function Cache::sha256

Return value

string|false

File

vendor/composer/composer/src/Composer/Cache.php, line 370

Class

Cache

Reads/writes to a filesystem cache

Namespace

Composer

Code

public function sha256(string $file) {
    if ($this->isEnabled()) {
        $file = Preg::replace('{[^' . $this->allowlist . ']}i', '-', $file);
        if (file_exists($this->root . $file)) {
            return hash_file('sha256', $this->root . $file);
        }
    }
    return false;
}