Hello chegg expert could you please help me in my back end program I$$ve made functions and I need to add those charts showing in the picture could you please in the program when I$$ve mentioned to you $\_//$use for charts $//$ to give me the propriet code in this

paapps $=$ self::get$\_$apps$()$;

$\}$

$//$ Get all apps

public static function get$\_$apps$()\{$

$apps $=$ array$()$;

$reader $=$ Reader::createFromPath$(\text{'}$app$.$csv$\text{'},\text{'}$r$\text{'})$;

$reader$->$setHeaderOffset$(0)$;

$records $=$ $reader$->$getRecords$()$;

foreach $($ $records as $record $)\{$

$apps$[]=$ $record;

$\}$

return $apps;

$\}$

$//$ Get all apps from given category

public static function get$\_$apps$\_$by$\_$category$($ $category $=$ 'ART$\_$AND$\_$DESIGN' $)\{$

$category$\_$apps $=$ array$()$;

$records $=$ self::get$\_$apps$()$;

foreach $($ $records as $record $)\{$

if $($ $record$[\text{'}$Category$\text{'}]===$ $category $)\{$

$category$\_$apps$[]=$ $record;

$\}$

$\}$

return $category$\_$apps;

$\}$

$//$ Get all categories names

public static function get$\_$categories$\_$name$()\{$

$categories$\_$name $=$ array$()$;

$records $=$ self::get$\_$apps$()$;

foreach $($ $records as $record $)\{$

$categories$\_$name$[]=$ $record$[\text{'}$Category$\text{'}]$;

$\}$

return array$\_$unique$($ $categories$\_$name $)$;

$\}$

$//$ Get average rating in given category

public static function get$\_$category$\_$average$\_$rating$($ $category $)\{$

$return$\_$array $=$ array$()$;

$records $=$ self::get$\_$apps$()$;

$rating $=0$;

foreach $($ $records as $record $)\{$

if $($ $record$[\text{'}$Category$\text{'}]===$ $category $)\{$

$return$\_$array$[]=$ $record$[\text{'}$Rating$\text{'}]$;

$rating $+=$ $record$[\text{'}$Rating$\text{'}]$;

$\}$

$\}$

$rating $=$ $rating $/$ count$($ $return$\_$array $)$;

return number$\_$format$($ $rating, $2)$;

$\}//$ Use for chart

$//$ Get average rating per category

public static function get$\_$all$\_$categories$\_$average$\_$rating$()\{$

$return$\_$array $=$ array$()$;

$categories $=$ self::get$\_$categories$\_$name$()$;

foreach $($ $categories as $category $)\{$

$return$\_$array$[$ $category $]=$ self::get$\_$category$\_$average$\_$rating$($ $category $)$;

$\}$

return $return$\_$array;

$\}$

$//$ Get count of given content rating

public static function get$\_$content$\_$rating$\_$count$($ $content$\_$rating $)\{$

$records $=$ self::get$\_$apps$()$;

$count $=0$;

foreach $($ $records as $record $)\{$

if $($ $record$[\text{'}$Content Rating'$]===$ $content$\_$rating $)\{$

$count$++$;

$\}$

$\}$

return $count;

$\}$

$//$ Use for chart

$//$ Get all content rating count

public static function get$\_$content$\_$rating$\_$overall$\_$count$()\{$

$return$\_$array $=$ array$()$;

$content$\_$ratings $=$ array$($ 'Everyone', 'Teen', 'Everyone $10+\text{'},$ 'Mature $17+\text{'},$ 'Adults only $18+\text{'},$ 'Unrated' $)$;

foreach $($ $content$\_$ratings as $rating $)\{$

$return$\_$array$[$ $rating $]=$ self::get$\_$content$\_$rating$\_$count$($ $rating $)$;

$\}$

return $return$\_$array;

$\}$

$//$ Get count of given free and paid type

public static function get$\_$free$\_$and$\_$paid$\_$count$($ $type $)\{$

$records $=$ self::get$\_$apps$()$;

$count $=0$;

foreach $($ $records as $record $)\{$

if $($ $record$[\text{'}$Type$\text{'}]===$ $type $)\{$

$count$++$;

$\}$

$\}$

return $count;

$\}$

$//$ Use for chart

$//$ Get all free and paid count

public static function get$\_$free$\_$and$\_$paid$\_$overall$\_$count$()\{$

$return$\_$array $=$ array$()$;

$free$\_$and$\_$paid $=$ array$($ 'Free', 'Paid' $)$;

foreach $($ $free$\_$and$\_$paid as $type $)\{$

$return$\_$array$[$ $type $]=$ self::get$\_$free$\_$and$\_$paid$\_$count$($ $type $)$;

$\}$

return $return$\_$array;

$\}$

$//$ Use for chart

$//$ Get given top max size apps

public static function get$\_$top$\_$maxsize$\_$apps$($ $number $=10)\{$

$return$\_$array $=$ array$()$;

$records $=$ self::get$\_$apps$()$;

foreach $($ $records as $record $)\{$

$return$\_$array$[$ $record$[\text{'}$App$\text{'}]]=$ $record$[\text{'}$Size$\text{'}]$;

$\}$

arsort$($ $return$\_$array $)$;

return array$\_$slice$($ $return$\_$array, $0,$ $number $)$;

$\}$

$//$ Use for chart

$//$ Get given top priced apps

public static function get$\_$top$\_$price$\_$apps$($ $number $=10)\{$

$return$\_$array $=$ array$()$;

$records $=$ self::get$\_$apps$()$;

foreach $($ $records as $record $)\{$

$return$\_$array$[$ $record$[\text{'}$App$\text{'}]]=$ $record$[\text{'}$Price$\text{'}]$;

$\}$

arsort$($ $return$\_$array $)$;

return array$\_$slice$($ $return$\_$array, $0,$ $number $)$;

$\}$

$//$ Use for chart

$//$ Get given top rating apps

public static function get$\_$top$\_$rating$\_$apps$($ $number $=10)\{$

$return$\_$array $=$ array$()$;

$records $=$ self::get$\_$apps$()$;

foreach $($ $records as $record $)\{$

$return$\_$array$[$ $record$[\text{'}$App$\text{'}]]=$ $record$[\text{'}$Rating$\text{'}]$;

$\}$

arsort$($ $return$\_$array $)$;

return array$\_$slice$($ $return$\_$array, $0,$ $number $)$;

$\}$

$//$ Use for chart

$//$ Get given top reviewed apps

public static function get$\_$top$\_$reviewed$\_$apps$($ $number $=10)\{$

$return$\_$array $=$ array$()$;

$records $=$ self::get$\_$apps$()$;

foreach $($ $records as $record $)\{$

$return$\_$array$[$ $record$[\text{'}$App$\text{'}]]=$ $record$[\text{'}$Reviews$\text{'}]$;

$\}$

arsort$($ $return$\_$array $)$;

return array$\_$slice$($ $return$\_$array, $0,$ $number $)$;

$\}$

$\}$rt