phpは英語で自動的に改行し、最後の行に「-」を付ける.

<?php
function enauto_break($words, $len) {
    if($len <2)
        return $words;
    $words_len = strlen($words);
    $html_out = "";
    $add_times = 7;$end = 0;
    for($i=0;$i<$add_times;$i++) {
        if($end>=$words_len)
            break;
        //echo 'now len '. $end;
        $t_temp = pa_substr($words, $end, $len, $end);
        // echo ' se len '. $end;
        $tail_word = substr($words, $end, 1);
        if(preg_match('/[a-zA-Z]/', $tail_word)) {
            $html_out .= $t_temp . '-<br/>';
        }else{
            $html_out .= $t_temp . '`<br/>';
        }
    }
    $html_out .= substr($words, $end);
    return $html_out;
}
//          ，           
//$len        ，      ，  ！
function pa_substr($words, $start, $len, &$end) {

    $arial_array = array('a' => 10,
    'b' => 9,
    'c' => 9,
    'd' => 9,
    'e' => 10,
    'f' => 7,
    'g' => 9,
    'h' => 9,
    'i' => 2,
    'j' => 4,
    'k' => 9,
    'l' => 2,
    'm' => 14,
    'n' => 9,
    'o' => 10,
    'p' => 9,
    'q' => 9,
    'r' => 6,
    's' => 9,
    't' => 5,
    'u' => 9,
    'v' => 11,
    'w' => 15,
    'x' => 10,
    'y' => 9,
    'z' => 9,
    ',' => 4,
    'A' => 13,
    'B' => 11,
    'C' => 13,
    'D' => 12,
    'E' => 11,
    'F' => 10,
    'G' => 14,
    'H' => 12,
    'I' => 2,
    'J' => 8,
    'K' => 12,
    'L' => 9,
    'M' => 15,
    'N' => 12,
    'O' => 14,
    'P' => 11,
    'Q' => 14,
    'R' => 12,
    'S' => 12,
    'T' => 12,
    'U' => 12,
    'V' => 13,
    'W' => 21,
    'X' => 14,
    'Y' => 14,
    'Z' => 12,
    '(' => 2,
    ')' => 2,
    );
    $now_pos = $start;
    $html_out = '';
    $now_get_len = 0;
    while($now_get_len<$len) {
        $t_temp = substr($words, $now_pos++, 1);
        if(empty($arial_array[$t_temp])) {
            $now_get_len += 7;
        }else {
            $now_get_len +=$arial_array[$t_temp];
        }
        $html_out .= $t_temp;
    }
    $end = $now_pos;
    return $html_out;
}
?>