woocommerce/includes/wc-core-functions.php

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<?php
/**
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* WooCommerce Core Functions
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*
* General core functions available on both the front-end and admin.
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*
* @author WooThemes
* @category Core
* @package WooCommerce/Functions
* @version 2.1.0
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
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// Include core functions (available in both admin and frontend).
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include( 'wc-conditional-functions.php' );
include( 'wc-coupon-functions.php' );
include( 'wc-user-functions.php' );
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include( 'wc-deprecated-functions.php' );
include( 'wc-formatting-functions.php' );
include( 'wc-order-functions.php' );
include( 'wc-page-functions.php' );
include( 'wc-product-functions.php' );
include( 'wc-term-functions.php' );
include( 'wc-attribute-functions.php' );
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/**
* Filters on data used in admin and frontend.
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*/
add_filter( 'woocommerce_coupon_code', 'html_entity_decode' );
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add_filter( 'woocommerce_coupon_code', 'sanitize_text_field' );
add_filter( 'woocommerce_coupon_code', 'strtolower' ); // Coupons case-insensitive by default
add_filter( 'woocommerce_stock_amount', 'intval' ); // Stock amounts are integers by default
add_filter( 'woocommerce_shipping_rate_label', 'sanitize_text_field' ); // Shipping rate label
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/**
* Short Description (excerpt).
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*/
add_filter( 'woocommerce_short_description', 'wptexturize' );
add_filter( 'woocommerce_short_description', 'convert_smilies' );
add_filter( 'woocommerce_short_description', 'convert_chars' );
add_filter( 'woocommerce_short_description', 'wpautop' );
add_filter( 'woocommerce_short_description', 'shortcode_unautop' );
add_filter( 'woocommerce_short_description', 'prepend_attachment' );
add_filter( 'woocommerce_short_description', 'do_shortcode', 11 ); // AFTER wpautop()
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/**
* Create a new order programmatically.
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*
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* Returns a new order object on success which can then be used to add additional data.
*
* @return WC_Order on success, WP_Error on failure.
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*/
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function wc_create_order( $args = array() ) {
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$default_args = array(
'status' => '',
'customer_id' => null,
'customer_note' => null,
'order_id' => 0,
'created_via' => '',
'parent' => 0
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);
$args = wp_parse_args( $args, $default_args );
$order_data = array();
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if ( $args['order_id'] > 0 ) {
$updating = true;
$order_data['ID'] = $args['order_id'];
} else {
$updating = false;
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$order_data['post_type'] = 'shop_order';
$order_data['post_status'] = 'wc-' . apply_filters( 'woocommerce_default_order_status', 'pending' );
$order_data['ping_status'] = 'closed';
$order_data['post_author'] = 1;
$order_data['post_password'] = uniqid( 'order_' );
$order_data['post_title'] = sprintf( __( 'Order &ndash; %s', 'woocommerce' ), strftime( _x( '%b %d, %Y @ %I:%M %p', 'Order date parsed by strftime', 'woocommerce' ) ) );
$order_data['post_parent'] = absint( $args['parent'] );
}
if ( $args['status'] ) {
if ( ! in_array( 'wc-' . $args['status'], array_keys( wc_get_order_statuses() ) ) ) {
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return new WP_Error( 'woocommerce_invalid_order_status', __( 'Invalid order status', 'woocommerce' ) );
}
$order_data['post_status'] = 'wc-' . $args['status'];
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}
if ( ! is_null( $args['customer_note'] ) ) {
$order_data['post_excerpt'] = $args['customer_note'];
}
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if ( $updating ) {
$order_id = wp_update_post( $order_data );
} else {
$order_id = wp_insert_post( apply_filters( 'woocommerce_new_order_data', $order_data ), true );
}
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if ( is_wp_error( $order_id ) ) {
return $order_id;
}
if ( ! $updating ) {
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update_post_meta( $order_id, '_order_key', 'wc_' . apply_filters( 'woocommerce_generate_order_key', uniqid( 'order_' ) ) );
update_post_meta( $order_id, '_order_currency', get_woocommerce_currency() );
update_post_meta( $order_id, '_prices_include_tax', get_option( 'woocommerce_prices_include_tax' ) );
update_post_meta( $order_id, '_customer_ip_address', WC_Geolocation::get_ip_address() );
update_post_meta( $order_id, '_customer_user_agent', isset( $_SERVER['HTTP_USER_AGENT'] ) ? $_SERVER['HTTP_USER_AGENT'] : '' );
update_post_meta( $order_id, '_customer_user', 0 );
update_post_meta( $order_id, '_created_via', sanitize_text_field( $args['created_via'] ) );
}
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if ( is_numeric( $args['customer_id'] ) ) {
update_post_meta( $order_id, '_customer_user', $args['customer_id'] );
}
update_post_meta( $order_id, '_order_version', WC_VERSION );
return wc_get_order( $order_id );
}
/**
* Update an order. Uses wc_create_order.
