Replace the first occurence of a string only. Behaves like str_replace, but
replaces _only_ the _first_ occurence.
/**
* Event fired on database connection failure.
*
* @param FailedConnectionEvent $args
*
* @throws BootException
*/
public function failConnect(FailedConnectionEvent $args)
{
$e = $args->getException();
$this->logger->debug($e->getMessage(), ['event' => 'exception', 'exception' => $e]);
/*
* Using Driver here since Platform may try to connect
* to the database, which has failed since we are here.
*/
$platform = $args->getDriver()->getName();
$platform = Str::replaceFirst('pdo_', '', $platform);
$response = $this->exceptionController->databaseConnect($platform, $e);
throw new BootException($e->getMessage(), $e->getCode(), $e, $response);
}
/**
* Event fired on database connection failure.
*
* @param FailedConnectionEvent $args
*
* @throws LowLevelDatabaseException
*/
public function failConnect(FailedConnectionEvent $args)
{
$e = $args->getException();
$this->logger->debug($e->getMessage(), ['event' => 'exception', 'exception' => $e]);
// Trap double exceptions
set_exception_handler(function () {
});
/*
* Using Driver here since Platform may try to connect
* to the database, which has failed since we are here.
*/
$platform = $args->getDriver()->getName();
$platform = Str::replaceFirst('pdo_', '', $platform);
throw LowLevelDatabaseException::failedConnect($platform, $e);
}
/**
* Set up the DBAL connection now to check for a proper connection to the database.
*
* @throws LowlevelException
*/
protected function checkDatabaseConnection()
{
// [SECURITY]: If we get an error trying to connect to database, we throw a new
// LowLevelException with general information to avoid leaking connection information.
try {
$this['db']->connect();
// A ConnectionException or DriverException could be thrown, we'll catch DBALException to be safe.
} catch (DBALException $e) {
// Trap double exceptions caused by throwing a new LowlevelException
set_exception_handler(array('\\Bolt\\Exception\\LowlevelException', 'nullHandler'));
/*
* Using Driver here since Platform may try to connect
* to the database, which has failed since we are here.
*/
$platform = $this['db']->getDriver()->getName();
$platform = Str::replaceFirst('pdo_', '', $platform);
$error = "Bolt could not connect to the configured database.\n\n" . "Things to check:\n" . " * Ensure the {$platform} database is running\n" . " * Check the <code>database:</code> parameters are configured correctly in <code>app/config/config.yml</code>\n" . " * Database name is correct\n" . " * User name has access to the named database\n" . " * Password is correct\n";
throw new LowlevelException($error);
}
// Resume normal error handling
restore_error_handler();
}
/**
* Parse and fine-tune the database configuration.
*
* @param array $options
*
* @return array
*/
protected function parseDatabase(array $options)
{
// Make sure prefix ends with underscore
if (substr($options['prefix'], strlen($options['prefix']) - 1) !== '_') {
$options['prefix'] .= '_';
}
// Parse master connection parameters
$master = $this->parseConnectionParams($options);
// Merge master connection into options
$options = array_replace($options, $master);
// Add platform specific random functions
$driver = Str::replaceFirst('pdo_', '', $options['driver']);
if ($driver === 'sqlite') {
$options['driver'] = 'pdo_sqlite';
$options['randomfunction'] = 'RANDOM()';
} elseif (in_array($driver, ['mysql', 'mysqli'])) {
$options['driver'] = 'pdo_mysql';
$options['randomfunction'] = 'RAND()';
} elseif (in_array($driver, ['pgsql', 'postgres', 'postgresql'])) {
$options['driver'] = 'pdo_pgsql';
$options['randomfunction'] = 'RANDOM()';
}
// Specify the wrapper class for the connection
$options['wrapperClass'] = '\\Bolt\\Storage\\Database\\Connection';
// Parse SQLite separately since it has to figure out database path
if ($driver === 'sqlite') {
return $this->parseSqliteOptions($options);
}
// If no slaves return with single connection
if (empty($options['slaves'])) {
return $options;
}
// Specify we want a master slave connection
$options['wrapperClass'] = '\\Bolt\\Storage\\Database\\MasterSlaveConnection';
// Add master connection where MasterSlaveConnection looks for it.
