php string number conversion method

php string number conversion method: 1. Use the intval function to convert the string into an integer, such as "intval($sum);"; 2. Use the floatval function to convert the string into a floating point number. Statements such as "floatval($sum);".

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The operating environment of this tutorial: Windows7 system, PHP7.3.3, the The method is applicable to all brands of computers.

php7.3.3-Conversion between strings and numbers

In usual PHP projects, we often use it to convert strings and numbers. , today I will introduce to you the methods of converting between them.

Convert strings to numbers. Here we use two functions of PHP, intval() and floatval();

'; //利用floatval函数将字符串转换为浮点数 echo floatval($sum);

Print results

99 99.99

To convert numbers to strings, here we can directly use PHP’s system function strval().

        

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Print results

99

To summarize, intval() converts a string into a number, while the strval() function converts a number into a string.

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