Migrating from PHP 4 to PHP 5.0.x
PHP Manual

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 separate 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 server
  • 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.