Class Validators

Validation utilities.

Nette\Utils\Validators uses Nette\StaticClass

Namespace: Nette\Utils
Located at Utils/Validators.php

Methods summary
`public static`	# `assert( mixed $value, string $expected, string $label = 'variable' )` Throws exception if a variable is of unexpected type. Throws exception if a variable is of unexpected type. Parameters `$value` `$expected` types separated by pipe `$label` label
`public static`	# `assertField( array $arr, string $field, string $expected = null, string $label = "item '%' in array" )` Throws exception if an array field is missing or of unexpected type. Throws exception if an array field is missing or of unexpected type. Parameters `$arr` `$field` item `$expected` types separated by pipe `$label`
`public static boolean`	# `is( mixed $value, string $expected )` Finds whether a variable is of expected type. Finds whether a variable is of expected type. Parameters `$value` `$expected` types separated by pipe with optional ranges Returns `boolean` bool
`public static boolean`	# `everyIs( array\|Traversable $values, string $expected )` Finds whether all values are of expected type. Finds whether all values are of expected type. Parameters `$values` `$expected` types separated by pipe with optional ranges Returns `boolean` bool
`public static boolean`	# `isNumber( $value )` Finds whether a value is an integer or a float. Finds whether a value is an integer or a float. Returns `boolean` bool
`public static boolean`	# `isNumericInt( $value )` Finds whether a value is an integer. Finds whether a value is an integer. Returns `boolean` bool
`public static boolean`	# `isNumeric( $value )` Finds whether a string is a floating point number in decimal base. Finds whether a string is a floating point number in decimal base. Returns `boolean` bool
`public static boolean`	# `isCallable( $value )` Finds whether a value is a syntactically correct callback. Finds whether a value is a syntactically correct callback. Returns `boolean` bool
`public static boolean`	# `isUnicode( string $value )` Finds whether a value is an UTF-8 encoded string. Finds whether a value is an UTF-8 encoded string. Parameters `$value` Returns `boolean` bool
`public static boolean`	# `isNone( $value )` Finds whether a value is "falsy". Finds whether a value is "falsy". Returns `boolean` bool
`public static boolean`	# `isList( array $value )` Finds whether a variable is a zero-based integer indexed array. Finds whether a variable is a zero-based integer indexed array. Parameters `$value` Returns `boolean` bool
`public static boolean`	# `isInRange( mixed $value, array $range )` Is a value in specified range? Is a value in specified range? Parameters `$value` `$range` and max value pair Returns `boolean` bool
`public static boolean`	# `isEmail( string $value )` Finds whether a string is a valid email address. Finds whether a string is a valid email address. Parameters `$value` Returns `boolean` bool
`public static boolean`	# `isUrl( string $value )` Finds whether a string is a valid http(s) URL. Finds whether a string is a valid http(s) URL. Parameters `$value` Returns `boolean` bool
`public static boolean`	# `isUri( string $value )` Finds whether a string is a valid URI according to RFC 1738. Finds whether a string is a valid URI according to RFC 1738. Parameters `$value` Returns `boolean` bool
`public static boolean`	# `isType( string $type )` Checks whether the input is a class, interface or trait. Checks whether the input is a class, interface or trait. Parameters `$type` Returns `boolean` bool
`public static boolean`	# `isPhpIdentifier( $value )` Checks whether the input is a valid PHP identifier. Checks whether the input is a valid PHP identifier. Returns `boolean` bool

Methods used from Nette\StaticClass
`__callStatic(), __construct()`

Properties summary
`protected static array`	`$validators`	#[ 'bool' => 'is_bool', 'boolean' => 'is_bool', 'int' => 'is_int', 'integer' => 'is_int', 'float' => 'is_float', 'number' => [__CLASS__, 'isNumber'], 'numeric' => [__CLASS__, 'isNumeric'], 'numericint' => [__CLASS__, 'isNumericInt'], 'string' => 'is_string', 'unicode' => [__CLASS__, 'isUnicode'], 'array' => 'is_array', 'list' => [Arrays::class, 'isList'], 'object' => 'is_object', 'resource' => 'is_resource', 'scalar' => 'is_scalar', 'callable' => [__CLASS__, 'isCallable'], 'null' => 'is_null', 'email' => [__CLASS__, 'isEmail'], 'url' => [__CLASS__, 'isUrl'], 'uri' => [__CLASS__, 'isUri'], 'none' => [__CLASS__, 'isNone'], 'type' => [__CLASS__, 'isType'], 'identifier' => [__CLASS__, 'isPhpIdentifier'], 'pattern' => null, 'alnum' => 'ctype_alnum', 'alpha' => 'ctype_alpha', 'digit' => 'ctype_digit', 'lower' => 'ctype_lower', 'upper' => 'ctype_upper', 'space' => 'ctype_space', 'xdigit' => 'ctype_xdigit', 'iterable' => [__CLASS__, 'isIterable'], ]
`protected static array`	`$counters`	#`[ 'string' => 'strlen', 'unicode' => [Strings::class, 'length'], 'array' => 'count', 'list' => 'count', 'alnum' => 'strlen', 'alpha' => 'strlen', 'digit' => 'strlen', 'lower' => 'strlen', 'space' => 'strlen', 'upper' => 'strlen', 'xdigit' => 'strlen', ]`