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<?php |
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|
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/** |
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* E2pdf Filter Model |
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* |
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* @copyright Copyright 2017 https://e2pdf.com |
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* @license GPL v2 |
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* @version 1 |
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* @link https://e2pdf.com |
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* @since 1.06.02 |
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*/ |
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if (!defined('ABSPATH')) { |
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die('Access denied.'); |
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} |
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|
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class Model_E2pdf_Filter extends Model_E2pdf_Model { |
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|
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function __construct() { |
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parent::__construct(); |
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} |
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|
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public function pre_filter($content) { |
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if (false === strpos($content, '[')) { |
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return $content; |
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} |
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|
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$shortcode_tags = array( |
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'e2pdf-download', |
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'e2pdf-save', |
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'e2pdf-view', |
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'e2pdf-adobesign', |
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'e2pdf-attachment' |
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); |
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|
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preg_match_all('@\[([^<>&/\[\]\x00-\x20=]++)@', $content, $matches); |
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$tagnames = array_intersect($shortcode_tags, $matches[1]); |
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|
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if (!empty($tagnames)) { |
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preg_match_all('/(?:(\[))(?>[^][]++|(?R))*\]/', $content, $matches); |
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foreach ($matches[0] as $key => $shortcode_value) { |
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if (false !== strpos($shortcode_value, 'e2pdf-download') || |
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false !== strpos($shortcode_value, 'e2pdf-save') || |
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false !== strpos($shortcode_value, 'e2pdf-view') || |
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false !== strpos($shortcode_value, 'e2pdf-adobesign') || |
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false !== strpos($shortcode_value, 'e2pdf-attachment') |
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) { |
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$new_shortcode_value = preg_replace('/([\w+\-]+)\=("|\')(.+?)\2/', '${1}=${2}[e2pdf-filter]${3}[/e2pdf-filter]${2}', $shortcode_value); |
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$content = str_replace($shortcode_value, $new_shortcode_value, $content); |
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} |
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} |
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} |
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|
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return $content; |
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} |
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|
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public function filter($content) { |
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|
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if (false === strpos($content, '[')) { |
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return $content; |
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} |
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|
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$shortcode_tags = array( |
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'e2pdf-filter', |
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); |
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|
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preg_match_all('@\[([^<>&/\[\]\x00-\x20=]++)@', $content, $matches); |
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$tagnames = array_intersect($shortcode_tags, $matches[1]); |
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|
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if (!empty($tagnames)) { |
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$pattern = get_shortcode_regex($tagnames); |
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|
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preg_match_all("/$pattern/", $content, $shortcodes); |
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foreach ($shortcodes[0] as $key => $shortcode_value) { |
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|
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$shortcode = array(); |
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$shortcode[1] = $shortcodes[1][$key]; |
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$shortcode[2] = $shortcodes[2][$key]; |
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$shortcode[3] = $shortcodes[3][$key]; |
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$shortcode[4] = $shortcodes[4][$key]; |
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$shortcode[5] = $shortcodes[5][$key]; |
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$shortcode[6] = $shortcodes[6][$key]; |
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|
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$content = str_replace($shortcode_value, do_shortcode_tag($shortcode), $content); |
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} |
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} |
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|
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return $content; |
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} |
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|
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} |
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|
