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# New Functions

In PHP 5 there are some new functions. Here is the list of them:

Arrays:

- array_combine() - Creates an array by using one array for keys and another for its values

- array_diff_uassoc() - Computes the difference of arrays with additional index check which is performed by a user supplied callback function

- array_udiff() - Computes the difference of arrays by using a callback function for data comparison

- array_udiff_assoc() - Computes the difference of arrays with additional index check. The data is compared by using a callback function

- array_udiff_uassoc() - Computes the difference of arrays with additional index check. The data is compared by using a callback function. The index check is done by a callback function also

- array_walk_recursive() - Apply a user function recursively to every member of an array

- array_uintersect_assoc() - Computes the intersection of arrays with additional index check. The data is compared by using a callback function

- array_uintersect_uassoc() - Computes the intersection of arrays with additional index check. Both the data and the indexes are compared by using a callback functions

- array_uintersect() - Computes the intersection of arrays. The data is compared by using a callback function

InterBase:

- ibase_affected_rows() - Return the number of rows that were affected by the previous query

- ibase_backup() - Initiates a backup task in the service manager and returns immediately

- ibase_commit_ret() - Commit a transaction without closing it

- ibase_db_info() - Request statistics about a database

- ibase_drop_db() - Drops a database

- ibase_errcode() - Return an error code

- ibase_free_event_handler() - Cancels a registered event handler

- ibase_gen_id() - Increments the named generator and returns its new value

- ibase_maintain_db() - Execute a maintenance command on the database server

- ibase_name_result() - Assigns a name to a result set

- ibase_num_params() - Return the number of parameters in a prepared query

- ibase_param_info() - Return information about a parameter in a prepared query

- ibase_restore() - Initiates a restore task in the service manager and returns immediately

- ibase_rollback_ret() - Rollback transaction and retain the transaction context

- ibase_server_info() - Request statistics about a database

- ibase_service_attach() - Connect to the service manager

- ibase_service_detach() - Disconnect from the service manager

- ibase_set_event_handler() - Register a callback function to be called when events are posted

- ibase_wait_event() - Wait for an event to be posted by the database

iconv:

- iconv_mime_decode() - Decodes a MIME header field

- iconv_mime_decode_headers() - Decodes multiple MIME header fields at once

- iconv_mime_encode() - Composes a MIME header field

- iconv_strlen() - Returns the character count of string

- iconv_strpos() - Finds position of first occurrence of a needle within a haystack

- iconv_strrpos() - Finds the last occurrence of a needle within a haystack

- iconv_substr() - Cut out part of a string

Streams:

- stream_copy_to_stream() - Copies data from one stream to another

- stream_get_line() - Gets line from stream resource up to a given delimiter

- stream_socket_accept() - Accept a connection on a socket created by stream_socket_server()

- stream_socket_client() - Open Internet or Unix domain socket connection

- stream_socket_get_name() - Retrieve the name of the local or remote sockets

- stream_socket_recvfrom() - Receives data from a socket, connected or not

- stream_socket_sendto() - Sends a message to a socket, whether it is connected or not

- stream_socket_server() - Create an Internet or Unix domain server socket

Date and time related:

- idate() - Format a local time/date as integer

- date_sunset() - Time of sunset for a given day and location

- date_sunrise() - Time of sunrise for a given day and location

- time_nanosleep() - Delay for a number of seconds and nanoseconds

Strings:

- str_split() - Convert a string to an array

- strpbrk() - Search a string for any of a set of characters

- substr_compare() - Binary safe optionally case insensitive comparison of two strings from an offset, up to length characters

Other:

- convert_uudecode() - decode a uuencoded string

- convert_uuencode() - uuencode a string

- curl_copy_handle() - Copy a cURL handle along with all of its preferences

- dba_key_split() - Splits a key in string representation into array representation

- dbase_get_header_info() - Get the header info of a dBase database

- dbx_fetch_row() - Fetches rows from a query-result that had the DBX_RESULT_UNBUFFERED flag set

- fbsql_set_password() - Change the password for a given user

- file_put_contents() - Write a string to a file

- ftp_alloc() - Allocates space for a file to be uploaded

- get_declared_interfaces() - Returns an array of all declared interfaces

- get_headers() - Fetches all the headers sent by the server in response to a HTTP request

- headers_list() - Returns a list of response headers sent (or ready to send)

- http_build_query() - Generate URL-encoded query string

- image_type_to_extension() - Get file extension for image-type returned by getimagesize(), exif_read_data(), exif_thumbnail(), exif_imagetype()

- imagefilter() - Applies a filter to an image using custom arguments

- imap_getacl() - Gets the ACL for a given mailbox

- ldap_sasl_bind() - Bind to LDAP directory using SASL

- mb_list_encodings() - Returns an array of all supported encodings

- pcntl_getpriority() - Get the priority of any process

- pcntl_wait() - Waits on or returns the status of a forked child as defined by the waitpid() system call

- pg_version() - Returns an array with client, protocol and server version (when available)

- php_check_syntax() - Check the syntax of the specified file

- php_strip_whitespace() - Return source with stripped comments and whitespace

- proc_nice() - Change the priority of the current process

- pspell_config_data_dir() - Change location of language data files

- pspell_config_dict_dir() - Change location of the main word list

- setrawcookie() - Send a cookie without URL-encoding the value

- scandir() - List files and directories inside the specified path

- snmp_read_mib() - Reads and parses a MIB file into the active MIB tree

- sqlite_fetch_column_types() - Return an array of column types from a particular table

> Note: The Tidy extension has also changed its API completely.

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