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Arsse/lib/Db/SQLite3/Result.php
J. King 9c7f4710aa Fix feed fetching
There are almost certainly other bugs; proper tests forthcoming
2017-05-04 14:42:40 -04:00

84 lines
No EOL
1.8 KiB
PHP

<?php
declare(strict_types=1);
namespace JKingWeb\Arsse\Db\SQLite3;
class Result implements \JKingWeb\Arsse\Db\Result {
protected $st;
protected $set;
protected $pos = 0;
protected $cur = null;
protected $rows = 0;
protected $id = 0;
// actual public methods
public function getValue() {
$this->next();
if($this->valid()) {
$keys = array_keys($this->cur);
return $this->cur[array_shift($keys)];
}
return null;
}
public function getRow() {
$this->next();
return ($this->valid() ? $this->cur : null);
}
public function getAll(): array {
$out = [];
foreach($this as $row) {
$out [] = $row;
}
return $out;
}
public function changes() {
return $this->rows;
}
public function lastId() {
return $this->id;
}
// constructor/destructor
public function __construct(\SQLite3Result $result, array $changes = [0,0], Statement $statement = null) {
$this->st = $statement; //keeps the statement from being destroyed, invalidating the result set
$this->set = $result;
$this->rows = $changes[0];
$this->id = $changes[1];
}
public function __destruct() {
try{$this->set->finalize();} catch(\Throwable $e) {}
unset($this->set);
}
// PHP iterator methods
public function valid() {
$this->cur = $this->set->fetchArray(\SQLITE3_ASSOC);
return ($this->cur !== false);
}
public function next() {
$this->cur = null;
$this->pos += 1;
}
public function current() {
return $this->cur;
}
public function key() {
return $this->pos;
}
public function rewind() {
$this->pos = 0;
$this->cur = null;
$this->set->reset();
}
}