wall_url('images') . $photo['wall_id'].'/'.$photo['photo_path'] : generate_board_url(). '/ext/msaulohenrique/wall/images/no_cover.png'),

Locate line 92 which looks like this:

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"top"    => $photo['cover_top'],

Replace with this:

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"top"    => $photo['cover_top'] ?? null,

For music.php

Locate line 159 which looks like this:

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return $data;

Replace with this:

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return isset($data)?$data:'';