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achmizs
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pastebin-embed.php
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218
pastebin-embed.php
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<?php if (!defined('PmWiki')) exit();
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$RecipeInfo['Pastebin Embed']['Version'] = '2017-12-27';
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## (:pastebin-embed:)
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Markup('pastebin-embed', '<fulltext', '/\\(:pastebin-embed\\s+(.+)\\s*:\\)/', 'PastebinEmbed');
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SDV($PastebinEmbedHighlightStyle, "background-color: yellow;");
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function PastebinEmbed ($m) {
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static $id = 1;
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## Parse arguments to the markup.
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$parsed = ParseArgs($m[1]);
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## These are the "bare" arguments (ones which don't require a key, just value(s)).
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$args = $parsed[''];
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$paste_id = $args[0];
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$noJS = in_array('no-js', $args);
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$noFooter = in_array('nofooter', $args);
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$noLineNumbers = in_array('nolinenums', $args);
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$raw = in_array('raw', $args);
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$noPre = in_array('no-pre', $args);
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## Convert the comma-delimited line ranges to an array containing each line to be
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## included as values.
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## Note that the line numbers will be zero-indexed (for use with raw text, etc.).
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$line_ranges = $parsed['lines'] ? explode(',', $parsed['lines']) : array();
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$line_numbers = array();
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$to_end_from = -1;
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foreach ($line_ranges as $key => $line_range) {
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if (preg_match("/([0-9]+)[-–]([0-9]+)/", $line_range, $m)) {
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$line_numbers = array_merge($line_numbers, range(--$m[1],--$m[2]));
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} else if (preg_match("/([0-9]+)[-–]$/", $line_range, $m)) {
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$line_numbers[] = $to_end_from = --$m[1];
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} else {
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$line_numbers[] = --$line_range;
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}
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}
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## Same thing, but for highlighted line ranges.
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$hl_line_ranges = $parsed['hl'] ? explode(',', $parsed['hl']) : array();
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$hl_line_numbers = array();
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$hl_to_end_from = -1;
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foreach ($hl_line_ranges as $key => $hl_line_range) {
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if (preg_match("/([0-9]+)[-–]([0-9]+)/", $hl_line_range, $m)) {
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$hl_line_numbers = array_merge($hl_line_numbers, range(--$m[1],--$m[2]));
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} else if (preg_match("/([0-9]+)[-–]$/", $hl_line_range, $m)) {
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$hl_line_numbers[] = $hl_to_end_from = --$m[1];
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} else {
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$hl_line_numbers[] = --$hl_line_range;
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}
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}
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$embed_js_url = "https://pastebin.com/embed_js/$paste_id";
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$embed_iframe_url = "https://pastebin.com/embed_iframe/$paste_id";
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$embed_raw_url = "https://pastebin.com/raw/$paste_id";
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$out = "<span class='pastebin-embed-error'>Unknown error.</span>";
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## There are three 'modes': raw (retrieve just the text, client-side, and insert it
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## into the page), no-js (retrieve the HTML, server-side, and insert it into the
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## page), and default (i.e., JS-based - insert the scriptlet, and let it retrieve and
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## insert the HTML into the page, client-side & async).
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## The mode is set by arguments to the (:pastebin-embed:) markup:
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## - if neither the 'raw' nor the 'no-js' option is given, default (JS) mode is used
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## - if the 'raw' option is given, raw mode is used
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## - if the 'no-js' option is given, no-js mode is used
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if ($raw) {
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$raw_text = file_get_contents($embed_raw_url);
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if (!$raw_text) return Keep("<span class='pastebin-embed-error'>Could not retrieve paste!</span>");
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$raw_lines = explode("\n", $raw_text);
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## Convert HTML entities.
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if (!$noPre) {
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foreach ($raw_lines as $line)
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$line = PVSE($line);
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}
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## Highlighting only works if no-pre is NOT enabled.
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if (!empty($hl_line_numbers) && !$noPre) {
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if ($hl_to_end_from >= 0)
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$hl_line_numbers = array_merge($hl_line_numbers, range($hl_to_end_from, count($raw_lines) - 1));
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foreach ($hl_line_numbers as $l) {
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$raw_lines[$l] = "<span class='pastebin-embed-highlighted-line'>" . rtrim($raw_lines[$l]) . "</span>";
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}
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}
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## Filter by line number ranges, if specified.
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if (!empty($line_numbers)) {
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if ($to_end_from >= 0)
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$line_numbers = array_merge($line_numbers, range($to_end_from, count($raw_lines) - 1));
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$raw_lines = array_intersect_key($raw_lines, array_flip($line_numbers));
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}
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$raw_text = implode("\n", $raw_lines);
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## The 'no-pre' option means we shouldn't wrap the text in a <pre> tag.
