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<?php |
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/** |
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* Util |
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* |
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* @author Pronamic <[email protected]> |
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* @copyright 2005-2018 Pronamic |
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* @license GPL-3.0-or-later |
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* @package Pronamic\WordPress\Pay |
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*/ |
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namespace Pronamic\WordPress\Pay; |
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use DateTime; |
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use SimpleXMLElement; |
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use WP_Error; |
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/** |
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* Title: WordPress utility class |
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* |
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* @author Remco Tolsma |
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* @version 1.0 |
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*/ |
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class Util { |
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/** |
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* Remote get body. |
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* |
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* @see https://developer.wordpress.org/reference/functions/wp_remote_request/ |
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* |
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* @param string $url The URL to use for the remote request. |
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* @param int $required_response_code The required response code. |
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* @param array $args The WordPress HTTP API request arguments. |
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* |
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* @return string|WP_Error |
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*/ |
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public static function remote_get_body( $url, $required_response_code = 200, array $args = array() ) { |
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$result = wp_remote_request( $url, $args ); |
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if ( ! is_array( $result ) ) { |
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return $result; |
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} |
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$response_code = wp_remote_retrieve_response_code( $result ); |
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if ( $response_code === $required_response_code ) { |
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return wp_remote_retrieve_body( $result ); |
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} |
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return new WP_Error( |
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'wrong_response_code', |
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sprintf( |
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__( 'The response code (<code>%1$s<code>) was incorrect, required response code <code>%2$s</code>.', 'pronamic_ideal' ), |
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$response_code, |
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$required_response_code |
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) |
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); |
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} |
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/** |
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* SimpleXML load string. |
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* |
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* @param string $string The XML string to convert to a SimpleXMLElement object. |
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* |
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* @return SimpleXMLElement|WP_Error |
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*/ |
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public static function simplexml_load_string( $string ) { |
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$result = false; |
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// Suppress all XML errors. |
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$use_errors = libxml_use_internal_errors( true ); |
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// Load. |
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$xml = simplexml_load_string( $string ); |
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if ( false !== $xml ) { |
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$result = $xml; |
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} else { |
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$error = new WP_Error( 'simplexml_load_error', __( 'Could not load the XML string.', 'pronamic_ideal' ) ); |
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foreach ( libxml_get_errors() as $e ) { |
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$error->add( 'libxml_error', $e->message, $e ); |
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} |
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libxml_clear_errors(); |
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$result = $error; |
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} |
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// Set back to previous value. |
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libxml_use_internal_errors( $use_errors ); |
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return $result; |
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} |
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/** |
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* Amount to cents. |
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* |
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* @param float $price The amount to convert to cents. |
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* |
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* @return int |
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*/ |
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public static function amount_to_cents( $price ) { |
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return round( $price * 100 ); |
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} |
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/** |
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* Cents to amount. |
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* |
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* @param int $cents The numberof cents to convert to an amount. |
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* |
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* @return float |
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*/ |
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public static function cents_to_amount( $cents ) { |
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return $cents / 100; |
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} |
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/** |
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* Convert boolean to an numceric boolean. |
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* |
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* @see https://github.com/eet-nu/buckaroo-ideal/blob/master/lib/buckaroo-ideal/request.rb#L136 |
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* |
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* @param boolean $boolean The boolean to convert to 1 or 0. |
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* |
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* @return int |
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*/ |
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public static function boolean_to_numeric( $boolean ) { |
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return $boolean ? 1 : 0; |
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} |
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/** |
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* Convert boolean to an string boolean. |
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* |
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* @see https://github.com/eet-nu/buckaroo-ideal/blob/master/lib/buckaroo-ideal/request.rb#L136 |
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* |
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* @param boolean $boolean The boolean to convert to the string 'true' or 'false'. |
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* |
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* @return int |
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*/ |
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public static function boolean_to_string( $boolean ) { |
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return $boolean ? 'true' : 'false'; |
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} |
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/** |
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* Format price. |
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* |
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* @see https://github.com/woothemes/woocommerce/blob/v2.2.3/includes/wc-formatting-functions.php#L306-L347 |
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* @see https://github.com/woothemes/woocommerce/blob/v2.2.3/includes/wc-core-functions.php#L299-L376 |
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* |
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* @param float $amount The amount to format. |
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* @param string $currency The currency code for the currency symbol. |
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* |
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* @return string |
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*/ |
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public static function format_price( $amount, $currency = null ) { |
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$float = filter_var( $amount, FILTER_VALIDATE_FLOAT ); |
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if ( false === $float ) { |
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return; |
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} |
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$currency = ( null === $currency ) ? 'EUR' : $currency; |
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$currency_symbol = $currency; |
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switch ( $currency ) { |
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case 'EUR': |
