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<?php
defined( 'ABSPATH' ) || die( 'Cheatin’ uh?' );
/**
* Get the list of the names of the Imagify context currently in use.
*
* @since 1.9
* @author Grégory Viguier
*
* @return array An array of strings.
*/
function imagify_get_context_names() {
static $contexts;
if ( isset( $contexts ) ) {
return $contexts;
}
/**
* Register new contexts.
*
* @since 1.9
* @author Grégory Viguier
*
* @param array $contexts An array of context names.
*/
$contexts = (array) apply_filters( 'imagify_register_context', [] );
$contexts = array_filter( $contexts, function( $context ) {
return $context && is_string( $context );
} );
$contexts = array_merge( [ 'wp', 'custom-folders' ], $contexts );
sort( $contexts );
return $contexts;
}
/**
* Sanitize an optimization context.
*
* @since 1.6.11
* @author Grégory Viguier
*
* @param string $context The context.
* @return string
*/
function imagify_sanitize_context( $context ) {
return sanitize_key( $context );
}
/**
* Get the Imagify context instance.
*
* @since 1.9
* @author Grégory Viguier
*
* @param string $context The context name. Default values are 'wp' and 'custom-folders'.
* @return ContextInterface The context instance.
*/
function imagify_get_context( $context ) {
$class_name = imagify_get_context_class_name( $context );
return $class_name::get_instance();
}
/**
* Get the Imagify context class name.
*
* @since 1.9
* @author Grégory Viguier
*
* @param string $context The context name. Default values are 'wp' and 'custom-folders'.
* @return string The context class name.
*/
function imagify_get_context_class_name( $context ) {
$context = imagify_sanitize_context( $context );
switch ( $context ) {
case 'wp':
$class_name = '\\Imagify\\Context\\WP';
break;
case 'custom-folders':
$class_name = '\\Imagify\\Context\\CustomFolders';
break;
default:
$class_name = '\\Imagify\\Context\\Noop';
}
/**
* Filter the name of the class to use to define a context.
*
* @since 1.9
* @author Grégory Viguier
*
* @param int $class_name The class name.
* @param string $context The context name.
*/
$class_name = apply_filters( 'imagify_context_class_name', $class_name, $context );
return '\\' . ltrim( $class_name, '\\' );
}
/**
* Get the Imagify process instance depending on a context.
*
* @since 1.9
* @author Grégory Viguier
*
* @param int $media_id The media ID.
* @param string $context The context name. Default values are 'wp' and 'custom-folders'.
* @return ProcessInterface The optimization process instance.
*/
function imagify_get_optimization_process( $media_id, $context ) {
$class_name = imagify_get_optimization_process_class_name( $context );
return new $class_name( $media_id );
}
/**
* Get the Imagify process class name depending on a context.
*
* @since 1.9
* @author Grégory Viguier
*
* @param string $context The context name. Default values are 'wp' and 'custom-folders'.
* @return string The optimization process class name.
*/
function imagify_get_optimization_process_class_name( $context ) {
$context = imagify_sanitize_context( $context );
switch ( $context ) {
case 'wp':
$class_name = '\\Imagify\\Optimization\\Process\\WP';
break;
case 'custom-folders':
$class_name = '\\Imagify\\Optimization\\Process\\CustomFolders';
break;
default:
$class_name = '\\Imagify\\Optimization\\Process\\Noop';
}
/**
* Filter the name of the class to use for the optimization.
*
* @since 1.9
* @author Grégory Viguier
*
* @param int $class_name The class name.
* @param string $context The context name.
*/
$class_name = apply_filters( 'imagify_process_class_name', $class_name, $context );
return '\\' . ltrim( $class_name, '\\' );
}
/**
* Get WP Direct filesystem object. Also define chmod constants if not done yet.
*
* @since 1.6.5
* @author Grégory Viguier
*
* @return object A Imagify_Filesystem object.
*/
function imagify_get_filesystem() {
return Imagify_Filesystem::get_instance();
}
/**
* Convert a path (or URL) to its WebP version.
* To keep the function simple:
* - Not tested if it's an image.
* - File existance is not tested.
* - If an URL is given, make sure it doesn't contain query args.
