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| Title : |
Check int / integer - checking if a variable is an integer or not. The php is_int() function does not check if the string value is integer or not. |
| Categories : |
PHP, Variables |
Yared g |
| Date : |
Oct 12th 2000 |
| Grade : |
3 of 5 (graded 5 times) |
| Viewed : |
12748 |
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No file for this code example. |
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| Tools : |
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function check_int($i) {
// return 0 if not int and return 1 if $i is int
if (ereg("^[0-9]+[.]?[0-9]*$", $i, $p)) {
return 1;
} else {
return 0;
}// end if
}// end check_int |
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| | | | Shashank Tripathi wrote :1699
Just use the is_numeric() function. The function that the other poster has suggested is highly inefficient. The POSIX "eregi" library functions are much poorer performers than their "preg_" equivalents, but for your purpose you don`t need any regex at all.
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