PHP

If I have two files a.php,b.php. The statements in the a.php file are: The code is as follows Copy Code echo "I am a.php";?> Now, I need to display the source code in the file a.php in the b.php file, which is

Sort by single arraySort functions in ascending orderBool sort (array & $ array [, int $ sort_flags = SORT_REGULAR]) The code is as follows:Copy code $ Fruits = array ("lemon", "orange", "banana", "apple ");Sort ($ fruits );Var_dump ($ fruits );?

The ftp_get () function downloads an object from the FTP server.If the call succeeds, true is returned. If the call fails, false is returned.SyntaxFtp_get (ftp_connection, local, remote, mode, resume)The ftp_connect () function creates a new FTP

The round () function rounds a floating point number.SyntaxFloat round (float val [, int precision])Returns the result of rounding val by the specified precision (number of digits after decimal point. Precision can also be negative or zero (default )

Here is a simple method: The code is as follows:Copy code Result: 16:21:38Time () function: displays the current system time.The time () function returns the Unix timestamp of the current time.SyntaxTime (void) parameter descriptionVoid is

The code is as follows:Copy code $ A ['D'] [] = 1;$ A ['D'] [] = 2;Echo $ str = json_encode (array ($ ));Var_dump (json_decode ($ str )); Conversion code The code is as follows:Copy code Array (1 ){[0] =>Object (stdClass) #1 (1 ){["D"]

The code is as follows:Copy code // Construct a string$ Str = "ABCDEFGHIJKLMNOPQRSTUVWXYZ ";Echo "original string: ". $ str. " ";// Intercept in various ways$ Str1 = substr ($ str, 5 );Echo "starts from 5th characters to the end:". $ str1. " ";$

In the php Tutorial, arrays are powerful data types. They can do a lot of things and store different data types in an array. Below we list the common operations of arrays, sort and sort the array by key name./* Common functions of arrays ** Array

/* Function definition:* 1. The function is named* 2. Independent code segments* 3. The Function executes a specific task.* 4. You can return a value to the program that calls it. ** Advantages of functions:* 1. Improve program reusability* 2.

Php Tutorial method_exists check whether the class contains functionsThe syntax of the method_exists () function is as follows: bool method_exists (object, string method_name)The method_exists () function is used to check whether the methods of the

Function ssubstr ($ string, $ length, $ dot = '...'){Global $ charset;If (strlen ($ string) Return $ string;  }$ String = str_replace (array ('& amp;', '& quot;', '& lt;', '& gt;'), array ('&', '"', ''), $ string );$ Strcut = '';If (strtolower ($

Mktime = mktime ($ hours, minute, seconds, month, day, years)$ Start_time = mktime (,); // start time$ End_time = mktime (,); // end time$ Times = $ end_time-$ start_time ;//How many seconds is the difference between start and end? 6$ Now_time = $

Function do_call ($ host, $ port, $ request) // defines the function{$ Fp = fsockopen ($ host, $ port, $ errno, $ errstr );$ Query = "post/default/php Tutorial/server. php http/1.0nuser _ agent: this is a dummy clientnhost :".$ Host. "ncontent-type:

$ Ip = "127.0.0.1"; // define an ip address$ Long = ip2long ($ ip); // Convert the ip address to an integer.If ($ long =-1 | $ long = false) // if the execution is incorrect{Echo 'invalid ip, please try again '; // output error message}Else{Echo $

*/$ Result = closelog (); // disable system logs.If ($ result){Echo "system log disabled"; // output result}//Define_syslog_variables (); // clear all system logsEcho "system log cleared"; // output result//Define_syslog_variables (); // clear all

*/$ Hostname = gethostbyaddr ($ _ server ['remote _ addr ']); // Obtain the host nameEcho $ hostname; // output result//$ Hosts = gethostbynamel ('localhost'); // obtain the IP address listPrint_r ($ hosts); // output array//$ Protocol = 'tcp '; //

Function prototype: resource stream_context_create ([array $ options [, array $ params])View instances// Define the options array$ Opts = array('Http' => array  ('Method' => "get ",'Header' => "accept-language: enrn". "cookie: foo = barrn"  ));//

$ Temp [0] = "abc ";$ Temp [1] = 123;$ Temp [2] = "us .";$ Temp [3] = 5;$ Temp [4] = 58;$ Temp [5] = "cs ";// The code above defines an array with both numbers and stringsEcho "the contents of the array temp are :";Echo " ";// Output array content

$ File = "test.txt"; // definition fileEcho fileowner ($ file); // get the file owner/*The fileowner () function returns the object owner.If yes, all user IDs of the file are returned. If it fails, false is returned. The user id is returned in