87-UploadingFiles.php

<?php
/**
 * Created by PhpStorm.
 * User: Alyssa
 * Date: 1/16/2016
 * Time: 1:12 PM
 */

$max_size = 30000; //30KB
$location = 'uploads/'; //where the file is going

if (isset($_POST['submit'])) { //checking for anythiing will break the code
    $name = $_FILES['file']['name']; //file name
    $size = $_FILES['file']['size']; //file size
    $type = $_FILES['file']['type']; //file type
    $tmp_name = $_FILES['file']['tmp_name']; //temp location on server


    if(checkType($name, $type) && checkSize($size, $max_size)){
            if (isset($name)) {
                save_file($tmp_name, $name, $location); //call my function
            }
    }
} else {
    echo 'Please select a file:';
}
function checkType($name, $type){
    //$extension = strtolower(substr($name, strpos($name, '.') + 1)); //get the extension
    $extension = pathinfo($name, PATHINFO_EXTENSION); //better way to get extension
    if (!empty($name)) {
        if (($extension == 'jpg' || $extension == 'png') && ($type == 'image/jpeg' || $type == 'image/png')) {
            return true;
        } else{
            echo 'That is not a jpg or png';
            return false;
        }
    }
}

function checkSize($size, $max_size){
    if($size <= $max_size){
        return true;
    } else{
        echo 'File is too large. Max size in 30KB.';
        return false;
    }
}

function fileExists($name){
    $filename = rand(1000,9999).md5($name).rand(1000, 9999);
    echo $filename;
    return false;
}

function save_file($tmp_name, $name, $location){
    $og_name = $name;

    //so long as the name is in existance - loop to check new name after it is generated
    while (file_exists('uploads/' . $name)) {
        echo 'File already exists. Generating name.<br/>';
        $rand = rand(10000, 99999);
        $name = $rand . '.' . pathinfo($name, PATHINFO_EXTENSION); //create new name
    }

    if (move_uploaded_file($tmp_name, $location . $name)) {
        echo 'Success! ' . $og_name . ' was uploaded';
        if(!($og_name==$name)){ //if original name != name
            echo ' and renamed to '.$name.'.<br/>';
        } else{
            echo '.';
        }
    } else {
        echo 'ERROR!';
    }
}
?>

<form action="" method="POST" enctype="multipart/form-data">
    <input type="file" name="file"/>
    <input type="submit" name="submit" value="Submit"/>

</form>

bless you, you might add couple of zeros to your max upload limit. Surely it won't harm anyone.

Hi! Thanks for your code! How is it possible to save it to my page? If i just "star" it will it be saved forever, or it will disappear after you delete this file?