function test_tevkori_get_sizes_string()
{
// make an image
$id = $this->_test_img();
$sizes = tevkori_get_sizes($id, 'medium');
$sizes_string = tevkori_get_sizes_string($id, 'medium');
$expected = 'sizes="' . $sizes . '"';
$this->assertSame($expected, $sizes_string);
}
/**
* Filter to add srcset and sizes attributes to post thumbnails and gallery images.
*
* @see wp_get_attachment_image_attributes
* @return array Attributes for image.
*/
function tevkori_filter_attachment_image_attributes($attr, $attachment, $size)
{
if (!isset($attr['srcset'])) {
$srcset = tevkori_get_srcset($attachment->ID, $size);
// Set the srcset attribute if one was returned.
if ($srcset) {
$attr['srcset'] = $srcset;
if (!isset($attr['sizes'])) {
$sizes = tevkori_get_sizes($attachment->ID, $size);
// Set the sizes attribute if sizes were returned.
if ($sizes) {
$attr['sizes'] = $sizes;
}
}
}
}
return $attr;
}
/**
* @expectedDeprecated tevkori_get_sizes
* @expectedDeprecated tevkori_get_sizes_string
*/
function test_tevkori_get_sizes_string()
{
// Make an image.
$id = self::$large_id;
$sizes = tevkori_get_sizes($id, 'medium');
$sizes_string = tevkori_get_sizes_string($id, 'medium');
$expected = 'sizes="' . $sizes . '"';
$this->assertSame($expected, $sizes_string);
}
/**
* Filter to add srcset attributes to post_thumbnails
*
* @see 'post_thumbnail_html'
* @return string HTML for image.
*/
function tevkori_filter_post_thumbnail_html($html, $post_id, $post_thumbnail_id, $size, $attr)
{
// if the HTML is empty, short circuit
if ('' === $html) {
return;
}
$sizes = tevkori_get_sizes($post_thumbnail_id, $size);
// Build the data-sizes attribute if sizes were returned.
if ($sizes) {
$sizes = 'sizes="' . $sizes . '"';
}
$srcset = tevkori_get_srcset_string($post_thumbnail_id, $size);
$html = preg_replace('/(src\\s*=\\s*"(.+?)")/', '$1 ' . $sizes . ' ' . $srcset, $html);
return $html;
}
/**
* Returns a 'sizes' attribute.
*
* @since 2.2.0
* @deprecated 3.0.0 Use 'wp_get_attachment_image_sizes()'
*
* @see wp_get_attachment_image_sizes()
*
* @param int $id Image attachment ID.
* @param array|string $size Image size. Accepts any valid image size, or an array of width and height
* values in pixels (in that order). Default 'medium'.
* @param array $args {
* Optional. Arguments to retrieve posts.
*
* @type array|string $sizes An array or string containing of size information.
* @type int $width A single width value used in the default 'sizes' string.
* }
* @return string|bool A valid source size list as a 'sizes' attribute or false.
*/
function tevkori_get_sizes_string($id, $size = 'medium', $args = null)
{
_deprecated_function(__FUNCTION__, '3.0.0', 'wp_get_attachment_image_sizes()');
if ($args) {
$sizes = tevkori_get_sizes($id, $size, $args);
} else {
$sizes = wp_get_attachment_image_sizes($id, $size);
}
return $sizes ? 'sizes="' . esc_attr($sizes) . '"' : false;
}
/**
* Filter to add srcset and sizes attributes to post thumbnails and gallery images.
*
* @see wp_get_attachment_image_attributes
* @return array Attributes for image.
*/
function tevkori_filter_attachment_image_attributes($attr, $attachment, $size)
{
$attachment_id = $attachment->ID;
if (!isset($attr['sizes'])) {
$sizes = tevkori_get_sizes($attachment_id, $size);
// Build the sizes attribute if sizes were returned.
if ($sizes) {
$attr['sizes'] = $sizes;
}
}
if (!isset($attr['srcset'])) {
$srcset = tevkori_get_srcset($attachment_id, $size);
$attr['srcset'] = $srcset;
}
return $attr;
}
