session.cookie_samesite
INI directive default value set to Lax
session.use_strict_mode
INI directive default value changed from 0 to 1
session.cookie_httponly
INI directive default value changed from 0 to 1

Classes

ext-soap

SoapClient
Cloning class objects is no longer allowed

Constants

gd

GD_RELEASE_VERSION
Constant value changed from 35 to 0
GD_MINOR_VERSION
Constant value changed from 0 to 4
GD_VERSION
Constant value changed from 2.0.35 to 2.4.0

Improvements

Functions

ext-json

ext-ldap

ldap_free_result

Return type changed: bool to true

- ldap_free_result(LDAP\Result $result): bool
+ ldap_free_result(LDAP\Result $result): true

ext-openssl

openssl_verify

Optional parameter added - #6: int $salt_length = OPENSSL_RSA_PSS_SALTLEN_AUTO

 openssl_verify(
     string $data,
     string $signature,
     $public_key,
     string|int $algorithm = OPENSSL_ALGO_SHA1,
-    int $padding = 0
+    int $padding = 0,
+    int $salt_length = OPENSSL_RSA_PSS_SALTLEN_AUTO
   ): int|false

openssl_sign

Optional parameter added - #6: int $salt_length = OPENSSL_RSA_PSS_SALTLEN_AUTO

 openssl_sign(
     string $data,
     &$signature,
     $private_key,
     string|int $algorithm = OPENSSL_ALGO_SHA1,
-    int $padding = 0
+    int $padding = 0,
+    int $salt_length = OPENSSL_RSA_PSS_SALTLEN_AUTO
   ): bool

openssl_encrypt

Parameter type changed for parameter #7 ($aad): string to ?string

  openssl_encrypt(
      string $data,
      string $cipher_algo,
      string $passphrase,
      int $options = 0,
      string $iv = "",
      &$tag = null,
-     string $aad = "",
+     ?string $aad = "",
      int $tag_length = 16
    ): string|false

openssl_decrypt

Parameter type changed for parameter #7 ($aad): string to ?string

  openssl_decrypt(
      string $data,
      string $cipher_algo,
      string $passphrase,
      int $options = 0,
      string $iv = "",
      ?string $tag = null,
-     string $aad = ""
+     ?string $aad = ""
    ): string|false

ext-sockets

socket_addrinfo_lookup

Optional parameter added - #4: &$error_code = null

 socket_addrinfo_lookup(
     string $host,
     ?string $service = null,
-    array $hints = []
+    array $hints = [],
+    &$error_code = null
   ): array|false

Core

array_filter
Parameter default value changed for position #3 ($mode): 0 to ARRAY_FILTER_USE_VALUE

PHP 8.6: array_filter function's $mode throws ValueError on invalid values
```
  array_filter(
      array $array,
      ?callable $callback = null,
-     int $mode = 0
+     int $mode = ARRAY_FILTER_USE_VALUE
    ): array
```
trim
Parameter default value changed for position #2 ($characters): " \n\r\t\v\x00" to " \f\n\r\t\v\x00"

PHP 8.6: trim, ltrim, rtrim, chop functions now trim Form-Feed (\f) by default

RFC: Add Form Feed in trim Functions
```
- trim(string $string, string $characters = " \n\r\t\v\x00"): string
+ trim(string $string, string $characters = " \f\n\r\t\v\x00"): string
```

stream_socket_pair

Optional parameter added - #4: $context = null

 stream_socket_pair(
     int $domain,
     int $type,
-    int $protocol
+    int $protocol,
+    $context = null
   ): array|false

stream_select

Optional parameter added - #6: $context = null

 stream_select(
     ?array &$read,
     ?array &$write,
     ?array &$except,
     ?int $seconds,
-    ?int $microseconds = null
+    ?int $microseconds = null,
+    $context = null
   ): int|false

stream_is_local

Optional parameter added - #2: $context = null

- stream_is_local($stream): bool
+ stream_is_local($stream, $context = null): bool

stream_copy_to_stream

Optional parameter added - #5: $context = null

 stream_copy_to_stream(
     $from,
     $to,
     ?int $length = null,
-    int $offset = 0
+    int $offset = 0,
+    $context = null
   ): int|false

rtrim
Parameter default value changed for position #2 ($characters): " \n\r\t\v\x00" to " \f\n\r\t\v\x00"

PHP 8.6: trim, ltrim, rtrim, chop functions now trim Form-Feed (\f) by default

RFC: Add Form Feed in trim Functions
```
- rtrim(string $string, string $characters = " \n\r\t\v\x00"): string
+ rtrim(string $string, string $characters = " \f\n\r\t\v\x00"): string
```
chop
Parameter default value changed for position #2 ($characters): " \n\r\t\v\x00" to " \f\n\r\t\v\x00"

PHP 8.6: trim, ltrim, rtrim, chop functions now trim Form-Feed (\f) by default

RFC: Add Form Feed in trim Functions
```
- chop(string $string, string $characters = " \n\r\t\v\x00"): string
+ chop(string $string, string $characters = " \f\n\r\t\v\x00"): string
```
ltrim
Parameter default value changed for position #2 ($characters): " \n\r\t\v\x00" to " \f\n\r\t\v\x00"

PHP 8.6: trim, ltrim, rtrim, chop functions now trim Form-Feed (\f) by default

RFC: Add Form Feed in trim Functions
```
- ltrim(string $string, string $characters = " \n\r\t\v\x00"): string
+ ltrim(string $string, string $characters = " \f\n\r\t\v\x00"): string
```

Deprecations

Functions

ext-mbstring

mb_regex_encoding
Function deprecated
mb_split
Function deprecated
mb_regex_set_options
Function deprecated
mb_ereg_search_getregs
Function deprecated
mb_eregi_replace
Function deprecated
mb_eregi
Function deprecated
mb_ereg_search_setpos
Function deprecated
mb_ereg_search_regs
Function deprecated
mb_ereg_search_pos
Function deprecated
mb_ereg_search_init
Function deprecated
mb_ereg
Function deprecated
mb_ereg_match
Function deprecated
mb_ereg_replace
Function deprecated
mb_ereg_replace_callback
Function deprecated
mb_ereg_search
Function deprecated
mb_ereg_search_getpos
Function deprecated

Constants

mbstring

MB_ONIGURUMA_VERSION

Constant deprecated

var_dump(MB_ONIGURUMA_VERSION);
// 6.9.9

Constant MB_ONIGURUMA_VERSION is deprecated since 8.6, because the underlying library is no longer maintained