' : ''.$this->options->eol; if($file !== null){ /** @noinspection HtmlRequiredLangAttribute */ return sprintf( '%s', $this->options->eol.$html ); } return $html; } /** * SVG output * * @see https://github.com/codemasher/php-qrcode/pull/5 */ protected function svg(string $file = null):string{ $matrix = $this->matrix->matrix(); $svg = sprintf($this->svgHeader, $this->options->cssClass, $this->options->svgViewBoxSize ?? $this->moduleCount) .$this->options->eol .''.$this->options->svgDefs.'' .$this->options->eol; foreach($this->moduleValues as $M_TYPE => $value){ $path = ''; foreach($matrix as $y => $row){ //we'll combine active blocks within a single row as a lightweight compression technique $start = null; $count = 0; foreach($row as $x => $module){ if($module === $M_TYPE){ $count++; if($start === null){ $start = $x; } if(isset($row[$x + 1])){ continue; } } if($count > 0){ $len = $count; $start ??= 0; // avoid type coercion in sprintf() - phan happy $path .= sprintf('M%s %s h%s v1 h-%sZ ', $start, $y, $len, $len); // reset count $count = 0; $start = null; } } } if(!empty($path)){ $svg .= sprintf( '', $M_TYPE, $this->options->cssClass, $value, $this->options->svgOpacity, $path ); } } // close svg $svg .= ''.$this->options->eol; // if saving to file, append the correct headers if($file !== null){ return ''. $this->options->eol.$svg; } if($this->options->imageBase64){ $svg = sprintf('data:image/svg+xml;base64,%s', base64_encode($svg)); } return $svg; } }