1PHP 8.3 UPGRADE NOTES 2 31. Backward Incompatible Changes 42. New Features 53. Changes in SAPI modules 64. Deprecated Functionality 75. Changed Functions 86. New Functions 97. New Classes and Interfaces 108. Removed Extensions and SAPIs 119. Other Changes to Extensions 1210. New Global Constants 1311. Changes to INI File Handling 1412. Windows Support 1513. Other Changes 1614. Performance Improvements 17 18======================================== 191. Backward Incompatible Changes 20======================================== 21 22- Core: 23 . Programs that were very close to overflowing the call stack may now throw an 24 Error when using more than 25 `zend.max_allowed_stack_size-zend.reserved_stack_size` bytes of stack 26 (`fiber.stack_size-zend.reserved_stack_size` for fibers). 27 . Executing proc_get_status() multiple times will now always return the right 28 value on posix systems. Previously, only the first call of the function 29 returned the right value. Executing proc_close() after proc_get_status() 30 will now also return the right exit code. Previously this would return -1. 31 Internally, this works by caching the result on posix systems. If you want 32 the old behaviour, you can check the "cached" key in the array returned by 33 proc_get_status() to check whether the result was cached. 34 . Zend Max Execution Timers is now enabled by default for ZTS builds on 35 Linux. 36 . Uses of traits with static properties will now redeclare static properties 37 inherited from the parent class. This will create a separate static 38 property storage for the current class. This is analogous to adding the 39 static property to the class directly without traits. 40 . Assigning a negative index n to an empty array will now make sure that the 41 next index is n+1 instead of 0. 42 . Class constant visibility variance is now correctly checked when inherited 43 from interfaces. 44 . WeakMaps entries whose key maps to itself (possibly transitively) may now 45 be removed during cycle collection if the key is not reachable except by 46 iterating over the WeakMap (reachability via iteration is considered weak). 47 Previously, such entries would never be automatically removed. 48 . In addition to whitespace characters, now comments are allowed between 49 `yield` and `from`. The whole "construct" (e.g. `yield /* comment */ from`) 50 is reported as a single `T_YIELD_FROM` token by the tokenizer. 51 52- DOM: 53 . DOMChildNode::after(), DOMChildNode::before(), DOMChildNode::replaceWith() 54 on a node that has no parent is now a no-op instead of a hierarchy 55 exception, which is the behaviour spec demands. 56 . Using the DOMParentNode and DOMChildNode methods without a document now 57 works instead of throwing a HIERARCHY_REQUEST_ERR DOMException. This is in 58 line with the behaviour spec demands. 59 . createAttributeNS() without specifying a prefix would incorrectly create 60 a default namespace, placing the element inside the namespace instead of 61 the attribute. This bug is now fixed. 62 . createAttributeNS() would previously incorrectly throw a NAMESPACE_ERR 63 when the prefix was already used for a different uri. It now correctly 64 chooses a different prefix when there's a prefix name conflict. 65 . New methods and properties were added to some DOM classes. If you inherit 66 from these and you happen to have a method or property with the same name, 67 you might encounter errors if the declaration is incompatible. 68 Consult sections 2. New Features and 6. New Functions for a list of 69 newly implemented methods and properties. 70 71- FFI: 72 . C functions that have a return type of void now return null instead of 73 returning the following object object(FFI\CData:void) { } 74 75- Opcache: 76 . The opcache.consistency_checks INI directive was removed. This feature was 77 broken with the tracing JIT, as well as with inheritance cache, and has 78 been disabled without a way to enable it since PHP 8.1.18 and PHP 8.2.5. 79 Both the tracing JIT and inheritance cache may modify shm after the script 80 has been persisted by invalidating its checksum. The attempted fix skipped 81 over the modifiable pointers but was rejected due to complexity. For this 82 reason, it was decided to remove the feature instead. 83 84- Phar: 85 . The type of Phar class constants are now declared. 