<?php
/*
********************************************************
QuickPDO
This class extends the very PDO objects to add shortcuts like the Zend Adapter has.
I wish such shortcuts were implemented in the native PDO class.
------------------------
Version : 1.0 for PHP 5
Date : 2011-09-05
Web site : http://www.tinybutstrong.com
Author : http://www.tinybutstrong.com/onlyyou.html
********************************************************
This library is free software.
You can redistribute and modify it even for commercial usage,
but you must accept and respect the LPGL License version 3.
*/
class QuickPDO extends PDO {
public $fetch_style = PDO::FETCH_ASSOC;
/* Execute an SQL statement and return the number of affected rows.
* @param {string} $sql: the sql statement
* @param {array} $values: An array of values with as many elements as there are bound parameters in the SQL statement being executed.
* see http://www.php.net/manual/en/pdostatement.execute.php
*/
function execute($sql, $values = array()) {
if (!is_array($values)) $values = array($values);
$stmt = $this->prepare($sql);
$stmt->execute($values);
return $stmt->rowCount();
}
/* Return all records corresponding to an SQL query.
* Similar to PDOStatement::fetchAll() but directly includes the SQL statement.
* @param {string} $sql: the SQL statement
* @param {array} $values: An array of values with as many elements as there are bound parameters in the SQL statement being executed.
* @param {constant} $fetch_style: see http://www.php.net/manual/en/pdostatement.fetch.php
*/
function fetchAll($sql, $values = array(), $fetch_style=null) {
if (!is_array($values)) $values = array($values);
if ($fetch_style===null) $fetch_style = $this->fetch_style;
$stmt = $this->prepare($sql);
$stmt->execute($values);
$result = $stmt->fetchAll($fetch_style);
return $result;
}
/* Return the first record corresponding to an SQL statement.
* Similar to PDOStatement::fetch() but directly includes the SQL statement.
* @param {string} $sql: the SQL statement
* @param {array} $values: An array of values with as many elements as there are bound parameters in the SQL statement being executed.
* @param {constant} $fetch_style: see http://www.php.net/manual/en/pdostatement.fetch.php
*/
function fetchRow($sql, $values = array(), $fetch_style=null) {
if (!is_array($values)) $values = array($values);
if ($fetch_style===null) $fetch_style = $this->fetch_style;
$stmt = $this->prepare($sql);
$stmt->execute($values);
$result = $stmt->fetch($fetch_style);
return $result;
}
/* Return the first value of the first record corresponding to an SQL statement.
* @param {string} $sql: the SQL statement
* @param {array} $values: An array of values with as many elements as there are bound parameters in the SQL statement being executed.
*/
function fetchOne($sql, $values = array() ) {
$result = $this->fetchRow($sql, $values, PDO::FETCH_NUM);
if (is_array($result)) {
return $result[0];
} else {
return $result;
}
}
/* Return all records of an SQL statement as an associative array
* where the first column of the query becomes the keys of the array, and
* the second column of the query becomes the values of the array.
* @param {string} $sql: the SQL statement
* @param {array} $values: An array of values with as many elements as there are bound parameters in the SQL statement being executed.
*/
function fetchPairs($sql, $values = array() ) {
if (!is_array($values)) $values = array($values);
$stmt = $this->prepare($sql);
$stmt->execute($values);
$result = array();
while ($row = $stmt->fetch(PDO::FETCH_NUM)) {
$result[$row[0]] = $row[1];
}
return $result;
}
/* Return all values of the first column of an SQL statement as a indexed array.
* @param {string} $sql: the SQL statement
* @param {array} $values: An array of values with as many elements as there are bound parameters in the SQL statement being executed.
*/
function fetchCol($sql, $values = array() ) {
if (!is_array($values)) $values = array($values);
$stmt = $this->prepare($sql);
$stmt->execute($values);
$result = $stmt->fetchAll(PDO::FETCH_COLUMN, 0);
return $result;
}
}
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