PHP get_post_custom_keys函数代码示例

 /**
  * Thanks to http://t31os.wordpress.com/2010/05/24/post-has-embed/ for a nicer solution than mine
  */
 function test_if_post_or_page_has_embed($post_id = false)
 {
     if (!$post_id) {
         $post_id = get_the_ID();
     } else {
         $post_id = absint($post_id);
     }
     if (!$post_id) {
         return false;
     }
     // Get meta keys for current post
     $post_meta = get_post_custom_keys($post_id);
     if (empty($post_meta)) {
         return false;
     }
     // Search for the first meta_key [$value] that begins with the oembed string [$string]
     // After the first hits: continue to return true
     if (is_array($post_meta) || $post_meta instanceof Traversable) {
         foreach ($post_meta as $meta) {
             $first_seven_chars = substr(trim($meta), 0, 7);
             if ($first_seven_chars == 'oembed_' || $first_seven_chars == '_oembed') {
                 return true;
             }
             // '_oembed' is used by WordPress standardly; 'oembed_' is used by some plugins and themes
         }
         return false;
     } else {
         return false;
     }
 }

function fyb_all_custom_fields($fyb_allposts)
{
    $fyb_customfields = array();
    foreach ($fyb_allposts as $fyb_post) {
        setup_postdata($fyb_post);
        $fyb_post_id = $fyb_post->ID;
        $fyb_fields = get_post_custom_keys($fyb_post_id);
        if ($fyb_fields) {
            foreach ($fyb_fields as $fyb_key => $fyb_value) {
                if ($fyb_value[0] != '_') {
                    if (!isset($fyb_customfields[$fyb_value])) {
                        $fyb_customfields[$fyb_value] = array();
                        #$fyb_customfields[$fyb_value]['html'] = '<option value="'.$fyb_value.'">'.$fyb_value.'</option>';
                        $fyb_customfields[$fyb_value]['count'] = 1;
                        $fyb_customfields[$fyb_value]['userPost'] = array();
                        $fyb_customfields[$fyb_value]['userPost'][] = $fyb_post->ID;
                        $fyb_customfields[$fyb_value]['usedPostType'] = array();
                        $fyb_customfields[$fyb_value]['usedPostType'][] = $fyb_post->post_type;
                    } else {
                        $fyb_customfields[$fyb_value]['count'] = $fyb_customfields[$fyb_value]['count'] + 1;
                        $fyb_customfields[$fyb_value]['userPost'][] = $fyb_post->ID;
                        if (!in_array($fyb_post->post_type, $fyb_customfields[$fyb_value]['usedPostType'])) {
                            $fyb_customfields[$fyb_value]['usedPostType'][] = $fyb_post->post_type;
                        }
                    }
                }
            }
        }
    }
    wp_reset_postdata();
    return $fyb_customfields;
}

function AB_external_permalink($permalink)
{
    global $post;
    $thePostID = $post->ID;
    $internal_post = get_post($thePostID);
    $title = $internal_post->post_title;
    $post_keys = array();
    $post_val = array();
    $post_keys = get_post_custom_keys($thePostID);
    if (!empty($post_keys)) {
        foreach ($post_keys as $pkey) {
            if ($pkey == 'original_source') {
                $post_val = get_post_custom_values($pkey, $thePostID);
                break;
            }
        }
        if (empty($post_val)) {
            $link = $permalink;
        } else {
            $link = $post_val[0];
        }
    } else {
        $link = $permalink;
    }
    return $link;
}

function tumblrLinkBacks($content)
{
    global $wp_query, $post;
    $post_id = get_post($post->ID);
    $posttitle = $post_id->post_title;
    $permalink = get_permalink(get_post($post->ID));
    $tumblr_keys = get_post_custom_keys($post->ID);
    if (get_post_meta($wp_query->post->ID, 'TumblrURL', true)) {
        if ($tumblr_keys) {
            foreach ($tumblr_keys as $tumblr_key) {
                if ($tumblr_key == 'TumblrURL') {
                    $tumblr_vals = get_post_custom_values($tumblr_key);
                }
            }
            if ($tumblr_vals) {
                if (is_feed()) {
                    $content .= '<p><a href="' . $tumblr_vals[0] . '" title="Direct link to featured article">Direct Link to Article</a> &#8212; ';
                    $content .= '<a href="' . $permalink . '">Permalink</a></p>';
                    return $content;
                } else {
                    return $content;
                }
            }
        }
    } else {
        $content = $content;
        return $content;
    }
}

