Retrieve HTML content of icon attachment image element.
Description
See also
Parameters
$id
intoptional- Post ID.
$fullsize
booloptional- Whether to have full size image.
Default:
false
$max_dims
arrayoptional- Dimensions of image.
Default:
false
Source
function get_attachment_icon( $id = 0, $fullsize = false, $max_dims = false ) {
_deprecated_function( __FUNCTION__, '2.5.0', 'wp_get_attachment_image()' );
$id = (int) $id;
if ( !$post = get_post($id) )
return false;
if ( !$src = get_attachment_icon_src( $post->ID, $fullsize ) )
return false;
list($src, $src_file) = $src;
// Do we need to constrain the image?
if ( ($max_dims = apply_filters('attachment_max_dims', $max_dims)) && file_exists($src_file) ) {
$imagesize = wp_getimagesize($src_file);
if (($imagesize[0] > $max_dims[0]) || $imagesize[1] > $max_dims[1] ) {
$actual_aspect = $imagesize[0] / $imagesize[1];
$desired_aspect = $max_dims[0] / $max_dims[1];
if ( $actual_aspect >= $desired_aspect ) {
$height = $actual_aspect * $max_dims[0];
$constraint = "width='{$max_dims[0]}' ";
$post->iconsize = array($max_dims[0], $height);
} else {
$width = $max_dims[1] / $actual_aspect;
$constraint = "height='{$max_dims[1]}' ";
$post->iconsize = array($width, $max_dims[1]);
}
} else {
$post->iconsize = array($imagesize[0], $imagesize[1]);
$constraint = '';
}
} else {
$constraint = '';
}
$post_title = esc_attr($post->post_title);
$icon = "<img src='$src' title='$post_title' alt='$post_title' $constraint/>";
return apply_filters( 'attachment_icon', $icon, $post->ID );
}
Changelog
Version | Description |
---|---|
2.5.0 | Use wp_get_attachment_image() |
2.0.0 | Introduced. |
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