Remove Chinese from php string

Usage of the following three functions ob_get_contents(); ob_end_clean(); ob_start(); You can use these functions to buffer local files and execute local script code. Use ob_start() to save the output code into the buffer, and the page will not be displayed; then use ob_get_contents to get the data in the buffer. o…

The preg_match_all function is used to perform a global regular expression match. preg_match_all() Syntax int preg_match_all ( string $pattern , string $subject [, array &$matches [, int $flags = PREG…

Ternary operator condition ? Result 1 : Result 2 Explanation: The position in front of the question mark is the condition for judgment. If the condition is met, the result is 1, and if it is not met, the result is 2. This article compares and explains the ternary operator and if...else... in detail. I hope it will be helpful to everyone. Today when I was revising my paper online, I encountered a statement that I couldn’t understand: $if_summary = $row['IF_SUMMARY']=…

Get the data type 1. If you want to check the value and type of an expression, use var_dump(). 2. If you just want to get an easy-to-read type expression for debugging, use gettype(). 3. To check a certain type, do not use gettype(), but use the is_type() function. Converting Strings to Numbers When a string is evaluated as a number, the result is determined according to the following rules...

The `str strstr()` function searches for the first occurrence of one string within another string. It returns the remaining part of the string (starting from the matching position); if the target string is not found, it returns `false`. The code is as follows: `<?php $email = 'user@example.com'; $domain = strstr($email,...`

Below are several commonly used methods in PHP for scraping content from web pages: 1. `file_get_contents` – PHP code: The code is as follows: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > &gt

typecho001 template template please do not modify the folder name of this template. The folder name is: typecho001 1.4 Fix the js output problem on the article page 1.3 Fix the error prompt when the plug-in is not installed Optimize the list page code output 1.2 Fix the comment function and add a custom homepage title 1.1 Fix the comment reply asymmetry function Add a separate title setting function on the homepage Add the website favicon.ico icon Add one...

Sir, times have changed! Typecho is currently the most perfect solution, because Baidu can only see the code of fixed thinking. The actual generated HTML code is breathtakingly clean and fully customized, including adding classes to the li element, adding classes to the a element, adding classes to the previous page and next page, and removing the li tags that come with typecho to express more. I can even add some text to the content inside...

When you need to use typecho for template development, the default comment style is ugly. Therefore, comments need to be re-output or styled. The default comment template file path is: comments.php Mainly used related variables<?php $comments->gravatar('40', ''); ?> //Avatar has two parameters, size,...

Typecho database provides a very easy-to-use API, which is not much different from the native SQL writing method. At the same time, it also handles common SQL security issues, such as SQL injection. From a practical perspective, this article introduces common scenarios for typecho to operate databases and related API usage. Table creation and deletion During the development process of Typecho plug-in, you often need to create your own table. Typecho_… mentioned above

Typecho articles call the Typecho program. When designing a theme, the sidebar sometimes needs to call popular articles or the latest articles. We can call it directly through the script at the specified location. In this article, we will organize this method of calling articles, which can be directly called and used in templates where needed in the future. In fact, designing a theme is just that. After the static template is completed, it is called directly. The latest article calls <?php $t…

The number after pageSize represents the number of called articles; the number after mid represents the called category ID; Tip: The method to obtain the Typecho category ID is to move the mouse over a certain category name. The number after mid= displayed in the browser status bar is the category ID. Edit the current typecho theme template and add the following code where you want to call a category. Method 1: widget...