generated from jric11/baseProject
15 lines
926 B
PHP
15 lines
926 B
PHP
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<?php
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final class Pagination {
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public static function calculate(int $count,int $size,int $current,string $action=''): array {
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$count=max(0,$count);$size=max(1,min(100,$size));$last=max(1,(int)ceil($count/$size));
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$page=match($action){'first'=>1,'previous'=>$current-1,'next'=>$current+1,'last'=>$last,default=>$current};
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$page=max(1,min($last,$page));$offset=($page-1)*$size;
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return ['size'=>$size,'page'=>$page,'offset'=>$offset,'start'=>$count?$offset+1:0,'end'=>min($count,$offset+$size)];
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}
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public static function session(string $scope,int $count,int $size,string $action=''): array {
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if(!is_array($_SESSION[Base::PAGINATION_PAGE]??null))$_SESSION[Base::PAGINATION_PAGE]=[];
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$result=self::calculate($count,$size,(int)($_SESSION[Base::PAGINATION_PAGE][$scope]??1),$action);
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$_SESSION[Base::PAGINATION_PAGE][$scope]=$result['page'];return $result;
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}
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}
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