86 87- Standard: 88 . The range() function has had various changes: 89 * A TypeError is now thrown when passing objects, resources, or arrays 90 as the boundary inputs 91 * A more descriptive ValueError is thrown when passing 0 for $step 92 * A ValueError is now thrown when using a negative $step for increasing ranges 93 * If $step is a float that can be interpreted as an int, it is now done so 94 * A ValueError is now thrown if any argument is infinity or NAN 95 * An E_WARNING is now emitted if $start or $end is the empty string. 96 The value continues to be cast to the value 0. 97 * An E_WARNING is now emitted if $start or $end has more than one byte, 98 only if it is a non-numeric string. 99 * An E_WARNING is now emitted if $start or $end is cast to an integer 100 because the other boundary input is a number. (e.g. range(5, 'z');) 101 * An E_WARNING is now emitted if $step is a float when trying to generate 102 a range of characters, except if both boundary inputs are numeric strings 103 (e.g. range('5', '9', 0.5); does not produce a warning) 104 * range() now produce a list of characters if one of the boundary inputs is 105 a string digit instead of casting the other input to int 106 (e.g. range('5', 'z');) 107 . The file() flags error check now catches all invalid flags. Notably 108 FILE_APPEND was previously silently accepted. 109 110- SNMP: 111 . The type of SNMP class constants are now declared. 112 113======================================== 1142. New Features 115======================================== 116 117- Core 118 . Anonymous classes may now be marked as readonly. 119 . Readonly properties can now be reinitialized during cloning. 120 RFC: https://wiki.php.net/rfc/readonly_amendments 121 . Class, interface, trait, and enum constants now support type 122 declarations. RFC: https://wiki.php.net/rfc/typed_class_constants 123 . Closures created from magic methods can now accept named arguments. 124 . The final modifier may now be used when using a method from a trait. 125 . Added the #[\Override] attribute to check that a method exists 126 in a parent class or implemented interface. 127 RFC: https://wiki.php.net/rfc/marking_overriden_methods 128 . Class constants can now be accessed dynamically using the C::{$name} 129 syntax. 130 RFC: https://wiki.php.net/rfc/dynamic_class_constant_fetch 131 . Static variable initializers can now contain arbitrary expressions. 132 RFC: https://wiki.php.net/rfc/arbitrary_static_variable_initializers 133 134- CLI 135 . It is now possible to lint multiple files. 136 137- DOM 138 . Added properties DOMElement::className and DOMElement::id. 139 These are not binary-safe at the moment because of underlying limitations of 140 libxml2. This means that the property values will be cut off at a NUL byte. 141 . Added properties DOMNode::isConnected and DOMNameSpaceNode::isConnected. 142 . Added properties DOMNode::parentElement and DOMNameSpaceNode::parentElement. 143 144- FFI 145 . It is now possible to assign CData to other CData. This means you can 146 now assign CData to structs and fields. 147 148- Opcache 149 . opcache_get_status()['scripts'][n]['revalidate'] now contains a Unix 150 timestamp of when the next revalidation of the scripts timestamp is due, 151 dictated by the opcache.revalidate_freq INI directive. 152 153- Posix 154 . posix_getrlimit() now takes an optional $res parameter to allow fetching a 155 single resource limit. 156 . posix_isatty() now raises type warnings for integers following the usual 157 ZPP semantics. 158 . posix_ttyname() now raises type warnings for integers following the usual 159 ZPP semantics and value warnings for invalid file descriptor integers. 160 161- Streams 162 . Streams can now emit the STREAM_NOTIFY_COMPLETED notification. This was 163 previously not implemented. 164 165======================================== 1663. Changes in SAPI modules 167======================================== 168 169- $_SERVER['SERVER_SOFTWARE'] value from the built-in CLI server changed to 170 make it compliant with RFC3875. 171 172======================================== 1734. Deprecated Functionality 174======================================== 175 176- Core 177 . Using the ++ operator on empty, non-numeric, or non-alphanumeric strings 178 is now deprecated. Moreover, incrementing non-numeric strings is soft 179 deprecated and the new str_increment() function should be used instead. 180 RFC: https://wiki.php.net/rfc/saner-inc-dec-operators 181 . Using the -- operator on empty or non-numeric strings is now deprecated. 182 RFC: https://wiki.php.net/rfc/saner-inc-dec-operators 183 . Calling get_class() and get_parent_class() without arguments is now 184 deprecated. 185 186- DBA 187 . Calling dba_fetch() with $dba as the 3rd argument is now deprecated. 188 189- FFI 190 . Calling FFI::cast(), FFI::new(), and FFI::type() statically is now 191 deprecated. 192 193- Intl 194 . The U_MULTIPLE_DECIMAL_SEP*E*RATORS constant had been deprecated, using 195 the U_MULTIPLE_DECIMAL_SEP*A*RATORS instead is recommended. 196 . The NumberFormatter::TYPE_CURRENCY has been deprecated. 197 198- LDAP 199 . Calling ldap_connect() with separate hostname and port is deprecated. 200 RFC: https://wiki.php.net/rfc/deprecations_php_8_3#deprecate_calling_ldap_connect_with_2_parameters 201 202- MBString 203 . Passing a negative $width to mb_strimwidth() is now deprecated. 204 205- Phar 206 . Calling Phar::setStub() with a resource and a length is now deprecated. 207 Such calls should be replaced by: 208 $phar->setStub(stream_get_contents($resource)); 209 210- Random 211 . The MT_RAND_PHP Mt19937 variant is deprecated. 212 RFC: https://wiki.php.net/rfc/deprecations_php_8_3#mt_rand_php 213 214- Standard: 215 . The assert_options() function is now deprecated. 216 . The ASSERT_ACTIVE, ASSERT_BAIL, ASSERT_CALLBACK, ASSERT_EXCEPTION, and 217 ASSERT_WARNING constants have been deprecated. 218 RFC: https://wiki.php.net/rfc/assert-string-eval-cleanup 219 220- SQLite3 221 . Using exceptions is now preferred, warnings will be removed in the future. 222 Calling SQLite3::enableExceptions(false) will trigger a depreciation 223 warning in this version. 224 225- Zip: 226 . The ZipArchive::FL_RECOMPRESS constant is deprecated and will be removed 227 in a future version of libzip 228 229======================================== 2305. Changed Functions 231======================================== 232 233- Core: 234 . gc_status() has added the following 8 fields: 235 "running" => bool 236 "protected" => bool 237 "full" => bool 238 "buffer_size" => int 239 "application_time" => float: Total application time, in seconds (including 240 collector_time) 241 "collector_time" => float: Time spent collecting cycles, in seconds 242 (including destructor_time and free_time) 243 "destructor_time" => float: Time spent executing destructors during 244 cycle collection, in seconds 245 "free_time" => float: Time spent freeing values during cycle collection, in 246 seconds 247 See GH-9336, GH-11523 248 . class_alias() now supports creating an alias of an internal class. 249 . Setting `open_basedir` at runtime using `ini_set('open_basedir', ...);` no 250 longer accepts paths containing the parent directory (`..`). Previously, 251 only paths starting with `..` were disallowed. This could easily be 252 circumvented by prepending `./` to the path. 253 . User exception handlers now catch exceptions during shutdown. 254 . The resultant HTML of highlight_string and highlight_file has changed. 255 Whitespace between outer HTML tags is removed. Newlines and spaces 256 are no longer converted to HTML entities. The whole HTML is now wrapped in 257 <pre> tag. The outer <span> has been merged with <code>. 258 259- Calendar 260 . easter_date() now supports years from 1970 to 2,000,000,000 on 64-bit 261 systems, previously it only supported years in the range from 1970 to 2037. 262 263- Curl: 264 . curl_getinfo() now supports two new constants: CURLINFO_CAPATH and 265 CURLINFO_CAINFO. If option is null, the following two additional keys are 266 present: "capath" and "cainfo". 267 268- Dom: 269 . Changed DOMCharacterData::appendData() tentative return type to true. 270 . DOMDocument::loadHTML(), DOMDocument::loadHTMLFile(), 271 DOMDocument::loadXML() and DOMDocument::loadXMLFile() now have a tentative 272 return type of bool. Previously, this was documented as having a return 273 type of DOMDocument|bool, but DOMDocument cannot be returned since PHP 8.0 274 as it is no longer statically callable. 275 276- Gd: 277 . Changed imagerotate signature, removed the `ignore_transparent` argument 278 as it was not used internally anyway from PHP 7.x. 279 280- Intl: 281 . datefmt_set_timezone (and its alias IntlDateformatter::setTimeZone) 282 now returns true on success, previously null was returned. 283 . IntlBreakiterator::setText() now returns false on failure, previously 284 null was returned. 285 now returns true on success, previously null was returned. 286 . IntlChar::enumCharNames is now returning a boolean. 287 Previously it returned null on success and false on failure. 288 . IntlDateFormatter::construct throws an U_ILLEGAL_ARGUMENT_ERROR 289 exception when an invalid locale had been set. 290 291- MBString: 292 . mb_strtolower, mb_strtotitle, and mb_convert_case implement conditional 293 casing rules for the Greek letter sigma. For mb_convert_case, conditional 294 casing only applies to MB_CASE_LOWER and MB_CASE_TITLE modes, not to 295 MB_CASE_LOWER_SIMPLE and MB_CASE_TITLE_SIMPLE. 296 . mb_decode_mimeheader interprets underscores in QPrint-encoded MIME 297 encoded words as required by RFC 2047; they are converted to spaces. 298 Underscores must be encoded as "=5F" in such MIME encoded words. 299 . In rare cases, mb_encode_mimeheader will transfer-encode its input 300 string where it would pass it through as raw ASCII in PHP 8.2. 301 . mb_encode_mimeheader no longer drops NUL (zero) bytes when 302 QPrint-encoding the input string. This previously caused strings in 303 certain text encodings, especially UTF-16 and UTF-32, to be 304 corrupted by mb_encode_mimeheader. 305 . mb_detect_encoding's "non-strict" mode now behaves as described in the 306 documentation. Previously, it would return false if the same byte 307 (for example, the first byte) of the input string was invalid in all 308 candidate encodings. More generally, it would eliminate candidate 309 encodings from consideration when an invalid byte was seen, and if the 310 same input byte eliminated all remaining encodings still under 311 consideration, it would return false. On the other hand, if all candidate 312 encodings but one were eliminated from consideration, it would return the 313 last remaining one without regard for how many encoding errors might be 314 encountered later in the string. This is different from the behavior 315 described in the documentation, which says: "If strict is set to false, 316 the closest matching encoding will be returned." 317 318- mysqli: 319 . mysqli_fetch_object now raises a ValueError instead of an Exception when 320 the constructor_args argument is non empty with the class not having 321 constructor. 322 . mysqli_poll now raises a ValueError when the read nor error arguments are 323 passed. 324 . mysqli_field_seek and mysqli_result::field_seek now specify return type 325 as true instead of bool. 326 327- ODBC 328 . odbc_autocommit() now accepts null for the $enable parameter. 329 Passing null has the same behaviour as passing only 1 parameter, 330 namely indicating if the autocommit feature is enabled or not. 331 332- PGSQL: 333 . pg_fetch_object now raises a ValueError instead of an Exception when the 334 constructor_args argument is non empty with the class not having 335 constructor. 336 . pg_insert now raises a ValueError instead of a WARNING when the table 337 specified is invalid. 338 . pg_insert and pg_convert raises a ValueError or a TypeError instead of a 339 WARNING when the value/type of a field does not match properly with a 340 PostGreSQL's type. 341 . The $row param of pg_fetch_result(), pg_field_prtlen() and 342 pg_field_is_null() is now nullable. 343 344- Random: 345 . Changed mt_srand() and srand() to not check the number of arguments to 346 determine whether a random seed should be used. Passing null will generate 347 a random seed, 0 will use zero as the seed. The functions are now 348 consistent with Mt19937::__construct(). 349 350- Reflection: 351 . Return type of ReflectionClass::getStaticProperties() is no longer nullable. 352 . Calling ReflectionProperty::setValue() with only one parameter is deprecated. 353 To set static properties, pass null as the first parameter. 354 355- Standard: 356 . E_NOTICEs emitted by unserialize() have been promoted to E_WARNING. 357 RFC: https://wiki.php.net/rfc/improve_unserialize_error_handling 358 . unserialize() now emits a new E_WARNING if the input contains unconsumed 359 bytes. 