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$currency_symbol = '€'; |
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break; |
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case 'USD': |
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$currency_symbol = '$'; |
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break; |
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} |
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// @see https://en.wikipedia.org/wiki/Non-breaking_space#Keyboard_entry_methods |
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$non_breaking_space = ' '; |
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return '' . $currency_symbol . $non_breaking_space . number_format_i18n( $float, 2 ); |
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} |
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/** |
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* Format interval. |
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* |
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* @param int $interval The interval number. |
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* @param string $period The period indicator. |
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* |
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* @return string |
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*/ |
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public static function format_interval( $interval, $period ) { |
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switch ( $period ) { |
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case 'D': |
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case 'day': |
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case 'days': |
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return sprintf( _n( 'Every %s day', 'Every %s days', $interval, 'pronamic_ideal' ), $interval ); |
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case 'W': |
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case 'week': |
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case 'weeks': |
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return sprintf( _n( 'Every %s week', 'Every %s weeks', $interval, 'pronamic_ideal' ), $interval ); |
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case 'M': |
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case 'month': |
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case 'months': |
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return sprintf( _n( 'Every %s month', 'Every %s months', $interval, 'pronamic_ideal' ), $interval ); |
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case 'Y': |
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case 'year': |
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case 'years': |
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return sprintf( _n( 'Every %s year', 'Every %s years', $interval, 'pronamic_ideal' ), $interval ); |
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} |
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} |
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/** |
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* Convert single interval period character to full name. |
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* |
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* @param string $interval_period string Short interval period (D, W, M or Y). |
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* |
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* @return string |
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*/ |
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public static function to_interval_name( $interval_period ) { |
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switch ( $interval_period ) { |
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case 'D': |
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return 'days'; |
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case 'W': |
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return 'weeks'; |
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case 'M': |
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return 'months'; |
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case 'Y': |
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return 'years'; |
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} |
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return $interval_period; |
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} |
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/** |
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* Format frequency. |
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* |
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* @param int $frequency The number of times. |
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* |
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* @return string |
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*/ |
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public static function format_frequency( $frequency ) { |
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if ( empty( $frequency ) ) { |
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return _x( 'Unlimited', 'Recurring payment', 'pronamic_ideal' ); |
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} |
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return sprintf( _n( '%s time', '%s times', $frequency, 'pronamic_ideal' ), $frequency ); |
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} |
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/** |
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* Build URL with the specified parameters |
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* |
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* @param string $url The URL to extend with specified parameters. |
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* @param array $parameters The parameters to add to the specified URL. |
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* |
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* @return string |
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*/ |
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public static function build_url( $url, array $parameters ) { |
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return $url . '?' . _http_build_query( $parameters, null, '&' ); |
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} |
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/** |
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* Get hidden inputs HTML for data. |
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* |
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* @param array $data Array with name and value pairs to convert to hidden HTML input eleemnts. |
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* |
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* @return string |
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*/ |
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public static function html_hidden_fields( $data ) { |
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$html = ''; |
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foreach ( $data as $name => $value ) { |
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$html .= sprintf( '<input type="hidden" name="%s" value="%s" />', esc_attr( $name ), esc_attr( $value ) ); |
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} |
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return $html; |
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} |
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/** |
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* Array to HTML attributes. |
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* |
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* @param array $attributes The key and value pairs to convert to HTML attributes. |
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* |
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* @return string |
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*/ |
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public static function array_to_html_attributes( array $attributes ) { |
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$html = ''; |
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foreach ( $attributes as $key => $value ) { |
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$html .= sprintf( '%s="%s"', $key, esc_attr( $value ) ); |
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} |
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$html = trim( $html ); |
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return $html; |
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} |
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/** |
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* Select options grouped. |
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* |
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* @param array $groups The grouped select options. |
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* @param string $selected_value The selected value. |
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* |
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* @return string |
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*/ |
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public static function select_options_grouped( $groups, $selected_value = null ) { |
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$html = ''; |
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if ( is_array( $groups ) ) { |
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foreach ( $groups as $group ) { |
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$optgroup = isset( $group['name'] ) && ! empty( $group['name'] ); |
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if ( $optgroup ) { |
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$html .= '<optgroup label="' . $group['name'] . '">'; |
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} |
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foreach ( $group['options'] as $value => $label ) { |
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$html .= '<option value="' . $value . '" ' . selected( $selected_value, $value, false ) . '>' . $label . '</option>'; |
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} |
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if ( $optgroup ) { |
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$html .= '</optgroup>'; |
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} |
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} |
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} |
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return $html; |
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} |
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} |
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Let?s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let?s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: