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<?php
function csi18n( $key ) {
return CS()->i18n( $key );
}
function e_csi18n( $key ) {
echo csi18n( $key );
}
/**
* Get all the Font Awesome unicode values
* @return array Hash list of icon aliases and unicode values
*/
function fa_all_unicode() {
return CS()->common()->getFontIcons();
}
/**
* Returns a unicode value for a font icon
* @param string $key Icon to lookup
* @return string String containing unicode reference for the requested icon
*/
function fa_unicode( $key ) {
return CS()->common()->getFontIcon( $key );
}
/**
* Get an HTML entity for an icon
* @param string $key Icon to lookup
* @return string HTML entity
*/
function fa_entity( $key ) {
return '&#x' . fa_unicode( $key ) . ';';
}
/**
* Template function that returns a data attribute for an icon
* @param string $key Icon to lookup
* @return string Data attribute string that can be placed inside an element tag
*/
function fa_data_icon( $key ) {
return 'data-x-icon="' . fa_unicode( $key ) . '"';
}
/**
* Alternate for wp_localize_script that outputs a function to return the data
* @param string $handle Handle for the item in WP scripts
* @param string $function_name Name of the function to be added to the window object
* @param object $data Object or array containing data to be converted to JSON
* @return none
*/
function wp_script_data_function( $handle, $function_name, $data ) {
global $wp_scripts;
foreach ( (array) $data as $key => $value ) {
if ( ! is_scalar( $value ) ) {
continue;
}
$data[ $key ] = html_entity_decode( (string) $value, ENT_QUOTES, 'UTF-8' );
}
$script = "var $function_name=function(){ return " . wp_json_encode( $data ) . ';}';
$data = $wp_scripts->get_data( $handle, 'data' );
if ( ! empty( $data ) ) {
$script = "$data\n$script";
}
return $wp_scripts->add_data( $handle, 'data', $script );
}
/**
* Get a posts excerpt without the_content filters being applied
* This is useful if you need to retreive an excerpt from within
* a shortcode.
* @return string Post excerpt
*/
function cs_get_raw_excerpt() {
add_filter( 'get_the_excerpt', 'cs_trim_raw_excerpt' );
remove_filter( 'get_the_excerpt', 'wp_trim_excerpt' );
$excerpt = get_the_excerpt();
add_filter( 'get_the_excerpt', 'wp_trim_excerpt' );
remove_filter( 'get_the_excerpt', 'cs_trim_raw_excerpt' );
return $excerpt;
}
/**
* Themeco customized version of the wp_trim_excerpt function in WordPress formatting.php
* Generates an excerpt from the content, if needed.
*
* @param string $text Optional. The excerpt. If set to empty, an excerpt is generated.
* @return string The excerpt.
*/
function cs_trim_raw_excerpt( $text = '' ) {
$raw_excerpt = $text;
if ( '' === $text ) {
$text = get_the_content( '' );
$text = strip_shortcodes( $text );
//$text = apply_filters( 'the_content', $text );
$text = str_replace( ']]>', ']]>', $text );
$excerpt_length = apply_filters( 'excerpt_length', 55 );
$excerpt_more = apply_filters( 'excerpt_more', ' […]' );
$text = wp_trim_words( $text, $excerpt_length, $excerpt_more );
}
return apply_filters( 'wp_trim_excerpt', $text, $raw_excerpt );
}
// Data Attribute Generator
// =============================================================================
function cs_generate_data_attributes( $element, $params = array() ) {
$data = 'data-x-element="' . $element . '"';
if ( ! empty( $params ) ) {
$params_json = htmlspecialchars( wp_json_encode( $params ), ENT_QUOTES, 'UTF-8' );
$data .= ' data-x-params="' . $params_json . '"';
}
return $data;
}
// Data Attribute Generator (Popovers and Tooltips)
// =============================================================================
function cs_generate_data_attributes_extra( $type, $trigger, $placement, $title = '', $content = '' ) {
if ( ! in_array( $type, array( 'tooltip', 'popover' ), true ) ) {
return '';
}
$js_params = array(
'type' => ( 'tooltip' === $type ) ? 'tooltip' : 'popover',
'trigger' => $trigger,
'placement' => $placement,
'title' => htmlspecialchars_decode( $title ), // to avoid double encoding.
