| 1 | <? |
| 2 | //************************************************************************* |
| 3 | // Count the number of occurances of $needle are in $haystack. |
| 4 | //************************************************************************* |
| 5 | function countCharInString($haystack, $needle) { |
| 6 | $len = strlen($haystack); |
| 7 | for ($i = 0; $i < $len; $i++) { |
| 8 | if ($haystack[$i] == $needle) |
| 9 | $count++; |
| 10 | } |
| 11 | return $count; |
| 12 | } |
| 13 | |
| 14 | //************************************************************************* |
| 15 | // Read from the back of $haystack until $needle is found, or the begining |
| 16 | // of the $haystack is reached. |
| 17 | //************************************************************************* |
| 18 | function readShortMailboxName($haystack, $needle) { |
| 19 | $len = strlen($haystack); |
| 20 | for ($i = $len - 1; ($i >= 0) && (!$found);$i--) { |
| 21 | $char = $haystack[$i]; |
| 22 | if ($char == $needle) |
| 23 | $found = 1; |
| 24 | else |
| 25 | $data .= $char; |
| 26 | } |
| 27 | return strrev($data); |
| 28 | } |
| 29 | |
| 30 | // Wraps text at $wrap characters |
| 31 | function wordWrap($passed, $wrap) { |
| 32 | $words = explode(" ", trim($passed)); |
| 33 | $i = 0; |
| 34 | $line_len = strlen($words[$i])+1; |
| 35 | $line = ""; |
| 36 | while ($i < count($words)) { |
| 37 | while ($line_len < $wrap) { |
| 38 | $line = "$line$words[$i] "; |
| 39 | $i++; |
| 40 | $line_len = $line_len + strlen($words[$i])+1; |
| 41 | } |
| 42 | $line_len = strlen($words[$i])+1; |
| 43 | if ($line_len < $wrap) { |
| 44 | if ($i < count($words)) // don't <BR> the last line |
| 45 | $line = "$line<BR>"; |
| 46 | } else { |
| 47 | $endline = $words[$i]; |
| 48 | while ($line_len >= $wrap) { |
| 49 | $bigline = substr($endline, 0, $wrap); |
| 50 | $endline = substr($endline, $wrap, strlen($endline)); |
| 51 | $line_len = strlen($endline); |
| 52 | $line = "$line$bigline<BR>"; |
| 53 | } |
| 54 | $line = "$line$endline<BR>"; |
| 55 | $i++; |
| 56 | } |
| 57 | } |
| 58 | return $line; |
| 59 | } |
| 60 | |
| 61 | /** Returns an array of email addresses **/ |
| 62 | function parseAddrs($text) { |
| 63 | $text = str_replace(" ", "", $text); |
| 64 | $text = str_replace(",", ";", $text); |
| 65 | $array = explode(";", $text); |
| 66 | return $array; |
| 67 | } |
| 68 | |
| 69 | /** Returns a line of comma separated email addresses from an array **/ |
| 70 | function getLineOfAddrs($array) { |
| 71 | $to_line = ""; |
| 72 | for ($i = 0; $i < count($array); $i++) { |
| 73 | if ($to_line) |
| 74 | $to_line = "$to_line, $array[$i]"; |
| 75 | else |
| 76 | $to_line = "$array[$i]"; |
| 77 | } |
| 78 | return $to_line; |
| 79 | } |
| 80 | ?> |