note 16310 deleted from function.is-numeric by googleguy
| From: | googleguy@php.net | Date: | Tue, 22 Oct 2013 12:19:17 +0000 |
| Subject: | note 16310 deleted from function.is-numeric by googleguy | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-197183@lists.php.net to get a copy of this message | ||
Note Submitter: mjbraca at NOSPAM dot hotmail dot com
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Some examples. Note that leading white space is OK, but not trailing white space, and there
can't be white space between the "-" and the number.
is_numeric("1,000") = F
is_numeric("1e2") = T
is_numeric("-1e-2") = T
is_numeric("1e2.3") = F
is_numeric("1.") = T
is_numeric("1.2") = T
is_numeric("1.2.3") = F
is_numeric("-1") = T
is_numeric("- 1") = F
is_numeric("--1") = F
is_numeric("1-") = F
is_numeric("1A") = F
is_numeric(" 1") = T
is_numeric("1 ") = F