从媒体库中获取图像。纠结于代码吗？

与此代码斗争，条件起作用，我获得wp\\u get\\u attachment\\u url的唯一方法是循环使用它，但这样会从媒体库输出尽可能多的图像，而我只想要一个？

  <div class="tvimage">
  <?php
    if ($imgurlbase != \'\' ) { ?>

    <img src="<?php bloginfo(\'template_url\'); ?>/timthumb.php?src=<?php echo $imgurlbase . $imgfromtv; ?>&h=62&w=75" alt="<?php echo $programme; ?>">

            <?php } elseif ($imgurlbase == \'\' ) { ?>

            <?php
    $args = array(
        \'post_type\' => \'attachment\',
        \'numberposts\' => -1,
        \'post_status\' => null,
        \'post_parent\' => null,
        ); 
    $attachments = get_posts( $args );


                foreach ( $attachments as $attachment ) {

                    if ($attachment->post_title == $programme) {
                            echo wp_get_attachment_url($attachment->ID);
                        }
                    else {
                    echo \'<img src="\';
                    echo bloginfo(\'template_url\');
                    echo \'/images/nontvimg.jpg" alt="no tv image" />\';
                    }

                }


    ?>



            <?php } ?>


</div>

// Define $programme and pull up $attachments as above $attachment_url = \'\'; foreach ( $attachments as $attachment ) { if ($attachment->post_title == $programme) { $attachment_url = wp_get_attachment_url($attachment->ID); break; } } if ( $attachment_url ) { echo $attachment_url; } else { echo \'/images/nontvimg.jpg\'; }

<?php if ($imgurlbase != \'\' ) { ?> <img src="<?php bloginfo(\'template_url\'); ?>/timthumb.php?src=<?php echo $imgurlbase . $imgfromtv; ?>&h=62&w=75" alt="<?php echo $programme; ?>"> <?php } elseif ($imgurlbase == \'\' ) { ?> <img src="<?php bloginfo(\'template_url\'); ?>/timthumb.php?src=<?php $args = array( \'post_type\' => \'attachment\', \'numberposts\' => -1, \'post_title\' => $programme ); $attachments = get_posts( $args ); $found = 0; foreach ( $attachments as $attachment ) { if ($attachment->post_title == $programme) { echo wp_get_attachment_url($attachment->ID); ++$found; } } if (!$found) { echo \'/images/nontvimg.jpg\'; } ?>&h=62&w=75"> <?php } ?>

Resizing all images

我刚刚更改了博客的主题，由于页面宽度很小，它打破了布局。我之前的大多数图片（附在帖子中）的宽度都在600px左右，现在我需要按450px的比例调整它们的大小。如何一次性调整它们的大小？有这个插件吗？P、美国：编写CSS规则是一个很好的选择，我已经做到了。但我认为调整图像大小也会减少每个页面的下载开销！

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Resizing all images