php quiz code

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Wrote a PHP random quiz verification Code, security personally think is still good

Wrote a PHP random quiz verification Code, security personally think it is good. wangking717 wrote Security features One: 1. The generated content is not the final result, but a question-and-answer system that requires users to respond to the problem, with a more rigorous safety factor than traditional verification codes. 2. The colors, fonts, and positions o

Wrote a PHP random quiz verification Code, security personally think is still good

Wrote a PHP random quiz verification Code, security personally think it is good. wangking717 wrote Security features One: 1. The generated content is not the final result, but a question-and-answer system that requires users to respond to the problem, with a more rigorous safety factor than traditional verification codes. 2. The colors, fonts, and positions o

NetEase Cloud Community Award-winning quiz Phase II-technical leadership, in-depth distribution, PHP Bible, Linux operations, Unity ... March Hot Books Wait for you to take!

please download the QR Code image, in the identification) can participate in the lottery, March 19 20 o'clock in the evening auto draw. The winning user will receive a notification of the winner automatically sent. Please click here for the bonus instructions.Prizes Book Introduction:Thanks to the technology to provide prizes for this event book!Founded in 1995, we are the first sub-brand of mechanical industry Press (www.hzbook.com) to provide learn

Analysis of Php,mysql Quiz exercises

(c) cA: $attr represents an array, then the length of the array can be obtained by $attr.length with CountThe B:unset () method cannot delete an element inside an arrayThe c:php array can store the characteristics of any type of data weakly typed language.d:php only indexed arrays39. The following statement is incorrect (B)A: The keyword used by fuzzy queries is likeB: Sort query asc is descending, desc is ascending ase is ascending; DESC is descendingC: The keyword used for paging queries is l

PHP Books Recommended Quiz Summary

framework is not specific to PHP, PHP from other places to learn from, learning object-oriented learning design patterns,. NET Framework, learning the Web framework can learn ROR.Author Recommendation: 1, Bible-3 2, PHP official Manual-5 3, well-known framework source code Zend framework,

Complete sample code for a quiz game implemented by javascript and javascript games

Complete sample code for a quiz game implemented by javascript and javascript games This article describes how to use javascript to guess the number of games. We will share this with you for your reference. The details are as follows:

C + + Quiz code

1 /*2 returns the first n bits of the string and the first n bits of the returned integer3 */4 5#include 6 7UnsignedLongLeft (unsignedLongNumintn);8 Char* Left (Char* STR,intn);9 Ten using namespacestd; One A intMain () - { -UnsignedLongnum; the intN; -cout "Please enter an integer:"; -CIN >>num; -cout "Please enter the number of digits to intercept:"; +CIN >>N; -cout "before""bit is"Endl; + A Char* str =New Char( -); atcout "Please enter a string:"; -CIN >>str; -cout "Please enter the

PHP Beginner FAQ Set Revision (21 quiz) _php tutorial

1, how do I connect a string of two strings? A: Connecting two strings in PHP can be used directly with "." Operation symbols, such as $newstr= "Zhang". " San ", which is used in Java with the" + "operation symbol, do not confuse. 2, how to calculate the length of a string? Answer: $STR = "Test"; $length =strlen ($STR), even with the strlen (str) function. 3, how do I split a string by a separator? A: Using the explode (DELIM,STR) function, such as $a

PHP micro-Credit development platform Development Quiz

PHP Development Platform Development Small test and the resulting open platform has recently been a bit of a fire. Always want to make a platform to try, recently had a good idea, want to get it out as soon as possible, fortunately do not need any UI and so on the design, only need to put the logic to show it. In fact, if the public platform only as a platform for publishing information, that is, "edit mode" is actually no need to knock

Php WeChat development platform development quiz

Php development platform development is a small experiment and the resulting open platform has recently become quite popular. I always wanted to try a platform. recently I had a good idea to implement it as soon as possible. Fortunately, I don't need any UI design. I just need to display the logic. In fact, if the public platform is just a platform for publishing information, that is, in the "Editing mode", it does not need to be tested on the

