img_caption_shortcode_width │ filter-hook │ WP 3.7.0

Filters the width of an image's caption.

By default, the caption is 10 pixels greater than the width of the image, to prevent post content from running up against a floated image.

Usage

add_filter( 'img_caption_shortcode_width', 'wp_kama_img_caption_shortcode_width_filter', 10, 3 );

/**
 * Function for `img_caption_shortcode_width` filter-hook.
 * 
 * @param int    $width   Width of the caption in pixels. To remove this inline style, return zero.
 * @param array  $atts    Attributes of the caption shortcode.
 * @param string $content The image element, possibly wrapped in a hyperlink.
 *
 * @return int
 */
function wp_kama_img_caption_shortcode_width_filter( $width, $atts, $content ){
	// filter...
	return $width;
}

$width(int)

Width of the caption in pixels. To remove this inline style, return zero.

$atts(array)

Attributes of the caption shortcode.

$content(string)

The image element, possibly wrapped in a hyperlink.

Changelog

Where the hook is called

$caption_width = apply_filters( 'img_caption_shortcode_width', $width, $atts, $content );

Where the hook is used in WordPress