360 RFC: https://wiki.php.net/rfc/unserialize_warn_on_trailing_data 361 . array_pad() is now only limited by the maximum number of elements an array 362 can have. Before, it was only possible to add at most 1048576 elements at a 363 time. 364 . strtok() raises a warning in the case token is not provided when starting 365 tokenization. 366 . password_hash() will now chain the underlying Random\RandomException 367 as the ValueError’s $previous Exception when salt generation fails. 368 . proc_open() $command array must now have at least one non empty element. 369 . proc_open() returns false if $command array is invalid command instead of 370 resource object that produces warning later. This was already the case for 371 Windows but it is now also the case if posix_spawn implementation is in use 372 (most Linux, BSD and MacOS platforms). There are still some old platforms 373 where this behavior is not changed as posix_spawn is not supported there. 374 . array_sum() and array_product() now warn when values in the array cannot 375 be converted to int/float. Previously arrays and objects where ignored 376 whilst every other value was cast to int. Moreover, objects that define 377 a numeric cast (e.g. GMP) are now casted instead of ignored. 378 RFC: https://wiki.php.net/rfc/saner-array-sum-product 379 . number_format() $decimal parameter handles rounding to negative places. It 380 means that when $decimals is negative, $num is rounded to $decimals 381 significant digits before the decimal point. Previously negative $decimals 382 got silently ignored and the number got rounded to zero decimal places. 383 . The $before_needle argument added to strrchr() which works in the same way 384 like its counterpart in strstr() or stristr(). 385 . str_getcsv() and fgetcsv() return empty string instead of a string with 386 a single zero byte for the last field which contains only unterminated 387 enclosure. 388 389======================================== 3906. New Functions 391======================================== 392 393- Date: 394 . Added DatePeriod::createFromISO8601String() as a replacement for the 395 overloaded constructor of DatePeriod. 396 397- DOM: 398 . Added DOMNode::contains(). 399 . Added DOMElement::getAttributeNames(). 400 . Added DOMNode::getRootNode(). The $options argument does nothing at the 401 moment because it only influences the shadow DOM, which we do not support 402 yet. 403 . Added DOMParentNode::replaceChildren(). 404 . Added DOMNode::isEqualNode(). 405 . Added DOMElement::insertAdjacentElement() and 406 DOMElement::insertAdjacentText(). 407 . Added DOMElement::toggleAttribute(). 408 409- Intl: 410 . Added IntlCalendar::setDate() and IntlCalendar::setDateTime() 411 as partial replacements for the overloaded IntlCalendar::set() method. 412 . Added IntlGregorianCalendar::createFromDate() and 413 IntlGregorianCalendar::createFromDateTime() 414 as partial replacements for the overloaded IntlGregorianCalendar 415 constructor. 416 417- JSON: 418 . Added json_validate(), which returns whether the json is valid for 419 the given $depth and $options. 420 RFC: https://wiki.php.net/rfc/json_validate 421 422- LDAP: 423 . Added ldap_connect_wallet(). 424 . Added ldap_exop_sync(). 425 426- MBString: 427 . Added mb_str_pad(), which is the mbstring equivalent of str_pad(). 428 RFC: https://wiki.php.net/rfc/mb_str_pad 429 430- Posix: 431 . Added posix_sysconf call to get runtime informations. 432 . Added posix_pathconf call to get configuration value from a directory/file. 433 . Added posix_fpathconf call to get configuration value from a file 434 descriptor. 435 . Added posix_eaccess call to check the effective user id's permission for 436 a path. 437 438- PGSQL: 439 . Added pg_set_error_context_visibility to set the visibility of the context 440 in error messages (with libpq >= 9.6). 441 442- Random: 443 . Added Randomizer::getBytesFromString(). 444 RFC: https://wiki.php.net/rfc/randomizer_additions 445 . Added Randomizer::nextFloat(), ::getFloat(), and IntervalBoundary. 446 RFC: https://wiki.php.net/rfc/randomizer_additions 447 448- Reflection: 449 . Added ReflectionMethod::createFromMethodName(). 450 451- Sockets: 452 . Added socket_atmark to checks if the socket is OOB marked. 453 454- Standard: 455 . Added the str_increment() and str_decrement() functions. 456 RFC: https://wiki.php.net/rfc/saner-inc-dec-operators 457 . Added stream_context_set_options() as a replacement for 458 stream_context_set_option() when passed an array of options. 459 460- Zip: 461 . Added ZipArchive::setArchiveFlag and ZipArchive::getArchiveFlag methods. 462 463======================================== 4647. New Classes and Interfaces 465======================================== 466 467======================================== 4688. Removed Extensions and SAPIs 469======================================== 470 471======================================== 4729. Other Changes to Extensions 473======================================== 474 475- Core: 476 . WeakMaps now have ephemeron-like behavior: Entries whose key maps to itself 477 (possibly transitively) may be removed during cycle collection if the key 478 is not reachable except by iterating over the WeakMap (reachability via 479 iteration is considered weak). Previously, such entries would never be 480 automatically removed. (See GH-10932.) 481 . The ++ and -- operators now emit warnings when attempting to increment 482 values of type bool as this will change in the next major version. 483 A warning is emitted when trying to decrement values of type null, as 484 this will change in the next major version. 485 Internal objects that implement an _IS_NUMBER cast but not a do_operator 486 handler that overrides addition and subtraction now can be incremented 487 and decrement as if one would do $o += 1 or $o -= 1 488 489- DOM: 490 . The DOM lifetime mechanism has been reworked such that implicitly removed 491 nodes can still be fetched. Previously this resulted in an exception. 492 493- SQLite3 494 . The SQLite3 class now throws \SQLite3Exception (extends \Exception) instead 495 of \Exception. 496 . The SQLite error code is now passed in the exception error code instead of 497 being included in the error message. 498 499======================================== 50010. New Global Constants 501======================================== 502 503- Curl: 504 . CURLINFO_CAPATH 505 . CURLINFO_CAINFO 506 . CURLOPT_MIME_OPTIONS 507 . CURLMIMEOPT_FORMESCAPE 508 . CURLOPT_WS_OPTIONS 509 . CURLWS_RAW_MODE 510 . CURLOPT_SSH_HOSTKEYFUNCTION 511 . CURLOPT_PROTOCOLS_STR 512 . CURLOPT_REDIR_PROTOCOLS_STR 513 . CURLOPT_CA_CACHE_TIMEOUT 514 . CURLOPT_QUICK_EXIT 515 . CURLKHMATCH_OK 516 . CURLKHMATCH_MISMATCH 517 . CURLKHMATCH_MISSING 518 . CURLKHMATCH_LAST 519 520- Intl: 521 . MIXED_NUMBERS (Spoofchecker). 522 . HIDDEN_OVERLAY (Spoofchecker). 523 524- OpenSSL: 525 . OPENSSL_CMS_OLDMIMETYPE 526 . PKCS7_NOOLDMIMETYPE 527 528- PCNTL: 529 . SIGINFO 530 531- PDO_ODBC 532 . PDO_ODBC_TYPE 533 534- PGSQL: 535 . PGSQL_TRACE_SUPPRESS_TIMESTAMPS 536 . PGSQL_TRACE_REGRESS_MODE 537 . PGSQL_ERRORS_SQLSTATE 538 . PGSQL_SHOW_CONTEXT_NEVER 539 . PGSQL_SHOW_CONTEXT_ERRORS 540 . PGSQL_SHOW_CONTEXT_ALWAYS 541 542- Posix: 543 . POSIX_SC_ARG_MAX 544 . POSIX_SC_PAGESIZE 545 . POSIX_SC_NPROCESSORS_CONF 546 . POSIX_SC_NPROCESSORS_ONLN 547 . POSIX_PC_LINK_MAX 548 . POSIX_PC_MAX_CANON 549 . POSIX_PC_MAX_INPUT 550 . POSIX_PC_NAME_MAX 551 . POSIX_PC_PATH_MAX 552 . POSIX_PC_PIPE_BUF 553 . POSIX_PC_CHOWN_RESTRICTED 554 . POSIX_PC_NO_TRUNC 555 . POSIX_PC_ALLOC_SIZE_MIN 556 . POSIX_PC_SYMLINK_MAX 557 558- Sockets: 559 . SO_ATTACH_REUSEPORT_CBPF (Linux only). 560 . SO_DETACH_BPF (Linux only). 561 . SO_DETACH_FILTER (Linux only). 562 . TCP_QUICKACK (Linux only). 563 . IP_DONTFRAG (FreeBSD only). 564 . IP_MTU_DISCOVER (Linux only). 565 . IP_PMTUDISC_DO (Linux only). 566 . IP_PMTUDISC_DONT (Linux only). 567 . IP_PMTUDISC_WANT (Linux only). 568 . IP_PMTUDISC_PROBE (Linux only). 569 . IP_PMTUDISC_INTERFACE (Linux only). 570 . IP_PMTUDISC_OMIT (Linux only). 571 . AF_DIVERT (FreeBSD only). 572 . SOL_UDPLITE. 573 . UDPLITE_RECV_CSCOV. 574 . UDPLITE_SEND_CSCOV. 575 . SO_RERROR (NetBSD only). 576 . SO_ZEROIZE (OpenBSD only). 577 . SO_SPLICE (OpenBSD only). 578 . TCP_REPAIR (Linux only). 579 . SO_REUSEPORT_LB (FreeBSD only). 580 . IP_BIND_ADDRESS_NO_PORT (Linux only). 581 582- Zip: 583 . ZipArchive::ER_DATA_LENGTH (libzip >= 1.10) 584 . ZipArchive::ER_NOT_ALLOWED (libzip >= 1.10) 585 . ZipArchive::AFL_RDONLY (libzip >= 1.10) 586 . ZipArchive::AFL_IS_TORRENTZIP (libzip >= 1.10) 587 . ZipArchive::AFL_WANT_TORRENTZIP (libzip >= 1.10) 588 . ZipArchive::AFL_CREATE_OR_KEEP_FILE_FOR_EMPTY_ARCHIVE (libzip >= 1.10) 589 . ZipArchive::FL_OPEN_FILE_NOW 590 . ZipArchive::LENGTH_TO_END as default value for addFile and replaceFile 591 . ZipArchive::LENGTH_UNCHECKED (libzip >= 1.10.1) 592 593======================================== 59411. Changes to INI File Handling 595======================================== 596 597- assert.