public static function rename_file_ext($from, $to)
{
$ext = EFileSystem::get_file_extension($from);
if (rename($from, $to . "." . $ext)) {
return true;
} else {
return false;
}
}
public function make_thumbnail($from, $to, $maxwidth, $maxheight)
{
$ext = EFileSystem::get_file_extension($from);
if (!(list($width, $height, $type, $attr) = getimagesize($from))) {
ELog::error("{$from} |");
}
if ($width > $height) {
$x = $width / $maxwidth;
$fwidth = floor($width / $x);
$fheight = floor($height / $x);
}
if ($width < $height) {
$x = $height / $maxheight;
$fheight = floor($height / $x);
$fwidth = floor($width / $x);
}
if ($width == $height) {
if ($maxwidth > $maxheight) {
$max = $maxheight;
} else {
$max = $maxwidth;
}
$x = $height / $max;
$fheight = floor($height / $x);
$fwidth = floor($width / $x);
}
$thumb = imagecreatetruecolor($fwidth, $fheight);
if ($ext == "jpg" or $ext == "jpeg") {
$source = imagecreatefromjpeg($from);
}
if ($ext == "png") {
$source = imagecreatefrompng($from);
}
imagecopyresized($thumb, $source, 0, 0, 0, 0, $fwidth, $fheight, $width, $height);
if ($ext == "jpg" or $ext == "jpeg") {
imagejpeg($thumb, $to, 100);
}
if ($ext == "png") {
imagepng($thumb, $to, 1);
}
if ($ext != "jpg" or $ext != "jpeg" or $ext != "png") {
return false;
} else {
return true;
}
}
