como puedo eliminar elementos específicos del vector que almacena los archivos seleccionados por el browser.
Código PHP:
<html>
<head>
<title>Crear input file</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<script type="text/javascript">
<!--
num=0;
var files;
function crear(src,name,num) {
fi = document.getElementById('fiel');
contenedor = document.createElement('div');
contenedor.id = 'div'+num;
fi.appendChild(contenedor);
var newImage = document.createElement("img");
newImage.src = src;
newImage.width = 150;
newImage.height = 150;
contenedor.appendChild(newImage);
ele = document.createElement('textarea');
ele.name = 'desc'+num;
contenedor.appendChild(ele);
ele = document.createElement('input');
ele.type = 'button';
ele.value = 'Borrar';
ele.name = 'div'+num;
ele.onclick = function () {borrar(this.name)}
contenedor.appendChild(ele);
}
function borrar(obj) {
num = obj.substring(3,4);
delete document.getElementById('files').files[num];
alert(document.getElementById('files').files[num].name)
fi = document.getElementById('fiel');
fi.removeChild(document.getElementById(obj));
}
function handleFileSelect(evt) {
document.getElementById('fiel').innerHTML="";
var num=0;
files = evt.target.files; // FileList object
// Loop through the FileList and render image files as thumbnails.
for (var i = 0, f; f = files[i]; i++) {
// Only process image files.
if (!f.type.match('image.*')) {
continue;
}
var reader = new FileReader();
// Closure to capture the file information.
reader.onload = (function(theFile){
return function(e){
crear(e.target.result,theFile.name,num);
num++;
};
})(f);
// Read in the image file as a data URL.
reader.readAsDataURL(f);
}
}
-->
function loading(){
document.getElementById('files').addEventListener('change', handleFileSelect, false);
}
</script>
</head>
<body onload="loading()">
<?php
if(isset($_FILES['files'])){
foreach($_FILES['files']['tmp_name'] as $key => $tmp_name){
move_uploaded_file($tmp_name,"img/{$_FILES['files']['name'][$key]}");
}
}
?>
<style>
.thumb {
height: 75px;
border: 1px solid #000;
margin: 10px 5px 0 0;
}
</style>
<form action="" method="post" enctype="multipart/form-data">
<input type="file" id="files" name="files[]" multiple />
<hr>
<fieldset id="fiel">
</fieldset>
<input type="submit" value="subir" />
</form>
</body>
</html> 
