回答編集履歴
2
修正
test
CHANGED
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@@ -24,6 +24,8 @@
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24
24
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25
25
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$tmp[] = '...';
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26
26
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27
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+
break;
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28
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+
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27
29
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}
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28
30
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29
31
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}
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1
追記
test
CHANGED
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@@ -8,25 +8,35 @@
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8
8
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9
9
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{
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10
10
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11
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-
$
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11
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+
$tmp = [];
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12
12
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13
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-
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13
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+
$arr = explode(PHP_EOL, $str);
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14
14
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15
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-
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15
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+
foreach ($arr as $i => $line) {
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16
16
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17
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-
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17
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+
if ($i < $len) {
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18
18
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19
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-
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19
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+
$tmp[] = $line;
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20
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+
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21
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+
}
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22
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+
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23
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+
if ($i == $len) {
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24
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+
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25
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+
$tmp[] = '...';
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26
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+
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27
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}
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20
28
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21
29
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}
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30
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+
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31
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+
return implode(PHP_EOL, $tmp);
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22
32
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23
33
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}
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24
34
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25
35
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26
36
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27
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-
$str =
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37
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+
$str = "あいうえお\nあいうえお\nあいうえお\nあいうえお\nあいうえお";
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28
38
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29
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-
echo truncate($str, 3);
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39
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+
echo nl2br(truncate($str, 3));
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30
40
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31
41
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32
42
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