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Holds read-only parameters.

CloneableInstantiable
Methods
public __construct(array $parameters = [], array $deprecatedParameters = [], array $nonEmptyParameters = [])
 

For performance reasons, the constructor assumes that all keys are already lowercased.

This is always the case when used internally.

public add(array $parameters) : never
public Symfony\Component\DependencyInjection\ParameterBag\ParameterBag::all() : array
public Symfony\Component\DependencyInjection\ParameterBag\ParameterBag::allDeprecated() : array
public Symfony\Component\DependencyInjection\ParameterBag\ParameterBag::allNonEmpty() : array
public cannotBeEmpty(string $name, string $message = 'A non-empty parameter "%s" is required.') : never
public clear() : never
public deprecate(string $name, string $package, string $version, string $message = 'The parameter "%s" is deprecated.') : never
public Symfony\Component\DependencyInjection\ParameterBag\ParameterBag::escapeValue(?mixed $value) : ?mixed
public Symfony\Component\DependencyInjection\ParameterBag\ParameterBag::get(string $name) : UnitEnum|array|string|int|float|bool|?null
public Symfony\Component\DependencyInjection\ParameterBag\ParameterBag::has(string $name) : bool
public Symfony\Component\DependencyInjection\ParameterBag\ParameterBag::isResolved() : bool
public remove(string $name) : never
public Symfony\Component\DependencyInjection\ParameterBag\ParameterBag::resolve() : void
public Symfony\Component\DependencyInjection\ParameterBag\ParameterBag::resolveString(string $value, array $resolving = []) : ?mixed
 

Resolves parameters inside a string.

  • param array $resolving An array of keys that are being resolved (used internally to detect circular references)
  • throws \ParameterNotFoundException if a placeholder references a parameter that does not exist
  • throws \ParameterCircularReferenceException if a circular reference if detected
  • throws \RuntimeException when a given parameter has a type problem
public Symfony\Component\DependencyInjection\ParameterBag\ParameterBag::resolveValue(?mixed $value, array $resolving = []) : ?mixed
 

Replaces parameter placeholders (%name%) by their values.

  • template
  • param \TValue $value
  • param array $resolving An array of keys that are being resolved (used internally to detect circular references)
  • psalm-return (TValue is scalar ? array|scalar : array<array|scalar>)
  • throws \ParameterNotFoundException if a placeholder references a parameter that does not exist
  • throws \ParameterCircularReferenceException if a circular reference if detected
  • throws \RuntimeException when a given parameter has a type problem
public set(string $name, UnitEnum|array|string|int|float|bool|?null $value) : never
public Symfony\Component\DependencyInjection\ParameterBag\ParameterBag::unescapeValue(?mixed $value) : ?mixed
Properties
protected array $deprecatedParameters
protected array $nonEmptyParameters
protected array Symfony\Component\DependencyInjection\ParameterBag\ParameterBag::$parameters = []
protected bool Symfony\Component\DependencyInjection\ParameterBag\ParameterBag::$resolved = false
© 2025 Bruce Wells
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