Strings
class Strings (View source)
Functions useful for validating strings.
Methods
Returns true if the provided email is valid.
Returns true on whether the passed string is completely alpha-numeric, if the value is not a string or is an empty string false will be returned.
Returns true if the passed string is a valid "handle" (e.g. only letters, numbers, or a _ symbol).
Returns false if the string is empty (including trim()).
Returns true on whether the passed string is larger or equal to the passed length.
Returns true on whether the passed is smaller or equal to the passed length.
Returns 0 if there are no numbers in the string, or returns the number of numbers in the string.
Returns 0 if there are no upper case letters in the string, or returns the number of upper case letters in the string.
Returns 0 if there are no lower case letters in the string, or returns the number of lower case letters in the string.
Returns 0 if there are no symbols in the string, or returns the number of symbols in the string.
Details
bool
email(string $em, bool $testMXRecord = false, bool $strict = false)
Returns true if the provided email is valid.
bool
alphanum(string $value, bool $allowSpaces = false, bool $allowDashes = false)
Returns true on whether the passed string is completely alpha-numeric, if the value is not a string or is an empty string false will be returned.
bool
handle(string $handle)
Returns true if the passed string is a valid "handle" (e.g. only letters, numbers, or a _ symbol).
bool
notempty(string $field)
Returns false if the string is empty (including trim()).
bool
min(string $str, int $length)
Returns true on whether the passed string is larger or equal to the passed length.
bool
max(string $str, int $length)
Returns true on whether the passed is smaller or equal to the passed length.
int
containsNumber(string $str)
Returns 0 if there are no numbers in the string, or returns the number of numbers in the string.
int
containsUpperCase(string $str)
Returns 0 if there are no upper case letters in the string, or returns the number of upper case letters in the string.
int
containsLowerCase(string $str)
Returns 0 if there are no lower case letters in the string, or returns the number of lower case letters in the string.
int
containsSymbol(string $str)
Returns 0 if there are no symbols in the string, or returns the number of symbols in the string.