Articles about string Functions Chr () 10 recommendations

The CHR function is used to convert an ASCII code to a character, the Ord function is used to convert a character to ASCII ASCII code that is the computer can display the character encoding, its value range is 0-255, including punctuation, letters, numbers, Chinese characters and so on. In the programming process, the specified characters are often converted to ASCII code for comparison. The following is a function that PHP provides to convert ASCII codes and characters. 1. The Chr () function is used to convert an ASCII value into a string. Its function is declared as follows: string chr (int ascii); 2. The Ord () function is used to convert a string into an ASCII code value. Its function is declared as follows: Int ord (string str); Example: Use the Chr () function and the Ord () function to perform the conversion between the string and the ASCII code as follows: Copy the code as follows: Run Result: X Y 83

1. How to score in Word the PHP CHR and ORD functions implement the character subtraction operation implementation code

Introduction: How to score in Word: How to score in Word the PHP CHR and ORD functions implement the character subtraction operation implementation code: The CHR function is used to convert the ASCII code to a character, the Ord function is used to convert the ASCII code to the ASCII encoding of the character that the computer can display, Its value range is 0-255, including punctuation, letters, numbers, Chinese characters and so on. In the programming process, the specified characters are often converted to ASCII code for comparison. The following is a function that PHP provides to convert ASCII codes and characters. 1. The Chr () function is used to convert an ASCII value into a string. Its function is declared as follows: string chr (int

2. PHP chr () Ord () How to solve the problem of capturing garbled Chinese _php tutorial

Introduction: PHP chr () Ord () Chinese truncation garbled problem solving method. Copy the code code as follows: PHP $lenth = 19; $str = "How will the long title of the news show only a few words in front, followed by ..." To replace it? "; echo strlen ($STR) = $lenth? $STR: (Sub

3. php function Chapter Master ord () and Chr () function Application _php Tutorial

Introduction: The PHP function of the Master Ord () and Chr () function application. Chinese character Coding Research series The third, PHP function chapter Mastering the Ord () and Chr () function application, the previous period [PHP basic article in detail ASCII code table and character conversion] in the article to understand the ASCII code and character turn

4. Examples of defined () and STRRCHR () functions in PHP _php tutorial

Summary: an instance of the defined () and STRRCHR () functions in PHP. The defined () function defines and uses the defined () function to check if a constant exists. Returns true if the constant exists, otherwise false is returned. Example: Php define (Greeting,hello world!);

5. PHP strstr () strrchr () Strpos () Strrpos () function _php Tutorial

Introduction: PHP strstr () strrchr () Strpos () Strrpos () function. These four functions are character manipulation functions, mainly to determine the number of occurrences of characters, the need for friends can refer to. Code to copy the code as follows? PHP//strstr: Left-to-right lookup return

6. Go to PHP development, some common pit _php tutorials

Description: Go to PHP when developing some common pits. To PHP development, some common pit 1, the STRRCHR function at the W3school site comments are as follows: the STRRCHR () function finds the last occurrence of a string in another string, and

7. PHP test file directory operation, _php tutorial

Introduction: PHP surface of the file directory operation,. PHP surface of the file directory operation, get the file suffix, traverse the directory Hierarchy/* * * * * * * * * * 5 ways to get the file suffix name * This problem is actually the test function substr () STRRCHR () Array_pop () STRRP

8. The STRRCHR () function returns the result sometimes wrong?

Summary: the STRRCHR () function returned the result sometimes wrong?

9. PHP chr () Ord () Chinese truncation garbled problem solving method

Introduction: PHP chr () Ord () Chinese truncation garbled problem solving method. Copy the code code as follows: PHP $lenth = 19; $str = "How will the long title of the news show only a few words in front, followed by ..." To replace it? "; echo strlen ($STR) = $lenth? $STR: (Sub

The STRRCHR () function returns the results sometimes wrong.

Summary: the STRRCHR () function returned the result sometimes wrong? Classic example of the manual: Echo strrchr ("Hello world!", "World"); output: world! but continue to try to find these wonderful results: Echo strrchr ("Hello aaaaworld!", "Aaaaworld" ); output: Aworld!echo s

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Why can the Chr () function output Unicode characters in javascript-php?

C + +-the detailed meaning of this paragraph of Strchrnul's explanation