image_hwstring( int|string $width, int|string $height ): string

Retrieves width and height attributes using given width and height values.


Both attributes are required in the sense that both parameters must have a value, but are optional in that if you set them to false or null, then they will not be added to the returned string.

You can set the value using a string, but it will only take numeric values.
If you wish to put ‘px’ after the numbers, then it will be stripped out of the return.

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$width int|string Required
Image width in pixels.
$height int|string Required
Image height in pixels.

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string HTML attributes for width and, or height.

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File: wp-includes/media.php. View all references

function image_hwstring( $width, $height ) {
	$out = '';
	if ( $width ) {
		$out .= 'width="' . (int) $width . '" ';
	if ( $height ) {
		$out .= 'height="' . (int) $height . '" ';
	return $out;

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Version Description
2.5.0 Introduced.

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