我有一個字符串，我想每 5 個單詞后放一個單詞。這個詞來自數組。French History Maths Physics Spanish Chemistry Biology English DT Maths History DT Spanish English French RS我想從數組中獲取 2 個單詞，然后在 5 個單詞之后將其插入到上面的字符串中。$words = arrray(a, able, about, above, abst, accordance, according, accordingly, across, act, actually, added, adj);像這樣的輸出：French History Maths Physics Spanish a able about above abst Chemistry Biology English DT Maths according according accordingly across act Spanish English French RS.
1 回答
慕桂英546537
TA貢獻1848條經驗 獲得超10個贊
$string = 'French History Maths Physics Spanish Chemistry Biology English DT Maths History DT Spanish English French RS';
$words = array('a', 'able', 'about', 'above', 'abst', 'accordance', 'according', 'accordingly', 'across', 'act', 'actually', 'added', 'adj');
$result = [];
$xpld = explode(' ',$string);
if(!empty($xpld))
{
$count = 0;
for ($i=0; $i < sizeof($xpld) ; $i++)
{
if ($i % 5 == 0 && $i > 0)
{
for ($j=$count; $j < $count + 5 ; $j++)
{
$result[] = @$words[$j];
}
$count = $j;
}
$result[] = $xpld[$i];
}
}
$result = implode(' ',$result);
echo $result;
上面的代碼與您的示例中的代碼類似，但我不知道它是否有效，請注意，我曾經suppress @避免數組單詞超出索引
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