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Author: Salman Javaid

Website: http://www.salman.be

• Validate a number value with php.
• How to validate an integer with php.
• Validate a number value with php.

Function accepts a parameter and returns false if value is not an integer.
Function
function isValidInteger($string){
if(!preg_match("/^[0-9]+$/",$string)){
return false;
}
}
Calling The Function
$string=5;
if(isValidInteger($string)!==false){
echo 'Value is an integer';
}else{
echo 'Value is not an integer';
}
Output
Value is an integer

Binod Lamasl - July 31, 2011
how does the is_integer function works instead of

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