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*
* @param array $args
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* @return string | WC_Order
*/
function wc_update_order( $args ) {
if ( ! $args['order_id'] ) {
return new WP_Error( __( 'Invalid order ID', 'woocommerce' ) );
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}
return wc_create_order( $args );
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}
/**
* Get template part (for templates like the shop-loop).
*
* WC_TEMPLATE_DEBUG_MODE will prevent overrides in themes from taking priority.
*
* @access public
* @param mixed $slug
* @param string $name (default: '')
*/
function wc_get_template_part( $slug, $name = '' ) {
$template = '';
// Look in yourtheme/slug-name.php and yourtheme/woocommerce/slug-name.php
if ( $name && ! WC_TEMPLATE_DEBUG_MODE ) {
$template = locate_template( array( "{$slug}-{$name}.php", WC()->template_path() . "{$slug}-{$name}.php" ) );
}
// Get default slug-name.php
if ( ! $template && $name && file_exists( WC()->plugin_path() . "/templates/{$slug}-{$name}.php" ) ) {
$template = WC()->plugin_path() . "/templates/{$slug}-{$name}.php";
}
// If template file doesn't exist, look in yourtheme/slug.php and yourtheme/woocommerce/slug.php
if ( ! $template && ! WC_TEMPLATE_DEBUG_MODE ) {
$template = locate_template( array( "{$slug}.php", WC()->template_path() . "{$slug}.php" ) );
}
// Allow 3rd party plugins to filter template file from their plugin.
$template = apply_filters( 'wc_get_template_part', $template, $slug, $name );
if ( $template ) {
load_template( $template, false );
}
}
/**
* Get other templates (e.g. product attributes) passing attributes and including the file.
*
* @access public
* @param string $template_name
* @param array $args (default: array())
* @param string $template_path (default: '')
* @param string $default_path (default: '')
*/
function wc_get_template( $template_name, $args = array(), $template_path = '', $default_path = '' ) {
if ( $args && is_array( $args ) ) {
extract( $args );
}
$located = wc_locate_template( $template_name, $template_path, $default_path );
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if ( ! file_exists( $located ) ) {
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_doing_it_wrong( __FUNCTION__, sprintf( '<code>%s</code> does not exist.', $located ), '2.1' );
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return;
}
// Allow 3rd party plugin filter template file from their plugin.
$located = apply_filters( 'wc_get_template', $located, $template_name, $args, $template_path, $default_path );
do_action( 'woocommerce_before_template_part', $template_name, $template_path, $located, $args );
include( $located );
do_action( 'woocommerce_after_template_part', $template_name, $template_path, $located, $args );
}
/**
* Like wc_get_template, but returns the HTML instead of outputting.
* @see wc_get_template
* @since 2.5.0
*/
function wc_get_template_html( $template_name, $args = array(), $template_path = '', $default_path = '' ) {
ob_start();
wc_get_template( $template_name, $args, $template_path, $default_path );
return ob_get_clean();
}
/**
* Locate a template and return the path for inclusion.
*
* This is the load order:
*
* yourtheme / $template_path / $template_name
* yourtheme / $template_name
* $default_path / $template_name
*
* @access public
* @param string $template_name
* @param string $template_path (default: '')
* @param string $default_path (default: '')
* @return string
*/
function wc_locate_template( $template_name, $template_path = '', $default_path = '' ) {
if ( ! $template_path ) {
$template_path = WC()->template_path();
}
if ( ! $default_path ) {
$default_path = WC()->plugin_path() . '/templates/';
}
// Look within passed path within the theme - this is priority.
