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<?php
/**
* Common Class.
*
* @since 2.5.0
* @package SoliloquyWP Lite
* @author SoliloquyWP Team <support@soliloquywp.com>
*/
// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Soliloquy Common
*
* @since 2.5.0
*/
class Soliloquy_Common_Lite {
/**
* Holds the class object.
*
* @since 1.0.0
*
* @var object
*/
public static $instance;
/**
* Path to the file.
*
* @since 1.0.0
*
* @var string
*/
public $file = __FILE__;
/**
* Holds the base class object.
*
* @since 1.0.0
*
* @var object
*/
public $base;
/**
* Primary class constructor.
*
* @since 1.0.0
*/
public function __construct() {
// Load the base class object.
$this->base = Soliloquy_Lite::get_instance();
}
/**
* Helper method for retrieving slider themes.
*
* @since 1.0.0
*
* @return array Array of slider theme data.
*/
public function get_slider_themes() {
$themes = [
[
'value' => 'base',
'name' => __( 'Base', 'soliloquy' ),
'file' => $this->base->file,
],
[
'value' => 'classic',
'name' => __( 'Classic', 'soliloquy' ),
'file' => $this->base->file,
],
];
return apply_filters( 'soliloquy_slider_themes', $themes );
}
/**
* Helper method for retrieving slider transitions.
*
* @since 1.0.0
*
* @return array Array of slider transition data.
*/
public function get_slider_transitions() {
$transitions = [
[
'value' => 'fade',
'name' => __( 'Fade', 'soliloquy' ),
],
];
return apply_filters( 'soliloquy_slider_transitions', $transitions );
}
/**
* Helper method for retrieving aria-live priorities
*
* @since 2.3.8
*
* @return array Array of aria-live priorities
*/
public function get_aria_live_values() {
$values = [
[
'value' => 'off',
'name' => __( 'Off', 'soliloquy' ),
],
[
'value' => 'polite',
'name' => __( 'Polite', 'soliloquy' ),
],
[
'value' => 'assertive',
'name' => __( 'Assertive', 'soliloquy' ),
],
];
return apply_filters( 'soliloquy_aria_live_values', $values );
}
/**
* Helper method for setting default config values.
*
* @since 1.0.0
*
* @global int $id The current post ID.
* @global object $post The current post object.
* @param string $key The default config key to retrieve.
* @return string Key value on success, false on failure.
*/
public function get_config_default( $key ) {
global $id, $post;
// Get the current post ID. If ajax, grab it from the $_POST variable.
if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) {
$post_id = isset( $_POST['post_id'] ) ? absint( wp_unslash( $_POST['post_id'] ) ) : ''; // phpcs:ignore WordPress.Security.NonceVerification.Missing
} else {
$post_id = isset( $post->ID ) ? $post->ID : (int) $id;
}
// Prepare default values.
$defaults = $this->get_config_defaults( $post_id );
// Return the key specified.
return isset( $defaults[ $key ] ) ? $defaults[ $key ] : false;
}
/**
* Retrieves the slider config defaults.
*
* @since 1.0.0
*
* @param int $post_id The current post ID.
* @return array Array of slider config defaults.
*/
public function get_config_defaults( $post_id ) {
$defaults = [
'type' => 'default',
'slider_theme' => 'base',
'slider_width' => 960,
'slider_height' => 300,
'transition' => 'fade',
'duration' => 5000,
'speed' => 400,
'gutter' => 20,
'slider' => 1,
'aria_live' => 'polite',
// Misc.
'classes' => [],
'title' => '',
'slug' => '',
'rtl' => 0,
];
return apply_filters( 'soliloquy_defaults', $defaults, $post_id );
}
/**
* API method for cropping images.
*
* @since 1.0.0
*
* @global object $wpdb The $wpdb database object.
*
* @param string $url The URL of the image to resize.
* @param int $width The width for cropping the image.
* @param int $height The height for cropping the image.
* @param bool $crop Whether or not to crop the image (default yes).
* @param string $align The crop position alignment.
* @param int $quality JPEG Compression value.
* @param bool $retina Whether or not to make a retina copy of image.
* @return WP_Error|string Return WP_Error on error, URL of resized image on success.
*/
public function resize_image( $url, $width = null, $height = null, $crop = true, $align = 'c', $quality = 82, $retina = false ) {
global $wpdb;
// Get common vars.
