本文整理汇总了PHP中pdf::get_pages方法的典型用法代码示例。如果您正苦于以下问题：PHP pdf::get_pages方法的具体用法？PHP pdf::get_pages怎么用？PHP pdf::get_pages使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类pdf的用法示例。
在下文中一共展示了pdf::get_pages方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: index
/**
* Index posts stored in $this->unindexedPosts
*
* @since 1.0
*/
function index()
{
global $wp_filesystem, $searchwp;
$this->check_for_parallel_indexer();
if (is_array($this->unindexedPosts) && count($this->unindexedPosts)) {
do_action('searchwp_indexer_pre_chunk', $this->unindexedPosts);
// all of the IDs to index have not been indexed, proceed with indexing them
while (($unindexedPost = current($this->unindexedPosts)) !== false) {
$this->setPost($unindexedPost);
// log the attempt
$count = get_post_meta($this->post->ID, '_' . SEARCHWP_PREFIX . 'attempts', true);
if ($count == false) {
$count = 0;
} else {
$count = intval($count);
}
$count++;
// increment our counter to prevent the indexer getting stuck on a gigantic PDF
update_post_meta($this->post->ID, '_' . SEARCHWP_PREFIX . 'attempts', $count);
do_action('searchwp_log', 'Attempt ' . $count . ' at indexing ' . $this->post->ID);
// if we breached the maximum number of attempts, flag it to skip
$this->maxAttemptsToIndex = absint(apply_filters('searchwp_max_index_attempts', $this->maxAttemptsToIndex));
if (intval($count) > $this->maxAttemptsToIndex) {
do_action('searchwp_log', 'Too many indexing attempts on ' . $this->post->ID . ' (' . $this->maxAttemptsToIndex . ') - skipping');
// flag it to be skipped
update_post_meta($this->post->ID, '_' . SEARCHWP_PREFIX . 'skip', true);
} else {
// check to see if we're running a second pass on terms
$termCache = get_post_meta($this->post->ID, '_' . SEARCHWP_PREFIX . 'terms', true);
if (!is_array($termCache)) {
do_action('searchwp_index_post', $this->post);
// if it's an attachment, we want the permalink
$slug = $this->post->post_type == 'attachment' ? str_replace(get_bloginfo('wpurl'), '', get_permalink($this->post->ID)) : '';
// we allow users to override the extracted content from documents, if they have done so this flag is set
$skipDocProcessing = get_post_meta($this->post->ID, '_' . SEARCHWP_PREFIX . 'skip_doc_processing', true);
$omitDocProcessing = apply_filters('searchwp_omit_document_processing', false);
if (!$skipDocProcessing && !$omitDocProcessing) {
// if it's a PDF we need to populate our Custom Field with it's content
if ($this->post->post_mime_type == 'application/pdf') {
// grab the filename of the PDF
$filename = get_attached_file($this->post->ID);
// allow for external PDF content extraction
$pdfContent = apply_filters('searchwp_external_pdf_processing', '', $filename, $this->post->ID);
// only try to extract content if the external processing has not provided the PDF content we're looking for
if (empty($pdfContent)) {
// PdfParser runs only on 5.3+ but SearchWP runs on 5.2+
if (version_compare(PHP_VERSION, '5.3', '>=')) {
include_once $searchwp->dir . '/vendor/pdfparser-bootloader.php';
}
// a wrapper class was conditionally included if we're running PHP 5.3+ so let's try that
if (class_exists('SearchWP_PdfParser')) {
// try PdfParser first
$parser = new SearchWP_PdfParser();
$parser = $parser->init();
$pdf = $parser->parseFile($filename);
$text = $pdf->getText();
$pdfContent = trim(str_replace("\n", " ", $text));
}
// try PDF2Text
if (empty($pdfContent)) {
if (!class_exists('PDF2Text')) {
include_once $searchwp->dir . '/includes/class.pdf2text.php';
}
$pdfParser = new PDF2Text();
$pdfParser->setFilename($filename);
$pdfParser->decodePDF();
$pdfContent = $pdfParser->output();
$pdfContent = trim(str_replace("\n", " ", $pdfContent));
}
// check to see if the first pass produced nothing or concatenated strings
$fullContentLength = strlen($pdfContent);
$numberOfSpaces = substr_count($pdfContent, ' ');
if (empty($pdfContent) || $numberOfSpaces / $fullContentLength * 100 < 10) {
WP_Filesystem();
$filecontent = $wp_filesystem->exists($filename) ? $wp_filesystem->get_contents($filename) : '';
if (false != strpos($filecontent, 'trailer')) {
if (!class_exists('pdf_readstream')) {
include_once $searchwp->dir . '/includes/class.pdfreadstream.php';
}
$pdfContent = '';
$pdf = new pdf(get_attached_file($this->post->ID));
$pages = $pdf->get_pages();
if (!empty($pages)) {
while (list($nr, $page) = each($pages)) {
$pdfContent .= $page->get_text();
}
}
} else {
// empty out the content so wacky concatenations are not indexed
$pdfContent = '';
// flag it for further review
update_post_meta($this->post->ID, '_' . SEARCHWP_PREFIX . 'review', true);
update_post_meta($this->post->ID, '_' . SEARCHWP_PREFIX . 'skip', true);
}
}
//.........这里部分代码省略.........
