New Functions

PHP 5.2.x introduced some new functions:

PHP Core:

• array_fill_keys() – Create an array using the
  elements of the first parameter as keys, each initialized to
  val
• error_get_last() – Get the last occurred
  error as associative array. Returns
  NULL if there hasn’t been an error
  yet
• image_type_to_extension() – Get file
  extension for image-type returned by getimagesize(), exif_read_data(), exif_thumbnail(), exif_imagetype()
• memory_get_peak_usage() – Returns the peak
  allocated by PHP memory
• sys_get_temp_dir() – Returns directory path
  used for temporary files. (Added in 5.2.1)
• timezone_abbreviations_list() – Returns
  associative array containing DST, offset and the timezone
  name
• timezone_identifiers_list() – Returns
  numerically indexed array with all timezone identifiers
• timezone_name_from_abbr() – Returns the
  timezone name from abbreviation
• stream_socket_shutdown() – 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.

Image:

• imagegrabscreen() – Grabs a screenshot of the
  whole screen. As of PHP 5.2.2.
• imagegrabwindow() – Captures a window. As of
  PHP 5.2.2.

libXML:

• libxml_disable_entity_loader() –
  Disable the ability to load external entities. As of PHP
  5.2.11.

mbstring:

• mb_stripos() – Finds position of first
  occurrence of a string within another, case insensitive
• mb_stristr() – Finds first occurrence of a
  string within another, case insensitive
• mb_strrchr() – Finds the last occurrence of a
  character in a string within another
• mb_strrichr() – Finds the last occurrence of
  a character in a string within another, case
  insensitive
• mb_strripos() – Finds position of last
  occurrence of a string within another, case insensitive
• mb_strstr() – Finds first occurrence of a
  string within another

ming (As
of PHP 5.2.1):

• void
  ming_setSWFCompression(int num) – Sets output
  compression
• void
  swfmovie::namedanchor(string name) – Creates anchor
• void
  swfmovie::protect([string password]) – Protects

openssl:

• openssl_csr_get_public_key() – Extracts
  public key from a CERT and prepares it for use
• openssl_csr_get_subject() – Returns the
  subject of a CERT
• openssl_pkey_get_details() – Returns an array
  with the key details (bits, pkey, type)

spl:

• spl_object_hash() – Return hash id for given
  object
• int
  iterator_apply(Traversable it, mixed function [, mixed params]) –
  Calls a function for every element in an iterator

pcre:

• preg_last_error() – Returns the error code of
  the last regex execution

pgsql:

• pg_field_table() – Returns the name of the
  table field belongs to, or table’s oid if oid_only is
  TRUE

posix:

• posix_initgroups() – Calculate the group
  access list for the user specified in name

gmp:

• gmp_nextprime() – Finds next prime
  number

xmlwriter:

• xmlwriter_full_end_element() – End
  current element – returns FALSE on
  error
• xmlwriter_write_raw() – Write text – returns
  FALSE on error
• xmlwriter_start_dtd_entity() – Create
  start DTD Entity – returns FALSE on
  error
• xmlwriter_end_dtd_entity() – End current DTD
  Entity – returns FALSE on
  error
• xmlwriter_write_dtd_entity() – Write
  full DTD Entity tag – returns FALSE
  on error