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Friday, 13 May 2016

How to download image from URL with PHP?

How to download image from url with PHP?

Question: How to download image from url and save in server?
//Image path which we will download
$imageURL='http://domain.com/image.jpg';

//get extension of image
$ext = pathinfo($imageURL, PATHINFO_EXTENSION);

//Local path of image - where will we save the image
$downloadTo = fopen('import/image/file'.  rand(1, 9999).'.'.$ext, 'wb');

//Download and save image
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $imageURL);
curl_setopt($ch, CURLOPT_FILE, $downloadTo);
curl_setopt($ch, CURLOPT_HEADER, 0);
$output = curl_exec($ch);
curl_close($ch);



Question: How to get image extension from url?
$imageURL='http://domain.com/image.jpg';
$ext = pathinfo($imageURL, PATHINFO_EXTENSION); //.jpg



Question: Download image from URL and display in browser?
    //Image path which we will download
    $imageURL='http://domain.com/image.jpg';

    //get extension of image
    $ext = pathinfo($imageURL, PATHINFO_EXTENSION);

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $imageURL);
    curl_setopt($ch, CURLOPT_HEADER, 0);
    $output = curl_exec($ch);
    curl_close($ch);
    switch( $ext ) {
        case "gif": $ctype="image/gif"; break;
        case "png": $ctype="image/png"; break;
        case "jpeg":
        case "jpg": $ctype="image/jpeg"; break;
        default:
    }
    header('Content-type: ' . $ctype);



Question: How to check if image is valid OR Not?
$imageURL='http://domain.com/image.jpg';
 list($width, $height, $type, $attr) = getimagesize($imageURL);
 if (!empty($width) && !empty($height)) {
    echo "Valid Image";
    }else{
    echo "In Valid Image";
    }

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