$template = locate_template(
array(
trailingslashit( $template_path ) . $template_name,
$template_name
)
);
// Get default template/
if ( ! $template || WC_TEMPLATE_DEBUG_MODE ) {
$template = $default_path . $template_name;
}
// Return what we found.
return apply_filters( 'woocommerce_locate_template', $template, $template_name, $template_path );
}
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/**
* Get Base Currency Code.
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*
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* @return string
*/
function get_woocommerce_currency() {
return apply_filters( 'woocommerce_currency', get_option('woocommerce_currency') );
}
/**
* Get full list of currency codes.
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*
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* @return array
*/
function get_woocommerce_currencies() {
return array_unique(
apply_filters( 'woocommerce_currencies',
array(
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'AED' => __( 'United Arab Emirates Dirham', 'woocommerce' ),
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'ARS' => __( 'Argentine Peso', 'woocommerce' ),
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'AUD' => __( 'Australian Dollars', 'woocommerce' ),
'BDT' => __( 'Bangladeshi Taka', 'woocommerce' ),
'BGN' => __( 'Bulgarian Lev', 'woocommerce' ),
'BRL' => __( 'Brazilian Real', 'woocommerce' ),
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'CAD' => __( 'Canadian Dollars', 'woocommerce' ),
'CHF' => __( 'Swiss Franc', 'woocommerce' ),
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'CLP' => __( 'Chilean Peso', 'woocommerce' ),
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'CNY' => __( 'Chinese Yuan', 'woocommerce' ),
'COP' => __( 'Colombian Peso', 'woocommerce' ),
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'CZK' => __( 'Czech Koruna', 'woocommerce' ),
'DKK' => __( 'Danish Krone', 'woocommerce' ),
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'DOP' => __( 'Dominican Peso', 'woocommerce' ),
'EGP' => __( 'Egyptian Pound', 'woocommerce' ),
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'EUR' => __( 'Euros', 'woocommerce' ),
'GBP' => __( 'Pounds Sterling', 'woocommerce' ),
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'HKD' => __( 'Hong Kong Dollar', 'woocommerce' ),
'HRK' => __( 'Croatia kuna', 'woocommerce' ),
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'HUF' => __( 'Hungarian Forint', 'woocommerce' ),
'IDR' => __( 'Indonesia Rupiah', 'woocommerce' ),
'ILS' => __( 'Israeli Shekel', 'woocommerce' ),
'INR' => __( 'Indian Rupee', 'woocommerce' ),
'ISK' => __( 'Icelandic krona', 'woocommerce' ),
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'JPY' => __( 'Japanese Yen', 'woocommerce' ),
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'KES' => __( 'Kenyan shilling', 'woocommerce' ),
'LAK' => __( 'Lao Kip', 'woocommerce' ),
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'KRW' => __( 'South Korean Won', 'woocommerce' ),
'MXN' => __( 'Mexican Peso', 'woocommerce' ),
'MYR' => __( 'Malaysian Ringgits', 'woocommerce' ),
'NGN' => __( 'Nigerian Naira', 'woocommerce' ),
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'NOK' => __( 'Norwegian Krone', 'woocommerce' ),
'NPR' => __( 'Nepali Rupee', 'woocommerce' ),
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'NZD' => __( 'New Zealand Dollar', 'woocommerce' ),
'PHP' => __( 'Philippine Pesos', 'woocommerce' ),
'PKR' => __( 'Pakistani Rupee', 'woocommerce' ),
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'PLN' => __( 'Polish Zloty', 'woocommerce' ),
'PYG' => __( 'Paraguayan Guaraní', 'woocommerce' ),
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'RON' => __( 'Romanian Leu', 'woocommerce' ),
'RUB' => __( 'Russian Ruble', 'woocommerce' ),
'SEK' => __( 'Swedish Krona', 'woocommerce' ),
'SGD' => __( 'Singapore Dollar', 'woocommerce' ),
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'THB' => __( 'Thai Baht', 'woocommerce' ),
'TRY' => __( 'Turkish Lira', 'woocommerce' ),
'TWD' => __( 'Taiwan New Dollars', 'woocommerce' ),
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'UAH' => __( 'Ukrainian Hryvnia', 'woocommerce' ),
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'USD' => __( 'US Dollars', 'woocommerce' ),
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'VND' => __( 'Vietnamese Dong', 'woocommerce' ),
'ZAR' => __( 'South African rand', 'woocommerce' ),
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)
)
);
}
/**
* Get Currency symbol.
