<?php // phpcs:ignore WordPress.Files.FileName.NotHyphenatedLowercase

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/**

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* Compatibility functions for YouTube URLs and WP.com helper functions.

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*

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* @package automattic/jetpack

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*/

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use Automattic\Jetpack\Connection\Manager as Connection_Manager;

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/**

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* Required for class.media-extractor.php to match expected function naming convention.

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*

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* @param string|array $url Can be just the $url or the whole $atts array.

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* @return bool|mixed The Youtube video ID via jetpack_get_youtube_id

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*/

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function jetpack_shortcode_get_youtube_id( $url ) {

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return jetpack_get_youtube_id( $url );

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}

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/**

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* Extract video ID from a YouTube url.

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*

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* @param string|array $url YouTube URL.

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* @return bool|mixed The Youtube video ID

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*/

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function jetpack_get_youtube_id( $url ) {

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// Do we have an $atts array? Get first att

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if ( is_array( $url ) ) {

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$url = reset( $url );

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}

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$url = jetpack_youtube_sanitize_url( $url );

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$url = wp_parse_url( $url );

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$id = false;

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if ( ! isset( $url['query'] ) ) {

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return false;

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}

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parse_str( $url['query'], $qargs );

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if ( ! isset( $qargs['v'] ) && ! isset( $qargs['list'] ) ) {

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return false;

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}

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if ( isset( $qargs['list'] ) ) {

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$id = preg_replace( '|[^_a-z0-9-]|i', '', $qargs['list'] );

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}

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if ( empty( $id ) ) {

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$id = preg_replace( '|[^_a-z0-9-]|i', '', $qargs['v'] );

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}

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return $id;

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}

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if ( ! function_exists( 'jetpack_youtube_sanitize_url' ) ) :

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/**

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* Normalizes a YouTube URL to include a v= parameter and a query string free of encoded ampersands.

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*

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* @param string|array $url YouTube URL.

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* @return string|false The normalized URL or false if input is invalid.

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*/

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function jetpack_youtube_sanitize_url( $url ) {

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if ( is_array( $url ) && isset( $url['url'] ) ) {

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$url = $url['url'];

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}

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if ( ! is_string( $url ) ) {

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return false;

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}

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$url = trim( $url, ' "' );

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$url = trim( $url );

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$url = str_replace( array( 'youtu.be/', '/v/', '#!v=', '&amp;', '&#038;', 'playlist' ), array( 'youtu.be/?v=', '/?v=', '?v=', '&', '&', 'videoseries' ), $url );

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// Replace any extra question marks with ampersands - the result of a URL like "https://www.youtube.com/v/dQw4w9WgXcQ?fs=1&hl=en_US" being passed in.

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$query_string_start = strpos( $url, '?' );

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if ( false !== $query_string_start ) {

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$url = substr( $url, 0, $query_string_start + 1 ) . str_replace( '?', '&', substr( $url, $query_string_start + 1 ) );

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}

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return $url;

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}

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endif;

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/**

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* Merge in three string helper functions from WPCOM to make working with strings easier.

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*

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* @see WPCOM/wp-content/mu-plugins/string-helpers.php

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*/

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if ( ! function_exists( 'wp_startswith' ) ) :

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/**

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* Check whether a string starts with a specific substring.

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*

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* @param string $haystack String we are filtering.

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* @param string $needle The substring we are looking for.

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* @return bool

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*/

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function wp_startswith( $haystack, $needle ) {

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if ( ! $haystack || ! $needle || ! is_scalar( $haystack ) || ! is_scalar( $needle ) ) {

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return false;

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}

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$haystack = (string) $haystack;

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$needle = (string) $needle;

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return str_starts_with( $haystack, $needle );

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}

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endif;

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if ( ! function_exists( 'wp_endswith' ) ) :

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/**

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* Check whether a string ends with a specific substring.

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*

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* @param string $haystack String we are filtering.

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* @param string $needle The substring we are looking for.

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* @return bool

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*/

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function wp_endswith( $haystack, $needle ) {

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if ( ! $haystack || ! $needle || ! is_scalar( $haystack ) || ! is_scalar( $needle ) ) {

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return false;

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}

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$haystack = (string) $haystack;

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$needle = (string) $needle;

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return str_ends_with( $haystack, $needle );

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}

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endif;

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if ( ! function_exists( 'wp_in' ) ) :

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/**

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* Checks whether a string contains a specific substring.

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*

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* @param string $needle The substring we are looking for.

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* @param string $haystack String we are filtering.

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* @return bool

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*/

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function wp_in( $needle, $haystack ) {

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if ( ! $haystack || ! $needle || ! is_scalar( $haystack ) || ! is_scalar( $needle ) ) {

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return false;

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}

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$haystack = (string) $haystack;

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$needle = (string) $needle;

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return str_contains( $haystack, $needle );

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}

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endif;

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/**

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* Deprecated connection function.

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*

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* @param string $text Deprecated.

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* @deprecated 7.5 Use Connection_Manager instead.

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*/

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function jetpack_sha1_base64( $text ) {

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$connection = new Connection_Manager();

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return $connection->sha1_base64( $text );

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}

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