tellmewhen string PHP string usage summary

1 Find the length, the most basic
$text = "sunny day";
$count = strlen($text); // $count = 9
2 String interception
How many characters before interception
$article = "BREAKING NEWS : In ultimate irony, man bites dog."; $summary = substr_replace($article, "...", 40);
3 Count the words
$article = "BREAKING NEWS: In ultimate irony, man bites dog." ; $wordCount = str_word_count($article);
// $wordCount = 8
4 Convert string into HTML connection
$url = "W.J. Gilmore, LLC (http://www.jb51.net)";
$url = preg_replace("/http://([A-z0-9./-]+)/", "$0", $url);
5 Remove HTML strings from characters
$text = strip_tags( $input, "
");
6 nl2br:
$comment = nl2br($comment);
Convert to HTML format
7 Wordwrap
Limit the number of words per line
$speech = "Four score and seven years ago our fathers brought forth, upon this continent, a new nation, conceived in Liberty, and dedicated to the proposition that all men are created equal.";
echo wordwrap($speech, 30);
Output:
Four score and seven years ago our fathers brought forth, upon this continent, a new nation, conceived in Liberty, and dedicated to the proposition that all men are created equal.

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