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Commit 4b4a8e4

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refactor: Updated many code blocks. Also were fixed some issues due insert, update and delete
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+160
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3 files changed

+160
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‎README.md

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# PHP Database Class
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PHP Class that handles database Objects and Requests.
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It's the result of quite some time of studying the PDO class and the new PHP 7.4 version, along with OO in PHP.
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Let's go for the methods.
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## addConnection
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Method to define a database connection
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## useConnection
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This function will set which connection the class should use at the moment
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## getTotalRequests
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It will return the total amount number of requests that were done to the database
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## performance
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It will display a HTML comment on the page, displaying the total amount of time in unix the requisitions had taken
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## fetch
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Will fetch a row. If $simple then only one row and finishes.
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## fetchAll
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Will give all results
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## count
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Will give the number of rows inside the object
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## empty
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If the object is empty, returns true
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## query
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Performns a query
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## pagedQuery
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Breaks the number of results to be shown in a smallest number
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## setLanguage
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Define which language the class should work (default: english)
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## setPaginationWords
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Defines the words inside the pagination HTML when the page method is evoked
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## getCurrentPage
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Will return the current page according to URL
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## page
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Will give the pagination HTML
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## date
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Will give server date
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## datetime
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Will give server datetime
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## setCollation
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Will generate a SQL to change whole database collation. Returns a string, and can apply it too.
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## setFriendlyURL
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Will stablish the FriendlyURL instance
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## prepare
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Will prepare a SQL
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## set
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Will bind value to a prepared SQL
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## formatMonney
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Will make the value a monetary one
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## insert
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Will insert $data inside $table. If $additional is given, will transform values
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## id
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Returns last inserted id
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## update
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Updates $data in $table using given $rules. $additional is supported too.
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## delete
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Will delete whole table if $rules is omitted
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## URLNormalize
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Makes given string url friendly

