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Eliminate use of `extract()` in `wp_link_pages()`. 

Adds unit tests to a new file: `tests/post/template.php`. 
There were previously no unit tests for `wp_link_pages()`.
	
See #22400.

Built from https://develop.svn.wordpress.org/trunk@28398


git-svn-id: http://core.svn.wordpress.org/trunk@28226 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Scott Taylor 2014-05-15 00:44:14 +00:00
parent d5acdd82c8
commit fe2d90ab4f
1 changed files with 28 additions and 29 deletions
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57
wp-includes/post-template.php
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@ -739,29 +739,28 @@ function wp_link_pages( $args = '' ) {
'echo' => 1
);
$r = wp_parse_args( $args, $defaults );
$params = wp_parse_args( $args, $defaults );
/**
* Filter the arguments used in retrieving page links for paginated posts.
*
* @since 3.0.0
*
* @param array $r An array of arguments for page links for paginated posts.
* @param array $params An array of arguments for page links for paginated posts.
*/
$r = apply_filters( 'wp_link_pages_args', $r );
extract( $r, EXTR_SKIP );
$r = apply_filters( 'wp_link_pages_args', $params );
global $page, $numpages, $multipage, $more;
$output = '';
if ( $multipage ) {
if ( 'number' == $next_or_number ) {
$output .= $before;
if ( 'number' == $r['next_or_number'] ) {
$output .= $r['before'];
for ( $i = 1; $i <= $numpages; $i++ ) {
$link = $link_before . str_replace( '%', $i, $pagelink ) . $link_after;
if ( $i != $page || ! $more && 1 == $page )
$link = $r['link_before'] . str_replace( '%', $i, $r['pagelink'] ) . $r['link_after'];
if ( $i != $page || ! $more && 1 == $page ) {
$link = _wp_link_page( $i ) . $link . '</a>';
}
/**
* Filter the HTML output of individual page number links.
*
@ -771,28 +770,28 @@ function wp_link_pages( $args = '' ) {
* @param int $i Page number for paginated posts' page links.
*/
$link = apply_filters( 'wp_link_pages_link', $link, $i );
$output .= $separator . $link;
$output .= $r['separator'] . $link;
}
$output .= $after;
$output .= $r['after'];
} elseif ( $more ) {
$output .= $before;
$i = $page - 1;
if ( $i ) {
$link = _wp_link_page( $i ) . $link_before . $previouspagelink . $link_after . '</a>';
$output .= $r['before'];
$prev = $page - 1;
if ( $prev ) {
$link = _wp_link_page( $prev ) . $r['link_before'] . $r['previouspagelink'] . $r['link_after'] . '</a>';
/** This filter is documented in wp-includes/post-template.php */
$link = apply_filters( 'wp_link_pages_link', $link, $i );
$output .= $separator . $link;
$link = apply_filters( 'wp_link_pages_link', $link, $prev );
$output .= $r['separator'] . $link;
}
$i = $page + 1;
if ( $i <= $numpages ) {
$link = _wp_link_page( $i ) . $link_before . $nextpagelink . $link_after . '</a>';
$next = $page + 1;
if ( $next <= $numpages ) {
$link = _wp_link_page( $next ) . $r['link_before'] . $r['nextpagelink'] . $r['link_after'] . '</a>';
/** This filter is documented in wp-includes/post-template.php */
$link = apply_filters( 'wp_link_pages_link', $link, $i );
$output .= $separator . $link;
$link = apply_filters( 'wp_link_pages_link', $link, $next );
$output .= $r['separator'] . $link;
}
$output .= $after;
$output .= $r['after'];
}
}
@ -801,15 +800,15 @@ function wp_link_pages( $args = '' ) {
*
* @since 3.6.0
*
* @param string $output HTML output of paginated posts' page links.
* @param string $html HTML output of paginated posts' page links.
* @param array $args An array of arguments.
*/
$output = apply_filters( 'wp_link_pages', $output, $args );
$html = apply_filters( 'wp_link_pages', $output, $args );
if ( $echo )
echo $output;
return $output;
if ( $r['echo'] ) {
echo $html;
}
return $html;
}
/**