Hal\Component\Chart\Graphviz::getImage()

Complexity

Conditions	2
Paths	2

Size

Total Lines	20
Code Lines	12

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	0	Features	0

<?php
    public function getImage($dotContent) {

        if(!$this->isAvailable()) {
            throw new \RuntimeException('Graphviz not installed');
        }

        $dotFile = tempnam(sys_get_temp_dir(), 'phpmetrics-graphviz');
        $imageFile = tempnam(sys_get_temp_dir(), 'phpmetrics-graphviz');

        // dot file
        $dotContent = str_replace('\\', '/', $dotContent);
        file_put_contents($dotFile, $dotContent);

        // image
        shell_exec(sprintf('circo -Lg -Tsvg -o%2$s %1$s  2>&1', $dotFile, $imageFile));
        $content = file_get_contents($imageFile);
        unlink($imageFile);
        unlink($dotFile);
        return $content;
    }
}