This function is very useful for filtering complicated array structure.Īlso, Some integer bitmasks and invalid UTF-8 sequence detection are available. The callback function argument of the array_map() can be a public method of a class.Getting Started Introduction A simple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Functions Classes and Objects Namespaces Enumerations Errors Exceptions Fibers Generators Attributes References Explained Predefined Variables Predefined Exceptions Predefined Interfaces and Classes Predefined Attributes Context options and parameters Supported Protocols and Wrappers Security Introduction General considerations Installed as CGI binary Installed as an Apache module Session Security Filesystem Security Database Security Error Reporting User Submitted Data Hiding PHP Keeping Current Features HTTP authentication with PHP Cookies Sessions Dealing with XForms Handling file uploads Using remote files Connection handling Persistent Database Connections Command line usage Garbage Collection DTrace Dynamic Tracing Function Reference Affecting PHP's Behaviour Audio Formats Manipulation Authentication Services Command Line Specific Extensions Compression and Archive Extensions Cryptography Extensions Database Extensions Date and Time Related Extensions File System Related Extensions Human Language and Character Encoding Support Image Processing and Generation Mail Related Extensions Mathematical Extensions Non-Text MIME Output Process Control Extensions Other Basic Extensions Other Services Search Engine Extensions Server Specific Extensions Session Extensions Text Processing Variable and Type Related Extensions Web Services Windows Only Extensions XML Manipulation GUI Extensions Keyboard Shortcuts ? This help j Next menu item k Previous menu item g p Previous man page g n Next man page G Scroll to bottom g g Scroll to top g h Goto homepage g s Goto search ) Code language: PHP ( php ) 2) Using a static method as a callback The following illustrates how to use the array_map() function to get a list of usernames from the the $users array: id = $id The following defines a class that has three properites: $id, $username, and $email and a list of User objects: id = $id 1) Using the PHP array_map() with an array of objects Let’s take some more examples of using the array_map() function. This tutorial focuses on the following form of the array_map() function: array_map ( callable $callback, array $array ) : array Code language: PHP ( php ) PHP array_map() function examples The array_map() function returns a new array whose elements are the result of the callback function. $arrays – is a variable list of array arguments to which the callback function applies.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |