1){
return dirname(wpc_dirname_r($path, --$count));
}else{
return dirname($path);
}
}
function wpc_course_id_to_url($url, $course_id) {
if(strpos($url, '?')) {
$url = $url . '&course_id=' . $course_id;
} else {
$url = $url . '?course_id=' . $course_id;
}
return $url;
}
function wpc_get_unit($str, $default = '%'){
if(strpos($str, '%') !== false){
return '%';
} elseif(strpos($str, 'px') !== false){
return 'px';
} elseif(strpos($str, 'em') !== false){
return 'em';
} else {
return $default;
}
}
function wpc_get_max_slider_value($str, $default = 100){
$str = (int) preg_replace("/[^0-9.]/", "", $str);
if($str >= $default){
return $str;
} else {
return $default;
}
}
function wpc_esc_unit($str, $default = '%'){
$unit = $default;
if(empty($str) || $str == 0) {
return $str;
}
if(strpos($str, '%') !== false){
$unit = '%';
} elseif(strpos($str, 'px') !== false){
$unit = 'px';
} elseif(strpos($str, 'em') !== false){
$unit = 'em';
}
$str = (int) preg_replace("/[^0-9.]/", "", $str);
return $str . $unit;
}
function wpc_restrict_content($post_id, $content, $post_name){
$restriction = get_post_meta( $post_id, 'wpc-lesson-restriction', true );
$custom_logged_out_message = get_option('wpc_logged_out_message');
$login_url = wp_login_url( get_permalink() );
$register_url = wp_registration_url();
$restricted_message = '';
$restricted_message .= !empty($custom_logged_out_message) ? $custom_logged_out_message : '' . __('Login', 'wp-courses') . ' or ' . __('Register', 'wp-courses') . ' to view this ' . $post_name;
$restricted_message .= '
';
if( $restriction == 'free-account' && !is_user_logged_in() ){
return wp_kses($restricted_message, 'post');
} else {
return $content;
}
}
/**
* @param int $post_id The post ID
* @return bool Whether or not someone is allowed to view content based on it's restriction and their logged in, membership and purchase status
*/
function wpc_is_restricted($post_id){
$restriction = get_post_meta( $post_id, 'wpc-lesson-restriction', true );
$restricted = false;
if($restriction === 'free-account' && !is_user_logged_in() ) {
$restricted = true;
}
if($restriction === 'woo-paid' ){
if(function_exists('wpc_woo_has_bought')) {
$restricted = wpc_woo_has_bought( $post_id ) === false ? true : false;
}
}
if($restriction === 'membership'){
if(function_exists('pmpro_hasMembershipLevel')) {
$page_membership_levels = wpc_pmpro_get_page_levels($post_id);
$has_membership = pmpro_hasMembershipLevel($page_membership_levels);
$restricted = $has_membership === true ? false : true;
}
}
return $restricted;
}
function wpc_has_attachments($lesson_id){
$attachment1 = get_post_meta($lesson_id, 'wpc-media-sections-1', true);
$attachment2 = get_post_meta($lesson_id, 'wpc-media-sections-2', true);
$attachment3 = get_post_meta($lesson_id, 'wpc-media-sections-3', true);
if(wpc_is_restricted($lesson_id) === true){
$has_attachments = false;
} elseif(!empty($attachment1) || !empty($attachment2) || !empty($attachment3)) {
$has_attachments = true;
} else {
$has_attachments = false;
}
return $has_attachments;
}
function wpc_count_posts($post_type = 'course', $status = array('publish')){
$args = array(
'post_type' => $post_type,
'post_status' => $status,
'posts_per_page' => -1,
'paged' => false,
);
$query = new WP_Query($args);
return $query->post_count;
}
/**
* @param int $results_count The total number of results without pagination
* @param int $posts_per_page The number of results to display per page
* @return An array with page numbers
*/
function wpc_get_pages($results_count, $posts_per_page){
if($results_count === 0){
return false;
}
if($posts_per_page > $results_count){
return false;
} else {
$num_pages = $results_count / $posts_per_page;
$pages = array();
for($i = 1; $i < $num_pages + 1; $i++) {
$pages[] = $i;
}
return $pages;
}
}
/**
* Slightly modified WP function that renders the layout config to the block wrapper.
* Needed for rendering Gutenberg blocks when fetched via AJAX because the_content() and get_the_content() do not return certain block inline styles.
*
* @param string $block_content Rendered block content.
* @param array $block Block object.
* @return string Filtered block content and styling.
*/
function wpc_render_layout_support_flag( $block_content, $block ) {
$block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block['blockName'] );
$support_layout = block_has_support( $block_type, array( '__experimentalLayout' ), false );
if ( ! $support_layout ) {
return $block_content;
}
$block_gap = wp_get_global_settings( array( 'spacing', 'blockGap' ) );
$default_layout = wp_get_global_settings( array( 'layout' ) );
$has_block_gap_support = isset( $block_gap ) ? null !== $block_gap : false;
$default_block_layout = _wp_array_get( $block_type->supports, array( '__experimentalLayout', 'default' ), array() );
$used_layout = isset( $block['attrs']['layout'] ) ? $block['attrs']['layout'] : $default_block_layout;
if ( isset( $used_layout['inherit'] ) && $used_layout['inherit'] ) {
if ( ! $default_layout ) {
return $block_content;
}
$used_layout = $default_layout;
}
$class_name = wp_unique_id( 'wp-container-' );
$gap_value = _wp_array_get( $block, array( 'attrs', 'style', 'spacing', 'blockGap' ) );
// Skip if gap value contains unsupported characters.
// Regex for CSS value borrowed from `safecss_filter_attr`, and used here
// because we only want to match against the value, not the CSS attribute.
if ( is_array( $gap_value ) ) {
foreach ( $gap_value as $key => $value ) {
$gap_value[ $key ] = $value && preg_match( '%[\\\(&=}]|/\*%', $value ) ? null : $value;
}
} else {
$gap_value = $gap_value && preg_match( '%[\\\(&=}]|/\*%', $gap_value ) ? null : $gap_value;
}
$fallback_gap_value = _wp_array_get( $block_type->supports, array( 'spacing', 'blockGap', '__experimentalDefault' ), '0.5em' );
// If a block's block.json skips serialization for spacing or spacing.blockGap,
// don't apply the user-defined value to the styles.
$should_skip_gap_serialization = wp_should_skip_block_supports_serialization( $block_type, 'spacing', 'blockGap' );
$style = wp_get_layout_style( ".$class_name", $used_layout, $has_block_gap_support, $gap_value, $should_skip_gap_serialization, $fallback_gap_value );
// This assumes the hook only applies to blocks with a single wrapper.
// I think this is a reasonable limitation for that particular hook.
$content = preg_replace(
'/' . preg_quote( 'class="', '/' ) . '/',
'class="' . esc_attr( $class_name ) . ' ',
$block_content,
1
);
return '' . $content;
}
?>