<?php
// bgallz.org - Web coding and design tutorials, scripts, resources and more.
// favicon Generator Script
function generate_favicon(){
// Create favicon.
$postvars = array("image" => trim($_FILES["image"]["name"]),
"image_tmp"        => $_FILES["image"]["tmp_name"],
"image_size"    => (int)$_FILES["image"]["size"],
"image_dimensions"    => (int)$_POST["image_dimensions"]);
$valid_exts = array("jpg","jpeg","gif","png");
$ext = end(explode(".",strtolower(trim($_FILES["image"]["name"]))));
$directory = "favicon/"; // Directory to save favicons. Include trailing slash.
// Check not larger than 175kb.
if($postvars["image_size"] <= 179200){
// Check is valid extension.
if(in_array($ext,$valid_exts)){
if($ext == "jpg" || $ext == "jpeg"){
$image = imagecreatefromjpeg($postvars["image_tmp"]);
}
else if($ext == "gif"){
$image = imagecreatefromgif($postvars["image_tmp"]);
}
else if($ext == "png"){
$image = imagecreatefrompng($postvars["image_tmp"]);
}
list($width,$height) = getimagesize($postvars["image_tmp"]);
$newwidth = $postvars["image_dimensions"];
$newheight = $postvars["image_dimensions"];
$tmp = imagecreatetruecolor($newwidth,$newheight);
// Copy the image to one with the new width and height.
imagecopyresampled($tmp,$image,0,0,0,0,$newwidth,$newheight,$width,$height);
$rand = rand(1000,9999);
$filename = "./".$directory.$rand.$postvars["image"];
// Create image file with 100% quality.
if(is_writable($directory)){
imagejpeg($tmp,$filename,100);
// Image created, now rename it to its
$ext_pos = strpos($postvars["image"],"." . $ext);
$strip_ext = substr($postvars["image"],0,$ext_pos);
// Rename image to .ico file
rename($filename,"./favicon/".$strip_ext.".ico");
return "<strong>Icon Preview:</stong>
<p><img title="\Favicon Preview\" src="\".$filename."\" border="\0\" alt=\"Favicon\" /></p>
<p>Favicon successfully generated. <a name="\Download Favicon\" href=\"".$filename."\" target=\"_blank\">Click here to download your favicon.</a></p>
<p><strong>If favicon doesn't download, right click the link above. Click SAVE AS to download .ico.</strong>";
} else {
return "The directory: \"".$directory."\" is not writable.";
}
imagedestroy($image);
imagedestroy($tmp);
} else {
return "File size too large. Max allowed file size is 175kb.";
}
} else {
return "Invalid file type. You must upload an image file. (jpg, jpeg, gif, png).";
}
}
if(isset($_GET["do"])){
if($_GET["do"] == "create"){
if(isset($_POST["submit"])){
$generate_favicon = "".generate_favicon()."";
$generate_favicon .= "Place your download instructions and anything else you want here to follow the download link after upload.";
} else {
$generate_favicon = "";
}
}
}
?>

<form action="index.php?do=create"  enctype="multipart/form-data" method="post">Image Dimensions:<br />
<select style="width: 170px;" name="image_dimensions">
<option selected="selected" value="16">16px x 16px</option>
<option value="32">32px x 32px</option>
</select>
<p><span style="font-size: 14pt;">Favicon Image:</span></p>
<input name="image" size="40" type="file" />
<input style="font: 14pt verdana;" name="submit" type="submit" value="Submit!" />