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$out = $noPre ? $raw_text : Keep("<pre class='escaped embedPastebinRaw' id='pastebinEmbed_$id'>\n" . $raw_text . "\n</pre>\n");
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} else if ($noJS) {
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include_once('simple_html_dom.php');
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$content_html = file_get_html($embed_iframe_url);
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if (!$content_html) return Keep("<span class='pastebin-embed-error'>Could not retrieve paste!</span>");
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$content = $content_html->find(".embedPastebin", 0);
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$content->id = "pastebinEmbed_$id";
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$styles_html = file_get_html($embed_js_url);
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if (!$styles_html) return Keep("<span class='pastebin-embed-error'>Could not retrieve styles!</span>");
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$styles = $styles_html->find("style", 0);
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## Filter specified line ranges (if any have been specified via the lines=
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## parameter).
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if (!empty($line_numbers)) {
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$lines = $content_html->find(".embedPastebin > ol > li");
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if ($to_end_from >= 0)
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$line_numbers = array_merge($line_numbers, range($to_end_from, count($lines) - 1));
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foreach ($lines as $i => $line) {
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if (!in_array($i, $line_numbers))
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$line->outertext = '';
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else
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$line->value = ++$i;
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}
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}
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## Highlight specified line ranges (if any have been specified via the hl=
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## parameter).
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if (!empty($hl_line_numbers)) {
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$lines = $content_html->find(".embedPastebin > ol > li");
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if ($hl_to_end_from >= 0)
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$hl_line_numbers = array_merge($hl_line_numbers, range($hl_to_end_from, count($lines) - 1));
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foreach ($lines as $i => $line) {
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if (in_array($i, $hl_line_numbers)) {
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$line->children(0)->class .= " pastebin-embed-highlighted-line";
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}
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}
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}
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$out = Keep($styles.$content);
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} else {
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$out = Keep("<script id='pastebinEmbedScript_$id' src='$embed_js_url'></script>");
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if (!empty($hl_line_numbers) || !empty($line_numbers)) {
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$line_numbers_js = "[ ".implode(", ",$line_numbers)." ]";
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$hl_line_numbers_js = "[ ".implode(", ",$hl_line_numbers)." ]";
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$out .= Keep("
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<script>
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var num_lines = document.querySelector('#pastebinEmbedScript_$id').parentElement.nextSibling.querySelectorAll('.embedPastebin > ol > li').length;
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var line_numbers = $line_numbers_js;
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var to_end_from = $to_end_from;
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if (to_end_from >= 0)
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line_numbers = [...line_numbers, ...[...Array(num_lines - to_end_from)].map((_, i) => to_end_from + i)];
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var hl_line_numbers = $hl_line_numbers_js;
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var hl_to_end_from = $hl_to_end_from;
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if (hl_to_end_from >= 0)
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hl_line_numbers = [...hl_line_numbers, ...[...Array(num_lines - hl_to_end_from)].map((_, i) => hl_to_end_from + i)];
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document.querySelector('#pastebinEmbedScript_$id').parentElement.nextSibling.querySelectorAll('.embedPastebin > ol > li').forEach(function (line, i) {
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// Highlight specified line ranges (if any have been specified via the hl= parameter).
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if (hl_line_numbers.indexOf(i) != -1)
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line.firstChild.className += ' pastebin-embed-highlighted-line';
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// Filter specified line ranges (if any have been specified via the lines= parameter).
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if (line_numbers.length > 0) {
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if (line_numbers.indexOf(i) == -1)
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line.parentElement.removeChild(line);
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else
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line.value = ++i;
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}
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});
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</script>
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");
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}
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PastebinEmbedAppendFooter();
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}
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global $HTMLStylesFmt;
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if (!$raw && $noFooter) {
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$HTMLStylesFmt['pastebin-embed'][] = "#pastebinEmbed_$id .embedFooter { display: none; }\n";
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}
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if (!$raw && $noLineNumbers) {
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$HTMLStylesFmt['pastebin-embed'][] = "#pastebinEmbed_$id > ol { padding-left: 5px; }\n";
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}
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PastebinEmbedInjectStyles();
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$id++;
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return $out;
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}
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function PastebinEmbedAppendFooter() {
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static $ran_once = false;
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if (!$ran_once) {
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global $HTMLFooterFmt;
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$HTMLFooterFmt[] =
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"<script>
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document.querySelectorAll('div.embedPastebin').forEach(function (embed) {
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if (embed.previousSibling && embed.previousSibling.tagName == 'P') {
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embed.id = 'pastebinEmbed_' + embed.previousSibling.firstChild.id.substring(20);
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}
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});
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</script>\n";
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}
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$ran_once = true;
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}
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function PastebinEmbedInjectStyles() {
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static $ran_once = false;
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if (!$ran_once) {
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global $HTMLStylesFmt, $PastebinEmbedHighlightStyle;
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$styles = "
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.embedPastebinRaw .pastebin-embed-highlighted-line { $PastebinEmbedHighlightStyle display: inline-block; width: calc(100% + 4px); padding-left: 4px; margin-left: -4px; }
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.embedPastebin li .pastebin-embed-highlighted-line { $PastebinEmbedHighlightStyle }
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";
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$HTMLStylesFmt['pastebin-embed'][] = $styles;
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}
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$ran_once = true;
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}
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1721
simple_html_dom.php
Normal file
1721
simple_html_dom.php
Normal file
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