function use

1.array_merge () Merge Example $array = Array (' A ' => ' BB '); $array 2 = Array (' B ' => ' cc '); $array 3 = Array_merge ($array, $array 2); Output is Array ([a] => BB [b] => cc) It's all right because it's all arrays, and if we're

Strlen () function and Mb_strlen () function In PHP, the function strlen () returns the length of the string. The function prototype is as follows: Copy Code code as follows: int strlen (string string_input); Parameter

ANSI c requires that the file be opened with a function fopen and closed to fclose. 1. The calling method is usually: Copy Code code as follows: FILE *FP; Fp=fopen (filename, open mode); 2. Parameter Description: FileName: such

The screenshot method is very simple and we will simply demonstrate it. 1, we open the computer in the first 2345 to open the king, now casually find a picture bar, here is a test of casually open a picture 2, then we move the mouse to the lower

Hello everyone, remember last time I brought you together to achieve a similar with Taobao client with a picture scrolling player effect, but after finishing, I found that I forgot to add the function of the picture auto play (perhaps I

　Reference: http://evely.blog.51cto.com/1089422/1400965　　Regdbgetkeyvalueex function:Installsheild Script Code 123456 STRING Szkey, SzName, Svvalue;Number nvsize;Regdbsetdefaultroot (HKEY_LOCAL_MACHINE);Szkey = "\\SOFTWARE\\

ObjectinstanceofFunction or FunctioninstanceofObject is true or false. One by one, today's JavaScript is no longer a fancy script that was previously used as a toy to run on a webpage. JavaScript has been gradually standardized and is widely used in

The phparray_intersect () function uses code. The arrayarray_intersect (arrayarray1, arrayarray2 [, array...]) array_intersect () function returns an intersection array of two or more arrays. Array_intersect () returns an array, which is array array_

Use the filter function to implement a conditional judgment function. For example, to filter out a sensitive word in a string array, the sample code is as follows: #filter out some unwanted tags def passed (item): Try:return Item! = "Techbrood"

This time for you to bring PHP callback functions and anonymous functions in detail, the use of PHP callback functions and anonymous functions of the attention to what, the following is the actual case, together to see. This paper describes the

Reading: In writing procedures found in the determination of the existence of files, there are two ways to write, some people use the is_file, some people use the file_exists, which is better or more appropriate? Does the file exist in Is_file or

This article mainly introduces the PHP error handling function Register_shutdown_function Use example, the need for friends can refer to the following When the program is running online, if you encounter a bug, want to not output error messages in

Mysql_pconnect is particularly applicable in a single process, in particular the monitoring procedures that have been maintained. Mysql_pconnect usage and mysql_connect are similar: Copy CodeThe code is as follows: $conn = Mysql_pconnect ($host, $

When we write a program, there will inevitably be problems (often problems), and when PHP encounters an error, it gives the location of the error script, the number of rows, and the reason. A lot of people say it's not a big deal. Indeed, during the

function bool Array_multisort (array & $arr [, Mixed $arg = Sort_asc [, Mixed $arg = Sort_regular [, mixed $ ...]) Parameter description: function to sort multiple arrays or multidimensional arrays The first parameter is an array, each subsequent

Copy CodeThe code is as follows: sprintf () function, return value to formatted string String sprintf (String $format [, Mixed $args [, mixed $ ...]) $y = 11; $m = 3; $d = 9; $date = Sprinf ('%04d-%02d-%02d ', $y, $m, $d); Echo $date;

There are times when we are designing a database, such as: There is a Type field in the article table, he stores the article type, there are 1 headlines, 2 recommended, 3 hot, 4 graphics ..... 11,12,13, wait. Now there is an article he is a

Definition and usage The Array_search () function, like In_array (), looks for a key value in the array. If the value is found, the key name of the matching element is returned. Returns False if it is not found. Before PHP 4.2.0, the function

In_array (PHP 4, PHP 5) in_array-checks if a value exists in the array Description Copy CodeThe code is as follows: BOOL In_array (mixed $needle, array $haystack [, BOOL $strict]) Searches for needle in haystack and returns TRUE if found,

Func_get_args is an array that gets the arguments in the method, and returns an array that is used in conjunction with the Func_num_args; Func_get_arg is the parameter that gets the specified offset Func_num_args Number of statistical