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<?php function textwrap($text, $wrap=80, $break='<BR>\n'){ $len = strlen($text); if ($len > $wrap){ $h = ''; $lastWhite = 0; $lastChar = 0; $lastBreak = 0; while ($lastChar < $len){ $char = substr($text, $lastChar, 1); if (($lastChar - $lastBreak > $wrap) && ($lastWhite > $lastBreak)){ $h .= substr($text, $lastBreak, ($lastWhite - $lastBreak)) . "$break"; $lastChar = $lastWhite + 1; $lastBreak = $lastChar; } /* You may wish to include other characters as valid whitespace... */ if ($char == ' ' || $char == chr(13) || $char == chr(10)){ $lastWhite = $lastChar; } $lastChar = $lastChar + 1; } $h .= substr($text, $lastBreak); } else{ $h = $text; } return $h; } ?> <HTML> <HEAD><TITLE>Textwrap Example</TITLE></HEAD> <BODY> <?php $test = "This is a test. This is only a test. Had this been a real emergency you would have been instructed to put your head between your knees and pray."; echo("$test<BR>\n<BR>\n"); for ($w = 80; $w > 0; $w = $w - 10){ $wrapped = textwrap($test, $w); echo("$w<BR>\n$wrapped<BR>\n<BR>\n"); } ?> </BODY> </HTML> | ||||||||||
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