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Copy CodeThe code is as follows: function Validation_filter_id_card ($id _card) { if (strlen ($id _card) = = 18) { Return Idcard_checksum18 ($id _card); } ElseIf ((strlen ($id _card) = = 15)) { $id _card = idcard_15to18 ($id _card); Return

Let's take a look at the following examples: /* Define data */ ...Char * msg1 = "testtest ";Char * msg2 = "test ";Int Len = 20, T = 1;... 1 -----> If (strlen (msg2)> = strlen (msg1)... // right 2 -----> If (strlen (msg2)-strlen (msg1)> = 0)..

Really bored, whim, want to put the PHP inside part already provide encapsulated function re-use PHP implementation again,So the following code is mainly implemented in PHP part of the string processing function, while the implementation of some

There are three files:The first is: zcyh. php (Registered User Name) current location: homepage registration page Set the User name: ( 3-15 characters ) & Lt; td width = "42%" & gt; User name: & Lt; td width = "58%" & gt; note: a

The code is as follows Copy Code function Imagebmp ($img, $file = "", $rle =0){ $colorcount =imagecolorstotal ($IMG); $transparent =imagecolortransparent ($IMG);$istransparent = $transparent!=-1; if ($istransparent) $colorcount--;

PHP authentication functions. Copy the code as follows :? Php calculates the ID verification code according to national standard GB11643-1999functionidcard_verify_number ($ idcard_base) {if (strlen ($ idcard_base )! 17) {returnf The code is as

? This program is used to parse articles copied by the NPC. Editor: Kong Xiuxiang. Date: 2001410 switch ($ position) {default: session_start (); if (! Isset ($ auth_passed) {echo this function can only be used by authorized users .; Return-1;} if

//--------------------// Basic Data Structure Algorithm//--------------------// Binary search (find an element in the array)Function bin_sch ($ array, $ low, $ high, $ k ){If ($ low $ Mid = intval ($ low + $ high)/2 );If ($ array [$ mid] === k

Basic data structure algorithm .? -------------------- Basic data structure algorithm ------------------ binary search (find an element in the array) functionbin_sch ($ array, $ low, $ high, $ k) {if ($ low $ h //-------------------- // Basic data

//-------------------- Basic Data structure algorithm //-------------------- Binary lookup (Find an element in an array) function Bin_sch ($array, $low, $high, $k) { if ($low $mid = Intval (($low + $high)/2); if ($array [$mid] = = $k) { return $mid;

Really bored, whim, want to put the PHP inside part already provide encapsulated function re-use PHP implementation again, So the following code is mainly implemented in PHP part of the string processing function, while the implementation of some

PHP Tutorial convert BMP format picture to JPG format program function Imagebmp ($img, $file = "", $rle =0){ $colorcount =imagecolorstotal ($IMG); $transparent =imagecolortransparent ($IMG);$istransparent = $transparent!=-1; if ($istransparent)

The user's detailed registration and judgment, read the user's detailed registration and judgment, there are three Files: The first is: zcyh. php (registered user name )? Include (header1.inc. php )? Divalign = centertablewidth = 89% border = 0tr &

? // This program is used to parse articles copied by the NPC. // Editor: Kong Xiuxiang. Date: 2001/4/10 switch ($ position) {default: session_start (); if (! Isset ($ auth_passed) {echo this function can only be used by authorized users .; Return-1;

// Simple decryption function (corresponding to the php_encrypt function) // simple encryption function (corresponding to the php_decrypt function) // simple decoding function (corresponding to the php_encode function) // simple encoding function

Ask a question about string truncation. Which of the following experts can help me read a function if I can't get PHPcode for a long time? & lt ;? Phpfunctionglstrlen ($ str) {$ tmp_arrayexplode (& quot;, & quot;, $ str); if (strlen ($ str) & gt; 30)

//-------------------- //Basic data structure algorithm//-------------------- //Two points lookup (find an element in an array)function Bin_sch ($array, $low, $high, $k) {if ($low $mid = Intval (($low + $high)/2);if ($array [$mid] = = $k) {return

Sort out some of the previously written algorithms and string processing functions. This is just for learning. Author: heiyelurenBlog: http://blog.csdn.net/heiyeshuwuDate: //--------------------// Basic Data Structure Algorithm//--------------------

//--------------------// Basic data structure algorithm//--------------------// Binary search (find an element in the array)Function bin_sch ($ array, $ low, $ high, $ k ){If ($ low $ Mid = intval ($ low + $ high)/2 );If ($ array [$ mid] === k

The code is as follows Copy Code function Str_cut ($string, $length, $dot = ' ... '){$strlen = strlen ($string);if ($strlen $string = str_replace (Array (', ') & ', ', ', ', ', ', ', ', ', ', ', ', ', ', ' ', ', ', ' ... ', Array (',