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image_hwstring()

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

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

Description

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.

Parameters

$widthint|stringrequired
Image width in pixels.
$heightint|stringrequired
Image height in pixels.

Return

string HTML attributes for width and, or height.

Source

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

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Used byDescription
wp_img_tag_add_width_and_height_attr()wp-includes/media.php

Adds width and height attributes to an img HTML tag.

get_image_tag()wp-includes/media.php

Gets an img tag for an image attachment, scaling it down if requested.

wp_get_attachment_image()wp-includes/media.php

Gets an HTML img element representing an image attachment.

Changelog

VersionDescription
2.5.0Introduced.

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