about php

The original is posted on my blog Http://starlight36.com/post/php-type-convert Recently in the interview for the company new, often asked a topic is the PHP type conversion value, for example: Var_dump ((int) true), Var_dump (String) True, Var_dump (

You should know about PHP floating point and PHP floating point PHP is a weak type language, which requires seamless and transparent implicit type conversion. PHP uses zval to store any type of values, the structure of zval is as follows (5.2 is

If your job is related to PHP, you must know five things about PHP 7. 1. This year's schedule has been released. In PHP 7, the RFC vote has been passed, and PHP 7 will be released in October 2015. Despite some delay, we are glad to announce its

Talking about php string reverse interviews, talking about strings 1. single-byte string Inversion Php provides the strrev () function for string inversion () $ Str = 'abcdef'; echo strrev ($ str ); 2. mb_substr () is required for multi-byte

About PHP MD5 16-bit raw binary output and 32-bit string output Because PHP AES is required to encrypt data, consider using PHP MD5 to output 16-bit binary as the key. Google a bit "php MD5 16"? I found a lot of articles that are suggested to be

The confusion about PHP accessing access has plagued the day without solving $sql = "SELECT * from Zhxl_article";$query = Odbc_exec ($connid, $sql);while ($row =odbc_fetch_array ($query)) {Print_r ($row);} So every time you can print out the

Ask the Master to solve a PHP code, about PHP operation Cookie This post was last edited by a13849178851 on 2014-06-20 17:38:17 if (!isset ($_cookie["Build"]))Header ("location:1.php"); After simplification, it's the code that looks like this,

Make a project, think of old things-quotes about PHP projects Say a year, a friend to find hope to do a project, so rough to see, reported a price of 9000 +, at that time thinking is a friend, when help him busy, 1-2 months to complete. Then is the

About PHP, MySQL, binary tree master to help, how to calculate whether a node below a node? This post was last edited by kwdpx on 2013-09-05 16:57:47 Database member Structure: Number ancestor ID Amount ID SH1 jine 1001 999 49 1002 1001 20 1003 1

Ask a question about PHP In a PHP file, the following content is included #!/usr/bin/php My PHP code ?> Question A: What does the phrase "#!/usr/bin/php" mean. Because generally we are in the browser through the HTTP protocol to access. This is

Some questions about PHP in the background of the site management I have been using CMS such as Dede Building station, feel very practical and convenient. But just applied for a company, they said the development site to use their company's website

Ask a question about PHP search For example, I enter the keyword "sincerity" can be "I really have to give you the heart" This sentence to search out, how to use PHP implementation? Please solve the master solution. ------Solution--------------------

About PHP regular matching problem ... For advice [Q] Thank you for your selfless help. () [A] Thank you [B] Thank you very much [C] Thank you very much [D] Thank you [E] ten Thank you [F] hundred Thank you [k]d For the above-mentioned string how

Basics: About PHP Loose comparison Like what: "php" = = True If the loose comparison between the types of inconsistency, is the right and left side of the type is the conversion, and compare? Is "PHP" converted to 0 = = True converted to "true"

About PHP using Curl to simulate login to the educational network The system is used for queries, students can check their scores by replying to the number + password. background: Educational System: The educational system of the square

Questions about PHP sending SMS to phone! Two programs in DEDE to send a text message to inform the user, Send functions such as: function Sendmb ($mobile, $c, $name, $pwd) { $URL = "Http://218.241.153.202:8888/post_sms.do"; $post _data[' corp_id '

A small question about PHP handling XML Recently in the Pondering interface Got a little problem. If there is a variable that reads as follows $test = " 1111

About PHP _set () and _get () It is said on the net that these two functions are used for private variables, is this not a violation of the encapsulation of classes? Why sometimes use $this-> $varName, sometimes such $this->varname is to want not "$"

About php Tutorial processing textarea carriage return replacement method (js call error)In the textarea input box, chr (13) represents the carriage return. However, when I replace it with another character, there is a space in the place where the

Questions about PHP characters and arrays $str = "123456"; Var_dump ($str ["abc"]); Why the result is the first character and not the null and I unset ($str ["ABC"]) and I'm not suggesting that subscript. ------Solution-------------------- String