src/PEAR/PackageFile.php
function &fromXmlString($data, $state, $file, $archive = false)
    {
        if (preg_match('/<package[^>]+version=[\'"]([0-9]+\.[0-9]+)[\'"]/', $data, $packageversion)) {
            if (!in_array($packageversion[1], array('1.0', '2.0', '2.1'))) {
                return PEAR::raiseError('package.xml version "' . $packageversion[1] .
                    '" is not supported, only 1.0, 2.0, and 2.1 are supported.');
            }

            $object = &$this->parserFactory($packageversion[1]);
            if ($this->_logger) {
                $object->setLogger($this->_logger);
            }

            $object->setConfig($this->_config);
            $pf = $object->parse($data, $file, $archive);
            if (PEAR::isError($pf)) {
                return $pf;
            }

            if ($this->_rawReturn) {
                return $pf;
            }

            if (!$pf->validate($state)) {;
                if ($this->_config->get('verbose') > 0
                    && $this->_logger && $pf->getValidationWarnings(false)
                ) {
                    foreach ($pf->getValidationWarnings(false) as $warning) {
                        $this->_logger->log(0, 'ERROR: ' . $warning['message']);
                    }
                }

                $a = PEAR::raiseError('Parsing of package.xml from file "' . $file . '" failed',
                    2, null, null, $pf->getValidationWarnings());
                return $a;
            }

            if ($this->_logger && $pf->getValidationWarnings(false)) {
                foreach ($pf->getValidationWarnings() as $warning) {
                    $this->_logger->log(0, 'WARNING: ' . $warning['message']);
                }
            }

            if (method_exists($pf, 'flattenFilelist')) {
                $pf->flattenFilelist(); // for v2
            }

            return $pf;
        } elseif (preg_match('/<package[^>]+version=[\'"]([^"\']+)[\'"]/', $data, $packageversion)) {
            $a = PEAR::raiseError('package.xml file "' . $file .
                '" has unsupported package.xml <package> version "' . $packageversion[1] . '"');
            return $a;
        } else {
            if (!class_exists('PEAR_ErrorStack')) {
                require_once 'PEAR/ErrorStack.php';
            }

            PEAR_ErrorStack::staticPush('PEAR_PackageFile',
                PEAR_PACKAGEFILE_ERROR_NO_PACKAGEVERSION,
                'warning', array('xml' => $data), 'package.xml "' . $file .
                    '" has no package.xml <package> version');
            $object = &$this->parserFactory('1.0');
            $object->setConfig($this->_config);
            $pf = $object->parse($data, $file, $archive);
            if (PEAR::isError($pf)) {
                return $pf;
            }

            if ($this->_rawReturn) {
                return $pf;
            }

            if (!$pf->validate($state)) {
                $a = PEAR::raiseError('Parsing of package.xml from file "' . $file . '" failed',
                    2, null, null, $pf->getValidationWarnings());
                return $a;
            }

            if ($this->_logger && $pf->getValidationWarnings(false)) {
                foreach ($pf->getValidationWarnings() as $warning) {
                    $this->_logger->log(0, 'WARNING: ' . $warning['message']);
                }
            }

            if (method_exists($pf, 'flattenFilelist')) {
                $pf->flattenFilelist(); // for v2
            }

            return $pf;
        }
    }
function &fromXmlString($data, $state, $file, $archive = false)
    {
        if (preg_match('/<package[^>]+version=[\'"]([0-9]+\.[0-9]+)[\'"]/', $data, $packageversion)) {
            if (!in_array($packageversion[1], array('1.0', '2.0', '2.1'))) {
                return PEAR::raiseError('package.xml version "' . $packageversion[1] .
                    '" is not supported, only 1.0, 2.0, and 2.1 are supported.');
            }

            $object = &$this->parserFactory($packageversion[1]);
            if ($this->_logger) {
                $object->setLogger($this->_logger);
            }

            $object->setConfig($this->_config);
            $pf = $object->parse($data, $file, $archive);
            if (PEAR::isError($pf)) {
                return $pf;
            }

            if ($this->_rawReturn) {
                return $pf;
            }

            if (!$pf->validate($state)) {;
                if ($this->_config->get('verbose') > 0
                    && $this->_logger && $pf->getValidationWarnings(false)
                ) {
                    foreach ($pf->getValidationWarnings(false) as $warning) {
                        $this->_logger->log(0, 'ERROR: ' . $warning['message']);
                    }
                }

                $a = PEAR::raiseError('Parsing of package.xml from file "' . $file . '" failed',
                    2, null, null, $pf->getValidationWarnings());
                return $a;
            }

            if ($this->_logger && $pf->getValidationWarnings(false)) {
                foreach ($pf->getValidationWarnings() as $warning) {
                    $this->_logger->log(0, 'WARNING: ' . $warning['message']);
                }
            }

            if (method_exists($pf, 'flattenFilelist')) {
                $pf->flattenFilelist(); // for v2
            }

            return $pf;
        } elseif (preg_match('/<package[^>]+version=[\'"]([^"\']+)[\'"]/', $data, $packageversion)) {
            $a = PEAR::raiseError('package.xml file "' . $file .
                '" has unsupported package.xml <package> version "' . $packageversion[1] . '"');
            return $a;
        } else {
            if (!class_exists('PEAR_ErrorStack')) {
                require_once 'PEAR/ErrorStack.php';
            }

            PEAR_ErrorStack::staticPush('PEAR_PackageFile',
                PEAR_PACKAGEFILE_ERROR_NO_PACKAGEVERSION,
                'warning', array('xml' => $data), 'package.xml "' . $file .
                    '" has no package.xml <package> version');
            $object = &$this->parserFactory('1.0');
            $object->setConfig($this->_config);
            $pf = $object->parse($data, $file, $archive);
            if (PEAR::isError($pf)) {
                return $pf;
            }

            if ($this->_rawReturn) {
                return $pf;
            }

            if (!$pf->validate($state)) {
                $a = PEAR::raiseError('Parsing of package.xml from file "' . $file . '" failed',
                    2, null, null, $pf->getValidationWarnings());
                return $a;
            }

            if ($this->_logger && $pf->getValidationWarnings(false)) {
                foreach ($pf->getValidationWarnings() as $warning) {
                    $this->_logger->log(0, 'WARNING: ' . $warning['message']);
                }
            }

            if (method_exists($pf, 'flattenFilelist')) {
                $pf->flattenFilelist(); // for v2
            }

            return $pf;
        }
    }
Create a PEAR_PackageFile_v* from an XML string.
@access  public
@param   string $data contents of package.xml file
@param   int $state package state (one of PEAR_VALIDATE_* constants)
@param   string $file full path to the package.xml file (and the files
it references)
@param   string $archive optional name of the archive that the XML was
extracted from, if any
@return  PEAR_PackageFile_v1|PEAR_PackageFile_v2
@uses    parserFactory() to construct a parser to load the package.