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Determine if the string exists in another string.

Twine\Str::in( string $string [ , string $mode = Twine\Config\In::CASE_SENSITIVE ] ) : bool

Parameters

$string	The string to compare against
$mode	Flag for case-sensitive and case-insensitive mode

Available in mode flags:

Twine\Config\In::CASE_SENSITIVE	Match the string with case sensitivity (default)
Twine\Config\In::CASE_INSENSITIVE	Match the string with case insensitivity

$string = new Twine\Str('pink');

        $string->in('john pinkerton'); // Returns true

$string = new Twine\Str('purple');

        $string->in('john pinkerton'); // Returns false

$string = new Twine\Str('Pink');

        $string->in('john pinkerton', Twine\Config\In::CASE_INSENSITIVE); // Returns true

$color = new Twine\Str('pink');
        $name = new Twine\Str('john pinkerton');

        $color->in($name); // Returns true