‎db.class.php

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/**
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* PHP DB Class
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* 2021年01月07日 -> Class created
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* 2021年03月12日 -> Added rel="canoical|prev|next" to <a> pagination tags
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* 2021年03月12日 -> Added rel="canonical|prev|next" to <a> pagination tags
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* 2021年03月12日 -> Added a lot of comments
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* 2021年06月05日 -> Added transformWith private method for insert and update methods using the $additional array. Added formatMonney public method to work with monetary values. Changed getPageNow to getCurrentPage
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*
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* MUST FIX: delete(), $rules inside insert, define $functions on update and insert
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*
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* MUST CREATE: search method, wordlist method, similarwords method, searchSimilarWord method
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*/
@@ -54,7 +54,7 @@ class db
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);
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/** Will return a database instance. It also sets manny vars about the connection, if isn't yet defined */
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public static function getInstance()
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private static function getInstance()
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{
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if (self::$dbInit == null) {
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self::$dbInit = microtime();
@@ -220,7 +220,7 @@ public static function pagedQuery($mixed, $limit, $page = false, $words = false)
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$object->extra['limit'] = $limit;
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self::setPaginationWords($object, $words);
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if ($page == false) {
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$page = self::getPageNow();
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$page = self::getCurrentPage();
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}
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$newObject = self::query($mixed . " LIMIT " . (($limit * $page) - $limit) . ", " . $limit);
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return $newObject;
@@ -229,7 +229,7 @@ public static function pagedQuery($mixed, $limit, $page = false, $words = false)
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$totalRows = $mixed->extra['totalEntries'];
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$object = new dbObject($mixed->getInstance(), array("limit" => $limit, 'totalEntries' => $totalRows));
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self::setPaginationWords($object, $words);
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$page = self::getPageNow();
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$page = self::getCurrentPage();
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if ($totalRows > $limit) {
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$newObject = self::query($mixed->getInstance()->queryString . " LIMIT " . (($limit * $page) - $limit) . ", " . $limit);
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return $newObject;
@@ -244,7 +244,7 @@ public static function pagedQuery($mixed, $limit, $page = false, $words = false)
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self::updateTotalRequests();
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$object = new dbObject($mixed, array("limit" => $limit));
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self::setPaginationWords($object, $words);
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$page = self::getPageNow();
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$page = self::getCurrentPage();
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if ($totalRows > $limit) {
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$newObject = self::query($mixed->queryString . " LIMIT " . (($limit * $page) - $limit) . ", " . $limit);
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return $newObject;
@@ -283,7 +283,7 @@ public static function setPaginationWords($object, $words = false)
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}
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/** It retrieves the current page */
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private static function getPageNow($object = false)
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private static function getCurrentPage($object = false)
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{
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if (!$object) {
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$object = self::$pageObject;
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}
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$words = self::$pageObject->extra['words'];
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$totalPages = ceil($totalRows / $limit);
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$pageNow = self::getPageNow(self::$pageObject);
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$pageNow = self::getCurrentPage(self::$pageObject);
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if ($class) {
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$words['class'] . "" . $class . "";
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}
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return self::getInstance()->exec($sql);
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}
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/** WORK IN PROGRESS - It will insert $data on a specific $table. The $rules are optional */
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public static function insert($data, $table, $rules = array())
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/** It will apply the additional steps before the real method applyment */
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private static function transformWith(&$data, $additional)
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{
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if (isset($additional['function'])) {
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foreach ($additional['function'] as $fieldKey => $function) {
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if (isset($data[$fieldKey])) {
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$data[$fieldKey] = call_user_func($function, $data[$fieldKey]);
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}
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}
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}
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}
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/** This function is responsible to make the given value a decimal value for monetary operations */
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/** It looks like the best option to save monney on a database is to use the DECIMAL 19,4 */
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public static function formatMonney($value)
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{
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$source = array('.', ',');
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$replace = array('', '.');
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$value = str_replace($source, $replace, $value);
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return $value;
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}
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/** It will insert $data on a specific $table. The $rules are optional */
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public static function insert($data, $table, $additional = array())
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{
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self::fixDataCollumns($data, $table, $newData);
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$sql = "INSERT INTO $table (" . implode(", ", array_keys($newData)) . ") VALUES (:" . implode(", :", array_keys($newData)) . ");";
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$array_keys = array_keys($newData);
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$sql = "INSERT INTO $table (" . implode(", ", $array_keys) . ") VALUES (:" . implode(", :", $array_keys) . ");";
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$object = self::getInstance();
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$stmnt = self::prepare($object, $sql);
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if (!empty($additional)) {
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self::transformWith($newData, $additional);
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}
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foreach ($newData as $key => $value) {
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self::set($stmnt, $key, $value);
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}
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if ($stmnt->execute()) {
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self::updateTotalRequests();
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self::$id = $object->lastInsertId();
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unset($stmnt, $object);
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return true;
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} else {
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return false;
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}
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/** It will update a row on a specific $table with new $data. The row must attend to the $rules */
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public static function update($data, $table, $rules = array())
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public static function update($data, $table, $rules = array(), $additional = array())
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{
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self::fixDataCollumns($data, $table, $newData, "update");
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$collumns = array();
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$sql = "UPDATE $table SET " . implode(", ", $collumns) . (!empty($rules) ? " WHERE " . implode(" AND ", $newRules) : "") . ";";
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$object = self::getInstance();
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$stmnt = self::prepare($object, $sql);
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if (!empty($additional)) {
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self::transformWith($newData, $additional);
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}
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foreach ($newData as $key => $value) {
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self::set($stmnt, $key, $value);
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}
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}
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}
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/** WORK IN PROGRESS - It will delete a record - or all - on a specific $table */
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/** It will delete a record - or all - on a specific $table */
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public static function delete($table, $rules = array())
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{
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if (!empty($rules)) {

‎index.php

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<?php
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include("db.class.php");
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db::addConnection('default', array("HOST" => "localhost", "USER" => "root", "PASSWORD" => "", "NAME" => "test"));
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db::insert(array("monney" => "1,00.50"), "monney");

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