User may upload the same file content, but under a different name (warn, update, replace, duplicate?).User may upload the same filename, but with different contents (warn, update, replace, duplicate?).$CreatedImage = imagecreatefromjpeg($_FILES) ĭie('Unsupported File, Please Check File And Try Again!') //output error and exitĪmong other things, these have to be considered in such system : $CreatedImage = imagecreatefromgif($_FILES) $CreatedImage = imagecreatefrompng($_FILES) suitable if we want to compare the a variable with many different values We use PHP SWITCH statement to check valid image format, PHP SWITCH is similar to IF/ELSE statements Let's use $ImageType variable to check wheather uploaded file is supported. $ImageType = $_FILES //Obtain file type, returns 'image/png', image/jpeg, text/plain etc. $TempSrc = $_FILES // Tmp name of image file stored in PHP tmp folder $ImageSize = $_FILES // Obtain original image size let's access these values by using their index position My goal is to search the BLOB of images in that directory with php, and if any result match (meaning there will duplicate uploads of the same image) return with 'File already uploaded'. I want to create a way to search a directory by Imagetype or similiar variable. before the image is uploaded to that diretory. Cara menolak gambar identik yang diunggah dengan PHP (How to deny identical images being uploaded with PHP)

Imagetype php