function test_ensure_valid_url_with_null()
{
$this->assertEquals('http://', ensure_valid_url(NULL));
// WTF
}
function imgix_replace_content_cdn($content)
{
global $imgix_options;
$slink = ensure_valid_url($imgix_options['cdn_link']);
$auto_format = $imgix_options['auto_format'];
$auto_enhance = $imgix_options['auto_enhance'];
if (!empty($slink)) {
// 1) Apply imgix host
// img src tags
$content = str_replace('src="' . home_url('/') . 'wp-content/', 'src="' . $slink . 'wp-content/', $content);
$content = str_replace('src=\'' . home_url('/') . 'wp-content/', 'src=\'' . $slink . 'wp-content/', $content);
// img href tags
$content = str_replace('href="' . home_url('/') . 'wp-content/', 'href="' . $slink . 'wp-content/', $content);
$content = str_replace('href=\'' . home_url('/') . 'wp-content/', 'href=\'' . $slink . 'wp-content/', $content);
$data_w_h = imgix_extract_img_details($content);
// 2) Handle Auto options
$autos = array();
$auto_params = '';
if ($auto_format === "1") {
array_push($autos, "format");
}
if ($auto_enhance === "1") {
array_push($autos, "enhance");
}
if (sizeof($autos) > 0) {
$auto_params = 'auto=' . implode(',', $autos);
}
// 3) Apply the h/w img params and any that already existed (text html edits)
foreach ($data_w_h as $k => $v) {
$extra = strlen($v['extra']) > 0 ? '&' . $v['extra'] : '';
$to_replace = $v['raw'];
$new_url = '.' . $v['type'] . '?h=' . $v['h'] . '&w=' . $v['w'] . $extra;
$content = str_replace($to_replace, $new_url, $content);
}
// 4) Apply the auto_params
$imgs = imgix_extract_imgs($content);
foreach ($imgs as $k => $v) {
if (strlen($v['params']) > 0) {
$new_url = $v['url'] . '?' . $auto_params . '&' . $v['params'];
$to_replace = $v['url'] . '?' . $v['params'];
} else {
$to_replace = $v['url'];
$new_url = $v['url'] . '?' . $auto_params;
}
$to_replace .= '"';
$new_url .= '"';
if (strlen($to_replace) > 0) {
$content = str_replace($to_replace, $new_url, $content);
}
}
return $content;
}
return $content;
}
/**
* Finds references to the wordpress site URL in the given string,
* (optionally prefixed by "src"), and changes them to the imgix URL.
*
* @return array An array countaining the final string, and a boolean value
* indicating if it's different from the given input string.
*/
function replace_host($str, $require_prefix = false)
{
global $imgix_options;
$new_host = ensure_valid_url($imgix_options['cdn_link']);
if (!$new_host) {
return array($str, false);
}
// As soon as srcset is supported…
//$prefix = $require_prefix? 'srcs?e?t?=[\'"]|,[\S+\n\r\s]*': '';
$prefix = $require_prefix ? 'src=[\'"]' : '';
$src = '(' . preg_quote(home_url('/'), '/') . '|\\/\\/)';
$patt = '/(' . $prefix . ')' . $src . '/i';
$str = preg_replace($patt, '$1' . $new_host, $str, -1, $count);
return array($str, (bool) $count);
}
