Revision: 3011
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at May 23, 2007 10:50 by jgeewax
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/**
* Check if a number is a counting number by checking if it
* is an integer primitive type, or if the string represents
* an integer as a string
*/
function is_int_val($data) {
if (is_int($data) === true) return true;
elseif (is_string($data) === true && is_numeric($data) === true) {
return (strpos($data, '.') === false);
}
return false;
}
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PHP has is_numeric, and is_int, but this is a not a complete set. Is_numeric doesn't maintain that the value is strictly an integer, and is_int returns true if the TYPE of the variable is an integer. This returns whether a variable holds an integer value as either a true int, or as a string.
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Check if integer _value_
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PHP