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<?php |
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/** |
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* Import helper class |
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* |
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* @package WPFunnels\Importer |
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*/ |
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|
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namespace WPFunnels\Importer; |
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|
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use WPFunnels\Importer\Image\Wpfnl_Image_Importer; |
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use WPFunnels\Wpfnl; |
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|
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/** |
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* Import helper class |
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* |
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* @since 1.0.0 |
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*/ |
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class Wpfnl_Importer_Helper { |
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|
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/** |
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* Class instance |
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* |
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* @var mixed |
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*/ |
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private static $instance; |
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|
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/** |
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* Get Instance class |
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* |
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* @return Wpfnl_Importer_Helper |
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*/ |
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public static function get_instance() { |
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if ( ! isset( self::$instance ) ) { |
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self::$instance = new self(); |
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} |
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|
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return self::$instance; |
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} |
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|
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|
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/** |
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* Get post contents |
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* |
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* @param int $step_id Funnel step id. |
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* |
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* @return string|string[] |
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* @since 1.0.0 |
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*/ |
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public function get_post_contents( $step_id ) { |
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// get the post contents. |
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$content = get_post_field( 'post_content', $step_id ); |
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|
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$content = stripslashes( $content ); |
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|
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// get all links from $content. |
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$links = wp_extract_urls( $content ); |
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|
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if ( empty( $links ) ) { |
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return $content; |
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} |
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|
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$normal_links = array(); |
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$image_links = array(); |
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$mapping_array = array(); |
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|
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// Step 1: store image link and normal links. |
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foreach ( $links as $key => $link ) { |
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if ( preg_match( '/\b(?:(?:https?|ftp):\/\/|www\.)[-a-z0-9+&@#\/%?=~_|!:,.;]*\.(?:jpg|png|gif|jpeg)/i', $link ) ) { |
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$image_links[] = $link; |
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} else { |
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$normal_links = $link; |
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} |
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} |
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|
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// Step 2: save image to the site. |
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if ( ! empty( $image_links ) ) { |
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foreach ( $image_links as $key => $image_url ) { |
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$image = array( |
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'url' => $image_url, |
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'id' => 0, |
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); |
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$saved_image = Wpfnl_Image_Importer::get_instance()->import( $image ); |
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|
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if ( $saved_image ) { |
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$mapping_array[] = array( |
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'old' => $image_url, |
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'new' => $saved_image['url'], |
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); |
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} |
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} |
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} |
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|
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// Step 3: replace image url with new one. |
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foreach ( $mapping_array as $key => $mapping ) { |
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$content = str_replace( $mapping['old'], $mapping['new'], $content ); |
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} |
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return $content; |
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} |
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} |
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|