$args = [ $url, $width, $height, $crop, $align, $quality, $retina ];
$common = $this->get_image_info( $args );
// Unpack variables if an array, otherwise return WP_Error.
if ( is_wp_error( $common ) ) {
return $common;
} else {
extract( $common );
}
// If the destination width/height values are the same as the original, don't do anything.
if ( $orig_width === $dest_width && $orig_height === $dest_height ) {
return $url;
}
// If the file doesn't exist yet, we need to create it.
if ( ! file_exists( $dest_file_name ) ) {
// @codingStandardsIgnoreStart
// We only want to resize Media Library images, so we can be sure they get deleted correctly when appropriate.
$get_attachment = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE guid=%s", $url ) );
// @codingStandardsIgnoreEnd
// Load the WordPress image editor.
$editor = wp_get_image_editor( $file_path );
// If an editor cannot be found, the user needs to have GD or Imagick installed.
if ( is_wp_error( $editor ) ) {
return new WP_Error( 'soliloquy-error-no-editor', __( 'No image editor could be selected. Please verify with your webhost that you have either the GD or Imagick image library compiled with your PHP install on your server.', 'soliloquy' ) );
}
// Set the image editor quality.
$editor->set_quality( $quality );
// If cropping, process cropping.
if ( $crop ) {
$src_x = 0;
$src_y = 0;
$src_w = $orig_width;
$src_h = $orig_height;
$cmp_x = $orig_width / $dest_width;
$cmp_y = $orig_height / $dest_height;
// Calculate x or y coordinate and width or height of source.
if ( $cmp_x > $cmp_y ) {
$src_w = round( $orig_width / $cmp_x * $cmp_y );
$src_x = round( ( $orig_width - ( $orig_width / $cmp_x * $cmp_y ) ) / 2 );
} elseif ( $cmp_y > $cmp_x ) {
$src_h = round( $orig_height / $cmp_y * $cmp_x );
$src_y = round( ( $orig_height - ( $orig_height / $cmp_y * $cmp_x ) ) / 2 );
}
// Positional cropping.
if ( $align && 'c' !== $align ) {
if ( strpos( $align, 't' ) !== false || strpos( $align, 'tr' ) !== false || strpos( $align, 'tl' ) !== false ) {
$src_y = 0;
}
if ( strpos( $align, 'b' ) !== false || strpos( $align, 'br' ) !== false || strpos( $align, 'bl' ) !== false ) {
$src_y = $orig_height - $src_h;
}
if ( strpos( $align, 'l' ) !== false ) {
$src_x = 0;
}
if ( strpos( $align, 'r' ) !== false ) {
$src_x = $orig_width - $src_w;
}
}
// Crop the image.
$editor->crop( $src_x, $src_y, $src_w, $src_h, $dest_width, $dest_height );
} else {
// Just resize the image.
$editor->resize( $dest_width, $dest_height );
}
// Save the image.
$saved = $editor->save( $dest_file_name );
// Print possible out of memory errors.
if ( is_wp_error( $saved ) ) {
unlink( $dest_file_name ); // phpcs:ignore WordPress.WP.AlternativeFunctions.unlink_unlink
return $saved;
}
// Add the resized dimensions and alignment to original image metadata, so the images
// can be deleted when the original image is delete from the Media Library.
if ( $get_attachment ) {
$metadata = wp_get_attachment_metadata( $get_attachment[0]->ID );
if ( isset( $metadata['image_meta'] ) ) {
$md = $saved['width'] . 'x' . $saved['height'];
if ( $crop ) {
$md .= $align ? "_{$align}" : '_c';
}
$metadata['image_meta']['resized_images'][] = $md;
wp_update_attachment_metadata( $get_attachment[0]->ID, $metadata );
}
}
// Set the resized image URL.
$resized_url = str_replace( basename( $url ), basename( $saved['path'] ), $url );
} else {
// Set the resized image URL.
$resized_url = str_replace( basename( $url ), basename( $dest_file_name ), $url );
}
// Return the resized image URL.
return $resized_url;
}
/**
* Helper method to return common information about an image.
*
* @since 1.0.0
*
* @param array $args List of resizing args to expand for gathering info.
* @return WP_Error|string Return WP_Error on error, array of data on success.
*/
public function get_image_info( $args ) {
// Unpack arguments.
list( $url, $width, $height, $crop, $align, $quality, $retina ) = $args;
// Return an error if no URL is present.
if ( empty( $url ) ) {
return new WP_Error( 'soliloquy-error-no-url', __( 'No image URL specified for cropping.', 'soliloquy' ) );
}
// Get the image file path.