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*
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* @param string $currency (default: '')
* @return string
*/
function get_woocommerce_currency_symbol( $currency = '' ) {
if ( ! $currency ) {
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$currency = get_woocommerce_currency();
}
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$symbols = apply_filters( 'woocommerce_currency_symbols', array(
'AED' => 'د.إ',
'ARS' => '&#36;',
'AUD' => '&#36;',
'BDT' => '&#2547;&nbsp;',
'BGN' => '&#1083;&#1074;.',
'BRL' => '&#82;&#36;',
'CAD' => '&#36;',
'CHF' => '&#67;&#72;&#70;',
'CLP' => '&#36;',
'CNY' => '&yen;',
'COP' => '&#36;',
'CZK' => '&#75;&#269;',
'DKK' => 'DKK',
'DOP' => 'RD&#36;',
'EGP' => 'EGP',
'EUR' => '&euro;',
'GBP' => '&pound;',
'HKD' => '&#36;',
'HRK' => 'Kn',
'HUF' => '&#70;&#116;',
'IDR' => 'Rp',
'ILS' => '&#8362;',
'INR' => '&#8377;',
'ISK' => 'Kr.',
'JPY' => '&yen;',
'KES' => 'KSh',
'LAK' => '&#8365;',
'KRW' => '&#8361;',
'MXN' => '&#36;',
'MYR' => '&#82;&#77;',
'NGN' => '&#8358;',
'NOK' => '&#107;&#114;',
'NPR' => '&#8360;',
'NZD' => '&#36;',
'PHP' => '&#8369;',
'PKR' => '&#8360;',
'PLN' => '&#122;&#322;',
'PYG' => '&#8370;',
'RMB' => '&yen;',
'RON' => 'lei',
'RUB' => '&#1088;&#1091;&#1073;.',
'SEK' => '&#107;&#114;',
'SGD' => '&#36;',
'THB' => '&#3647;',
'TRY' => '&#8378;',
'TWD' => '&#78;&#84;&#36;',
'UAH' => '&#8372;',
'USD' => '&#36;',
'VND' => '&#8363;',
'ZAR' => '&#82;',
) );
$currency_symbol = isset( $symbols[ $currency ] ) ? $symbols[ $currency ] : '';
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return apply_filters( 'woocommerce_currency_symbol', $currency_symbol, $currency );
}
/**
* Send HTML emails from WooCommerce.
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*
* @param mixed $to
* @param mixed $subject
* @param mixed $message
* @param string $headers (default: "Content-Type: text/html\r\n")
* @param string $attachments (default: "")
*/
function wc_mail( $to, $subject, $message, $headers = "Content-Type: text/html\r\n", $attachments = "" ) {
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$mailer = WC()->mailer();
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$mailer->send( $to, $subject, $message, $headers, $attachments );
}
/**
* Get an image size.
*
* Variable is filtered by woocommerce_get_image_size_{image_size}.
*
* @param mixed $image_size
* @return array
*/
function wc_get_image_size( $image_size ) {
if ( is_array( $image_size ) ) {
$width = isset( $image_size[0] ) ? $image_size[0] : '300';
$height = isset( $image_size[1] ) ? $image_size[1] : '300';
$crop = isset( $image_size[2] ) ? $image_size[2] : 1;
$size = array(
'width' => $width,
'height' => $height,
'crop' => $crop
);
$image_size = $width . '_' . $height;
} elseif ( in_array( $image_size, array( 'shop_thumbnail', 'shop_catalog', 'shop_single' ) ) ) {
$size = get_option( $image_size . '_image_size', array() );
$size['width'] = isset( $size['width'] ) ? $size['width'] : '300';
$size['height'] = isset( $size['height'] ) ? $size['height'] : '300';
$size['crop'] = isset( $size['crop'] ) ? $size['crop'] : 0;
} else {
$size = array(
'width' => '300',
'height' => '300',
'crop' => 1
);
}
return apply_filters( 'woocommerce_get_image_size_' . $image_size, $size );
}
/**
* Queue some JavaScript code to be output in the footer.
*
* @param string $code
*/
function wc_enqueue_js( $code ) {
global $wc_queued_js;
if ( empty( $wc_queued_js ) ) {
$wc_queued_js = '';
}
$wc_queued_js .= "\n" . $code . "\n";
}
/**
* Output any queued javascript code in the footer.
