( $color == 'custom' ) ? us_get_color( $custom_color ) : '', ) ); $title_inline_css = us_prepare_inline_css( array( 'font-size' => $title_size, ) ); // Finding numbers positions in both initial and final strings $pos = array(); foreach ( array( 'initial', 'final' ) as $key ) { $pos[ $key ] = array(); // In this array we'll store the string's character number, where primitive changes from letter to number or back preg_match_all( '~($\-?\d+([\.,\'· ]\d+)*$)|(\-?\d+([\.,\'· ]\d+)*)~u', $$key, $matches, PREG_OFFSET_CAPTURE ); foreach ( $matches[0] as $match ) { /** * preg_* functions are not multi-byte encodings friendly, * so instead of direct usage of position captured by preg_match_all, * get the string part from start to the position first and then measure its length with multi-byte function */ $pos[ $key ][] = mb_strlen( substr( $$key, 0, $match[1] ) ); $pos[ $key ][] = $match[1] + mb_strlen( $match[0] ); } }; // Making sure we have the equal number of numbers in both strings if ( count( $pos['initial'] ) != count( $pos['final'] ) ) { // Not-paired numbers will be treated as letters if ( count( $pos['initial'] ) > count( $pos['final'] ) ) { $pos['initial'] = array_slice( $pos['initial'], 0, count( $pos['final'] ) ); } else/*if ( count( $positions['initial'] ) < count( $positions['final'] ) )*/ { $pos['final'] = array_slice( $pos['final'], 0, count( $pos['initial'] ) ); } } // Position boundaries foreach ( array( 'initial', 'final' ) as $key ) { array_unshift( $pos[ $key ], 0 ); $pos[ $key ][] = mb_strlen( $$key ); } // Output the element $output = ''; $output .= '

'; // Output the final value on AMP or Builder preview if ( us_amp() ) { $output .= '' . $final . ''; } else { // Determining if we treat each part as a number or as a letter combination for ( $index = 0, $length = count( $pos['initial'] ) - 1; $index < $length; $index++ ) { $part_type = ( $index % 2 ) ? 'number' : 'text'; $part_initial = mb_substr( $initial, $pos['initial'][ $index ], $pos['initial'][ $index + 1 ] - $pos['initial'][ $index ] ); $part_final = mb_substr( $final, $pos['final'][ $index ], $pos['final'][ $index + 1 ] - $pos['final'][ $index ] ); $output .= '' . $part_initial . ''; } } $output .= '

'; if ( ! empty( $title ) ) { $output .= '<' . $title_tag . ' class="w-counter-title"' . $title_inline_css . '>'; $output .= wptexturize( $title ); $output .= ''; } $output .= ''; echo $output;