The call_user_method_array() function call a user method given with an array of parameters.Note − The function is deprecated now.Syntaxcall_user_method_array(method, obj, params)Parametersmethod − Method nameobj − Object that method is being called on.params − Array of parametersAlternativeSince the call_user_method_array() deprecated in PHP 4.1.0, and removed in PHP 7.0, therefore use the following as an alternative solution −call_user_func_array(array($obj, $method), $params);

The uksort() function sorts an array by keys using a user-defined function. It returns TRUE on success and FALSE on failure.Syntaxuksort(arr, custom_function)Parametersarr − The specified array.custom_function − The comparison function. It must return an integer less than, equal to, or greater than zero if the first argument is considered to be respectively less than, equal to, or greater than the second.ReturnThe uksort() function returns TRUE on success and FALSE on failure.ExampleThe following is an example − Live DemoOutputKey=a Value=99 Key=b Value=27 Key=c Value=56

The prev() function rewinds the internal array pointer. It outputs the previous element in the array. Syntax prev(arr) Parameters arr − The specified array. Required. Return The pos() function returns the value of the previous element in an array. Example The following is an example − Live Demo Output one two one

The array_pad() function inserts a specified number of items, with a specified value, to an array. It returns array with new elements. If size is positive then the array is padded on the right, if it's negative then the padding is done on the left.Syntaxarray_pad(arr, size, value)Parametersarr − the arraysize − total elements in the resultant arrayvalue − the value to pad and it should be less than the size of arrReturnThe array_pad() function returns array with new elements. If size is positive then the array is padded on the right, if it's negative then the padding is done on ... Read More

The realpath_cache_size() function returns realpath cache size i.e. the amount of memory.Syntaxrealpath_cache_size()ParametersNAReturnThe realpath_cache_size() function returns the amount of memory realpath cache is using.Example Live DemoOutput362

The realpath_cache_get() function returns realpath cache entries. It returns an array of realpath cache entries.Syntaxrealpath_cache_get()ParametersNAReturnThe realpath_cache_get() function returns an array of realpath cache entries.Example Live DemoOutputArray ( [/home] => Array ( [key] => 4353355791257440477 [is_dir] => 1 [realpath] => /home [expires] => 1538630044 ) [/home/cg/root] => Array ( [key] => 1131813419205508649 [is_dir] => 1 [realpath] => /home/cg/root [expires] => 1538630044 ) [/home/cg/root/8944881/main.php] => Array ( [key] => 584844883037958768 [is_dir] => [realpath] => /home/cg/root/8944881/main.php [expires] => 1538630044 ) [/home/cg] => Array ( [key] => 9037225891674879750 [is_dir] => 1 [realpath] => /home/cg [expires] => 1538630044 ) [/home/cg/root/8944881] => Array ( [key] => 722006552431300374 [is_dir] => 1 [realpath] => /home/cg/root/8944881 [expires] => 1538630044 ) )

The parse_ini_string() function parses a configuration string. The function returns the settings as an associative array on success. It returns FALSE on failure.Syntaxparse_ini_string(file_path, process_sections)Parametersfile_path − The ini file to be parsed.process_sections − If set to TRUE, you will get a multidimensional array with section names and settings included.ReturnThe parse_ini_string() function returns the settings as an associative array on success. It returns FALSE on failure.Let’s say the content of our “demo.ini” is −[names] one = Anne [urls] host1 = "https://www.example1.com"ExampleOutputArray ( [one] => Anne [host1] => https://www.example1.com )Read More

The glob() function returns an array of filenames or directories matching a specified pattern. The glob() function returns.An array containing the matched files/directories, Returns an empty array if no file is matched, FALSE on error.Syntaxglob(pattern, flags)Parameterspattern − The pattern to search for.flags − The following are the flags:GLOB_MARK - Adds a slash to each item returnedGLOB_NOSORT - Return files as they appear in the directory (unsorted)GLOB_NOCHECK - Returns the search pattern if no match were foundGLOB_NOESCAPE - Backslashes do not quote metacharactersGLOB_BRACE - Expands {p, q, r} to match 'p', 'q', or 'r'GLOB_ONLYDIR - Return only directories which match the ... Read More

To use Server-Sent Events in a web application, you would need to add an element to the document.The src attribute of the element should point to an URL that should provide a persistent HTTP connection that sends a data stream containing the events.The URL would point to a PHP, PERL or any Python script that would take care of sending event data consistently.ExampleHere is an example showing application that would expect server time.                    /* Define event handling logic here */                                                              

For HTML5 input time, in PHP:Exampleecho date("Y-m-d\TH:i:s");OutputThe output would be:2018-28-03T19:12:49HTML with Timestamp would be: