PHP Tutorials

A relatively basic PHP programmer interview Questions, test the comparative basis, but there are many details of things, if the foundation is not strong, it is difficult to pass. If you need a friend, refer to it.1. In PHP, the name of the current

function Gbsubstr ($string, $start, $length) { if (strlen ($string) > $length) { $str =null; $len = $start + $length; for ($i = $start; $i if (Ord (substr ($string, $i, 1)) >0xa0) { $str. =substr ($string, $

Session_Start (); $dir = ' cookie.txt '; $file = fopen ($dir, ' R '); $content = fgets ($file); Fclose ($file); if (Empty ($_session[' viewer '])) { $content + +; $newopen = fopen ($dir, ' w '); Fwrite

$m =$_get[' m ']; $user =$_get[' user ']; $pass =$_get[' pass '; $include ($m. " Do/php "); $sql = "SELECT count (*) as B from user where Username= '". $user. "' and password= ' ". $pass." '; $r =mysql_query ($sql);

mysql_query ("BEGIN"); mysql_query ("INSERT into CustomerInfo (name) VALUES (' $name 1 ')"; mysql_query ("Select * from ' OrderInfo ' where customerid=". $id "); mysql_query ("COMMIT"); Copy Code5), lock table,

/** * PHP file programming to write files * Edit bbs.it-home.org */ Write a file $file _path= "Text.txt"; if (!file_exists ($file _path)) { echo "file does not exist"; Exit (); } "

Generate HTML $countfile = "template.html"; $num =file_get_contents ($countfile); Echo $num; $num =str_replace ("|*|*| Page_title|*|*| "," MyHome ", $num); $path = "template.html"; $handle =fopen ($path, "w");

$_cookie["Counter"]? ($c =$_cookie["Counter"]+1):($c =1); Setcookie ("Counter", $c, Time () +60); echo " Welcome to your first". "". $c. " Second access cookie"; by bbs.it-home.org ?> Copy CodeHere is a code

PHP scripts can continue to execute even if the client disconnects (such as turning off the browser). Ignore_user_abort (); Execution time is unlimited, php default execution time is 30 seconds, through Set_time_limit (0) can allow the

Zlib.output_compression = Off ; zlib.output_compression_level = 1 Copy CodeModified to: Zlib.output_compression = On Zlib.output_compression_level = 6 Copy Codewherein, Zlib.output_compression_level = 6

Header ("Content-type:application/vnd.ms-excel"); Header ("Content-disposition:attachment;filename=export_data.xls"); echo "Name". " \ t "; echo "Complex". " \ t "; echo "blog". " \ t "; echo "\ n"; echo

output_buffering = Off Copy Code3,php.ini for ; Output_handler = Ob_gzhandler Zlib.output_compression = Off ; zlib.output_compression_level = 1 Copy Code4,apache added as

This article introduces, is said to be cool news of the PHP Programmer interview questions, here to find the Notes section, share, for your reference. Featured: PHP Face questions and Answers1, there are three PHP files in the same directory, the

$arr 1 = Array ( ' 0 ' = = Array (' FID ' = 1, ' tid ' = 1, ' name ' = ' Name1 '), ' 1 ' = = Array (' FID ' = 1, ' tid ' = 2, ' name ' = ' Name2 '), ' 2 ' = = Array (' FID ' = 1, ' tid ' = 5, ' name ' = ' Name3 '), ' 3 ' =

This article introduces, PHP open Error_log log method, have the need for friends, refer to it.In PHP programming, for some access to the PHP page without obvious error hints, you can use Error_log to make further judgments. But for a variety of

setcookie (' v1[name] ', ' hey '); Setcookie (' v2[age] ', ' "); unserialize (($_cookie["name"]);//actually set up two COOKIE variables. copy code 2,cookie The time it takes to log the login status. if

Prevent constants from repeating definitions, borrowing from Yii Defined (' Yii_debug ') or define (' Yii_debug ', true); Defined (' Yii_trace_level ') or define (' Yii_trace_level ', 3); Edit bbs.it-home.org ?> Copy

/** * Image magnification and zoom * @resizeimage * @param $srcfile source file size * @param $mySize the dimensions to convert * Edit bbs.it-home.org * at 2013/6/7 */ function Resizeimage ($srcfile, $mySize) {

User name: Password Copy Code2. PHP Code for validation Session_Start (); $_session["user"]=$_post[user]; $_session["password"]=$_post[pwd];

CREATE DATABASE ' Session '; Copy CodeTo create a table structure: CREATE TABLE ' session ' (ID char (+) not NULL, ' user ' char (+), data char (+), parmiry by (' id ')); Copy CodeSave the session file