*
* @since 1.9
* @author Grégory Viguier
*
* @param string $path A file path or URL.
* @return string
*/
function imagify_path_to_webp( $path ) {
return $path . '.webp';
}
/**
* Convert a path (or URL) to its next-gen version.
* To keep the function simple:
* - Not tested if it's an image.
* - File existance is not tested.
* - If an URL is given, make sure it doesn't contain query args.
*
* @since 2.2
*
* @param string $path A file path or URL.
* @param string $format format we are targeting.
* @return string
*/
function imagify_path_to_nextgen( $path, string $format ) {
switch ( $format ) {
case 'webp':
$path = $path . '.webp';
break;
case 'avif':
$path = $path . '.avif';
break;
}
return $path;
}
/**
* Tell if the current user can optimize custom folders.
*
* @since 1.7
* @author Grégory Viguier
*
* @return bool
*/
function imagify_can_optimize_custom_folders() {
static $can;
if ( isset( $can ) ) {
return $can;
}
// Check if the DB tables are ready.
if ( ! Imagify_Folders_DB::get_instance()->can_operate() || ! Imagify_Files_DB::get_instance()->can_operate() ) {
$can = false;
return $can;
}
// Check for user capacity.
$can = imagify_get_context( 'custom-folders' )->current_user_can( 'optimize' );
return $can;
}
/**
* Simple helper to get some external URLs, like to the documentation.
*
* @since 1.6.12
* @author Grégory Viguier
*
* @param string $target What we want.
* @param array $query_args An array of query arguments.
* @return string The URL.
*/
function imagify_get_external_url( $target, $query_args = array() ) {
$site_url = IMAGIFY_SITE_DOMAIN . '/';
$app_url = IMAGIFY_APP_DOMAIN . '/#/';
switch ( $target ) {
case 'plugin':
/* translators: Plugin URI of the plugin/theme */
$url = __( 'https://wordpress.org/plugins/imagify/', 'imagify' );
break;
case 'rate':
$url = 'https://wordpress.org/support/view/plugin-reviews/imagify?rate=5#postform';
break;
case 'share-twitter':
$url = rawurlencode( imagify_get_external_url( 'plugin' ) );
$url = 'https://twitter.com/intent/tweet?source=webclient&original_referer=' . $url . '&url=' . $url . '&related=imagify&hastags=performance,web,wordpress';
break;
case 'share-facebook':
$url = rawurlencode( imagify_get_external_url( 'plugin' ) );
$url = 'https://www.facebook.com/sharer/sharer.php?u=' . $url;
break;
case 'contact':
$lang = imagify_get_current_lang_in( 'fr' );
$paths = array(
'en' => 'contact',
'fr' => 'fr/contact',
);
$url = $site_url . $paths[ $lang ] . '/';
break;
case 'documentation':
$url = $site_url . 'documentation/';
break;
case 'documentation-imagick-gd':
$url = $site_url . 'documentation/solve-imagemagick-gd-required/';
break;
case 'register':
$partner = imagify_get_partner();
if ( $partner ) {
$query_args['partner'] = $partner;
}
$url = $app_url . 'register';
break;
case 'subscription':
$url = $app_url . 'subscription';
break;
case 'get-api-key':
$url = $app_url . 'api';
break;
case 'payment':
// Don't remove the trailing slash.
$url = $app_url . 'plugin/';
break;
default:
return '';
}
if ( $query_args ) {
$url = add_query_arg( $query_args, $url );
}
return $url;
}
/**
* Get the current lang ('fr', 'en', 'de'...), limited to a given list.
*
* @since 1.6.14
* @author Grégory Viguier
*
* @param array $langs An array of langs, like array( 'de', 'es', 'fr', 'it' ).
* @return string The current lang. Default is 'en'.
*/
function imagify_get_current_lang_in( $langs ) {
static $locale;
if ( ! isset( $locale ) ) {
$locale = imagify_get_locale();
$locale = explode( '_', strtolower( $locale . '_' ) ); // Trailing underscore is to make sure $locale[1] is set.
