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HomeBackend DevelopmentPHP Tutorial10 recommended articles about php bindec() function

php decimal conversion functions are as follows: bindec() — Convert binary to decimal decbin() — Convert decimal to binary dechex() — Convert decimal to hexadecimal decoct() — Convert decimal to octal hexdec() — Ten Convert hexadecimal system to decimal system octdec() — Convert octal system to decimal system base_convert() – Convert numbers between any base systems. The application instructions are as follows: 1. Explanation of decimal system (decimal system) conversion function 1. Decimal system to binary system decbin() function, The following example echo decbin(12); //Output 1100 echo decbin(26); //Output 11010 decbin (PHP 3, PHP 4, PHP 5) decbin --

1. PHP base conversion function

10 recommended articles about php bindec() function

Introduction: PHP base conversion function is as follows: bindec() — Binary conversion to decimal decbin() — Convert decimal to binary dechex() — Convert decimal to hexadecimal decoct() — Convert decimal to octal hexdec() — Convert hex to decimal octdec() — Convert octal to decimal base_convert( )– The application of converting numbers between arbitrary base systems is explained as follows: 1. Decimal system conversion function...

2. Classic summary of PHP mathematical operation functions It is worth collecting. HTML calls php function excel function quadratic function

Introduction: php, function: A large summary of PHP mathematical operation functions. Classic. Worth collecting: This article summarizes and analyzes PHP mathematical operations. function. Share it with everyone for your reference, the details are as follows: 1. Description of commonly used functions: Abs: Get the absolute value. Acos: Get the arc cosine value. Asin: Get the arcsine value. Atan: Get the arctangent value. Atan2: Calculates the arctangent of a two number. base_convert: Convert the carry method of the number. BinDec: Convert binary to decimal. Ceil: Calculates the smallest integer greater than the specified number. Cos: cosine calculation. DecBin: Convert decimal to binary. DecHe

3. Analyze the conversion function between the carry systems that comes with PHP_PHP Tutorial

Introduction: Analyze the conversion function between PHP's own carry systems. bindec() -- Convert binary to decimal decbin() -- Convert decimal to binary dechex() -- Convert decimal to hexadecimal decoct() -- Convert decimal to octal hexdec() -- Hexadecimal

4. When the PHP function ip2long converts IP, the value is too large and a negative number is generated_PHP tutorial

Introduction: PHP function ip2long conversion When the IP value is too large, a negative number is generated. // Use sprintf to return an unsigned decimal number $long = sprintf("%u",ip2long($ip)); // First convert to binary and then convert to decimal $long = bindec(decbin(ip2long($ip)) );

5. php function accumulation summary

Introduction: Math function: 10 commonly used ones marked in red. abs — Absolute acos — Inverse cosine acosh — Inverse hyperbolic cosine asin — Arc sine asinh — Inverse hyperbolic sine atan2 — Arc tangent of two parameters atan — Arc tangent atanh — Inverse hyperbolic tangent base_convert — Convert between arbitrary bases Numeric bindec - Binary to decimal conversion

6. How does PHP send a byte to a certain port of an IP

Introduction: How does PHP send a byte to a certain port of a certain IP? For example, if you send a byte to the 2012 port of 202.117.120.241, the 8 bits of the byte are 00100000. How to implement this? ------Solution--------------------$fp = fsoctopen('202.117.120.241', 2012);fwrite($fp, chr(bindec ('001

7. Convert binary data to decimal string

Introduction: Convert binary data to decimal string for help I have a string of Base64 data that is decoded into binary data. How can I convert this string of binary data into decimal and then output it as a string? I tried the bindec() function, but what I got was 0. Very It’s puzzling. I’ve tried other base conversion functions, but they don’t seem to work. Here’s my Base64 original data V3FwMbiBTiYKVBXgO68BwSRWUXQETmISFVKm

8. ! 01 Function to convert a long string into a hexadecimal string

Introduction: Help, help! 01 The function that converts a long string into a hexadecimal string is as mentioned in the title. Is there such a function in PHP? ------Solution idea---------------- ------The long string of 01 characters is a binary string. It can be converted into a decimal number using bindec. The decimal number can be converted into a decimal number using dechex. 

9. Analysis PHP’s built-in conversion function between carry systems

#Introduction: Analyze the conversion function between PHP’s built-in carry systems. bindec() -- Convert binary to decimal decbin() -- Convert decimal to binary dechex() -- Convert decimal to hexadecimal decoct() -- Convert decimal to octal hexdec() -- Hexadecimal

10. Convert binary data to decimal string

Introduction: Convert binary data to decimal string for help I have a string of Base64 After the data is decoded, it is binary data. How can I convert this string of binary data into decimal and then output it as a string? I tried the bindec() function, but what I got was 0. It’s very confusing. Other decimal conversions I have also tried the functions, but they don’t seem to work. Here is my Base64 original data V3FwMbiBTiYKVBXgO68BwSRWUXQETmISFVKm

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php字符串有没有下标php字符串有没有下标Apr 24, 2022 am 11:49 AM

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php怎么替换nbsp空格符php怎么替换nbsp空格符Apr 24, 2022 pm 02:55 PM

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php怎么判断有没有小数点php怎么判断有没有小数点Apr 20, 2022 pm 08:12 PM

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在php中,可以使用substr()函数来读取字符串后几个字符,只需要将该函数的第二个参数设置为负值,第三个参数省略即可;语法为“substr(字符串,-n)”,表示读取从字符串结尾处向前数第n个字符开始,直到字符串结尾的全部字符。

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