WordPress函数get_the_content()获取当前文章的正文内容

描述:

获取当前文章的正文内容

用法:

<?php get_the_content( $more_link_text, $stripteaser ) ?>

参数:

$more_link_text

(string) (可选) 当有更多文本时的内容。

默认值: null

$stripteaser

(boolean) (可选) 在更多的文本之前删除摘要内容。

默认值: false

示例:

<?php
$content = get_the_content('Read more');
print $content;
?>

源文件:

function get_the_content( $more_link_text = null, $strip_teaser = false, $post = null ) {
    global $page, $more, $preview, $pages, $multipage;
 
    $_post = get_post( $post );
 
    if ( ! ( $_post instanceof WP_Post ) ) {
        return '';
    }
 
    if ( null === $post ) {
        $elements = compact( 'page', 'more', 'preview', 'pages', 'multipage' );
    } else {
        $elements = generate_postdata( $_post );
    }
 
    if ( null === $more_link_text ) {
        $more_link_text = sprintf(
            '<span aria-label="%1$s">%2$s</span>',
            sprintf(
                /* translators: %s: Post title. */
                __( 'Continue reading %s' ),
                the_title_attribute(
                    array(
                        'echo' => false,
                        'post' => $_post,
                    )
                )
            ),
            __( '(more&hellip;)' )
        );
    }
 
    $output     = '';
    $has_teaser = false;
 
    // If post password required and it doesn't match the cookie.
    if ( post_password_required( $_post ) ) {
        return get_the_password_form( $_post );
    }
 
    if ( $elements['page'] > count( $elements['pages'] ) ) { // if the requested page doesn't exist
        $elements['page'] = count( $elements['pages'] ); // give them the highest numbered page that DOES exist
    }
 
    $page_no = $elements['page'];
    $content = $elements['pages'][ $page_no - 1 ];
    if ( preg_match( '/<!--more(.*?)?-->/', $content, $matches ) ) {
        if ( has_block( 'more', $content ) ) {
            // Remove the core/more block delimiters. They will be left over after $content is split up.
            $content = preg_replace( '/<!-- \/?wp:more(.*?) -->/', '', $content );
        }
 
        $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] ) ) );
        }
 
        $has_teaser = true;
    } else {
        $content = array( $content );
    }
 
    if ( false !== strpos( $_post->post_content, '<!--noteaser-->' ) && ( ! $elements['multipage'] || $elements['page'] == 1 ) ) {
        $strip_teaser = true;
    }
 
    $teaser = $content[0];
 
    if ( $elements['more'] && $strip_teaser && $has_teaser ) {
        $teaser = '';
    }
 
    $output .= $teaser;
 
    if ( count( $content ) > 1 ) {
        if ( $elements['more'] ) {
            $output .= '<span id="more-' . $_post->ID . '"></span>' . $content[1];
        } else {
            if ( ! empty( $more_link_text ) ) {
 
                /**
                 * Filters the Read More link text.
                 *
                 * @since 2.8.0
                 *
                 * @param string $more_link_element Read More link element.
                 * @param string $more_link_text    Read More text.
                 */
                $output .= apply_filters( 'the_content_more_link', ' <a href="' . get_permalink( $_post ) . "#more-{$_post->ID}\" class=\"more-link\">$more_link_text</a>", $more_link_text );
            }
            $output = force_balance_tags( $output );
        }
    }
 
    return $output;
}

 

 

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