示例2: absint
/**
* Extract plain text from PDF
*
* @since 2.5
* @param $post_id integer The post ID of the PDF in the Media library
*
* @return string The contents of the PDF
*/
function extract_pdf_text( $post_id ) {
global $wp_filesystem, $searchwp;
$pdf_post = get_post( absint( $post_id ) );
// make sure it's a PDF
if ( 'application/pdf' !== $pdf_post->post_mime_type ) {
return '';
}
// grab the filename of the PDF
$filename = get_attached_file( absint( $post_id ) );
// make sure the file exists locally
if ( ! file_exists( $filename ) ) {
return '';
}
// PdfParser runs only on 5.3+ but SearchWP runs on 5.2+
if ( version_compare( PHP_VERSION, '5.3', '>=' ) ) {
/** @noinspection PhpIncludeInspection */
include_once( $searchwp->dir . '/vendor/pdfparser-bootloader.php' );
// a wrapper class was conditionally included if we're running PHP 5.3+ so let's try that
if ( class_exists( 'SearchWP_PdfParser' ) ) {
/** @noinspection PhpIncludeInspection */
include_once( $searchwp->dir . '/vendor/pdfparser/vendor/autoload.php' );
// try PdfParser first
$parser = new SearchWP_PdfParser();
$parser = $parser->init();
try {
$pdf = $parser->parseFile( $filename );
$pdfContent = $pdf->getText();
} catch (Exception $e) {
do_action( 'searchwp_log', 'PDF parsing failed: ' . $e->getMessage() );
return false;
}
}
}
// try PDF2Text
if ( empty( $pdfContent ) ) {
if ( ! class_exists( 'PDF2Text' ) ) {
/** @noinspection PhpIncludeInspection */
include_once( $searchwp->dir . '/vendor/class.pdf2text.php' );
}
$pdfParser = new PDF2Text();
$pdfParser->setFilename( $filename );
$pdfParser->decodePDF();
$pdfContent = $pdfParser->output();
$pdfContent = trim( str_replace( "\n", ' ', $pdfContent ) );
}
// check to see if the first pass produced nothing or concatenated strings
$fullContentLength = strlen( $pdfContent );
$numberOfSpaces = substr_count( $pdfContent, ' ' );
if ( empty( $pdfContent ) || ( ( $numberOfSpaces / $fullContentLength ) * 100 < 10 ) ) {
WP_Filesystem();
if ( method_exists( $wp_filesystem, 'exists' ) && method_exists( $wp_filesystem, 'get_contents' ) ) {
$filecontent = $wp_filesystem->exists( $filename ) ? $wp_filesystem->get_contents( $filename ) : '';
} else {
$filecontent = '';
}
if ( false != strpos( $filecontent, 'trailer' ) ) {
if ( ! class_exists( 'pdf_readstream' ) ) {
/** @noinspection PhpIncludeInspection */
include_once( $searchwp->dir . '/vendor/class.pdfreadstream.php' );
}
$pdfContent = '';
$pdf = new pdf( get_attached_file( $this->post->ID ) );
$pages = $pdf->get_pages();
if ( ! empty( $pages ) ) {
/** @noinspection PhpUnusedLocalVariableInspection */
while ( list( $nr, $page ) = each( $pages ) ) {
if ( method_exists( $page, 'get_text' ) ) {
$pdfContent .= $page->get_text();
}
}
}
} else {
// empty out the content so wacky concatenations are not indexed
$pdfContent = false;
}
}
return $pdfContent;
}