人事系统开发
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79 lines
1.8 KiB
PHP
79 lines
1.8 KiB
PHP
<?php
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declare(strict_types=1);
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namespace MRBS\DB;
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use PDO;
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use PDOStatement;
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class DBStatement
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{
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protected $db_object = null;
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protected $statement = null;
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public function __construct(DB $db_obj, PDOStatement $sth)
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{
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$this->db_object = $db_obj;
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$this->statement = $sth;
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}
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/**
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* Fetch the next row from a result set
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*
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* @return mixed[]|false An array indexed by column number as returned in the result set, starting at column 0,
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* or FALSE if there are no more rows.
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*/
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public function next_row()
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{
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return $this->statement->fetch(PDO::FETCH_NUM);
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}
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/**
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* Returns the next row from a statement as an associative array.
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*
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* @return array<string,mixed>|false The next row indexed by column name, or FALSE if there are no more rows.
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*/
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public function next_row_keyed()
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{
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return $this->statement->fetch(PDO::FETCH_ASSOC);
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}
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/**
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* Return all the rows from a statement object, as an array of arrays keyed on the column name.
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*/
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public function all_rows_keyed() : array
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{
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$result = array();
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while (false !== ($row = $this->next_row_keyed()))
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{
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$result[] = $row;
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}
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return $result;
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}
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/**
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* Returns the number of rows affected by the last SQL statement.
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*
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* For DELETE, INSERT, or UPDATE statements the number of rows affected is returned, though note that this depends
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* on the setting of Pdo\Mysql::ATTR_FOUND_ROWS for MySQL.
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*
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* For statements that produce result sets, such as SELECT, the behaviour is undefined and can be different for each driver.
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*/
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public function count() : int
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{
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return $this->statement->rowCount();
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}
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// Returns the number of fields in a statement.
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public function num_fields() : int
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{
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return $this->statement->columnCount();
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}
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}
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