Php function index tutorial

Source: Internet
Author: User
Tags acos binary to decimal dbase fdf fdf file ftp connection natural logarithm php debugger
Php function index 1. Abs: obtain the absolute value. Acos: returns the arc cosine. Ada_afetch: Gets the returned column of the database. Ada_autocommit: Enables or disables automatic modification. Ada_close: close the AdabasD link. Ada _ Abs: obtain the absolute value. Acos: returns the arc cosine. Ada_afetch: Gets the returned column of the database. Ada_autocommit: Enables or disables automatic modification. Ada_close: close the Adabas D link. Ada_commit: modifies the Adabas D database. Ada_connect: link to the Adabas D database. Ada_exec: executes SQL commands. Ada_fetchrow: returns a column. Ada_fieldname: obtains the field name. Ada_fieldtype: obtains the field data type. Ada_freeresult: Memory for returning data. Ada_numfields: obtains the number of fields. Ada_numrows: gets the number of returned columns. Ada_result: Get the returned information. Ada_resultall: returns HTML table data. Ada_rollback: undo the current transaction. AddSlashes: Adds a slash to the string. Apache_lookup_uri: obtains information about all URIs. Apache_note: obtain and configure the apache server request records. Array: creates a new array. Array_walk: Enables user-defined functions to process every element in the array. Arsort: sorts the array values from large to small. Asin: returns the arc sine. Asort: sorts the array values from small to large. Aspell_check: check a single word. Aspell_check-raw: check for a single word without changing or correcting it even if the spelling is wrong. Aspell_new: load a new dictionary. Aspell_suggest: checks a single word and provides spelling suggestions. Atan: Get the arc tangent value. Atan2: calculate the arc tangent value of the second number. Base64_decode: decodes a BASE64 encoded string. Base64_encode: base64-encoded string. Basename: returns a file string without a path. Base_convert: convert the carry mode of numbers. Bcadd: add two high-precision numbers. Bccomp: compares two high-precision numbers. Bcp: Division of two high-precision numbers. Bcmod: obtain the remainder of a high-precision number. Bcmul: multiply two high-precision numbers. Bcpow: calculate the power of a high-precision number. Bcscale: the default number of decimal places for all BC function libraries in the configuration program. Bcsqrt: calculates the square root of a precise number. Bcsub: subtract two high-precision numbers. Bin2hex: binary to hexadecimal. BinDec: binary to decimal. Ceil: calculates the smallest integer greater than the specified number. Chdir: change the directory. Checkdate: verify that the date is correct. Checkdnsrr: check the DNS records of the specified website. Chgrp: change the group to which the file belongs. Chmod: changes the attributes of a file. Chop: removes consecutive gaps. Chown: change the owner of a file. Chr: returns the character of the ordinal value. Chunk_split: splits a string into segments. Clearstatcache: clears the file status cache. Closedir: close the directory handle. Closelog: Shut down system records. Connection_aborted: Returns true if the link is interrupted. Connection_status: Gets the connection status. Connection_timeout: Returns true if the PHP program execution time is exceeded. Convert_cyr_string: convert the ancient Slavic string to another string. Copy: copy an object. Cos: returns the cosine. Count: calculates the number of elements in a variable or array. Crypt: encrypt the string with DES encoding. Current: returns the current element in the array. Date: format the server time. Dbase_add_record: add data to the dBase table. Dbase_close: close the dBase data table. Dbase_create: Create a dBase data table. Dbase_delete_record: delete the data in the dBase data table. Dbase_get_record: obtain the data in the dBase data table. Dbase_numfields: obtains the number of fields in the dBase data table. Dbase_numrecords: gets the number of columns in The dBase data table. Dbase_open: Open the dBase data table. Dbase_pack: Clear the dBase data table. Dba_close: Closes the database. Dba_delete: delete the specified data. Dba_exists: Check whether the key exists. Dba_fetch: retrieves the specified data. Dba_firstkey: retrieves the first key value. Dba_insert: add data. Dba_nextkey: retrieves the next key value. Dba_open: Open the database link. Dba_optimize: optimized database. Dba_popen: open and maintain the database link. Dba_replace: modifies or adds data. Dba_sync: synchronize databases. Dblist: obtains DBM information. Dbmclose: shut down the DBM database. Dbmdelete: delete specified data. Dbmexists: Check whether the key exists. Dbmfetch: retrieves the specified data. Dbmfirstkey: retrieve the first key name. Dbminsert: add materials. Dbmnextkey: retrieves the next key value. Dbmopen: Open the DBM Database link. Dbmreplace: modifies or adds data. Debugger_off: disable the built-in PHP debugger. Debugger_on: Use the built-in PHP debugger. DecBin: decimal to binary. DecHex: decimal to hexadecimal. DecOct: decimal to octal. Delete: useless project. Die: output information and interrupt the PHP program. Dir: directory category. Dirname: Get the directory name in the path. Diskfreespace: obtain the available space of the Directory. Dl: load the PHP extension module. Doubleval: convert a variable to a double floating point. Each: returns the index and value of the next element in the array. Easter_date: calculate the Easter date. Easter_days: calculates the number of days between Easter and January 1, lunar March 21. Echo: output string. Empty: determines whether the variable is configured. End: points the internal pointer of the array to the final element. Ereg: string comparison parsing. Eregi: Compares and parses strings, and is case-insensitive. Eregi_replace: parses and replaces strings, regardless of case. Ereg_replace: parses and replaces string comparison. Error_log: Sends an error message. Error_reporting: the level of returned error information. Escapeshellcmd: removes special characters from the string. Eval: place the value in the string. Exec: execute an external program. Exit: End the PHP program. Exp: the power of natural logarithm e. Explode: cut string. Extract: imports an array to the symbol table. Fclose: Close opened files. FDF_close: close the FDF file. FDF_create: create a new FDF file. FDF_get_file: Gets the/F key value. FDF_get_status: Gets the value of the/STATUS key. FDF_get_value: obtains the field value. FDF_next_field_name: name of the next field. FDF_open: Open the FDF file. FDF_save: saves the FDF file to a file. FDF_set_ap: configure the display field. FDF_set_file: configure the/F key. FDF_set_status: specifies the configuration/STATUS key. FDF_set_value: the value of the configuration field. Feof: indicates whether the file pointer is at the end of the file. Fgetc: get the character referred to by the file pointer. Fgetcsv: retrieves the row indicated by the file pointer and parses the CSV field. Fgets: Get the row indicated by the object pointer. Fgetss: Gets the row indicated by the file pointer and removes the HTML language mark. File: Read all files into array variables. Fileatime: The last time the file was accessed. Filectime: get the last File change time. Filegroup: the group to which the file belongs. Fileinode: Get the inode value of the file. Filemtime: The last modification time of the file. Fileowner: obtains the object owner. Fileperms: get the file permission configuration. Filepro: Read the FilePro Map file. Filepro_fieldcount: obtains the number of fields. Filepro_fieldname: obtain the field name. Filepro_fieldtype: obtains the field type. Filepro_fieldwidth: obtains the field width. Filepro_retrieve: get the data of the specified bucket. Filepro_rowcount: obtains the number of columns. Filesize: get the file size. Filetype: obtain the file type. File_exists: Check whether the file exists. Flock: lock a file. Floor: calculates the maximum integer smaller than the specified number. Flush: clears the output buffer. Fopen: open a file or URL. Fpassthru: output all the remaining data. Fputs: writes the file pointer. Fread: A bit group to read files. FrenchToJD: converts the French Republican calendar into the daily counter of Caesar. Fseek: move the file pointer. Fsockopen: Open the Socket link of the network. Ftell: get the position of the file read/write pointer. Ftp_cdup: return to the upper directory. Ftp_chdir: change the path. Ftp_connect: Open the FTP Link. Ftp_delete: delete the file. Ftp_fget: download the file, which exists in the opened file. Ftp_fput: upload an opened file. Ftp_get: download an object. Ftp_login: log on to the FTP server. Ftp_mdtm: get the last modification time of the specified file. Ftp_mkdir: create a directory. Ftp_nlist: list all files in the specified directory. Ftp_pasv: switch the active/passive transmission mode. Ftp_put: upload a file. Ftp_pwd: obtain the current path. Ftp_quit: disable the FTP connection. Ftp_rawlist: lists all objects in a specified directory in detail. Ftp_rename: rename the file. Ftp_rmdir: delete the directory. Ftp_size: get the size of the specified file. Ftp_0000ype: displays the server system. Function_exists: Check whether the function is defined. Fwrite: writes data to files in binary places. Getallheaders: Get all HTTP variable values. Getdate: get the time and date information. Getenv: get the system environment variable gethostbyaddr: return the machine name. Gethostbyname: returns the IP address URL. Gethostbynamel: returns all IP addresses of machine names. GetImageSize: get the length and width of the image. Getlastmod: returns the last modification time of the webpage. Getmxrr: obtain the MX field of the DNS record of the specified website. Getmyinode: return the inode value of the webpage. Getmypid: return the PHP travel code. Getmyuid: returns the PHP user code. Getrandmax: maximum value of a random number. Getrusage: returns the system resource usage. Gettimeofday: get the current time. Gettype: get the type of the variable. Get_cmd_var: Get the PHP configuration option value. Get_current_user: get the name of the PHP itinerary owner. Get_magic_quotes_gpc: obtains the value of the PHP environment variable magic_quotes_gpc. Get_magic_quotes_runtime: Gets the value of the PHP environment variable magic_quotes_runtime. Get_meta_tags: extracts all metadata marked by meta from the file. Gmdate: get the current time difference from GMT. Gmmktime: returns the Greenwich mean time of UNIX timestamps. GregorianToJD: converts the Gregorian calendar into the daily counter of Caesar. Gzclose: close the compressed file. Gzeof: determines whether the file is at the end of the compressed file. Gzfile: Read the compressed file to the array. Gzgetc: read the characters in the compressed file. Gzgets: the string in the compressed file. Gzgetss: Read the string in the compressed file and remove the HTML command. Gzopen: Open the compressed file. Gzpassthru: extract all data after the pointer is decompressed. Gzputs: data is written into a compressed file. Gzread: reads a specified length string from a compressed file. Gzrewind: reset the pointer to the compressed file. Gzseek: Set the pointer of the compressed file to a specified position. Gztell: Get the pointer of the compressed file. Gzwrite: write data into a compressed file. Header: sends the HTTP header to the browser HexDec: Hexadecimal to decimal. Htmlentities: converts all characters into HTML strings. Htmlspecialchars: Convert Special characters into HTML format. Hw_Children: obtains the subclass code. Hw_ChildrenObj: obtains the class record of the subclass. Hw_Close: close the Hyperwave connection. Hw_Connect: connect to the Hyperwave server. Hw_Cp: replication class. Hw_Del

Returns the absolute value of a vertex. Acos: returns the arc cosine. Ada_afetch: Gets the returned column of the database. Ada_autocommit: Enables or disables automatic modification. Ada_close: close the Adabas D link. Ada _...

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.