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get_header_image() can return false. In Custom_Image_Header->step_1(), check the value before setting the background-image portion of the style attribute. Setting the the URL to empty string will cause the current request to be set as the source of the background image.

Browse Source 
See #30799.


git-svn-id: https://develop.svn.wordpress.org/trunk@31130 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Scott Taylor
2015-01-10 21:07:54 +00:00
parent 0f54cc95b3
commit d4c4205f31
1 changed files with 8 additions and 1 deletions
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9
src/wp-admin/custom-header.php
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@@ -554,7 +554,14 @@ class Custom_Image_Header {
call_user_func( $this->admin_image_div_callback );
} else {
$custom_header = get_custom_header();
$header_image_style = 'background-image:url(' . esc_url( get_header_image() ) . ');';
$header_image = get_header_image();
if ( $header_image ) {
$header_image_style = 'background-image:url(' . esc_url( $header_image ) . ');';
} else {
$header_image_style = '';
}
if ( $custom_header->width )
$header_image_style .= 'max-width:' . $custom_header->width . 'px;';
if ( $custom_header->height )