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>附录 B. Migrating from PHP 5.1.x to PHP 5.2.x</TD
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><H1
CLASS="section"
><A
NAME="migration52.functions"
>New Functions</A
></H1
><P
> PHP 5.2.x introduced some new functions:
</P
><P
>PHP Core:</P
><P
></P
><UL
><LI
><P
> <A
HREF="function.array-fill-keys.html"
><B
CLASS="function"
>array_fill_keys()</B
></A
>
- Create an array using the elements of the first parameter as keys,
each initialized to val
</P
></LI
><LI
><P
> <A
HREF="function.error-get-last.html"
><B
CLASS="function"
>error_get_last()</B
></A
>
- Get the last occurred error as associative array. Returns <TT
CLASS="constant"
><B
>NULL</B
></TT
>
if there hasn't been an error yet
</P
></LI
><LI
><P
> <A
HREF="function.image-type-to-extension.html"
><B
CLASS="function"
>image_type_to_extension()</B
></A
>
- Get file extension for image-type returned by getimagesize,
exif_read_data, exif_thumbnail, exif_imagetype
</P
></LI
><LI
><P
> <A
HREF="function.memory-get-peak-usage.html"
><B
CLASS="function"
>memory_get_peak_usage()</B
></A
>
- Returns the peak allocated by PHP memory
</P
></LI
><LI
><P
> <A
HREF="function.timezone-abbreviations-list.html"
><B
CLASS="function"
>timezone_abbreviations_list()</B
></A
>
- Returns associative array containing DST, offset and the timezone name
</P
></LI
><LI
><P
> <A
HREF="function.timezone-identifiers-list.html"
><B
CLASS="function"
>timezone_identifiers_list()</B
></A
>
- Returns numerically indexed array with all timezone identifiers
</P
></LI
><LI
><P
> <A
HREF="function.timezone-name-from-abbr.html"
><B
CLASS="function"
>timezone_name_from_abbr()</B
></A
>
- Returns the timezone name from abbreviation
</P
></LI
><LI
><P
> <A
HREF="function.stream-socket-shutdown.html"
><B
CLASS="function"
>stream_socket_shutdown()</B
></A
>
- Causes all or part of a full-duplex connection on the socket
associated with stream to be shut down. As of PHP 5.2.1.
</P
></LI
></UL
><P
><A
HREF="ref.mbstring.html"
>mbstring</A
>:</P
><P
></P
><UL
><LI
><P
> <A
HREF="function.mb-list-encodings-alias-names.html"
><B
CLASS="function"
>mb_list_encodings_alias_names()</B
></A
>
- Returns an array of all supported entity encodings
</P
></LI
><LI
><P
> <A
HREF="function.mb-list-mime-names.html"
><B
CLASS="function"
>mb_list_mime_names()</B
></A
>
- Returns an array or string of all supported mime names
</P
></LI
><LI
><P
> <A
HREF="function.mb-stripos.html"
><B
CLASS="function"
>mb_stripos()</B
></A
>
- Finds position of first occurrence of a string within another,
case insensitive
</P
></LI
><LI
><P
> <A
HREF="function.mb-stristr.html"
><B
CLASS="function"
>mb_stristr()</B
></A
>
- Finds first occurrence of a string within another, case insensitive
</P
></LI
><LI
><P
> <A
HREF="function.mb-strrchr.html"
><B
CLASS="function"
>mb_strrchr()</B
></A
>
- Finds the last occurrence of a character in a string within another
</P
></LI
><LI
><P
> <A
HREF="function.mb-strrichr.html"
><B
CLASS="function"
>mb_strrichr()</B
></A
>
- Finds the last occurrence of a character in a string within another,
case insensitive
</P
></LI
><LI
><P
> <A
HREF="function.mb-strripos.html"
><B
CLASS="function"
>mb_strripos()</B
></A
>
- Finds position of last occurrence of a string within another,
case insensitive
</P
></LI
