__construct(Iterator $iterator, array $matchPatterns, array $noMatchPatterns)

Parameters

Iterator	$iterator	The Iterator to filter
array	$matchPatterns	An array of patterns that need to match
array	$noMatchPatterns	An array of patterns that need to not match

protected bool isAccepted(string $string)

Checks whether the string is accepted by the regex filters.

If there is no regexps defined in the class, this method will accept the string. Such case can be handled by child classes before calling the method if they want to apply a different behavior.

Parameters

string

$string

The string to be matched against filters

Return Value

bool

protected bool isRegex(string $str)

Checks whether the string is a regex.

Parameters

string

$str

Return Value

bool	Whether the given string is a regex

protected string toRegex(string $str)

Converts strings to regexp.

PCRE patterns are left unchanged.

Default conversion: 'lorem/ipsum/dolor' ==> 'lorem\/ipsum\/dolor/'

Use only / as directory separator (on Windows also).

Parameters

string

$str

Pattern

Return Value

string

regexp corresponding to a given string

bool accept()

Filters the iterator values.

Return Value

bool	true if the value should be kept, false otherwise