close


[php]str_word_count() 函數計算字符串中的單詞數。


例子 1
<?php
echo str_word_count("Hello world!");
?>
輸出:
2


例子 2
<?php
print_r(str_word_count("Hello world!",1));
?>
輸出:
Array
(
[0] => Hello
[1] => world
)

例子 3
<?php
print_r(str_word_count("Hello world!",2));
?>
輸出:
Array
(
[0] => Hello
[6] => world
)

例子 4
<?php
print_r(str_word_count("Hello world & good morning!",1));
print_r(str_word_count("Hello world & good morning!",1,"&"));
?>
輸出:
Array
(
[0] => Hello
[1] => world
[2] => good
[3] => morning
)


Array
(
[0] => Hello
[1] => world
[2] => &
[3] => good
[4] => morning
)

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