PHP Data Performance Quiz

Today, I saw a colleague writing PHP program suddenly want to test the two types of PHP array definition of performance differences The simple test code is as follows: 1. Use the array keyword 0, ' b ' and ' = 1, ' c ' = 2, ' d ' + 3, ' E ' + 4, ' F ' + 5, ' g ' = 6, ' h ' = 7, ' i ' = 8, ' j ' and 9, ' K ' and 10 , ' l ' +-one, ' m ' = +, ' n ' = +, '

PHP Full Verification Code code PHP generated verification code PHP SMS Verification Code PHP verification code generation

= Imagecolorallocate ($image,Mt_rand(50, 90),Mt_rand(80, 200),Mt_rand(90, 180 ) ); Imageline ($image,Mt_rand(0,$width-1),Mt_rand(0,$height-1),Mt_rand(0,$width-1),Mt_rand(0,$height-1),$color ); } } Header("Content-type:image/gif" ); Imagegif ($image ); Imagedestroy ($image );} Main points: 1, if there is no declaration session_start (); 2, the font can be downloaded in the CMF input fonts to their own defined Fonts folder; 3,$_session [$sess _name ] can be compared by $_post to obtain the

PHP code sharing: Open the multi-process PHP login Interface code PHP code codes PHP Registration page code

Here to share a process of opening the PHP code, not more explanations, are in the comments. The example in this article describes how PHP opens a multi-process approach. Share to everyone for your reference. The implementation method is as follows: Externally connected socket global $ServerSocket, $RemoteSocket, $IP, $Port; $ServerSocket = $ConnectedServerSo

PHP generated cool four character verification code PHP SMS Verification Code software PHP SMS Verification Code platform PHP SMS Verification Code Pass

The example of this article for everyone to share the code of PHP generated verification codes, for your reference, the specific content as follows The above is the whole content of this article, I hope that you learn PHP programming help. The above describes the PHP generated cool four character verification

PHP implementation generated Verification code instance sharing PHP Verification Code video PHP Verification code PHP Verification Code knowledge

image.func.php The above describes the PHP implementation to generate verification code instance sharing, including PHP, verification code aspects of the content, I hope that the PHP tutorial interested in a friend helpful.

PHP-based implementation of the commodity transaction when sending SMS function PHP SMS Verification Code platform PHP SMS Verification Code software PHP SMS Verification Code Pass

[] [' phone ']) {unset ($reg [' demand '] [$key]);} else{$new [] = $value [' Phone '];}} $new = [' = ' = ' ******** '];if (Time ()-strtotime ($rel [] [' Create_time ']) >) {echo "";d ie;} else if (Strtotime ($rel [] [' Finish_time ']) >) {echo "";d ie;} else{$data _demand = [' is_available ' = = ' finish_time ' =Date ("Y-m-d h:i:s")]; $result [' price '] = $this->pricemodel->saveprice ([' id ' =>[' eq ', $id]], [' State ' =>]); $result [' demadn '] = $this->demandmodel->savedemand ([' id ' =>['

Php verification code | php image verification code | phpimage. verifyCode. class. php-PHP source code

0 0: 1: index. php is used to generate a verification code image. 2: form. php front-end page. used to enter and verify the verification code

Php verification code implementation code (3 types), php verification code 3 types _ PHP Tutorial-php Tutorial

Php verification code (3 types) and php verification code (3 types. Php verification code implementation code (3 types), php verification

PHP source code for PHP developers-Part 1-source code structure, developer source code _ PHP Tutorial

[Translation] PHP source code for PHP developers-Part 1-source code structure and developer source code. [Translation] PHP source code for PHP

PHP write generate cool Verification Code yii2 Code Verification Code PHP image PHP Verification code does not display

1 Php2$im=imagecreate (200,100);//Generate Canvas3Imagecolorallocate ($im, 0,0,0);//Background color4$white=imagecolorallocate ($im,Rand(0,255),Rand(0,255),Rand(0,255) );//Generate random colors5 for($i= 0;$i$i++)6{7Imageline ($im,Rand(0,200),Rand(0,100),Rand(0,200),Rand(0,100),$white);//Generate Disturbing line elements8}9 for($i= 0;$i$i++)Ten{ OneImagesetpixel ($im,Rand(0,200),Rand(0,100),$white);//Generate Interference point elements A} - for($i=0,$str='';$i$i++)//get four characters by Loo

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