Location: PHPKode > projects > PHP SiteBuilder > include/strings.inc.php
<?php

/*
 * In this case, $str is the string, $n is the max number of characters per
 * line, $insert is what to put in between each line, $max is the maximum
 * number of lines to return, $conserve will only break lines at the $break
 * character.
 *
 * $foo = "One two three four five six seven eight nine ten.";
 * $x = SplitIntoLines($foo, 38, "\n", 0, True, " ");
 * echo $x;
 *
 * Source: e-gineer - PHP Knowledge Base <http://e-gineer.com/phpkb/>
 *
 *	$Id: strings.inc.php,v 1.6 2001/10/16 02:45:16 zaiborg Exp $
 */

if 	(defined('__strings_inc')) return;
	  define('__strings_inc', 1 );

if (DEBUG) { echo "<!-- Start of file: strings  -->\n"; }


function SplitIntoLines ($str, $n, $insert, $max=0, $conserve=False, $break=" ") {
	static $count = 0;
	$count++;
	if ($max > 0) {
		if ($count >= $max) {
			return $str;
		}
	}
	$retval = False;
	if (strlen($str) <= $n) {
		$retval = $str;
	} else {
		if (!$conserve) {
			$begin = substr($str, 0, $n);
			$end = substr($str, $n, strlen($str) - $n);
			$retval = $begin . $insert . SplitIntoLines($end, $n, $insert, $max);
		} else {
			$begin = substr($str, 0, $n);
			$pos = strrpos($begin, $break);
			if ($pos >= 1) {
				$begin = substr($str, 0, $pos);
				$end = substr($str, $pos+1, strlen($str) - $pos + 1);
				$retval = $begin . $insert . SplitIntoLines($end, $n, $insert, $max, $conserve, $break);
			}
		}
	}
	return $retval;
}

/**
 * Description:
 */
function splitString($text, $length=80, $joinAll=false)
{
	if ($joinAll) { eregi_replace("\n", " ", $text); }
	$paragraphs = explode("\n",$text);
	$max = count($paragraphs);
	for ( $i = 0; $i < $max; $i++ )
	{
		$tmpText = stripslashes($paragraphs[$i]);
		while ( strlen($tmpText) > $length )
		{
			// Find the position of the last space within the first $length chars:
			$splitAt = strrpos(substr($tmpText,0,$length), " ");
			$lines[] = substr($tmpText,0,$splitAt);
			$tmpText = substr($tmpText,$splitAt+1);
		}
		$lines[] = $tmpText; // Remember the last chunk!!!
	}
	return $lines;
}

if (DEBUG) { echo "<!-- End  of file: strings  -->\n"; }
?>
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