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POWhy doesn't my properly defined variable evaluate for length correctly (and subsequently work in the rest of my code)?
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copied!<p>I employed the answer Marc B suggested and still got nothing in the variable when I echo'd it after the while loop, so I added a few checks to show status of things as they were processed through the code. When the if/else statement runs next, it shows the result that there is length to the variable. The next if/else statement branches to the else statement and then takes the else statement in the next if/else saying the xpath found nothing. So obviously when I go to use the variable $BEmp3s, it has nothing in it.</p> <p>This doesn't make much sense to me since in the beginning, the echo of $BEpost_content shows the proper content in its entirety but the evaluation on its length shows nothing/NULL? Please help!</p> <pre><code><?php // Start MP3 URL $doc = new DOMDocument(); $doc->strictErrorChecking = FALSE; $xpath = new DOMXpath($doc); // End MP3 URL $a = 1; if (have_posts()) : while ( have_posts() ) : the_post(); ?> <?php $BEpost_content = get_the_content(); if (strlen($BEpost_content) > 0) { echo "<div id='debug_content'>get_the_content has something</div>"; } else { echo "<div id='debug_content'>BEpost_content is empty</div>" ; }; $success = $doc->loadHTML($BEpost_content); if ($success === FALSE) { echo "<div id='debug_loadcontent'>loadHTML failed to load post content</div>"; } else { $hrefs = $xpath->query("//a[contains(@href,'mp3')]/@href"); if ($hrefs->length > 0) { echo "<div id='debug_xpath'>xpath found something</div>"; } else { echo "<div id='debug_xpath'>xpath found nothing</div>"; }; $BEmp3s = $hrefs->item(0); }; ?> </code></pre> <p>Here is the function get_the_content() which returns a string to my knowledge:</p> <pre><code>function get_the_content($more_link_text = null, $stripteaser = 0) { global $post, $more, $page, $pages, $multipage, $preview; if ( null === $more_link_text ) $more_link_text = __( '(more...)' ); $output = ''; $hasTeaser = false; // If post password required and it doesn't match the cookie. if ( post_password_required($post) ) { $output = get_the_password_form(); return $output; } if ( $page > count($pages) ) // if the requested page doesn't exist $page = count($pages); // give them the highest numbered page that DOES exist $content = $pages[$page-1]; if ( preg_match('//', $content, $matches) ) { $content = explode($matches[0], $content, 2); if ( !empty($matches[1]) && !empty($more_link_text) ) $more_link_text = strip_tags(wp_kses_no_null(trim($matches[1]))); $hasTeaser = true; } else { $content = array($content); } if ( (false !== strpos($post->post_content, '') && ((!$multipage) || ($page==1))) ) $stripteaser = 1; $teaser = $content[0]; if ( ($more) && ($stripteaser) && ($hasTeaser) ) $teaser = ''; $output .= $teaser; if ( count($content) > 1 ) { if ( $more ) { $output .= '<span id="more-' . $post->ID . '"></span>' . $content[1]; } else { if ( ! empty($more_link_text) ) $output .= apply_filters( 'the_content_more_link', ' <a href="' . get_permalink() . "#more-{$post->ID}\" class=\"more-link\">$more_link_text</a>", $more_link_text ); $output = force_balance_tags($output); } } if ( $preview ) // preview fix for javascript bug with foreign languages $output = preg_replace_callback('/\%u([0-9A-F]{4})/', '_convert_urlencoded_to_entities', $output); return $output; </code></pre> <p>}</p>

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