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Example code of philiprehberger/env-validator

Informations about the package env-validator

PHP Env Validator

Tests Latest Version on Packagist Last updated

Validate required environment variables with type checking and defaults.

Requirements

Installation

Usage

Required Variables

Check that environment variables are present:

Schema with Type Rules

Define variables with type validation in a single call:

Default Values

Provide fallback values for variables that may not be set:

Optional Variables

Optional variables generate warnings but do not cause validation failure:

Type Validation

Add type rules to individual variables:

Validate or Fail

Throw an exception if validation fails:

IP Validation

Validate IP addresses with specific version constraints:

Custom Validation Rules

Define your own validation logic with a callable:

Enum Validation

Validate that a value matches one of a backed enum's cases:

Dependency Rules

Make variables conditionally required based on other variables:

.env File Parsing

Validate a .env file without loading it into the environment:

The parser handles comments, quoted values, multiline values, export prefix, and ${VAR} interpolation.

Environment Profiles

Register named validation profiles for different environments:

Supported Types

Type Description
string Always passes (any string value)
int, integer Numeric digits, optionally prefixed with -
float, number Any numeric value (uses is_numeric)
bool, boolean true, false, 1, 0, yes, no (case-insensitive)
url Valid URL (uses FILTER_VALIDATE_URL)
email Valid email (uses FILTER_VALIDATE_EMAIL)
ip Valid IP address (uses FILTER_VALIDATE_IP)
ipv4 Valid IPv4 address
ipv6 Valid IPv6 address
json Valid JSON string

API

EnvValidator

Method Description
required(array $vars): PendingValidation Define required environment variables
schema(array $rules): PendingValidation Define variables with type rules
fromFile(string $path): PendingFileValidation Validate a .env file without loading it
profile(string $name, array $schema): void Register a named validation profile
validateProfile(string $name): ValidationResult Validate against a named profile

PendingValidation

Method Description
optional(array $vars): self Add optional variables (warnings only)
defaults(array $defaults): self Set default values for missing variables
type(string $var, string $type): self Add a type rule for a variable
custom(string $var, callable $validator, string $message = ''): self Add a custom validation rule
enum(string $var, string $enumClass): self Validate against a backed enum
dependsOn(string $var, string $dependency): self Require variable only when dependency is set
requiredIf(string $var, string $conditionVar, mixed $value): self Require variable when condition equals value
requiredUnless(string $var, string $conditionVar, mixed $value): self Require variable unless condition equals value
validate(): ValidationResult Run validation and return result
validateOrFail(): void Run validation, throw on failure

ValidationResult

Property Type Description
passed bool Whether validation passed
missing array<string> List of missing required variables
invalid array<string, string> Map of variable names to error messages
warnings array<string> List of warning messages
toArray() array Convert result to array

Development

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License

MIT

All versions of env-validator with dependencies

PHP Build Version
Package Version
Requires php Version ^8.2
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