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Changed functions
PHP Core
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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.
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getenv no longer requires its parameter. If the
parameter is omitted, then the current environment variables will be
returned as an associative array.
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get_headers now has an additional parameter to enable
for the passing of custom stream contexts.
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output_reset_rewrite_vars no longer resets session
URL rewrite variables.
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parse_url is now more restrictive and supports
RFC3986.
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unpack now accepts an optional third parameter to
specify the offset to begin unpacking from.
File System
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file_get_contents now accepts a negative seek offset
if the stream is seekable.
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tempnam now emits a notice when falling back to the
system's temp directory.
JSON
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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
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mb_ereg now rejects illegal byte sequences.
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mb_ereg_replace now rejects illegal byte sequences.
PDO
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PDO::lastInsertId for PostgreSQL will now trigger an error
when
nextval has not been called for the current
session (the postgres connection).
PostgreSQL
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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.
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pg_fetch_all now accepts an optional second parameter
to specify the result type (similar to the third parameter of
pg_fetch_array).
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pg_select now accepts an optional fourth parameter to
specify the result type (similar to the third parameter of
pg_fetch_array).
Session
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session_start now returns
false and no longer
initializes $_SESSION when it failed to start the
session.
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