public function ParameterBag::resolveString in Zircon Profile 8
Same name and namespace in other branches
- 8.0 vendor/symfony/dependency-injection/ParameterBag/ParameterBag.php \Symfony\Component\DependencyInjection\ParameterBag\ParameterBag::resolveString()
Resolves parameters inside a string.
Parameters
string $value The string to resolve:
array $resolving An array of keys that are being resolved (used internally to detect circular references):
Return value
string The resolved string
Throws
ParameterNotFoundException if a placeholder references a parameter that does not exist
ParameterCircularReferenceException if a circular reference if detected
RuntimeException when a given parameter has a type problem.
1 call to ParameterBag::resolveString()
- ParameterBag::resolveValue in vendor/
symfony/ dependency-injection/ ParameterBag/ ParameterBag.php - Replaces parameter placeholders (%name%) by their values.
File
- vendor/
symfony/ dependency-injection/ ParameterBag/ ParameterBag.php, line 200
Class
- ParameterBag
- Holds parameters.
Namespace
Symfony\Component\DependencyInjection\ParameterBagCode
public function resolveString($value, array $resolving = array()) {
// we do this to deal with non string values (Boolean, integer, ...)
// as the preg_replace_callback throw an exception when trying
// a non-string in a parameter value
if (preg_match('/^%([^%\\s]+)%$/', $value, $match)) {
$key = strtolower($match[1]);
if (isset($resolving[$key])) {
throw new ParameterCircularReferenceException(array_keys($resolving));
}
$resolving[$key] = true;
return $this->resolved ? $this
->get($key) : $this
->resolveValue($this
->get($key), $resolving);
}
$self = $this;
return preg_replace_callback('/%%|%([^%\\s]+)%/', function ($match) use ($self, $resolving, $value) {
// skip %%
if (!isset($match[1])) {
return '%%';
}
$key = strtolower($match[1]);
if (isset($resolving[$key])) {
throw new ParameterCircularReferenceException(array_keys($resolving));
}
$resolved = $self
->get($key);
if (!is_string($resolved) && !is_numeric($resolved)) {
throw new RuntimeException(sprintf('A string value must be composed of strings and/or numbers, but found parameter "%s" of type %s inside string value "%s".', $key, gettype($resolved), $value));
}
$resolved = (string) $resolved;
$resolving[$key] = true;
return $self
->isResolved() ? $resolved : $self
->resolveString($resolved, $resolving);
}, $value);
}