$options['master'] = $master;
// Parse each slave connection parameters
foreach ($options['slaves'] as $name => $slave) {
$options['slaves'][$name] = $this->parseConnectionParams($slave, $master);
}
return $options;
}
/**
* Helper function to insert some HTML into the body section of an HTML
* page, right before the </body> tag.
*
* @param string $tag
* @param string $html
*
* @return string
*/
static function insertEndOfBody($tag, $html)
{
// first, attempt to insert it before the </body> tag, matching indentation.
if (preg_match("~([ \t]*)</body~mi", $html, $matches)) {
// Try to insert it just before </head>
$replacement = sprintf("%s\t%s\n%s", $matches[1], $tag, $matches[0]);
$html = Str::replaceFirst($matches[0], $replacement, $html);
} else {
// Since we're serving tag soup, just append it.
$html .= $tag . "\n";
}
return $html;
}
/**
* Helper function to insert some HTML after the last javascript include.
* First in the head section, but if there is no script in the head, place
* it anywhere.
*
* @param string $tag
* @param string $html
* @param bool $insidehead
*
* @return string
*/
public function insertAfterJs($tag, $html, $insidehead = true)
{
// Set $context: only the part until </head>, or entire document.
if ($insidehead) {
$pos = strpos($html, "</head>");
$context = substr($html, 0, $pos);
} else {
$context = $html;
}
// then, attempt to insert it after the last <script> tag within context, matching indentation.
if (preg_match_all("~^([ \t]*)(.*)</script>~mi", $context, $matches)) {
// matches[0] has some elements, the last index is -1, because zero indexed.
$last = count($matches[0]) - 1;
$replacement = sprintf("%s\n%s%s", $matches[0][$last], $matches[1][$last], $tag);
$html = Str::replaceFirst($matches[0][$last], $replacement, $html);
} elseif ($insidehead) {
// Second attempt: entire document
$html = $this->insertAfterJs($tag, $html, false);
} else {
// Just insert it at the end of the head section.
$html = $this->insertEndOfHead($tag, $html);
}
return $html;
}
/**
* Helper function to insert some HTML after the last javascript include.
* First in the head section, but if there is no script in the head, place
* it anywhere.
*
* @param AssetInterface $asset
* @param string $rawHtml
* @param boolean $insidehead
*
* @return string
*/
protected function jsTagsAfter($asset, $rawHtml, $insidehead = false)
{
if ($insidehead) {
$pos = strpos($rawHtml, '</head>');
$context = substr($rawHtml, 0, $pos);
} else {
$context = $rawHtml;
}
// This match tag is a unique case
if ($matches = $this->getMatches($context, '(.*)</script>', false, true)) {
// Attempt to insert it after the last <script> tag within context, matching indentation.
$last = count($matches[0]) - 1;
$replacement = sprintf("%s\n%s%s", $matches[0][$last], $matches[1][$last], (string) $asset);
return Str::replaceFirst($matches[0][$last], $replacement, $rawHtml);
} elseif ($insidehead) {
// Second attempt: entire document
return $this->jsTagsAfter($asset, $rawHtml, false);
}
return $this->headTagEnd($asset, $rawHtml);
}
/**
* {@inheritdoc}
*/
public final function getVendor()
{
if ($this->vendor === null) {
$namespace = $this->getNamespace();
$name = Str::replaceFirst('Bolt\\Extension\\', '', $namespace);
$pos = strpos($name, '\\');
$this->vendor = $pos === false ? $name : substr($name, 0, $pos);
}
return $this->vendor;
}
public function testReplaceFirst()
{
$input = "this is a test string this is a test string";
$this->assertEquals("one is a test string this is a test string", Str::replaceFirst('this', 'one', $input));
}