function cs_external_permalink($permalink)
{
    global $post;
    $thePostID = $post->ID;
    $post_id = get_post($thePostID);
    $title = $post_id->post_title;
    $post_keys = array();
    $post_val = array();
    $post_keys = get_post_custom_keys($thePostID);
    if (!empty($post_keys)) {
        foreach ($post_keys as $pkey) {
            if ($pkey == 'url1' || $pkey == 'title_url' || $pkey == 'url_title' || $pkey == 'external') {
                $post_val = get_post_custom_values($pkey);
            }
        }
        if (empty($post_val)) {
            $link = $permalink;
        } else {
            $link = $post_val[0];
        }
    } else {
        $link = $permalink;
    }
    return $link;
}

function get_fields($post_id = false)
{
    // vars
    global $post;
    if (!$post_id) {
        $post_id = $post->ID;
    } elseif ($post_id == "options") {
        $post_id = 999999999;
    }
    // default
    $value = array();
    $keys = get_post_custom_keys($post_id);
    if ($keys) {
        foreach ($keys as $key) {
            if (substr($key, 0, 1) != "_") {
                $value[$key] = get_field($key, $post_id);
            }
        }
    }
    // no value
    if (empty($value)) {
        return false;
    }
    return $value;
}

 private function clear_meta($post_id)
 {
     $post_meta_keys = get_post_custom_keys($post_id);
     $blacklist = $this->get_meta_key_whitelist($post_id);
     $post_meta_keys = array_diff($post_meta_keys, $blacklist);
     foreach ($post_meta_keys as $key) {
         delete_post_meta($post_id, $key);
     }
 }

function job_notification_templates($post_id, $notification_receiver)
{
    // Applied job title
    $job_title = get_the_title($post_id);
    // Site URL
    $site_url = get_option('siteurl');
    $parent_id = wp_get_post_parent_id($post_id);
    $job_post_keys = get_post_custom_keys($parent_id);
    $applicant_post_keys = get_post_custom_keys($post_id);
    if (NULL != $job_post_keys) {
        if (in_array('jobfeature_company_name', $job_post_keys)) {
            $company_name = get_post_meta($parent_id, 'jobfeature_company_name', TRUE);
        }
    }
    if (NULL != $applicant_post_keys) {
        if (in_array('jobapp_name', $applicant_post_keys)) {
            $applicant_name = get_post_meta($post_id, 'jobapp_name', TRUE);
        }
    }
    if ('applicant' != $notification_receiver) {
        $message = '<div style="width:700px; margin:0 auto;  border: 1px solid #95B3D7;font-family:Arial;">' . '<div style="border: 1px solid #95B3D7; background-color:#95B3D7;">' . ' <h2 style="text-align:center;">Job Application </h2>' . ' </div>' . '<div  style="margin:10px;">' . '<p>' . date("Y/m/d") . '</p>' . '<p>';
        if (NULL != $notification_receiver) {
            $message .= 'Hi ' . $notification_receiver . ',';
        }
        $message .= '</p>' . '<p>I ';
        if (NULL != $applicant_name) {
            $message .= $applicant_name . '';
        }
        $message .= ',would like to apply for the post of ' . $job_title . ' at your company ';
        if (NULL != $company_name) {
            $message .= $company_name . '';
        }
        $message .= '.</p>' . '<p>I have gone through the application criterion and requirements for the particular job and have posted my resume at given address  ' . $site_url . '<br/>' . 'I have also filled the detail of the online application form on ' . date("Y/m/d") . '.' . '</p>' . '<p>I sincerely believe that my educational qualifications and extra-curricular activities will be appropriate for the job and the type of applicant it possible requires.' . 'I promiss to devote my heart and soul to the job once selected to serve your company ';
        if (NULL != $company_name) {
            $message .= $company_name . '';
        }
        $message .= '.</p>' . 'I will be extremely grateful if you kindly glance through my application and consider me for the interview and the adjacent processes.' . '</p>' . '<p>I will be eagerly looking forward to your reply mail.</p>' . '<p>Thank you</p>' . '<p>Sincerely,</p>';
        if (NULL != $applicant_name) {
            $message .= $applicant_name . '';
        }
        $message .= '</div>' . ' </div>';
    } else {
        $message = '<div style="width:700px; margin:0 auto;  border: 1px solid #95B3D7;font-family:Arial;">' . '<div style="border: 1px solid #95B3D7; background-color:#95B3D7;">' . ' <h2 style="text-align:center;">Job Application Acknowledgement</h2>' . ' </div>' . '<div  style="margin:10px;">' . '<p>' . date("Y/m/d") . '</p>' . '<p>';
        $message .= 'Hi ';
        if (NULL != $applicant_name) {
            $message .= '' . $applicant_name . ',';
        }
        $message .= '<p>Thank you for your interest in ';
        if (NULL != $company_name) {
            $message .= $company_name . '.';
        }
        $message .= 'We acknowledge receipt of your resume and application for a position ' . $job_title . ' and sincerely appreciate your interest in our company.' . '</p>' . '<p>We will screen all applicants and select candidates whose qualifications seem to meet our needs.' . ' We will carefully consider your application during the initial screening and will contact you if you are selected to continue in the recruitment process. ' . 'We wish you every success.</p>' . '<p>Regards,</p>' . '<p>Admin,</p>' . '<p>' . get_bloginfo('name') . '</p>';
        $message .= '</div>' . ' </div>';
    }
    return $message;
}

