Re: Array Question
| From: | kvigor | Date: | Wed, 11 Jul 2007 14:31:29 +0000 |
| Subject: | Re: Array Question | ||
| References: | 1 2 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-258616@lists.php.net to get a copy of this message | ||
Thanks,
I've seen the light by your code.
""Robin Vickery"" <robinv@gmail.com> wrote in message
news:5cb2dafd0707110146u6231416fm9afc5a9f3d5bf76b@mail.gmail.com...
> On 11/07/07, kvigor <k3cheese@insightbb.com> wrote:
>> Is there a php function similar to in_array that can detect if a "partial
>> value" is in an array value or not:
>>
>> e.g.
>>
>> $var1 = " big horse"; $var2 = " small yellow"; $var3 = " red
>>
>> hydrant";
>>
>> $theArray = array(big blue horse, small yellow bird, giant red hydrant);
>>
>> Is there a way to find out if $var1 in $theArray or $var2 etc.?
>
> There's not a built in function, but it's not hard to write one:
>
> function partial_in_array($needle, $haystack) {
> if (!is_array($needle)) { $needle = array($needle); }
>
> $needle = array_map('preg_quote', $needle);
>
> foreach ($needle as $pattern) {
> if (count(preg_grep("/$pattern/", $haystack)) > 0) return true;
> }
>
> return false;
> }