bin2hex

Example of a php symmetric encryption algorithm. The php symmetric encryption algorithm KEY is a previously defined constant copy code. the code is as follows: Mcrypt: encrypt (); Mcrypt: decrypt (); the copy code is as follows: defined (ROOT)

Are you lucky to be random in PHP? This article analyzes the issues related to generating random numbers for encryption. PHP 5 does not provide a simple mechanism to generate strong random numbers in cryptography, but PHP 7 solves this problem by

How to install the Mhash Extension Library in PHP. Summary: The version 0.8.3 Mhash extension library supports 12 mixed encoding algorithms. check the header file mhash of Mhashv.0.8.3 carefully. h. you can see that it supports the following mixed

$limit = Array (//gb2312 pinyin sort Array (45217,45252),//a Array (45253,45760),//b Array (45761,46317),//c Array (46318,46825),//d Array (46826,47009),//e Array (47010,47296),//f Array (47297,47613),//g

In Javascript, you can use the escapeunescape () and eval_r () functions for simple transcoding to make normal URLs look weird, make those annoying search crawlers unable to identify the resources you want to hide. In Javascript, you can use the

This article mainly introduces PHP implementation of the simple AES encryption and decryption algorithm, combined with specific examples of PHP based on Mcrypt_encrypt, Bin2Hex, Mcrypt_decrypt and other methods of string encryption and decryption of

Php implementation of the escape and unescape functions in javascript Escape function /** * Js escape php implementation * @ Param $ string the sting want to be escaped * @ Param $ in_encoding * @ Param $

Php obtains the first character of a Chinese character string. $ Str = "this is a test procedure 1 "; Echo getFirstCharCode ($ str ); Function getFirstCharCode ($ str ){ $ Str = iconv ("UTF-8",

Php retrieves the first letter of a Chinese string When you encounter a Chinese character string sorting problem, you need to obtain the first letter of the Chinese character. The program can obtain the first letter of any character

XML file space character problem XML file I transferred the above xml Information to mysql, and found that some values with the space key in the

Randomness in PHP-do you feel lucky? This article analyzes the issues related to generating random numbers for encryption. PHP 5 does not provide a simple mechanism to generate strong random numbers in cryptography, but PHP 7 solves this problem by

'; echo $username_php; echo ''; echo strlen($username_php); echo ''; echo bin2hex($username_php); echo '';?> The code JS end of the self-outputsha1_latin:>6gjº>%qxpâlðø//This segment is a string generated by SHA1 ("ABC")Latin.len:20

Define (' _sp_ ', Chr (0xFF). Chr (0xFE)); Define (' UCS2 ', ' ucs-2be '); What is the purpose of these 2 constants definitions? _SP_ is defined as Chr (0xFF). chr (0xFE) What do you mean, I can not find in the ASCII table FF,FE these 2

Addslashes: String joins a slash. Bin2Hex: binary turns into 16 decimal. Chop: Remove continuous whitespace. CHR: The character that returns the ordinal value. Chunk_split: Divides the string into small segments. Convert_cyr_string: Converts an old

Blowfish encryption is implemented using PHP and C ++, but the results are different... first, the MD5 experiment has the same results, but the Blowfish experiment cannot be successful. the following code is called: PHPcode & lt ;? Php $

Import 503-9256962-4382268 Failure-1 You have a error in your SQL syntax; Check the manual that corresponds to your MySQL server version for the right syntax to use near ' 054-246-0787 ', ' JPS0001 ', ' 0243-BK ', ' iphone 4 with arm? (black) ', ' 1

? Php/*** convert ASCII to hexadecimal and hexadecimal to ASCII * non-profit organizations or individuals may feel free to reprint them, for commercial purposes, please obtain the author's consent ** // Convert ASCII to hexadecimal functionasc2hex ($

In Javascript, you can use the escapeunescape () and eval_r () functions for simple transcoding, so that common URL URLs look weird and that annoying search crawlers cannot recognize you. In Javascript, you can use the escape/unescape () and eval_r (

CTRL + A View answers1. What is a function that converts a string of ASCII characters to a hexadecimal value? Answer: Bin2Hex ($string), e.g. Bin2Hex (' ab ') = 6162What are the functions of the 2.ASCII code-to-character, representable ASCII code?

People who have used phpMyAdmin know that in phpMyAdmin, the file config. inc. php saves the user name and password. You must modify the config. inc. PHP files, and then upload them again, which is especially inconvenient. Even more, if the root