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get_attachment_icon › WordPress Function

Depuis2.0.0
Dépréciée2.5.0
get_attachment_icon ( $id = 0, $fullsize = false, $max_dims = false )
Paramètres: (3)
  • (int) $id Optional. Post ID.
    Requis: Non
    Défaut:
  • (bool) $fullsize Optional. Whether to have full size image. Default false.
    Requis: Non
    Défaut: false
  • (array) $max_dims Optional. Dimensions of image.
    Requis: Non
    Défaut: false
Voir:
Retourne:
  • (string|false) HTML content.
Défini(e) dans:
Codex:

Retrieve HTML content of icon attachment image element.



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 );
}