PHP5 General Functions List Overview _php Tutorial

The Usleep () function delays code execution for several microseconds.

The unpack () function unpack the data from a binary string.

The Uniqid () function generates a unique ID based on the current time in microseconds.

The Time_sleep_until () function delays code execution until the specified time.

The Time_nanosleep () function of the PHP5 common function delays code execution for several seconds and nanoseconds.

The sleep () function delays code execution for several seconds.

The Show_source () function highlights the file syntax.

The Strip_whitespace () function returns the source code file for the deleted PHP comments and whitespace characters.

The pack () function loads the data into a binary string.

The Ignore_user_abort () function sets the execution of the script to terminate if the client disconnects.

The highlight_string () function highlights the syntax of a string.

The Highlight_file () function highlights the file syntax.

The Get_browser () function of the PHP5 common function returns the performance of the user's browser.

The exit () function outputs a message and exits the current script.

The eval () function calculates the string according to the PHP code.

The die () function outputs a message and exits the current script.

The defined () function checks to see if a constant exists.

The Define () function defines a constant.

The constant () function returns the value of a constant.

The Connection_status () function of the PHP5 common function returns the current connection state.

The connection_aborted () function checks to see if the client is disconnected.

The Zip_read () function reads the next file in the Open zip archive.

The Zip_open () function opens a ZIP file for reading.

The Zip_entry_read () function obtains content from an open zip archive project.

The Zip_entry_open () function opens a ZIP archive entry for reading.

The Zip_entry_name () function of the PHP5 common function returns the name of the ZIP archive item.

The Zip_entry_filesize () function returns the original size of the ZIP archive item (before compression).

The Zip_entry_compressionmethod () function returns the compression method of the ZIP archive item.

The Zip_entry_compressedsize () function returns the compressed file size of a ZIP archive item.

The Zip_entry_close () function closes the zip archive file opened by the Zip_entry_open () function.

The Zip_close () function closes the zip archive file opened by the Zip_open () function.

The Xml_set_unparsed_entity_decl_handler () function specifies the function that is called when an unresolved entity name (NDATA) declaration is encountered.

The Xml_set_processing_instruction_handler () function specifies the function that is called when the parser finds processing instructions in an XML document.

The Xml_set_object () function allows an XML parser to be used in an object.

The Xml_set_notation_decl_handler () function of the PHP5 common function specifies the function that is called when the parser finds the symbolic declaration in the XML document.

The Xml_set_external_entity_ref_handler () function specifies the function that is called when the parser finds an external entity in the XML document.

The Xml_set_element_handler () function establishes the starting and terminating element processors.

The Xml_set_default_handler () function establishes the default data processor for the XML parser.

The Xml_set_character_data_handler () function establishes a character data processor.

The Xml_parser_set_option () function sets the option for the XML parser.

The Xml_parser_get_option () function obtains the option setting information from the XML parser.

The Xml_parser_free () function frees the XML parser.

PHP5 the Xml_parser_create () function of the common function to create an XML parser.

The Xml_parser_create_ns () function creates an XML parser with namespace support.

The Xml_parse_into_struct () function parses the XML data into an array.

The Xml_parse () function parses the XML document.

The Xml_get_error_code () function gets the XML parser error code.

The Xml_get_current_line_number () function gets the current line number of the XML parser.

The Xml_get_current_column_number () function Gets the current column number of the XML parser.

The Xml_get_current_byte_index () function of the PHP5 common function gets the current byte index of the XML parser.

The xml_error_string () function Gets the error description of the XML parser.

The Utf8_encode () function encodes the iso-8859-1 string as UTF-8.

The Utf8_decode () function decodes the UTF-8 string to iso-8859-1.

The WordWrap () function handles string wrapping at a specified length.

The vsprintf () function writes a formatted string to a variable.

The vprintf () function outputs a formatted string.

The vfprintf () function writes a formatted string to the specified output stream.

The Ucwords () function of the PHP5 common function converts the first character of each word in a string to uppercase.

The Ucfirst () function converts the first character in a string to uppercase.

The trim () function removes white-space characters and other predefined characters from both ends of the string.

The Substr_replace () function replaces part of a string with another string.

The Substr_count () function calculates the number of occurrences of a substring in a string.

The Substr_compare () function compares two strings from a specified start length.

The substr () function returns a portion of a string.

The STRTR () function converts a specific character in a string.

The Strtoupper () function converts a string to uppercase.

The Strtolower () function converts a string to lowercase.

The Strtok () function of the PHP5 common function divides a string into smaller strings.

The Strstr () function searches for the first occurrence of a string in another string.

The STRSPN () function returns the number of specific characters contained in the string.

The Strrpos () function finds the position of the last occurrence of a string in another string.

The Strripos () function finds the position of the last occurrence of a string in another string.

The Strrev () function reverses the string.

The STRRCHR () function finds the last occurrence of a string in another string and returns all characters from that position to the end of the string.

The Strpos () function returns the position of the first occurrence of a string in another string.

The STRPBRK () function of the PHP5 common function searches the string for any one of the specified characters.

The strncmp () function compares two strings.

The strncasecmp () function compares two strings.

The strnatcmp () function uses a "natural" algorithm to compare two of strings.

The strnatcasecmp () function uses a "natural" algorithm to compare two of strings.

The strlen () function returns the length of the string.

The Stristr () function finds the position of the first occurrence of a string in another string.

The Stripos () function returns the position of the first occurrence of a string in another string.

The Stripslashes () function deletes a backslash added by the addslashes () function.

The Stripcslashes () function deletes a backslash added by the addcslashes () function.

The Strip_tags () function strips HTML, XML, and PHP tags.

The STRCSPN () function returns the number of characters to look up in a string before any of the specified characters are found.

The Strcoll () function of the PHP5 common function compares two strings.

The strcmp () function compares two strings.

The STRCHR () function searches for the first occurrence of a string in another string.

The strcasecmp () function compares two strings.

The Str_word_count () function calculates the number of words in a string.

The Str_split () function splits a string into an array.

The Str_shuffle () function randomly scrambles all characters in a string.

The str_rot13 () function performs ROT13 encoding on the string.

The Str_replace () function replaces some other characters in a string with a string.

The Str_repeat () function repeats a string for a specified number of times.

The Str_pad () function fills a string with the specified length.

The Str_ireplace () function replaces some other characters in a string with a string.

The sscanf () function of the PHP5 common function parses input from a string according to the specified format.

The sprintf () function writes a formatted string to a variable.

The SOUNDEX () function computes the Soundex key for the string.

The Similar_text () function calculates the number of matching characters for two strings.

The Sha1_file () function computes the SHA-1 hash of the file.

The SHA1 () function computes the SHA-1 hash of the string.

The setlocale () function sets the region information (geographic information).

RTrim () P RTrim () function of PHP5 common functions

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