    /**
     * Creates Detail Page for Applicants
     * 
     * 
     * @access  public
     * @since   1.0.0
     * @return  void
     */
    public function jobpost_applicants_detail_page_content()
    {
        global $post;
        if (!empty($post) and 'jobpost_applicants' === $post->post_type) {
            $keys = get_post_custom_keys($post->ID);
            do_action('sjb_applicants_details_before');
            ?>

            <div class="wrap"><div id="icon-tools" class="icon32"></div>
                <h3>
                    <?php 
            if (in_array('jobapp_name', $keys)) {
                echo get_post_meta($post->ID, 'jobapp_name', true);
            }
            if (in_array('resume', $keys)) {
                ?>
                        &nbsp; &nbsp; <small><a href="<?php 
                echo get_post_meta($post->ID, 'resume', true);
                ?>
" target="_blank" ><?php 
                echo __('Resume', 'simple-job-board');
                ?>
</a></small>
                    <?php 
            }
            ?>

                </h3>                
                <table class="widefat striped">
                    <?php 
            do_action('sjb_applicants_details_start');
            foreach ($keys as $key) {
                if (substr($key, 0, 7) == 'jobapp_') {
                    echo '<tr><td>' . ucwords(str_replace('_', ' ', substr($key, 7))) . '</td><td>' . get_post_meta($post->ID, $key, true) . '</td></tr>';
                }
            }
            do_action('sjb_applicants_details_end');
            ?>
                </table>
            </div>

            <?php 
            do_action('sjb-applicants-details-after');
            ?>

            <h2><?php 
            _e('Application Notes', 'simple-job-board');
            ?>
</h2>
            
            <?php 
            do_action('sjb_applicantion_notes');
        }
    }

 function save_post($post_ID, $post)
 {
     $post_metas = get_post_custom_keys($post->ID);
     if (empty($post_metas)) {
         return;
     }
     foreach ($post_metas as $post_meta_key) {
         if (0 === strpos($post_meta_key, '_npr_api_')) {
             delete_post_meta($post->ID, $post_meta_key);
         }
     }
 }

 function tt_acf_fields_required($group_id)
 {
     $acf_field_keys = get_post_custom_keys($group_id);
     $acf_field_label = array();
     foreach ($acf_field_keys as $key => $value) {
         if (stristr($value, 'field_')) {
             $acf_field = get_field_object($value, $group_id);
             $acf_field_label[] = $acf_field['required'];
         }
     }
     return $acf_field_label;
 }

 function get_saved_meta_option()
 {
     global $post;
     $keys = @get_post_custom_keys($post->ID);
     if (is_array($keys)) {
         foreach ($keys as $key) {
             $metas[preg_replace('/_/', '', $key, 1)] = get_post_meta($post->ID, $key, true);
         }
         return $metas;
     }
     return false;
 }

 static function copy_meta_info($new_id, $old_id)
 {
     $post_meta_keys = get_post_custom_keys($old_id);
     if (empty($post_meta_keys)) {
         return;
     }
     foreach ($post_meta_keys as $meta_key) {
         $meta_values = get_post_custom_values($meta_key, $old_id);
         foreach ($meta_values as $meta_value) {
             $meta_value = maybe_unserialize($meta_value);
             update_post_meta($new_id, $meta_key, $meta_value);
         }
     }
 }

 /**
  * Copies post meta data
  * @param  int $oldId
  * @param  int $newId
  * @return boolean
  */
 protected function cloneMeta($oldId, $newId)
 {
     $metaKeys = get_post_custom_keys($oldId);
     if (empty($metaKeys)) {
         return false;
     }
     foreach ($metaKeys as $metaKey) {
         $metaValues = get_post_custom_values($metaKey, $oldId);
         foreach ($metaValues as $metaValue) {
             $metaValue = maybe_unserialize($metaValue);
             update_post_meta($newId, $metaKey, $metaValue);
         }
     }
     return true;
 }

function tool_acf_get_post_custom_keys($p = array())
{
    $p += array('post_id' => false, 'filter' => '_');
    $ret = false;
    if ($p['post_id']) {
        $ret = get_post_custom_keys($p['post_id']);
        if (count($ret) > 0) {
            foreach ($ret as $key => $item) {
                if ($p['filter'] == '_' && $item[0] === '_') {
                    unset($ret[$key]);
                }
            }
        }
    }
    return $ret;
}