Simplify caption cleanup callbacks; if the function was called we know that the 0 index is set. See #20369.
git-svn-id: http://svn.automattic.com/wordpress/trunk@20381 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -165,21 +165,17 @@ function image_add_caption( $html, $id, $caption, $title, $align, $url, $size, $
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add_filter( 'image_send_to_editor', 'image_add_caption', 20, 8 );
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// Private, preg_replace callback used in image_add_caption()
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function _cleanup_image_add_caption($str) {
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if ( isset( $str[0] ) ) {
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// remove any line breaks from inside the tags
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$s = preg_replace( '/[\r\n\t]+/', ' ', $str[0] );
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// look for single quotes inside html attributes (for example in title)
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$s = preg_replace_callback( '/="[^"]+"/', '_cleanup_image_add_caption2', $s );
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return str_replace( '"', "'", $s );
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}
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return '';
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function _cleanup_image_add_caption( $matches ) {
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// remove any line breaks from inside the tags
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$s = preg_replace( '/[\r\n\t]+/', ' ', $matches[0] );
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// look for single quotes inside html attributes (for example in title)
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$s = preg_replace_callback( '/="[^"]+"/', '_cleanup_image_add_caption2', $s );
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return str_replace( '"', "'", $s );
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}
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// Private, preg_replace callback used in image_add_caption()
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function _cleanup_image_add_caption2($str) {
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return ( isset( $str[0] ) ) ? str_replace( "'", ''', $str[0] ) : '';
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function _cleanup_image_add_caption2( $matches ) {
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return str_replace( "'", ''', $matches[0] );
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}
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/**
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