}
foreach ( (array) $langs as $lang ) {
if ( $lang === $locale[0] || $lang === $locale[1] ) {
return $lang;
}
}
return 'en';
}
/**
* Get the current locale.
*
* @since 1.6.14
* @author Grégory Viguier
*
* @return string The current locale.
*/
function imagify_get_locale() {
$locale = function_exists( 'get_user_locale' ) ? get_user_locale() : get_locale();
/**
* Filter the locale used by Imagify.
*
* @since 1.6.14
* @author Grégory Viguier
*
* @param string $locale The current locale.
*/
return apply_filters( 'imagify_locale', $locale );
}
/**
* Get the label corresponding to the given optimization label.
*
* @since 1.7
* @author Grégory Viguier
*
* @param int|bool $level Optimization level (between 0 and 2). False if no level.
* @param string $format Format to display the label. Use %ICON% for the icon and %s for the label.
* @return string The label.
*/
function imagify_get_optimization_level_label( $level, $format = '%s' ) {
if ( ! is_numeric( $level ) ) {
return '';
}
if ( strpos( $format, '%ICON%' ) !== false ) {
$icon = '<svg width="12" height="12" viewBox="0 0 12 12" xmlns="http://www.w3.org/2000/svg"><g fill="#40B1D0" fill-rule="evenodd">';
switch ( $level ) {
case 2:
case 1:
$icon .= '<polygon points="11.6054688 11.6054688 8.7890625 11.6054688 8.7890625 0.39453125 11.6054688 0.39453125"/><polygon points="7.39453125 11.6054688 4.60546875 11.6054688 4.60546875 3.89453125 7.39453125 3.89453125"/><polygon points="3.2109375 11.6054688 0.39453125 11.6054688 0.39453125 6 3.2109375 6"/>';
break;
case 0:
$icon .= '<polygon fill="#CCD1D6" points="11.6054688 11.6054688 8.7890625 11.6054688 8.7890625 0.39453125 11.6054688 0.39453125"/><polygon fill="#CCD1D6" points="7.39453125 11.6054688 4.60546875 11.6054688 4.60546875 3.89453125 7.39453125 3.89453125"/><polygon points="3.2109375 11.6054688 0.39453125 11.6054688 0.39453125 6 3.2109375 6"/>';
}
$icon .= '</g></svg>';
$format = str_replace( '%ICON%', $icon, $format );
}
switch ( $level ) {
case 2:
case 1:
return sprintf( $format, __( 'Smart', 'imagify' ) );
case 0:
return sprintf( $format, __( 'Lossless', 'imagify' ) );
}
return '';
}
/**
* `array_merge()` + `array_intersect_key()`.
*
* @since 1.7
* @author Grégory Viguier
*
* @param array $values The array we're interested in.
* @param array $default The array we use as boundaries.
* @return array
*/
function imagify_merge_intersect( $values, $default ) {
$values = array_merge( $default, (array) $values );
return array_intersect_key( $values, $default );
}
/**
* Returns true.
* Useful for returning true to filters easily.
* Similar to WP's __return_true() function, it allows to remove it from a filter without removing another one added by another plugin.
*
* @since 1.9
* @author Grégory Viguier
*
* @return bool True.
*/
function imagify_return_true() {
return true;
}
/**
* Returns false.
* Useful for returning false to filters easily.
* Similar to WP's __return_false() function, it allows to remove it from a filter without removing another one added by another plugin.
*
* @since 1.9
* @author Grégory Viguier
*
* @return bool False.
*/
function imagify_return_false() {
return false;
}
/**
* Marks a class as deprecated and informs when it has been used.
* Similar to _deprecated_constructor(), but with different strings.
* The current behavior is to trigger a user error if `WP_DEBUG` is true.
*
* @since 1.9
* @author Grégory Viguier
*
* @param string $class The class containing the deprecated constructor.
* @param string $version The version of WordPress that deprecated the function.
* @param string $replacement Optional. The function that should have been called. Default null.
* @param string $parent_class Optional. The parent class calling the deprecated constructor. Default empty string.
*/
function imagify_deprecated_class( $class, $version, $replacement = null, $parent_class = '' ) {
/**
* Fires when a deprecated class is called.
