Question

How to check if number is decimal in PHP

Answer 1

$num = 3.14;

if (is_float($num)) {
    echo 'Decimal number';
} else {
    echo 'Not decimal number';
}
  
  
  
  
/*
run:
  
Decimal number
  
*/

 

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Answer 2

$num = 3.14;

// fmod() returns floating-point remainder (modulo) of dividing two numbers

if (fmod($num, 1) !== 0.0) {
    echo 'Decimal number';
} else {
    echo 'Not decimal number';
}
  
  
  
  
/*
run:
  
Decimal number
  
*/

 

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