*/
function wc_print_js() {
global $wc_queued_js;
if ( ! empty( $wc_queued_js ) ) {
echo "<!-- WooCommerce JavaScript -->\n<script type=\"text/javascript\">\njQuery(function($) {";
// Sanitize
$wc_queued_js = wp_check_invalid_utf8( $wc_queued_js );
$wc_queued_js = preg_replace( '/&#(x)?0*(?(1)27|39);?/i', "'", $wc_queued_js );
$wc_queued_js = str_replace( "\r", '', $wc_queued_js );
echo $wc_queued_js . "});\n</script>\n";
unset( $wc_queued_js );
}
}
/**
* Set a cookie - wrapper for setcookie using WP constants.
*
* @param string $name Name of the cookie being set.
* @param string $value Value of the cookie.
* @param integer $expire Expiry of the cookie.
* @param string $secure Whether the cookie should be served only over https.
*/
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function wc_setcookie( $name, $value, $expire = 0, $secure = false ) {
if ( ! headers_sent() ) {
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setcookie( $name, $value, $expire, COOKIEPATH, COOKIE_DOMAIN, $secure );
} elseif ( defined( 'WP_DEBUG' ) && WP_DEBUG ) {
headers_sent( $file, $line );
trigger_error( "{$name} cookie cannot be set - headers already sent by {$file} on line {$line}", E_USER_NOTICE );
}
}
/**
* Get the URL to the WooCommerce REST API.
*
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* @since 2.1
* @param string $path an endpoint to include in the URL.
* @return string the URL.
*/
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function get_woocommerce_api_url( $path ) {
$_version = substr( WC_API::VERSION, 0, 1 );
$version = defined( 'WC_API_REQUEST_VERSION' ) ? WC_API_REQUEST_VERSION : $_version;
$url = get_home_url( null, "wc-api/v{$version}/", is_ssl() ? 'https' : 'http' );
if ( ! empty( $path ) && is_string( $path ) ) {
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$url .= ltrim( $path, '/' );
}
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return $url;
}
/**
* Get a log file path.
*
* @since 2.2
* @param string $handle name.
* @return string the log file path.
*/
function wc_get_log_file_path( $handle ) {
return trailingslashit( WC_LOG_DIR ) . $handle . '-' . sanitize_file_name( wp_hash( $handle ) ) . '.log';
}
/**
* Init for our rewrite rule fixes.
*/
function wc_fix_rewrite_rules_init() {
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$permalinks = get_option( 'woocommerce_permalinks' );
if ( ! empty( $permalinks['use_verbose_page_rules'] ) ) {
$GLOBALS['wp_rewrite']->use_verbose_page_rules = true;
}
}
add_action( 'init', 'wc_fix_rewrite_rules_init' );
/**
* Various rewrite rule fixes.
*
* @since 2.2
* @param array $rules
* @return array
*/
function wc_fix_rewrite_rules( $rules ) {
global $wp_rewrite;
$permalinks = get_option( 'woocommerce_permalinks' );
$product_permalink = empty( $permalinks['product_base'] ) ? _x( 'product', 'slug', 'woocommerce' ) : $permalinks['product_base'];
// Fix the rewrite rules when the product permalink have %product_cat% flag.
if ( preg_match( '`/(.+)(/%product_cat%)`' , $product_permalink, $matches ) ) {
foreach ( $rules as $rule => $rewrite ) {
if ( preg_match( '`^' . preg_quote( $matches[1], '`' ) . '/\(`', $rule ) && preg_match( '/^(index\.php\?product_cat)(?!(.*product))/', $rewrite ) ) {
unset( $rules[ $rule ] );
}
}
}
// If the shop page is used as the base, we need to enable verbose rewrite rules or sub pages will 404.
if ( ! empty( $permalinks['use_verbose_page_rules'] ) ) {
$page_rewrite_rules = $wp_rewrite->page_rewrite_rules();
$rules = array_merge( $page_rewrite_rules, $rules );
}
return $rules;
}
add_filter( 'rewrite_rules_array', 'wc_fix_rewrite_rules' );
/**
* Prevent product attachment links from breaking when using complex rewrite structures.
