PHP Upload Image

PHP Upload Image Example

PHP Upload Image In the below tutorial we will learn , How to Upload Image in PHP

Create a HTML form for uploading the image file.

  • Method will be the post type i.e. method = “post”.
  • Enctype will be used i.e. enctype = “multipart/form-data” which specifies the content-type.

PHP Upload Image

php upload image
1) Make a folder name as “images” for uploading.

2) File “index.php”

<html>
<head>
<title>Upload Image</title>
</head>
<body>
<form action="upload.php" enctype="multipart/form-data" method="post">
    <b>Select the Image:</b>
    <input type="file" name="image" id="image">
    <input type="submit" value="Upload" name="submit">
</form>
</body>
</html>

Output


PHP getimagesize() Function

getimagesize() is the inbuilt function of PHP which is used for getting the image attributes i.e. its width, height, mime type etc.

array getimagesize( $file, $image_info )

$file (required): This argument refers to the image file name.

Return Value: This function return the array of image attributes i.e. width, height, mime type of image.

Example

<?php 
//Put the image path. This is dummy image.
$imageInfo = getimagesize("developerhelps.jpg");
print_r($imageInfo); 
?>

Output

Array 
( 
        [0] => 500 
        [1] => 130 
        [2] => 3 
        [3] => width="500" height="130" 
        [bits] => 8 
        [mime] => image/jpg 
)

Some restrictions in uploading file

Check Size of Image

// Check file size
if ($_FILES["image"]["size"] > 71680) 
{
    echo "File is too large.";
    $error = true;
}

Check File Type

// Check file format
if($fileExtension != "png" && $fileExtension != "gif" && $fileExtension != "jpg" && $fileExtension != "jpeg" ) 
{
    echo "PNG, GIF, JPG & JPEG files are allowed.";
    $error = true;
}

3) File “upload.php

<?php
$fileExtension = strtolower(pathinfo($_FILES["image"]["name"],PATHINFO_EXTENSION));
$error = false;

// Check if file is a actual image
if(isset($_POST["submit"])) 
{
    $imageAttribute = getimagesize($_FILES["image"]["tmp_name"]);
    if($imageAttribute !== false) 
    {
        echo "File Mime Type : " . $imageAttribute["mime"];
    } 
    else 
    {
        echo "This is not an Image file.";
        $error = true;
    }
}

// Check file size
if ($_FILES["image"]["size"] > 71680) 
{
    echo "File is too large.";
    $error = true;
}

// Check file format
if($fileExtension != "png" && $fileExtension != "gif" && $fileExtension != "jpg" && $fileExtension != "jpeg" ) 
{
    echo "PNG, GIF, JPG & JPEG files are allowed.";
    $error = true;
}

if ($error) 
{
    echo "Something went wrong with file.";
}
else 
{	
    $upload_dir = "images/";
    //Remove the image override problem by below line 
    $upload_file = $upload_dir . pathinfo($_FILES["image"]["name"],PATHINFO_FILENAME) . "_" . time() . "." . $fileExtension; 
    if (move_uploaded_file($_FILES["image"]["tmp_name"], $upload_file)) 
    {
        echo "Image has been successfully uploaded.";
    } 
    else 
    {
        echo "Something went wrong with uploading.";
    }
}
?>

Image file name as “developerhelps.jpg

Output

File Mime Type : image/jpg
Image has been successfully uploaded.

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