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Multiple File Upload actions for a single File Input PHP/JS


Multiple File Upload actions for a single File Input PHP/JS

By : Max.D
Date : November 29 2020, 09:01 AM
I hope this helps . You can try this:
Select file using browse field call a method (setImage()) on onchange of this browse field
code :
function setImage(){
 // Get the src value of browse field
 // Create a new hidden browse field with src value of above browse 
 // field
 // And set blank value of src of first one browse field
}


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JS file size test fails on multiple file upload but not on single file upload

JS file size test fails on multiple file upload but not on single file upload


By : Mitsu
Date : March 29 2020, 07:55 AM
This might help you You need to add file.size to the function binding. Otherwise, when you use file.size in the callback function, it's referring to the last file in the loop.
code :
$("#image-upload").change(function() {
    var files = $(this)[0].files;

    for (var i = 0; i < files.length; i++) {
        var file = files[i];
        var reader = new FileReader();

        reader.onload = (function(name, size, event) {
            var img = event.target.result; //image preview
            var extension = name.split('.')[name.split('.').length - 1].toLowerCase();  //get file extension

            if(valid_extensions.indexOf(extension)===-1 || size > (2000 * 1024)){ //if extension is valid image extension type and size is less that 2mb
                 $('#invalid-images').append(
                    "<img class='invalid-img-thumbnail' src='" + img + "'" + "title='" + name + "'/>");

            }else{
                $('#img-wrapper').append(
                    "<img class='thumbnail' src='" + img + "'" + "title='" + name + "'/>");
                console.log('\n'+size);                
            }
        }).bind(reader, file.name, file.size);
        reader.readAsDataURL(file);
    }
});
In Multiple file Upload upload single file in new folder in PHP

In Multiple file Upload upload single file in new folder in PHP


By : Alex Johnson
Date : March 29 2020, 07:55 AM
it helps some times In each iteration of your for loop, add the index to the the output_dir as the name of the New Folder.that way you get a new folder for every file.
code :
$output_dir = "pdf-files/";
if(isset($_FILES["myfile"]))
{
 $ret = array();

 $error =$_FILES["myfile"]["error"];
{

    if(!is_array($_FILES["myfile"]['name'])) //single file
    {
        $fileName = $_FILES["myfile"]["name"];
        move_uploaded_file($_FILES["myfile"]["tmp_name"],$output_dir. $_FILES["myfile"]["name"]);
        $ret[$fileName]= $output_dir.$fileName;

    }
    else
    {
            $fileCount = count($_FILES["myfile"]['name']);
            for($i=0; $i < $fileCount; $i++)
          {
            $fileName = $_FILES["myfile"]["name"][$i];
            $ret[$fileName]= $output_dir.$fileCount."/".$fileName;
          $ret[$fileCount] = $fileCount;
            move_uploaded_file($_FILES["myfile"]["tmp_name"][$i],$output_dir.$fileCount."/".$fileName );
          }

    }
}
echo json_encode($ret);
}
What is the best way to multiple file upload through a single input in nodejs express 4?

What is the best way to multiple file upload through a single input in nodejs express 4?


By : user940605
Date : March 29 2020, 07:55 AM
With these it helps After different kind of testing, I found the issue. Everything is ok except when I upload a single file. When ajax send a single file, it was not an array. That's why, length was undefined and forEach did not run. Need to check first, then use mv() function, like as-
code :
if(sampleFile instanceof Array){
    // here is the forEach block
}else{
    // run a single mv() function
}
jquery set value from input type file multifile to input type file single file for multiple file upload

jquery set value from input type file multifile to input type file single file for multiple file upload


By : Максим Ферапонтов
Date : March 29 2020, 07:55 AM
will be helpful for those in need It is not possible to programatically select files into a an . The reason for this is security. Consider if it was possible - it would mean that unscrupulous developers could essentially steal files from visitors computers by using Javascript to select a file and submit the form without the user knowing.
Multiple file upload using single input controller

Multiple file upload using single input controller


By : Jesus molina
Date : March 29 2020, 07:55 AM
may help you . Change the signature of your GalleryAdd action to take an IEnumerable of HttpPostedFileBase, then you can iterate over the files passed in from the view:
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