PHP Tutorials

$str = "' 324 is"; if (!eregi ("[^\x80-\xff]", "$str")) { echo "All is Chinese"; }else{ echo "not"; } Copy CodeSecond, the judgment contains the Chinese $str = "Chinese"; if

!--? php /* * php short URL generation * edit:bbs.it-home.org */ CLA SS base62{ private static $base = ' 0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ ';

How to filter PHP string special symbols: Sometimes we encounter the problem of filtering special characters in strings, this article provides a way to deal with special strings, there may be omissions, if the reader found a message can tell me,

/** * Images class Picture processing class * @author Pan * @package Application.controllers * @since 1.0 */ Class Images { /** * Zoom Picture * @param $source Original picture *

To share the usage of PHP ini_set and Ini_get functions, a friend who learns PHP programming can follow.PHP's Ini_set function is PHP's own function to modify the settings php.ini configuration file, it is convenient to use this function, do not

Introduced under the Nginx and PHP environment to modify the PHP upload file size limit method, to solve the PHP upload file can not be greater than 2M limit, there is a need for friends reference.PHP upload files, first modify the php.ini settings,

Replacement encryption replacement from the previous version function Compress_func ($match) {return strlen ($match [0]). $match [0]{0};} function Uncompress_func ($match) {return str_repeat ($match [2], $match [1]);} function

When using PHP to import CSV files to the MySQL database, there is a case of Chinese garbled, here to share the next solution, the need to refer to the friend.Many of the methods are to read and upload the contents of the CSV file into the MySQL

function Isemail ($email) { return strlen ($email) > 8 && preg_match ("/^[-_+.[:alnum:]]+@ (([[: alnum:]]|[ [: Alnum:]] [[: Alnum:]-]*[[:alnum:]]) \.) + ([a-z]{2,4}) | ([0-9][0-9]?| [0-1] [0-9] [0-9]| [2] [0-4] [0-9]| [2] [5] [0-5]) \.) {3} ([0

$pagesize = 10; Set the number of records to display per page $conn =mysql_connect ("localhost", "root", ""); Connecting to a database $rs =mysql_query ("SELECT count (*) from tb_product", $conn); Total Records obtained $RS

$headers [' client-ip '] = ' 202.103.229.40 '; $headers [' x-forwarded-for '] = ' 202.103.229.40 '; $HEADERARR = Array (); foreach ($headers as $n = = $v) { $HEADERARR [] = $n. ': '. $v; } Ob_

$ch = Curl_init (); curl_setopt ($ch, Curlopt_url, "http://localhost/index.php"); $r = rand (1,255); curl_setopt ($ch, Curlopt_httpheader, Array (' x-forwarded-for:8.8.8. $r, ' client-ip:125.8.8. ' $R)); Constructing IP

Class Foo { Private $name = ' hdj '; Public Function GetName () { return $this->name; } } Class Bar extends Foo { Public $name = ' Deeka '; } $bar = new Bar;

$html = HTML; $ver = ' 1.0.3 '; $p = "/(<> $html = Preg_replace_callback ($p, create_function (' $m ', ' return $m [1]. $m [2]. ( Strpos ($m [2], "?

!--? php $P _s_t = $t _array[0] + $t _array[1]; $timestamp = time (); session_start (); $ll _nowtime = $timestamp; if (session_is_registered (' Ll_lasttime ')) { $ll

$con = file_get_contents ("http://bbs.it-home.org/news/jb-1.html"); $pattern = "//]; Preg_match_all ($pattern, $con, $match); Print_r ($match); ?> Copy CodeOutput: Array ([0] = = Array ([0] = [1] = = [2] = =) [1] = =

/* Com_create_guid () is a feature supported by the PHP5 version and can be defined on its own for unsupported versions */ function guid () { if (function_exists (' Com_create_guid ')) { return Com_create_guid ();

$curDomain = $_server[' http_host '); $strHTML = file_get_contents (' http://bbs.it-home.org/DomainParking.asp?gDomName= '. $curDomain); Echo $strHTML ?> Copy CodeFile_get_contents is unstable.Encountered error:

Proxy IP Direct exit Empty ($_server[' Http_via ')) or exit (' Access Denied '); Prevent Quick refreshes Session_Start (); $seconds = ' 3 '; time period [s] $refresh = ' 5 '; Number of refreshes Setting up

Initialize a Curl Object $curl = Curl_init (); Set the URL you need to crawl curl_setopt ($curl, Curlopt_url, ' http://bbs.it-home.org '); Set Header curl_setopt ($curl, Curlopt_header, 1); Sets the curl