Changed functions

PHP Core

• getopt has an optional third parameter that exposes the index of the next element in the argument vector list to be processed. This is done via a by-ref parameter.

• getenv no longer requires its parameter. If the parameter is omitted, then the current environment variables will be returned as an associative array.

• get_headers now has an additional parameter to enable for the passing of custom stream contexts.

• output_reset_rewrite_vars no longer resets session URL rewrite variables.

• parse_url is now more restrictive and supports RFC3986.

• unpack now accepts an optional third parameter to specify the offset to begin unpacking from.

File System

• file_get_contents now accepts a negative seek offset if the stream is seekable.

• tempnam now emits a notice when falling back to the system's temp directory.

JSON

• json_encode now accepts a new option, JSON_UNESCAPED_LINE_TERMINATORS, to disable the escaping of U+2028 and U+2029 characters when JSON_UNESCAPED_UNICODE is supplied.

Multibyte String

• mb_ereg now rejects illegal byte sequences.

• mb_ereg_replace now rejects illegal byte sequences.

PDO

• PDO::lastInsertId for PostgreSQL will now trigger an error when nextval has not been called for the current session (the postgres connection).

PostgreSQL

• pg_last_notice now accepts an optional parameter to specify an operation. This can be done with one of the following new constants: PGSQL_NOTICE_LAST, PGSQL_NOTICE_ALL, or PGSQL_NOTICE_CLEAR.

• pg_fetch_all now accepts an optional second parameter to specify the result type (similar to the third parameter of pg_fetch_array).

• pg_select now accepts an optional fourth parameter to specify the result type (similar to the third parameter of pg_fetch_array).

Session

• session_start now returns ENTITY and no longer initializes $_SESSION when it failed to start the session.