php compare numbers

this article to introduce to you about PHP strings and numbers compare some issues , because numbers with characters in PHP are different data types, there may be a lot of problems when you compare them. Today you encounter a problem, call the

This article describes how to calculate and compare the floating point numbers in PHP and how to solve the inaccuracy of the integer. For more information, see This article describes how to calculate and compare the floating point numbers in PHP and

Floating point number in the conversion process will have errors, so the floating-point number can not directly compare its size, generally in comparison with two floating-point number is compared between their difference, if the difference between

This article describes how to calculate and compare the floating point numbers in PHP and how to solve the inaccuracy of the integer. For more information, see Comparison of floating point calculation resultsAn example of floating point number

How to compare and integer inaccuracy of floating point numbers in PHP Comparison of floating point calculation resultsAn example of floating point number calculation is as follows:   The Code is as follows: $ A = 0.2 + 0.7; $ B = 0.9; Var_dump ($ a

The solution for calculating and calculating the number of floating points in PHP is inaccurate. The following is an example of how to compare the floating-point calculation and integer inaccuracy in PHP: $ a0.2 + 0.7; $ b0.9; var_dump ($ a $ PHP's

: This article mainly introduces php programming notes. if you are interested in PHP tutorials, please refer to them. Three methods for php to obtain POST data Php image watermarking source code Php + ajax + json is the simplest example. Php Chinese

Php programming notes-three methods for obtaining POST data from small_123 php Php image watermarking source code Php + ajax + json is the simplest example. Php Chinese character to pinyin source code Php traverses the Directory, generates the md5

Three ways to get post data from PHP PHP image plus watermark source code One of the simplest examples of Php+ajax+json PHP Chinese Pinyin Source code PHP iterates through directories, generates MD5 values for each file in the directory, and writes

There is a sentence in the PHP manual:Never compare two floating point numbers for equality. I didn't care too much in the past. I recently fell into the project because of this problem, so I kept it in mind. The internal processing of floating