How can I get whole number in PHP?

How do you check if a number is a whole number in PHP?

The is_int() function checks whether a variable is of type integer or not. This function returns true (1) if the variable is of type integer, otherwise it returns false.

How do you find if something is a whole number?

You can multiply it by 10 and then do a “modulo” operation/divison with 10, and check if result of that two operations is zero. Result of that two operations will give you first digit after the decimal point. If result is equal to zero then the number is a whole number.

How do you round to the nearest whole number in PHP?

The ceil() function is a built-in function in PHP and is used to round a number to the nearest greater integer. Parameters: The ceil() function accepts a single parameter value which represents the number which you want to round up to the nearest greater integer.

What is PHP floor () function?

The floor() function is another in-built function in PHP iterpreter. This function accepts any float number as argument and rounds it down to the next lowest integer. This function always returns a float number as range of float is bigger than that of integer.

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Is a whole number?

A whole number is any number that does not contain a fraction, decimal, or negative value. For example, 1, 25, and 365 are whole numbers. Whereas the values of -3, 100.01, 365 ¼, and 2006.3 are not.

Is not a number PHP?

The is_numeric() function is an inbuilt function in PHP which is used to check whether a variable passed in function as a parameter is a number or a numeric string or not. The function returns a boolean value. … Based on this verification, the function returns a boolean value.

Which is greatest whole number?

So, 0, 1, 2, 3, 4…… are the whole numbers. We can clearly say that 1 is the smallest natural number and 0 is the smallest whole number. But there is no largest whole number because each number has its successor. Thus, there is no largest whole number.

How do I round to 2 decimal places in PHP?

$twoDecNum = sprintf(‘%0.2f’, round($number, 2)); The rounding correctly rounds the number and the sprintf forces it to 2 decimal places if it happens to to be only 1 decimal place after rounding.

How can I get 2 decimal places in PHP?

Show a Number to Two Decimal Places in PHP

  1. Use number_format() Function to Show a Number to Two Decimal Places in PHP.
  2. Use round() Function to Show a Number to Two Decimal Places in PHP.
  3. Use sprintf() Function to Show a Number to Two Decimal Places in PHP.

Is PHP a float?

The is_float() function checks whether a variable is of type float or not. This function returns true (1) if the variable is of type float, otherwise it returns false.

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What is floor in C?

In the C Programming Language, the floor function returns the largest integer that is smaller than or equal to x (ie: rounds downs the nearest integer).

How do you write a floor function?

The floor function (also known as the greatest integer function) ⌊ ⋅ ⌋ : R → Z lfloorcdotrfloor: mathbb{R} to mathbb{Z} ⌊⋅⌋:R→Z of a real number x denotes the greatest integer less than or equal to x.

How do you divide in PHP?

For integer division, see intdiv(). Operands of modulo are converted to int before processing.

Arithmetic Operators.

Example Name Result
$a – $b Subtraction Difference of $a and $b .
$a * $b Multiplication Product of $a and $b .
$a / $b Division Quotient of $a and $b .
$a % $b Modulo Remainder of $a divided by $b .
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