我在主题目录中的一个单独PHP文件中有一个表单，它包含在主页模板的侧栏中。表单位于Boostrap模式中。我一直试图使用此代码允许用户使用表单提交新帖子，但此代码没有插入任何内容：

<?php 
if ( isset( $_POST[\'submitted\'] ) && isset( $_POST[\'post_nonce_field\'] ) && wp_verify_nonce( $_POST[\'post_nonce_field\'], \'post_nonce\' ) ) {

$subjectError = \'\';

if ( trim($_POST[\'subject\'] ) === \'\' ) {
  $subjectError = "Please enter the subject.";
  $error = true;
}

$post_information = array(
  \'post_title\' => wp_strip_all_tags( $_POST[\'subject\'] ),
  \'post_content\' => $_POST[\'postContent\'],
  \'post_type\' => \'post\',
  \'post_status\' => \'pending\'
);

$post_id = wp_insert_post( $post_information );
if ( $post_id ) {
  wp_redirect("/home");
  exit;
}
  }
?>

<div class="submit-content">
<div id="submit-modal" class="modal hide fade">
<div class="modal-header">
  <h3>Submit content</h3>
</div>

<div class="modal-body">
  <form class="form" id="submit-content-form" method="POST" action="<?php the_permalink(); ?>">
    <?php if ( $subjectError != \'\' ) { ?>
        <span class="error"><?php echo $subjectError; ?></span>
        <div class="clearfix"></div>
    <?php } ?>

    <div class="control-group subject-group">
        <label for="" class="control-label">Subject</label>

        <div class="controls">
            <input type="text" name="subject" id="subject" class="required" value="<?php if ( isset( $_POST[\'subject\'] ) ) echo $_POST[\'subject\']; ?>" />
        </div>
    </div>

    <div class="control-group content-group">
        <label for="" class="control-label">Content</label>

        <div class="controls">
            <textarea name="postContent" id="postContent" cols="30" rows="10" class="required">
          <?php if ( isset( $_POST[\'postContent\'] ) ) { if ( function_exists( \'stripslashes\' ) ) { echo stripslashes( $_POST[\'postContent\'] ); } else { echo $_POST[\'postContent\']; } } ?>   
        </textarea>
        </div>
    </div>

    <div class="control-group upload-group">
        <label for="" class="control-label">Upload file</label>

        <div class="controls">
            <input type="file" value="Choose file">
        </div>
    </div>
  </form>          
</div>

<div class="modal-footer">
  <input type="hidden" name="submitted" id="submitted" value="true" />
  <?php wp_nonce_field( \'post_nonce\', \'post_nonce_field\' ); ?>
  <a href="" class="btn btn-vq-green" onclick="document.getElementById(\'submit-content-form\').submit()">Submit</a>
</div>

请帮忙！我在这里完全迷路了。我一直在网上到处搜索，但找不到解决方法。我做错了什么？

谢谢

EDIT: 这是工作代码。它现在创建帖子，但验证不起作用，允许创建空帖子，直到我添加了一个检查，以确保提交表单时主题字段不为空。现在正在创建帖子，额外的检查将阻止添加空白帖子。只有当我添加一个elseif块来单独检查表单提交时哪个字段仍然为空时，验证才起作用。

<?php
if ( isset( $_POST[\'submitted\'] ) && !empty ( $_POST[\'subject\'] ) && isset( $_POST[\'post_nonce_field\'] ) && wp_verify_nonce( $_POST[\'post_nonce_field\'], \'post_nonce\' ) ) {

$subjectError = \'\';

if ( trim($_POST[\'subject\'] ) === \'\' ) {
  $subjectError = "Please enter the subject.";
  $error = true;
}

$post_information = array(
  \'post_title\' => wp_strip_all_tags( $_POST[\'subject\'] ),
  \'post_content\' => $_POST[\'postContent\'],
  \'post_type\' => \'post\',
  \'post_status\' => \'pending\'
);

$post_id = wp_insert_post( $post_information );
if ( $post_id ) {
  wp_redirect("/home");
  exit;
}
} elseif ( isset( $_POST[\'submitted\'] ) && empty ( $_POST[\'subject\'] ) ) {
$subjectError = "Please enter the subject.";
$error = true;
}
?>


<div class="submit-content">
        <div id="submit-modal" class="modal hide fade">
        <div class="modal-header">
          <h3>Submit content</h3>
        </div>

        <div class="modal-body">
          <form class="form" id="submit-content-form" method="POST" action="">
            <div class="control-group subject-group">
                <label for="" class="control-label">Subject</label>

                <div class="controls">
                    <input type="text" name="subject" id="subject" class="required" value="<?php if ( isset( $_POST[\'subject\'] ) ) echo $_POST[\'subject\']; ?>" />
                </div>
            </div>

            <div class="control-group content-group">
                <label for="" class="control-label">Content</label>
                <?php if ( $subjectError != \'\' ) { ?>
                <span class="error"><?php echo $subjectError; ?></span>
                <div class="clearfix"></div>
                <?php } ?>

                <div class="controls">
                    <textarea name="postContent" id="postContent" cols="30" rows="10" class="required">
                  <?php if ( isset( $_POST[\'postContent\'] ) ) { if ( function_exists( \'stripslashes\' ) ) { echo stripslashes( $_POST[\'postContent\'] ); } else { echo $_POST[\'postContent\']; } } ?>   
                </textarea>
                </div>
            </div>

            <div class="control-group upload-group">
                <label for="" class="control-label">Upload file</label>

                <div class="controls">
                    <input type="file" value="Choose file">
                <input type="hidden" name="submitted" id="submitted" value="submitted" />
                <?php wp_nonce_field( \'post_nonce\', \'post_nonce_field\' ); ?>
                </div>
            </div>
          </form>          
        </div>

        <div class="modal-footer">
          <a href="javascript:void(0)" class="btn btn-vq-green" onclick="document.getElementById(\'submit-content-form\').submit()">Submit</a>
        </div>
      </div>
    </div>