protected static function readComposerManifest(string $manifestPath): array
    {
        $manifestPathAndFilename = $manifestPath . 'composer.json';
        if (isset(self::$composerManifestCache[$manifestPathAndFilename])) {
            return self::$composerManifestCache[$manifestPathAndFilename];
        }

        if (!is_file($manifestPathAndFilename)) {
            throw new Exception\MissingPackageManifestException(sprintf('No composer manifest file found at "%s".', $manifestPathAndFilename), 1349868540);
        }
        $json = file_get_contents($manifestPathAndFilename);
        $composerManifest = json_decode($json, true);

        if ($composerManifest === null) {
            throw new Exception\InvalidPackageManifestException(sprintf('The composer manifest file found at "%s" could not be parsed. Check for JSON syntax errors!', $manifestPathAndFilename), 1493909988);
        }

        self::$composerManifestCache[$manifestPathAndFilename] = $composerManifest;
        return $composerManifest;
    }
protected static function readComposerManifest(string $manifestPath): array
    {
        $manifestPathAndFilename = $manifestPath . 'composer.json';
        if (isset(self::$composerManifestCache[$manifestPathAndFilename])) {
            return self::$composerManifestCache[$manifestPathAndFilename];
        }

        if (!is_file($manifestPathAndFilename)) {
            throw new Exception\MissingPackageManifestException(sprintf('No composer manifest file found at "%s".', $manifestPathAndFilename), 1349868540);
        }
        $json = file_get_contents($manifestPathAndFilename);
        $composerManifest = json_decode($json, true);

        if ($composerManifest === null) {
            throw new Exception\InvalidPackageManifestException(sprintf('The composer manifest file found at "%s" could not be parsed. Check for JSON syntax errors!', $manifestPathAndFilename), 1493909988);
        }

        self::$composerManifestCache[$manifestPathAndFilename] = $composerManifest;
        return $composerManifest;
    }
protected static function readComposerManifest ( string $ manifestPath ) : array { $ manifestPathAndFilename = $ manifestPath . 'composer.json' ; if ( isset ( self :: $ composerManifestCache [ $ manifestPathAndFilename ] ) ) { return self :: $ composerManifestCache [ $ manifestPathAndFilename ] ; } if ( ! is_file ( $ manifestPathAndFilename ) ) { throw new Exception \ MissingPackageManifestException ( sprintf ( 'No composer manifest file found at "%s".' , $ manifestPathAndFilename ) , 1349868540 ) ; } $ json = file_get_contents ( $ manifestPathAndFilename ) ; $ composerManifest = json_decode ( $ json , true ) ; if ( $ composerManifest === null ) { throw new Exception \ InvalidPackageManifestException ( sprintf ( 'The composer manifest file found at "%s" could not be parsed. Check for JSON syntax errors!' , $ manifestPathAndFilename ) , 1493909988 ) ; } self :: $ composerManifestCache [ $ manifestPathAndFilename ] = $ composerManifest ; return $ composerManifest ; }
Read the content of composer.json in the given path

@param string $manifestPath
@return array
@throws Exception\MissingPackageManifestException
Read the content of composer . json in the given path