1. class
  2. Symfony
  3. Component
  4. Security
  5. Core
  6. Util
  7. StringUtils

StringUtils deprecated

class StringUtils

deprecated since 2.8, to be removed in 3.0.

String utility functions.

Methods

static bool
equals(string $knownString, string $userInput)

Compares two strings.

static int
safeStrlen(string $string)

Returns the number of bytes in a string.

Details

at line line 45
static bool equals(string $knownString, string $userInput)

Compares two strings.

This method implements a constant-time algorithm to compare strings. Regardless of the used implementation, it will leak length information.

Parameters

string $knownString The string of known length to compare against
string $userInput The string that the user can control

Return Value

bool true if the two strings are the same, false otherwise

at line line 66
static int safeStrlen(string $string)

Returns the number of bytes in a string.

Parameters

string $string The string whose length we wish to obtain

Return Value

int