This tutorial will show you how to upload an image and give it a name in a simple form, first you'll need a database table to store the title and path to the image, create the following structure in phpmyadmin:
CREATE TABLE `images` (
`itemID` INT NOT NULL AUTO_INCREMENT PRIMARY KEY ,
`itemTitle` VARCHAR( 255 ) NOT NULL ,
`itemPath` VARCHAR( 255 ) NOT NULL
) ENGINE = MYISAM ;
Next connect to your database:
//connect to your database here.
// db properties
define('DBHOST','localhost');
define('DBUSER','database username');
define('DBPASS','password');
define('DBNAME','database name');
// make a connection to mysql here
$conn = mysql_connect (DBHOST, DBUSER, DBPASS);
$conn = mysql_select_db (DBNAME);
if(!$conn){
die( "Sorry! There seems to be a problem connecting to our database.");
}
Check to see if the form has been submitted if so then run the code.
// if form submitted then process form
if (isset($_POST['sub'])){
Check the lengh if the title, if to small or to long generate an error which we will print out later.
// check fields are not empty
$imgTitle = trim($_POST['imgTitle']);
if (strlen($imgTitle) < 1 || strlen($imgTitle) > 255) {
$error[] = 'Title must be at between 1 and 255 characters.';
}
Set a path to store images in:
// location where initial upload will be moved to
$target = "images/" . $_FILES['uploaded']['name'];
Next move the uploaded image from the tmp directory to your chosen destination only if the image is a .gif,.png or ,jpg.
// find the type of image
switch ($_FILES["uploaded"]["type"]) {
case $_FILES["uploaded"]["type"] == "image/gif":
move_uploaded_file($_FILES["uploaded"]["tmp_name"],$target);
break;
case $_FILES["uploaded"]["type"] == "image/jpeg":
move_uploaded_file($_FILES["uploaded"]["tmp_name"],$target);
break;
case $_FILES["uploaded"]["type"] == "image/pjpeg":
move_uploaded_file($_FILES["uploaded"]["tmp_name"],$target);
break;
case $_FILES["uploaded"]["type"] == "image/png":
move_uploaded_file($_FILES["uploaded"]["tmp_name"],$target);
break;
case $_FILES["uploaded"]["type"] == "image/x-png":
move_uploaded_file($_FILES["uploaded"]["tmp_name"],$target);
break;
default:
$error[] = 'Wrong image type selected. Only JPG, PNG or GIF accepted!.';
}
If validation is okay then carry on.
if (!$error) {
Next get the title from the form and remove any tags and make it safe for database entry:
// post form data
$imgTitle = $_POST['imgTitle'];
//strip any tags from input
$imgTitle = strip_tags($imgTitle);
// remove any harmful code and stop sql injection
$imgTitle = mysql_real_escape_string($imgTitle);
Next insert the title and image path into the database, show a sucess message and close the 2 if statements.
// insert data into images table
$query = mysql_query("INSERT INTO images (itemTitle, itemPath) VALUES ('$imgTitle', '$target')")or die ('Cannot add image because: '. mysql_error());
// show a message to confirm results
echo 'Image Added';
}
}
Display any errors:
if (!empty($error))
{
$i = 0;
echo "<p><span class='error'>";
while ($i < count($error)){
echo $error[$i].'<br />';
$i ++;}
echo "</span></p>";
}
Finally the form itself make sure the form has enctype="multipart/form-data" or no upload will happen.
<form enctype="multipart/form-data" action="" method="post">
<p><label>Title:</label> <input name="imgTitle" type="text" size="40" value="<?php if (isset($error)){ echo $imgTitle; }?>" /></p>
<p><label>Image:</label><input name="uploaded" class="text-input" type="file" maxlength="20" value="" /></p>
<p><input type="submit" name="sub" class="button" value="Add Image"></p>
</form>
Here's the full script:
<?php
//connect to your database here.
// db properties
define('DBHOST','localhost');
define('DBUSER','database username');
define('DBPASS','password');
define('DBNAME','database name');
// make a connection to mysql here
$conn = mysql_connect (DBHOST, DBUSER, DBPASS);
$conn = mysql_select_db (DBNAME);
if(!$conn){
die( "Sorry! There seems to be a problem connecting to our database.");
}
// if form submitted then process form
if (isset($_POST['sub'])){
// check fields are not empty
$imgTitle = trim($_POST['imgTitle']);
if (strlen($imgTitle) < 1 || strlen($imgTitle) > 255) {
$error[] = 'Title must be at between 1 and 255 characters.';
}
// location where initial upload will be moved to
$target = "images/" . $_FILES['uploaded']['name'] ;
// find thevtype of image
switch ($_FILES["uploaded"]["type"]) {
case $_FILES["uploaded"]["type"] == "image/gif":
move_uploaded_file($_FILES["uploaded"]["tmp_name"],$target);
break;
case $_FILES["uploaded"]["type"] == "image/jpeg":
move_uploaded_file($_FILES["uploaded"]["tmp_name"],$target);
break;
case $_FILES["uploaded"]["type"] == "image/pjpeg":
move_uploaded_file($_FILES["uploaded"]["tmp_name"],$target);
break;
case $_FILES["uploaded"]["type"] == "image/png":
move_uploaded_file($_FILES["uploaded"]["tmp_name"],$target);
break;
case $_FILES["uploaded"]["type"] == "image/x-png":
move_uploaded_file($_FILES["uploaded"]["tmp_name"],$target);
break;
default:
$error[] = 'Wrong image type selected. Only JPG, PNG or GIF accepted!.';
}
// if validation is okay then carry on
if (!$error) {
// post form data
$imgTitle = $_POST['imgTitle'];
//strip any tags from input
$imgTitle = strip_tags($imgTitle);
// remove any harhful code and stop sql injection
$imgTitle = mysql_real_escape_string($imgTitle);
// insert data into images table
$query = mysql_query("INSERT INTO images (itemTitle, itemPath) VALUES ('$imgTitle', '$target')")or die ('Cannot add image because: '. mysql_error());
// show a message to confirm results
echo 'Image Added';
}
}
//display any errors
if (!empty($error))
{
$i = 0;
echo "<p><span class='error'>";
while ($i < count($error)){
echo $error[$i].'<br />';
$i ++;}
echo "</span></p>";
}
?>
<form enctype="multipart/form-data" action="" method="post">
<p><label>Title:</label> <input name="imgTitle" type="text" size="40" value="<?php if (isset($error)){ echo $imgTitle; }?>" /></p>
<p><label>Image:</label><input name="uploaded" class="text-input" type="file" maxlength="20" value="" /></p>
<p><input type="submit" name="sub" class="button" value="Add Image"></p>
</form>
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