'content' => htmlspecialchars_decode( $content ),
);
return cs_generate_data_attributes( 'extra', $js_params );
}
// Background Video Output
// =============================================================================
function cs_bg_video( $video, $poster ) {
$output = do_shortcode( '[x_video_player class="bg transparent" src="' . $video . '" poster="' . $poster . '" hide_controls="true" autoplay="true" loop="true" muted="true" no_container="true"]' );
return $output;
}
// Build Shortcode
// =============================================================================
function cs_build_shortcode( $name, $attributes, $extra = '', $content = '', $require_content = false ) {
$output = "[{$name}";
if ( isset( $attributes['class'] ) ) {
$attributes['class'] = cs_sanitize_html_classes( $attributes['class'] );
}
foreach ($attributes as $attribute => $value) {
$clean = cs_clean_shortcode_att( $value );
$att = sanitize_key( $attribute );
$output .= " {$att}=\"{$clean}\"";
}
if ( '' !== $extra ) {
$output .= " {$extra}";
}
if ( '' === $content && ! $require_content ) {
$output .= ']';
} else {
$content = apply_filters( 'cs_element_update_build_shortcode_content', $content, null );
$output .= "]{$content}[/{$name}]";
}
return $output;
}
// Animation Base Class
// =============================================================================
function cs_animation_base_class( $animation_string ) {
if ( false !== strpos( $animation_string, 'In' ) ) {
$base_class = ' animated-hide';
} else {
$base_class = '';
}
return $base_class;
}
function cs_att( $attribute, $content, $echo = false ) {
$att = '';
if ( $content ) {
$att = $attribute . '="' . esc_attr( $content ) . '" ';
}
if ( is_null( $content ) ) {
$att = $attribute . ' ';
}
if ( $echo ) {
echo $att;
}
return $att;
}
function cs_atts( $atts, $echo = false ) {
$result = '';
foreach ( $atts as $att => $content) {
$result .= cs_att( $att, $content, false ) . ' ';
}
if ( $echo ) {
echo $result;
}
return $result;
}
function cs_deep_array_merge ( array &$defaults, array $data, $max_depth = -1 ) {
if ( 1 === $max_depth-- ) {
return $defaults;
}
foreach ( $defaults as $key => &$value ) {
if ( isset( $data[ $key ] ) && is_array( $value ) && is_array( $data[ $key ] ) ) {
$data[ $key ] = cs_deep_array_merge( $value, $data[ $key ], $max_depth );
continue;
}
$data[ $key ] = $value;
}
return $data;
}
function cs_alias_shortcode( $new_tag, $existing_tag, $filter_atts = true ) {
if ( is_array( $new_tag ) ) {
foreach ($new_tag as $tag) {
cs_alias_shortcode( $tag, $existing_tag, $filter_atts );
}
return;
}
if ( ! shortcode_exists( $existing_tag ) ) {
return;
}
global $shortcode_tags;
add_shortcode( $new_tag, $shortcode_tags[ $existing_tag ] );
if ( ! $filter_atts || ! has_filter( $tag = "shortcode_atts_$existing_tag" ) ) {
return;
}
global $wp_filter;
foreach ( $wp_filter[ $tag ] as $priority => $filter ) {
foreach ($filter as $tag => $value) {
add_filter( "shortcode_atts_$new_tag", $value['function'], $priority, $value['accepted_args'] );
}
}
}
function cs_array_filter_use_keys( $array, $callback ) {
return array_intersect_key( $array, array_flip( array_filter( array_keys( $array ), $callback ) ) );
}
/**
* Runs wp_parse_args, then applies key whitelisting based on keys from defaults
* @param array $args User arguments
* @param array $defaults Default keys ans values
* @return array Arguments with defaults and key whitelisting applied.
*/
function cs_define_defaults( $args, $defaults ) {
return array_intersect_key( wp_parse_args( $args, $defaults ), array_flip( array_keys( $defaults ) ) );
}
/**
* Call a potentially expensive function and store the results in a transient.
* Future calls to cs_memoize for the same function will return the cached value
* until the transient expires. For example:
*
* $result = cs_memoize( 'transient_key', 'my_remote_api_request', 15 * MINUTE_IN_SECONDS, $api_key, $secret );
*
* This is the equivalent of: $result = my_remote_api_request( $api_key, $secret );
* but it will only truly run once every 15 minutes. It will only persist
* successful calls, meaning it wont set the transient if the callback
* returns false or a WP_Error object.
*
* @param string $key Key used to set the transient
* @param callable $function Function to call for the original result.
* @param int $expiration Optional. Time until expiration in seconds. Default 0.
* Optionally pass any additional paramaters that you would passed into the callback.
* @return mixed $value Value from the original call to $function
*/
function cs_memoize( $key, $callback, $expiration = 0 ) {
$value = get_transient( $key );
if ( false === $value ) {
$args = func_get_args();
$value = call_user_func_array( $callback, array_slice( $args, 3 ) );
if ( false !== $value && ! is_wp_error( $value ) ) {
set_transient( $key, $value, $expiration );
}
}
return $value;
}
/**
* Sanitize a value for use in a shortcode attribute
* @param string $value Value to clean
* @return string Value ready for use in shortcode markup
*/
function cs_clean_shortcode_att( $value ) {
$value = wp_kses( $value, wp_kses_allowed_html( 'post' ) );
$value = esc_html( $value );
$value = str_replace( ']', ']', str_replace( '[', '[', $value ) );
return $value;
}
/**
* Sanitizes an HTML classname to ensure it only contains valid characters.
*
* Uses sanitize_html_class but allows accepts multiple classes, either as
* an array or a space delimted string.
*
* @param string|array $classes The classname to be sanitized
* @return string the sanitized value
*/
function cs_sanitize_html_classes( $classes ) {
if ( is_string( $classes ) ) {
$classes = explode( ' ', $classes );
}
array_map( 'sanitize_html_class', array_filter( $classes ) );
$class = implode( ' ', $classes );
return $class;
}
/**
* WordPress wp_localize_script will cast boolean values to a string, making
* types difficult to keep up with. This function turns them into recognizable
* strings that can be converted back later
* @param array $data Data requiring boolean value preservation.
* @return array Data with string 'true' or 'false' values
*/
function cs_booleanize( $data ) {
foreach ($data as $key => $value) {
if ( is_bool( $value ) ) {
$data[ $key ] = ( $value ) ? 'true' : 'false';
}
}
return $data;
}
/**
* Remove <p> and <br> tags added by wpautop around shortcodes.
* This is used for anything within a Cornerstone section to keep
* the markup clean and predictable.
* @param string $content Content to be cleaned
* @return string Cleaned content
*/
function cs_noemptyp( $content ) {
$array = array(
'<p>[' => '[',
']</p>' => ']',
']<br />' => ']',
);
$content = strtr( $content, $array );
return $content;
}
/**
* Wrap wp_send_json_success allowing for a filterable response
* @param mixed $data Data to encode as JSON, then print and die.
*/
function cs_send_json_success( $data = null ) {
$response = array( 'success' => true );
if ( isset( $data ) ) {
$response['data'] = $data;
}
wp_send_json( apply_filters( '_cornerstone_send_json_response', $response ) );
}
/**
* Wrap wp_send_json_error allowing for a filterable response
* @param mixed $data Data to encode as JSON, then print and die.
*/
function cs_send_json_error( $data = null ) {
$response = array( 'success' => false );
if ( isset( $data ) ) {
if ( is_wp_error( $data ) ) {
$result = array();
foreach ( $data->errors as $code => $messages ) {
foreach ( $messages as $message ) {
$result[] = array( 'code' => $code, 'message' => $message );
}
}
$response['data'] = $result;
} else {
$response['data'] = $data;
}
}
wp_send_json( apply_filters( '_cornerstone_send_json_response', $response ) );
}
/**
* Procces content through the_content filters, and strip down to just the
* contents of paragraph tags. To finish, pass it through wp_trim_words
* using WordPress defaults.
* @param string $content Content to make an excerpt for
* @return string Text result
*/
function cs_derive_excerpt( $content, $store = false ) {
$the_content = apply_filters( 'the_content', $content );
$length = apply_filters( 'excerpt_length', 55 );
$offset = 0;
$reduction = '';
while ( str_word_count( $reduction ) < $length * 1.5 ) {
preg_match( '/<p.*?>(.*?)<\/p>/', $the_content, $matches, PREG_OFFSET_CAPTURE, $offset );
if ( empty( $matches ) || ! isset( $matches[1] ) ) {
break;
}
$offset = $matches[1][1];
$reduction .= strip_tags( $matches[1][0] ) . ' ';
}
if ( $store === true ) {
return trim( $reduction );
}
return wp_trim_words( trim( $reduction ), $length, apply_filters( 'excerpt_more', ' […]' ) );
}
/**
* Allows HTML to be passed through shortcode attributes by decoding entities.
* We apply the cornerstone_decode_shortcode_attribute filter to allow other
* components to process and expand directives if needed.
* @param string $content Original content from shortcode attribute.
* @return string HTML ready to use in shortcode output
*/
function cs_decode_shortcode_attribute( $content ) {
if ( ! is_string( $content ) ) {
return $content;
}
return apply_filters( 'cornerstone_decode_shortcode_attribute', wp_specialchars_decode( $content, ENT_QUOTES ) );
}
/**
* Accessor function for TCO
* @return object TCO instance
*/
function cs_tco() {
return TCO_1_0::instance();
}
function cs_update_serialized_post_meta( $post_id, $meta_key, $meta_value, $prev_value = '', $allow_revision_updates = false ) {
if ( is_array( $meta_value ) && apply_filters( 'cornerstone_store_as_json', true ) ) {
$meta_value = wp_slash( json_encode( $meta_value ) );
}
if ( $allow_revision_updates ) {
return update_metadata('post', $post_id, $meta_key, $meta_value, $prev_value );
}
return update_post_meta( $post_id, $meta_key, $meta_value, $prev_value );
}
function cs_get_serialized_post_meta( $post_id, $key = '', $single = false ) {
return cs_maybe_json_decode( get_post_meta( $post_id, $key, $single ) );
}
function cs_maybe_json_decode( $value ) {
if ( is_string( $value ) ) {
$value = json_decode( $value, true );
}
return $value;
}
function cs_error( $data, $throw = false ) {
return new Cornerstone_Error( $data, $throw );
}
function is_cs_error( $error ) {
return is_a( $error, 'Cornerstone_Error' );
}
function cs_to_component_name( $name ) {
return str_replace( ' ', '_', ucwords( strtolower( preg_replace('/[-_:\/]/', ' ', str_replace(' ', '', $name ) ) ) ) );
}