81 lines
2.5 KiB
PHP
Executable File
81 lines
2.5 KiB
PHP
Executable File
<?php
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/*
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* Plugin Name: ReadMore
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* Plugin URI: http://www.nowhereland.it/
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* Description: ReadMore plugin. Chops a lengthy entry and appends a "read more" link :)
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* Author: NoWhereMan
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* Version: 0.703
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* Author URI: http://www.nowhereland.it/
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*/
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// $MODE specifies when you want to chop your entry
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// 'auto' will chop your entry at the value
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// specified in $CHOP_AT
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// 'manual' will chop your entry only when a [more] tag is found in
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// the content
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// 'semiauto' will chop your entry at the [more] tag. If no such a tag
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// is found, the entry is chopped at the value specified in $CHOP_AT
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// 'sentence' will chop your entry after $CHOP_AT sentences
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// WARNING! 'auto' and 'semiauto' modes need improvements! unclosed tags
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// at the chop point will probably result in validation errors!
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// If you're willing to improve it (using a quick but efficient algorithm
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// feel free and then let us know :) )
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// we recommend using $MODE = 'manual' (SPB legacy behaviour :) )
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function plugin_readmore_main($string) {
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global $fp_params;
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$MODE = 'manual';
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$CHOP_AT = 4; // characters or sentences
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$lang = lang_load('plugin:readmore');
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$readmoreString = $lang ['plugin'] ['readmore'] ['readmore'];
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global $fpdb;
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$q = & $fpdb->getQuery();
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if (($q && !$q->single) && !isset($_GET ['page'])) {
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if ($q)
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list ($id) = $q->getLastEntry();
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else
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$id = '';
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if ($MODE == 'auto' || $MODE == 'semiauto') {
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if (strlen($string) > $CHOP_AT) {
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return substr($string, 0, $CHOP_AT) . "… <span class=\"readmore\"><a href=\"" . get_permalink($id) . "#readmore-{$id}\">" . $readmoreString . "</a></span>";
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}
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}
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if ($MODE == 'manual' || $MODE == 'semiauto') {
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if (($p = strpos($string, '[more]')) !== false) {
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return substr($string, 0, $p) . "<span class=\"readmore\"><a href=\"" . get_permalink($id) . "#readmore-{$id}\">" . $readmoreString . "</a></span>";
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}
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} elseif ($MODE == 'sentence') {
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$matches = array();
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if ($v = preg_match_all('|[.!?]\s|', $string, $matches, PREG_OFFSET_CAPTURE)) {
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if (count($matches [0]) > $CHOP_AT) {
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$string = substr($string, 0, $matches [0] [$CHOP_AT - 1] [1]) . ". <span class=\"readmore\"><a href=\"" . get_permalink($id) . "#readmore-{$id}\">" . $readmoreString . "</a></span>";
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}
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}
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}
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}
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if (($q && $q->single) || isset($fp_params ['entry'])) {
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$string = str_replace('[more]', "<a id=\"readmore-{$fp_params['entry']}\"></a>", $string);
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}
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return $string;
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}
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add_filter('the_content', 'plugin_readmore_main', 1);
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?>
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