$urlinfo = wp_parse_url( $url );
$wp_upload_dir = wp_upload_dir();
// Interpret the file path of the image.
if ( preg_match( '/\/[0-9]{4}\/[0-9]{2}\/.+$/', $urlinfo['path'], $matches ) ) {
$file_path = $wp_upload_dir['basedir'] . $matches[0];
} else {
$pathinfo = wp_parse_url( $url );
$uploads_dir = is_multisite() ? '/files/' : '/wp-content/';
if ( isset( $_SERVER['SCRIPT_NAME'] ) ) {
$file_path = ABSPATH . str_replace( dirname( sanitize_text_field( wp_unslash( $_SERVER['SCRIPT_NAME'] ) ) ) . '/', '', strstr( $pathinfo['path'], $uploads_dir ) );
}
$file_path = preg_replace( '/(\/\/)/', '/', $file_path );
}
// Don't process a file that does not exist.
if ( ! file_exists( $file_path ) ) {
return new WP_Error( 'soliloquy-error-no-file', __( 'No file could be found for the image URL specified.', 'soliloquy' ) );
}
// Get original image size.
$size = getimagesize( $file_path );
// If no size data obtained, return an error.
if ( ! $size ) {
return new WP_Error( 'soliloquy-error-no-size', __( 'The dimensions of the original image could not be retrieved for cropping.', 'soliloquy' ) );
}
// Set original width and height.
list( $orig_width, $orig_height, $orig_type ) = $size;
// Generate width or height if not provided.
if ( $width && ! $height ) {
$height = floor( $orig_height * ( $width / $orig_width ) );
} elseif ( $height && ! $width ) {
$width = floor( $orig_width * ( $height / $orig_height ) );
} elseif ( ! $width && ! $height ) {
return new WP_Error( 'soliloquy-error-no-size', __( 'The dimensions of the original image could not be retrieved for cropping.', 'soliloquy' ) );
}
// Allow for different retina image sizes.
$retina = $retina ? ( true === $retina ? 2 : $retina ) : 1;
// Destination width and height variables.
$dest_width = $width * $retina;
$dest_height = $height * $retina;
// Some additional info about the image.
$info = pathinfo( $file_path );
$dir = $info['dirname'];
$ext = $info['extension'];
$name = wp_basename( $file_path, ".$ext" );
// Suffix applied to filename.
$suffix = $dest_width . 'x' . $dest_height;
// Set alignment information on the file.
if ( $crop ) {
$suffix .= ( $align ) ? "_{$align}" : '_c';
}
// Get the destination file name.
$dest_file_name = "{$dir}/{$name}-{$suffix}.{$ext}";
// Return the info.
return [
'dir' => $dir,
'name' => $name,
'ext' => $ext,
'suffix' => $suffix,
'orig_width' => $orig_width,
'orig_height' => $orig_height,
'orig_type' => $orig_type,
'dest_width' => $dest_width,
'dest_height' => $dest_height,
'file_path' => $file_path,
'dest_file_name' => $dest_file_name,
];
}
/**
* Helper method to flush slider caches once a slider is updated.
*
* @since 1.0.0
*
* @param int $post_id The current post ID.
* @param string $slug The unique slider slug.
*/
public function flush_slider_caches( $post_id, $slug = '' ) {
// Delete known slider caches.
delete_transient( '_sol_cache_' . $post_id );
delete_transient( '_sol_cache_all' );
// Possibly delete slug slider cache if available.
if ( ! empty( $slug ) ) {
delete_transient( '_sol_cache_' . $slug );
}
// Run a hook for Addons to access.
do_action( 'soliloquy_flush_caches', $post_id, $slug );
}
/**
* Helper method to return the max execution time for scripts.
*
* @since 1.0.0
*/
public function get_max_execution_time() {
$time = ini_get( 'max_execution_time' );
return ! $time || empty( $time ) ? (int) 0 : $time;
}
/**
* Returns the singleton instance of the class.
*
* @since 1.0.0
*
* @return object The Soliloquy_Common_Lite object.
*/
public static function get_instance() {
if ( ! isset( self::$instance ) && ! ( self::$instance instanceof Soliloquy_Common_Lite ) ) {
self::$instance = new Soliloquy_Common_Lite();
}
return self::$instance;
}
}
// Load the common class.
$soliloquy_common_lite = Soliloquy_Common_Lite::get_instance();