Detailed introduction to php string functions

php What is the role of string function stripos()? The string function stripos() is to find the first occurrence of a string in another string. This function is not case-sensitive. It is very convenient to use, and its related functions are strripos() - Find the last occurrence of a string in another string (case-insensitive) strpos() - Find the last occurrence of a string in another string The position of one occurrence (case-sensitive) strrpos() - Find the position of the last occurrence of a string in another string (case-sensitive) Let's take a look at the syntax of the stripos() function stripos(string,find,start ) This function has three parameters, the first two parameters are required, and the third parameter is optional and the parameter description string is required. Specifies the string to be searched for. find required. Specifies the characters to search for. start is optional. Specifies the location from which to start the search. The return value of the stripos() function. The stripos() function returns a string in another string.

1. php The definition and usage of the string function stripos()

Introduction: The string function stripos() is to find the first occurrence of a string in another string. This function is not case sensitive. It is very convenient to use

2. php string function strip_tags() usage summary

Introduction: The php strip_tags() function is one of the string functions. Its function is to remove HTML, XML and PHP tags from the string. Then return the string after removing the tags. This article collects several articles about the php strip_tags() function. I hope it will be helpful for everyone to understand the string function strip_tags().

3. Detailed explanation of strings, encodings, and UTF-8 codes in PHP

Introduction: I have read a lot of articles on coding recently, so I will divide it into two blog posts to talk about "PHP, strings, encoding, UTF-8" related knowledge. This blog post is the first one. The first half is divided into four major parts, namely "Definition and Use of Strings", "String Conversion", "The Essence of PHP Strings", and "Multi-byte Strings". The first half is relatively basic, and the next article "Best Practices of PHP and UTF-8" may have more information.

4. Detailed introduction to the best practices of PHP and UTF-8

##Introduction: The article "Strings, Encoding, UTF-8 in PHP" describes a series of basic knowledge, which is quite boring. Now let's talk about something useful-the most important part of PHP string processing. Best practices, this article is the second part of "PHP, strings, encoding, UTF-8" related knowledge. Conclusion first - use UTF-8 encoding in all aspects of PHP.

5. Comparison of the efficiency of several string connections in php

Introduction: The editor below will bring you an efficiency comparison of several string connections in PHP (detailed explanation). The editor thinks it’s pretty good, so I’ll share it with you now and give it as a reference. Let’s follow the editor and take a look

6. Realizing string flip in php

Introduction: This article mainly introduces the method of realizing PHP string flipping, which has a good reference value. Let’s take a look at it with the editor

7. [PHP]String-Access substring

Introduction: Want to know if a string contains a specific substring. For example, you want to see if an email address contains an @ .

8. String, encoding, UTF-8 in PHP

Introduction: I have read a lot of articles on coding recently, so I will divide the knowledge about "PHP, strings, encoding, UTF-8" into two blog posts. This blog post is the first half. It is divided into four major sections, namely "Definition and Use of Strings", "String Conversion", "The Essence of PHP Strings", and "Multi-byte Strings". The first half is a comparison of the basics

9. Usage examples of common PHP string processing functions [conversion, escaping, interception, comparison, search, reversal, cutting]

Introduction: This article mainly introduces the usage of common string processing functions in PHP, and analyzes PHP's specific functions in the form of examples. For string case conversion, escaping, interception, comparison, search, reversal, cutting and other operations, friends in need can refer to

10. php commonly used strings Output method analysis (echo, print, printf and sprintf)

##Introduction: This article mainly introduces PHP's commonly used string output methods, combined with examples, analyze the specific usage and related usage skills of echo, print, printf and sprintf output strings. Friends in need can refer to the following

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