* 598 . The assert.* INI settings have been deprecated. 599 This comprises the following INI settings: 600 - assert.active 601 - assert.bail 602 - assert.callback 603 - assert.exception 604 - assert.warning 605 If the value of the setting is equal to the default value, no deprecation 606 notice is emitted. 607 The zend.assertions INI setting should be used instead. 608 609- zend.max_allowed_stack_size 610 . New INI directive to set the maximum allowed stack size. Possible 611 values are `0` (detect the process or thread maximum stack size), `-1` 612 (no limit), or a positive number of bytes. The default is `0`. When it 613 is not possible to detect the the process or thread maximum stack size, 614 a known system default is used. Setting this value too high has the same 615 effect as disabling the stack size limit. Fibers use fiber.stack_size 616 as maximum allowed stack size. An Error is thrown when the process call 617 stack exceeds `zend.max_allowed_stack_size-zend.reserved_stack_size` 618 bytes, to prevent stack-overflow-induced segmentation faults, with 619 the goal of making debugging easier. The stack size increases during 620 uncontrolled recursions involving internal functions or the magic methods 621 __toString, __clone, __sleep, __destruct. This is not related to stack 622 buffer overflows, and is not a security feature. 623 624- zend.reserved_stack_size 625 . New INI directive to set the reserved stack size, in bytes. This is 626 subtracted from the max allowed stack size, as a buffer, when checking the 627 stack size. 628 629======================================== 63012. Windows Support 631======================================== 632 633- Minimum supported Windows version has been bumped to Windows 8 or 634 Windows Server 2012 635 636======================================== 63713. Other Changes 638======================================== 639 640- Core: 641 . An Error is now thrown when the process call stack exceeds a certain size, 642 to prevent stack-overflow-induced segmentation faults, with the goal of 643 making debugging easier. The maximum allowed stack size is controlled 644 by the INI directives zend.max_allowed_stack_size, 645 zend.reserved_stack_size and fiber.stack_size. 646 647- FFI: 648 . FFI::load() is now allowed during preloading when opcache.preload_user is 649 the current system user. Previously, calling FFI::load() was not possible 650 during preloading if the opcache.preload_user directive was set. 651 652- FPM: 653 . FPM CLI test now fails if the socket path is longer than supported by OS. 654 655- Opcache: 656 . In the cli and phpdbg SAPIs, preloading does not require the 657 opcache.preload_user directive to be set anymore when running as root. In 658 other SAPIs, this directive is required when running as root because 659 preloading is done before the SAPI switches to an unprivileged user. 660 661- Streams: 662 . Blocking fread() on socket connection returns immediately if there are 663 any buffered data instead of waiting for more data. 664 . Memory stream no longer fails if seek offset is past the end. Instead 665 the memory is increase on the next write and date between the old end and 666 offset is filled with zero bytes in the same way how it works for files. 667 . stat() access operations like file_exists() and similar will now use real 668 path instead of the actual stream path. This is consistent with stream 669 opening. 670 671======================================== 67214. Performance Improvements 673======================================== 674 675- DOM: 676 . Looping over a DOMNodeList now uses caching. Therefore requesting items no 677 longer takes quadratic time by default. 678 . Getting text content from nodes now avoids an allocation, resulting in a 679 performance gain. 680 . DOMChildNode::remove() now runs in O(1) performance. 681 682- Standard: 683 . The file() flags error check is now about 7% faster. 684 685- SPL: 686 . RecursiveDirectoryIterator now performs less I/O when looping over a 687 directory. 688
