strtr

FunctionParams and return types changed in PHP 8.0

Translate characters or replace substrings.

PHP 5
PHP 7
PHP 8.0
Improved
PHP 8.1
PHP 8.2-8.3
PHP 8.4
PHP 8.5
PHP 8.6

strtr Function synopsis

strtr(
    string $string,
    array|string $from,
    ?string $to = null
  ): string

Parameters

$string

Typestring

The string being translated.

$from

Typearray|string

The string being translated to $to.

$to

OptionalType?stringDefault valuenull

The string replacing $from.

Return value

Typestring

Returns the translated string.

Changes to the strtr Function

PHP 8.0

  • Return type added: string
  • Parameter name of parameter #1 changed: $str to $string
  • Parameter type added for parameter #1 ($string): string
  • Parameter type added for parameter #2 ($from): array|string
  • Parameter type added for parameter #3 ($to): ?string
  • Parameter default value added for position #3 ($to): null
  strtr(
-     $str,
+     string $string,
-     $from,
+     array|string $from,
-     $to
+     ?string $to = null
-   )
+   ): string

strtr Function Availability

PHP VersionAvailability
PHP 8.6Upcoming Release Yes
PHP 8.5Supported (Latest) Yes
PHP 8.4Supported Yes
PHP 8.3Security-Fixes Only Yes
PHP 8.2Security-Fixes Only Yes
PHP 8.1Unsupported Yes
PHP 8.0Unsupported Yes
PHP 7.4Unsupported Yes
PHP 7.3Unsupported Yes
PHP 7.2Unsupported Yes
PHP 7.1Unsupported Yes
PHP 7.0Unsupported Yes
PHP 5.6Unsupported Yes
PHP 5.5Unsupported Yes
PHP 5.4Unsupported Yes
PHP 5.3Unsupported Yes