dynamic-content.php
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<?php
namespace WPML\Compatibility\Divi;
use WPML\Compatibility\BaseDynamicContent;
class DynamicContent extends BaseDynamicContent {
const ENCODED_CONTENT_START = '@ET-DC@';
const ENCODED_CONTENT_END = '@';
/** @var array */
protected $positions = [ 'before', 'after' ];
/**
* Sets $positions dynamic content to be translatable.
*
* @param string $string The decoded string so far.
* @param string $encoding The encoding used.
*
* @return string|array
*/
public function decode_dynamic_content( $string, $encoding ) {
if ( $this->is_dynamic_content( $string ) ) {
$field = $this->decode_field( $string );
$decodedContent = [
'et-dynamic-content' => [
'value' => $string,
'translate' => false,
],
];
foreach ( $this->positions as $position ) {
if ( ! empty( $field['settings'][ $position ] ) ) {
$decodedContent[ $position ] = [
'value' => $field['settings'][ $position ],
'translate' => true,
];
}
}
return $decodedContent;
}
return $string;
}
/**
* Rebuilds dynamic content with translated strings.
*
* @param string|array $string The field array or string.
* @param string $encoding The encoding used.
*
* @return string
*/
public function encode_dynamic_content( $string, $encoding ) {
if ( is_array( $string ) && isset( $string['et-dynamic-content'] ) ) {
$field = $this->decode_field( $string['et-dynamic-content'] );
foreach ( $this->positions as $position ) {
if ( isset( $string[ $position ] ) ) {
$field['settings'][ $position ] = $string[ $position ];
}
}
return $this->encode_field( $field );
}
return $string;
}
/**
* Decode a dynamic-content field.
*
* @param string $string The string to decode.
*
* @return bool
*/
protected function is_dynamic_content( $string ) {
return substr( $string, 0, strlen( self::ENCODED_CONTENT_START ) ) === self::ENCODED_CONTENT_START;
}
/**
* Decode a dynamic-content field.
*
* @param string $string The string to decode.
*
* @return array
*/
protected function decode_field( $string ) {
$start = strlen( self::ENCODED_CONTENT_START );
$end = strlen( self::ENCODED_CONTENT_END );
// phpcs:disable WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_decode
return json_decode( base64_decode( substr( $string, $start, -$end ) ), true );
}
/**
* Encode a dynamic-content field.
*
* @param array $field The field to encode.
*
* @return string
*/
protected function encode_field( $field ) {
// phpcs:disable WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode
return self::ENCODED_CONTENT_START
. base64_encode( wp_json_encode( $field ) )
. self::ENCODED_CONTENT_END;
}
}