*
* @param string $link
* @param id $post_id
* @return string
*/
function wc_fix_product_attachment_link( $link, $post_id ) {
global $wp_rewrite;
$post = get_post( $post_id );
if ( 'product' === get_post_type( $post->post_parent ) ) {
$permalinks = get_option( 'woocommerce_permalinks' );
$product_permalink = empty( $permalinks['product_base'] ) ? _x( 'product', 'slug', 'woocommerce' ) : $permalinks['product_base'];
if ( preg_match( '/\/(.+)(\/%product_cat%)$/' , $product_permalink, $matches ) ) {
$link = home_url( '/?attachment_id=' . $post->ID );
}
}
return $link;
}
add_filter( 'attachment_link', 'wc_fix_product_attachment_link', 10, 2 );
/**
* Protect downloads from ms-files.php in multisite.
*
* @param mixed $rewrite
* @return string
*/
function wc_ms_protect_download_rewite_rules( $rewrite ) {
if ( ! is_multisite() || 'redirect' == get_option( 'woocommerce_file_download_method' ) ) {
return $rewrite;
}
$rule = "\n# WooCommerce Rules - Protect Files from ms-files.php\n\n";
$rule .= "<IfModule mod_rewrite.c>\n";
$rule .= "RewriteEngine On\n";
$rule .= "RewriteCond %{QUERY_STRING} file=woocommerce_uploads/ [NC]\n";
$rule .= "RewriteRule /ms-files.php$ - [F]\n";
$rule .= "</IfModule>\n\n";
return $rule . $rewrite;
}
add_filter( 'mod_rewrite_rules', 'wc_ms_protect_download_rewite_rules' );
/**
* WooCommerce Core Supported Themes.
*
* @since 2.2
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* @return string[]
*/
function wc_get_core_supported_themes() {
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return array( 'twentysixteen', 'twentyfifteen', 'twentyfourteen', 'twentythirteen', 'twentyeleven', 'twentytwelve', 'twentyten' );
}
/**
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* Wrapper function to execute the `woocommerce_deliver_webhook_async` cron.
* hook, see WC_Webhook::process().
*
* @since 2.2
* @param int $webhook_id webhook ID to deliver.
* @param mixed $arg hook argument.
*/
function wc_deliver_webhook_async( $webhook_id, $arg ) {
$webhook = new WC_Webhook( $webhook_id );
$webhook->deliver( $arg );
}
add_action( 'woocommerce_deliver_webhook_async', 'wc_deliver_webhook_async', 10, 2 );
/**
* Enables template debug mode.
*/
function wc_template_debug_mode() {
if ( ! defined( 'WC_TEMPLATE_DEBUG_MODE' ) ) {
$status_options = get_option( 'woocommerce_status_options', array() );
if ( ! empty( $status_options['template_debug_mode'] ) && current_user_can( 'manage_options' ) ) {
define( 'WC_TEMPLATE_DEBUG_MODE', true );
} else {
define( 'WC_TEMPLATE_DEBUG_MODE', false );
}
}
}
add_action( 'after_setup_theme', 'wc_template_debug_mode', 20 );
/**
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* Formats a string in the format COUNTRY:STATE into an array.
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*
* @since 2.3.0
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* @param string $country_string
* @return array
*/
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function wc_format_country_state_string( $country_string ) {
if ( strstr( $country_string, ':' ) ) {
list( $country, $state ) = explode( ':', $country_string );
} else {
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$country = $country_string;
$state = '';
}
return array(
'country' => $country,
'state' => $state
);
}
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/**
* Get the store's base location.
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*
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* @todo should the woocommerce_default_country option be renamed to contain 'base'?
* @since 2.3.0
* @return array
*/
function wc_get_base_location() {
$default = apply_filters( 'woocommerce_get_base_location', get_option( 'woocommerce_default_country' ) );
return wc_format_country_state_string( $default );
}
/**
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* Get the customer's default location. .
*
* Filtered, and set to base location or left blank. If cache-busting,
* this should only be used when 'location' is set in the querystring.
*
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* @todo should the woocommerce_default_country option be renamed to contain 'base'?
* @since 2.3.0
* @return array
*/
function wc_get_customer_default_location() {
switch ( get_option( 'woocommerce_default_customer_address' ) ) {
case 'geolocation_ajax' :
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case 'geolocation' :
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$location = WC_Geolocation::geolocate_ip();
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// Base fallback.
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if ( empty( $location['country'] ) ) {
$location = wc_format_country_state_string( apply_filters( 'woocommerce_customer_default_location', get_option( 'woocommerce_default_country' ) ) );
}
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break;
case 'base' :
$location = wc_format_country_state_string( apply_filters( 'woocommerce_customer_default_location', get_option( 'woocommerce_default_country' ) ) );
break;
default :
$location = wc_format_country_state_string( apply_filters( 'woocommerce_customer_default_location', '' ) );
break;
}
return $location;
}
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// This function can be removed when WP 3.9.2 or greater is required.
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if ( ! function_exists( 'hash_equals' ) ) :
/**
* Compare two strings in constant time.
*
* This function was added in PHP 5.6.
* It can leak the length of a string.
*
* @since 3.9.2
*
* @param string $a Expected string.
* @param string $b Actual string.
* @return bool Whether strings are equal.
*/
function hash_equals( $a, $b ) {
$a_length = strlen( $a );
if ( $a_length !== strlen( $b ) ) {
return false;
}
$result = 0;
// Do not attempt to "optimize" this.
for ( $i = 0; $i < $a_length; $i++ ) {
$result |= ord( $a[ $i ] ) ^ ord( $b[ $i ] );
}
return $result === 0;
}
endif;
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/**
* Generate a rand hash.
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*
* @since 2.4.0
* @return string
*/
function wc_rand_hash() {
if ( function_exists( 'openssl_random_pseudo_bytes' ) ) {
return bin2hex( openssl_random_pseudo_bytes( 20 ) );
} else {
return sha1( wp_rand() );
}
}
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/**
* WC API - Hash.
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*
* @since 2.4.0
* @param string $data
* @return string
*/
function wc_api_hash( $data ) {
return hash_hmac( 'sha256', $data, 'wc-api' );
}
/**
* Find all possible combinations of values from the input array and return in a logical order.
* @since 2.5.0
* @param array $input
* @return array
*/
function wc_array_cartesian( $input ) {
$input = array_filter( $input );
$results = array();
$indexes = array();
$index = 0;
// Generate indexes from keys and values so we have a logical sort order
foreach ( $input as $key => $values ) {
foreach ( $values as $value ) {
$indexes[ $key ][ $value ] = $index ++;
}
}
// Loop over the 2D array of indexes and generate all combinations
foreach ( $indexes as $key => $values ) {
// When result is empty, fill with the values of the first looped array
if ( empty( $results ) ) {
foreach ( $values as $value ) {
$results[] = array( $key => $value );
}
// Second and subsequent input sub-array merging.
} else {
foreach ( $results as $result_key => $result ) {
foreach ( $values as $value ) {
// If the key is not set, we can set it
if ( ! isset( $results[ $result_key ][ $key ] ) ) {
$results[ $result_key ][ $key ] = $value;
// If the key is set, we can add a new combination to the results array
} else {
$new_combination = $results[ $result_key ];
$new_combination[ $key ] = $value;
$results[] = $new_combination;
}
}
}
}
}
// Sort the indexes
arsort( $results );
// Convert indexes back to values
foreach ( $results as $result_key => $result ) {
$converted_values = array();
// Sort the values
arsort( $results[ $result_key ] );
// Convert the values
foreach ( $results[ $result_key ] as $key => $value ) {
$converted_values[ $key ] = array_search( $value, $indexes[ $key ] );
}
$results[ $result_key ] = $converted_values;
}
return $results;
}
/**
* Run a MySQL transaction query, if supported.
* @param string $type start (default), commit, rollback
* @since 2.5.0
*/
function wc_transaction_query( $type = 'start' ) {
global $wpdb;
if ( ! defined( 'WC_USE_TRANSACTIONS' ) ) {
// Try to set isolation level to support dirty reads - if this is unsupported, do not use transactions
$wpdb->hide_errors();
$result = $wpdb->query( 'SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;' );
if ( false === $result ) {
define( 'WC_USE_TRANSACTIONS', false );
} else {
define( 'WC_USE_TRANSACTIONS', true );
}
}
if ( WC_USE_TRANSACTIONS ) {
switch ( $type ) {
case 'commit' :
$wpdb->query( 'COMMIT' );
break;
case 'rollback' :
$wpdb->query( 'ROLLBACK' );
break;
default :
$wpdb->query( 'START TRANSACTION' );
break;
}
}
}