*
* @since 1.9
* @author Grégory Viguier
*
* @param string $class The class containing the deprecated constructor.
* @param string $version The version of WordPress that deprecated the function.
* @param string $replacement Optional. The function that should have been called.
* @param string $parent_class The parent class calling the deprecated constructor.
*/
do_action( 'imagify_deprecated_class_run', $class, $version, $replacement, $parent_class );
if ( ! WP_DEBUG ) {
return;
}
/**
* Filters whether to trigger an error for deprecated classes.
*
* `WP_DEBUG` must be true in addition to the filter evaluating to true.
*
* @since 1.9
* @author Grégory Viguier
*
* @param bool $trigger Whether to trigger the error for deprecated classes. Default true.
*/
if ( ! apply_filters( 'imagify_deprecated_class_trigger_error', true ) ) {
return;
}
if ( function_exists( '__' ) ) {
if ( ! empty( $parent_class ) ) {
/**
* With parent class.
*/
if ( ! empty( $replacement ) ) {
/**
* With replacement.
*/
call_user_func(
'trigger_error',
sprintf(
/* translators: 1: PHP class name, 2: PHP parent class name, 3: version number, 4: replacement class name. */
__( 'The called class %1$s extending %2$s is <strong>deprecated</strong> since version %3$s! Use %4$s instead.', 'imagify' ),
'<code>' . $class . '</code>',
'<code>' . $parent_class . '</code>',
'<strong>' . $version . '</strong>',
'<code>' . $replacement . '</code>'
)
);
return;
}
/**
* Without replacement.
*/
call_user_func(
'trigger_error',
sprintf(
/* translators: 1: PHP class name, 2: PHP parent class name, 3: version number. */
__( 'The called class %1$s extending %2$s is <strong>deprecated</strong> since version %3$s!', 'imagify' ),
'<code>' . $class . '</code>',
'<code>' . $parent_class . '</code>',
'<strong>' . $version . '</strong>'
)
);
return;
}
/**
* Without parent class.
*/
if ( ! empty( $replacement ) ) {
/**
* With replacement.
*/
call_user_func(
'trigger_error',
sprintf(
/* translators: 1: PHP class name, 2: version number, 3: replacement class name. */
__( 'The called class %1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.', 'imagify' ),
'<code>' . $class . '</code>',
'<strong>' . $version . '</strong>',
'<code>' . $replacement . '</code>'
)
);
return;
}
/**
* Without replacement.
*/
call_user_func(
'trigger_error',
sprintf(
/* translators: 1: PHP class name, 2: version number. */
__( 'The called class %1$s is <strong>deprecated</strong> since version %2$s!', 'imagify' ),
'<code>' . $class . '</code>',
'<strong>' . $version . '</strong>'
)
);
return;
}
if ( ! empty( $parent_class ) ) {
/**
* With parent class.
*/
if ( ! empty( $replacement ) ) {
/**
* With replacement.
*/
call_user_func(
'trigger_error',
sprintf(
'The called class %1$s extending %2$s is <strong>deprecated</strong> since version %3$s! Use %4$s instead.',
'<code>' . $class . '</code>',
'<code>' . $parent_class . '</code>',
'<strong>' . $version . '</strong>',
'<code>' . $replacement . '</code>'
)
);
return;
}
/**
* Without replacement.
*/
call_user_func(
'trigger_error',
sprintf(
'The called class %1$s extending %2$s is <strong>deprecated</strong> since version %3$s!',
'<code>' . $class . '</code>',
'<code>' . $parent_class . '</code>',
'<strong>' . $version . '</strong>'
)
);
return;
}
/**
* Without parent class.
*/
if ( ! empty( $replacement ) ) {
/**
* With replacement.
*/
call_user_func(
'trigger_error',
sprintf(
'The called class %1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.',
'<code>' . $class . '</code>',
'<strong>' . $version . '</strong>',
'<code>' . $replacement . '</code>'
)
);
return;
}
/**
* Without replacement.
*/
call_user_func(
'trigger_error',
sprintf(
'The called class %1$s is <strong>deprecated</strong> since version %2$s!',
'<code>' . $class . '</code>',
'<strong>' . $version . '</strong>'
)
);
}
