Hw 5

php1.loc/HW_5/config/config.php

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+<?php
+define('DIR_ROOT', $_SERVER['DOCUMENT_ROOT']);
+define('TEMPLATES_DIR', DIR_ROOT . '/../templates/');
+define('LAYOUTS_DIR', TEMPLATES_DIR . 'layouts/');
+define('IMAGES_DIR', './images/');
+define('GALLERY_NAME', 'gallery_img');
+define('HOW_MANY_IMAGES_TO_SHOW', 4);
+
+/* DB config */
+define('HOST', 'localhost');
+define('USER', 'batov_test');
+define('PASS', '12345');
+define('DB', 'batov_test');
+
+require_once DIR_ROOT . "/../engine/functions.php";
+require_once DIR_ROOT . "/../engine/log.php";
+require_once DIR_ROOT . "/../engine/gallery.php";
+require_once DIR_ROOT . "/../engine/img_edit.php";
+require_once DIR_ROOT . "/../engine/db.php";

php1.loc/HW_5/engine/classSimpleImage.php

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+<?php
+/*
+* File: SimpleImage.php
+* Author: Simon Jarvis
+* Copyright: 2006 Simon Jarvis
+* Date: 08/11/06
+* Link: http://www.white-hat-web-design.co.uk/articles/php-image-resizing.php
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License
+* as published by the Free Software Foundation; either version 2
+* of the License, or (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details:
+* http://www.gnu.org/licenses/gpl.html
+*
+*/
+
+class SimpleImage {
+
+   var $image;
+   var $image_type;
+
+   function load($filename) {
+      $image_info = getimagesize($filename);
+      $this->image_type = $image_info[2];
+      if( $this->image_type == IMAGETYPE_JPEG ) {
+         $this->image = imagecreatefromjpeg($filename);
+      } elseif( $this->image_type == IMAGETYPE_GIF ) {
+         $this->image = imagecreatefromgif($filename);
+      } elseif( $this->image_type == IMAGETYPE_PNG ) {
+         $this->image = imagecreatefrompng($filename);
+      }
+   }
+   function save($filename, $image_type=IMAGETYPE_JPEG, $compression=75, $permissions=null) {
+      if( $image_type == IMAGETYPE_JPEG ) {
+         imagejpeg($this->image,$filename,$compression);
+      } elseif( $image_type == IMAGETYPE_GIF ) {
+         imagegif($this->image,$filename);
+      } elseif( $image_type == IMAGETYPE_PNG ) {
+         imagepng($this->image,$filename);
+      }
+      if( $permissions != null) {
+         chmod($filename,$permissions);
+      }
+   }
+   function output($image_type=IMAGETYPE_JPEG) {
+      if( $image_type == IMAGETYPE_JPEG ) {
+         imagejpeg($this->image);
+      } elseif( $image_type == IMAGETYPE_GIF ) {
+         imagegif($this->image);
+      } elseif( $image_type == IMAGETYPE_PNG ) {
+         imagepng($this->image);
+      }
+   }
+   function getWidth() {
+      return imagesx($this->image);
+   }
+   function getHeight() {
+      return imagesy($this->image);
+   }
+   function resizeToHeight($height) {
+      $ratio = $height / $this->getHeight();
+      $width = $this->getWidth() * $ratio;
+      $this->resize($width,$height);
+   }
+   function resizeToWidth($width) {
+      $ratio = $width / $this->getWidth();
+      $height = $this->getheight() * $ratio;
+      $this->resize($width,$height);
+   }
+   function scale($scale) {
+      $width = $this->getWidth() * $scale/100;
+      $height = $this->getheight() * $scale/100;
+      $this->resize($width,$height);
+   }
+   function resize($width,$height) {
+      $new_image = imagecreatetruecolor($width, $height);
+      imagecopyresampled($new_image, $this->image, 0, 0, 0, 0, $width, $height, $this->getWidth(), $this->getHeight());
+      $this->image = $new_image;
+   }
+}
+?>
+

php1.loc/HW_5/engine/db.php

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+<?php
+/*
+ * Функция, осуществляющая соединение с базой данных и возвращающее его
+ * static позволяет сохранить состояние и вернуть уже текущее соединение
+ * чтобы не делать нового
+ */
+
+function dumpLoad() {
+    //Автоматическая загрузка дампа в БД
+    $db = getDb();
+    $result = mysqli_query($db, "SHOW TABLES FROM " . DB);
+    if (mysqli_num_rows($result) === 0) {
+        $dump = file_get_contents("batov_test.sql");
+
+        $a = 0;
+        while ($b = strpos($dump, ";", $a + 1)) {
+            $a = substr($dump, $a + 1, $b - $a);
+            mysqli_query($db, $a);
+            $a = $b;
+        }
+        var_dump("Дамп загружен!");
+    }
+}
+
+function getDb() {
+
+    static $db = null;
+
+    if (is_null($db)) {
+        $db = @mysqli_connect(HOST, USER, PASS, DB) or die("Could not connect: " . mysqli_connect_error());
+    }
+
+    return $db;
+}
+
+//При желании можно закрыть соединение (если уж и вызывать, то после render на главной)
+function closeDb() {
+    mysqli_close(getDb());
+}
+
+/*
+ * Обертка для выполнения любого запроса
+ * Передаем в параметре текст sql-запроса
+ * Возвращаем результат, в основном использовать для
+ * операций update и delete, которые не требуют возврата данных
+ */
+function executeQuery($sql)
+{
+    $db = getDb();
+
+    $result = @mysqli_query($db, $sql) or die(mysqli_error($db));
+    return $result;
+}
+
+/*
+ * Обертка для выполнения запроса на получение данных
+ * Данные возвращаются в виде ассоциативного массива
+ * Цикл по получению данных уже реализован в этой функции
+ */
+function getAssocResult($sql)
+{
+    $db = getDb();
+    $result = @mysqli_query($db, $sql) or die(mysqli_error($db));
+    $array_result = [];
+    while ($row = mysqli_fetch_assoc($result))
+        $array_result[] = $row;
+    return $array_result;
+}
+
+
+