Microsoft Word - Core PHP Programming Using PHP to Build Dynamic Web Sites

Listing 7.6 Using Sessions <? //Start the session. //This must be called before //sending any content. session_start(); //Reg ...

As stated earlier, session identifiers are sent by cookies, but a browser may refuse them. As a backup, you may use the SID con ...

1=>"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December", ...

Part II: FUNCTIONAL REFERENCE The chapters in this section of the book, Chapters 8 through 14 , are a functional reference. They ...

Sending Text to the Browser....................................................................... Output Buffering............. ...

<? echo "First string", 2, 3.4, "last string"; ?> flush() As text is sent to the browser via functions like print and echo ...

You also have the option of placing characters between the % and the type specifier that control how the data is formatted. Imme ...

Therefore, these functions allow you to avoid errors created by sending headers after content. ob_start() The ob_start function ...

These functions manipulate or return information about files. Many of them are wrappers for the commands you execute in a UNIX o ...

{ print("log.txt not changed to editors group"); } ?> boolean chmod(string filename, integer mode) The chmod function sets th ...

if(chmod("data.txt", 0666)) { print("mode change successful"); } else { print("mode change unsuccessful"); } ?> boolean chown ...

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boolean copy(string source, string destination) The copy function copies a file specified by the source argument into the file s ...

// open file for reading $myFile = fopen("data.txt","r"); // make sure the open was successful if(!($myFile)) { print("file coul ...

array fgetcsv(integer file_handle, integer length, string separator) The fgetcsv function is used for reading comma-separated da ...

string fgets(integer file_handle, integer length) ...

The fgets function returns a string it reads from a file specified by the file handle, which must have been created with fopen, ...

The file function returns an entire file as an array. Each line of the file is a separate element of the array, starting at zero ...

<? $LastAccess = fileatime("data.txt"); print("Last access was "); print(date("l F d, Y", $LastAccess)); ?> integer filect ...

print(fileinode(data.txt)); ?> integer filemtime(string filename) The filemtime function returns the last time a file was mod ...