The previous_image_link WordPress PHP function displays the previous image link that has the same post parent.
Usage
previous_image_link( $size, $text )
Example:
previous_image_link( 'thumbnail', 'Previous Image' )
Parameters
-
$size(string|int[]|Optional) – Image size. Accepts any registered image size name, or an array of width and height values in pixels (in that order). Default: ‘thumbnail’.
-
$text(string|false|Optional) – Link text. Default: false.
More information
See WordPress Developer Resources: previous_image_link
Examples
Default Usage
Display the previous image link with default settings.
<div class="alignleft"> <?php previous_image_link(); ?> </div>
Choose a Recognized Image Size
Display the previous image link with different image sizes.
<?php previous_image_link( 'thumbnail' ); ?> <?php previous_image_link( 'medium' ); ?> <?php previous_image_link( 'large' ); ?> <?php previous_image_link( 'fullsize' ); ?>
Define a Custom Image Size
Display the previous image link with a custom image size (37×37 pixels).
<?php previous_image_link( array( 37, 37 ) ); ?>
Use the Image’s Title as Link Text
Display the previous image link using the image’s title value as the link text.
<?php previous_image_link( false ); ?> <?php previous_image_link( 0 ); ?>
Use a Custom String as Link Text
Display the previous image link with custom link text.
<?php previous_image_link( false, 'Previous Image' ); ?>