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<?php |
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/** |
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* Base class for the Site Abstraction Layer (SAL) |
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**/ |
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abstract class SAL_Site { |
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public $blog_id; |
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public function __construct( $blog_id ) { |
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$this->blog_id = $blog_id; |
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} |
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abstract public function has_videopress(); |
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abstract public function upgraded_filetypes_enabled(); |
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abstract public function is_mapped_domain(); |
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abstract public function is_redirect(); |
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abstract public function featured_images_enabled(); |
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abstract public function has_wordads(); |
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abstract public function get_frame_nonce(); |
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abstract public function allowed_file_types(); |
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abstract public function get_post_formats(); |
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abstract public function is_private(); |
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abstract public function is_following(); |
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abstract public function get_subscribers_count(); |
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abstract public function get_locale(); |
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abstract public function is_jetpack(); |
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abstract public function get_jetpack_modules(); |
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abstract public function before_render(); |
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abstract public function after_render( &$response ); |
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abstract public function after_render_options( &$options ); |
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function get_registered_date() { |
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if ( function_exists( 'get_blog_details' ) ) { |
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$blog_details = get_blog_details(); |
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if ( ! empty( $blog_details->registered ) ) { |
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return $this->format_date( $blog_details->registered ); |
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} |
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} |
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return '0000-00-00T00:00:00+00:00'; |
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} |
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function is_visible() { |
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if ( is_user_logged_in() ){ |
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$current_user = wp_get_current_user(); |
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$visible = (array) get_user_meta( $current_user->ID, 'blog_visibility', true ); |
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$is_visible = true; |
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if ( isset( $visible[$this->blog_id] ) ) { |
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$is_visible = (bool) $visible[$this->blog_id]; |
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} |
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// null and true are visible |
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return $is_visible; |
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} |
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return null; |
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} |
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function get_logo() { |
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// Set an empty response array. |
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$logo_setting = array( |
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'id' => (int) 0, |
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'sizes' => array(), |
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'url' => '', |
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); |
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// Get current site logo values. |
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$logo = get_option( 'site_logo' ); |
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// Update the response array if there's a site logo currenty active. |
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if ( $logo && 0 != $logo['id'] ) { |
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$logo_setting['id'] = $logo['id']; |
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$logo_setting['url'] = $logo['url']; |
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foreach ( $logo['sizes'] as $size => $properties ) { |
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$logo_setting['sizes'][$size] = $properties; |
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} |
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} |
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return $logo_setting; |
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} |
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/** |
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* Returns ISO 8601 formatted datetime: 2011-12-08T01:15:36-08:00 |
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* |
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* @param $date_gmt (string) GMT datetime string. |
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* @param $date (string) Optional. Used to calculate the offset from GMT. |
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* |
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* @return string |
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*/ |
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View Code Duplication |
function format_date( $date_gmt, $date = null ) { |
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$timestamp_gmt = strtotime( "$date_gmt+0000" ); |
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if ( null === $date ) { |
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$timestamp = $timestamp_gmt; |
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$hours = $minutes = $west = 0; |
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} else { |
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$date_time = date_create( "$date+0000" ); |
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if ( $date_time ) { |
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$timestamp = date_format( $date_time, 'U' ); |
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} else { |
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$timestamp = 0; |
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} |
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// "0000-00-00 00:00:00" == -62169984000 |
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if ( -62169984000 == $timestamp_gmt ) { |
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// WordPress sets post_date=now, post_date_gmt="0000-00-00 00:00:00" for all drafts |
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// WordPress sets post_modified=now, post_modified_gmt="0000-00-00 00:00:00" for new drafts |
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// Try to guess the correct offset from the blog's options. |
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$timezone_string = get_option( 'timezone_string' ); |
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if ( $timezone_string && $date_time ) { |
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$timezone = timezone_open( $timezone_string ); |
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if ( $timezone ) { |
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$offset = $timezone->getOffset( $date_time ); |
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} |
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} else { |
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$offset = 3600 * get_option( 'gmt_offset' ); |
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} |
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} else { |
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$offset = $timestamp - $timestamp_gmt; |
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} |
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$west = $offset < 0; |
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$offset = abs( $offset ); |
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$hours = (int) floor( $offset / 3600 ); |
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$offset -= $hours * 3600; |
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$minutes = (int) floor( $offset / 60 ); |
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} |
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return (string) gmdate( 'Y-m-d\\TH:i:s', $timestamp ) . sprintf( '%s%02d:%02d', $west ? '-' : '+', $hours, $minutes ); |
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} |
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} |
Automattic /
jetpack
If you define a variable conditionally, it can happen that it is not defined for all execution paths.
Let’s take a look at an example:
In the above example, the variable $x is defined if you pass “foo” or “bar” as argument for $a. However, since the switch statement has no default case statement, if you pass any other value, the variable $x would be undefined.
Available Fixes
Check for existence of the variable explicitly:
Define a default value for the variable:
Add a value for the missing path: