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How to limit insert keyword
Posted on 2013-01-01
I have a form as below:
I want when user input keywords separated by a comma as shown below:
for example the user put 60 keywords, But I only get a maximum of 50 key words, how to?
<input type="text" id="keywords" name="keywords" class="text" size="20" />
I want when user input keywords separated by a comma as shown below:
nature, index, luxury, test1, test2, ..... test60
for example the user put 60 keywords, But I only get a maximum of 50 key words, how to?
[X]
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4 Comments
Active today
I'm not sure to understand, so let me summarize:
you have an input type='text' where a user can put an unlimited number of keywords: you want to grab these keywords only up to 50 and have them separated by a comme. If this is the case, you can try this:
Cheers
you have an input type='text' where a user can put an unlimited number of keywords: you want to grab these keywords only up to 50 and have them separated by a comme. If this is the case, you can try this:
<?php
if (isset($_POST['submit'])){
$kw = $_POST['keywords'];
$kw = preg_replace("/\s+/", " ", $kw);
$kwArr = explode(' ', $kw);
$output = array_slice($kwArr, 5, count($kwArr));
$output = array_diff($kwArr, $output);
$keywords = implode(', ', $output);
echo $keywords;
}
echo "<form method='post'>";
echo "<input type='text' name='keywords' value='' />";
echo "<input type='submit' name='submit' value='Submit' />";
echo "</form>";
Cheers
If I want to limit the maximum number of characters of a keyword, how to? for example, each input keywords only have a maximum of 20 characters
Active today
Thanks for points. To limit the length of accepted keywords you can use this:
if (isset($_POST['submit'])){
$kw = $_POST['keywords'];
$kw = preg_replace("/\s+/", " ", $kw);
$kwArr = explode(' ', $kw);
$output = array_slice($kwArr, 5, count($kwArr));
$output = array_diff($kwArr, $output);
for($i = 0; $i<count($output); $i++){
if (strlen($output[$i]) <= 20){
$result[] = $output[$i];
}
}
$keywords = implode(', ', $result);
echo $keywords;
}
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