><LI
><P
> <A
HREF="function.mb-strstr.html"
><B
CLASS="function"
>mb_strstr()</B
></A
>
- Finds first occurrence of a string within another
</P
></LI
></UL
><P
><A
HREF="ref.ming.html"
>ming</A
> (As of PHP 5.2.1):</P
><P
></P
><UL
><LI
><P
> void ming_setSWFCompression(int num)
- Sets output compression
</P
></LI
><LI
><P
> void swfmovie::namedanchor(string name)
- Creates anchor
</P
></LI
><LI
><P
> void swfmovie::protect([string pasword])
- Protects
</P
></LI
></UL
><P
><A
HREF="ref.openssl.html"
>openssl</A
>:</P
><P
></P
><UL
><LI
><P
> <A
HREF="function.openssl-csr-get-public-key.html"
><B
CLASS="function"
>openssl_csr_get_public_key()</B
></A
>
- Extracts public key from a CERT and prepares it for use
</P
></LI
><LI
><P
> <A
HREF="function.openssl-csr-get-subject.html"
><B
CLASS="function"
>openssl_csr_get_subject()</B
></A
>
- Returns the subject of a CERT
</P
></LI
><LI
><P
> <A
HREF="function.openssl-pkey-get-details.html"
><B
CLASS="function"
>openssl_pkey_get_details()</B
></A
>
- Returns an array with the key details (bits, pkey, type)
</P
></LI
></UL
><P
><A
HREF="ref.spl.html"
>spl</A
>:</P
><P
></P
><UL
><LI
><P
> <A
HREF="function.spl-object-hash.html"
><B
CLASS="function"
>spl_object_hash()</B
></A
>
- Return hash id for given object
</P
></LI
><LI
><P
> int iterator_apply(Traversable it, mixed function [, mixed params])
- Calls a function for every element in an iterator
</P
></LI
></UL
><P
><A
HREF="ref.pcre.html"
>pcre</A
>:</P
><P
></P
><UL
><LI
><P
> <A
HREF="function.preg-last-error.html"
><B
CLASS="function"
>preg_last_error()</B
></A
>
- Returns the error code of the last regex execution
</P
></LI
></UL
><P
><A
HREF="ref.pgsql.html"
>pgsql</A
>:</P
><P
></P
><UL
><LI
><P
> <A
HREF="function.pg-field-table.html"
><B
CLASS="function"
>pg_field_table()</B
></A
>
- Returns the name of the table field belongs to, or table's oid
if oid_only is true
</P
></LI
></UL
><P
><A
HREF="ref.posix.html"
>posix</A
>:</P
><P
></P
><UL
><LI
><P
> bool posix_initgroups(string name, int base_group_id)
- Calculate the group access list for the user specified in name
</P
></LI
></UL
><P
><A
HREF="ref.gmp.html"
>gmp</A
>:</P
><P
></P
><UL
><LI
><P
> <A
HREF="function.gmp-nextprime.html"
><B
CLASS="function"
>gmp_nextprime()</B
></A
>
- Finds next prime of a
</P
></LI
></UL
><P
><A
HREF="ref.xmlwriter.html"
>xmlwriter</A
>:</P
><P
></P
><UL
><LI
><P
> <A
HREF="function.xmlwriter-full-end-element.html"
><B
CLASS="function"
>xmlwriter_full_end_element()</B
></A
>
- End current element - returns FALSE on error
</P
></LI
><LI
><P
> <A
HREF="function.xmlwriter-write-raw.html"
><B
CLASS="function"
>xmlwriter_write_raw()</B
></A
>
- Write text - returns FALSE on error
</P
></LI
><LI
><P
> <A
HREF="function.xmlwriter-start-dtd-entity.html"
><B
CLASS="function"
>xmlwriter_start_dtd_entity()</B
></A
>
- Create start DTD Entity - returns FALSE on error
</P
></LI
><LI
><P
> <A
HREF="function.xmlwriter-end-dtd-entity.html"
><B
CLASS="function"
>xmlwriter_end_dtd_entity()</B
></A
>
- End current DTD Entity - returns FALSE on error
</P
></LI
><LI
><P
> <A
HREF="function.xmlwriter-write-dtd-entity.html"
><B
CLASS="function"
>xmlwriter_write_dtd_entity()</B
></A
>
- Write full DTD Entity tag - returns FALSE on error
</P
></LI
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