35

我想explode为所有人提供一个字符串:

  1. 空格(\n \t 等)
  2. 逗号
  3. 连字符(小破折号)。像这样>>-

但这不起作用:

$keywords = explode("\n\t\r\a,-", "my string");

怎么做?

4

2 回答 2

67

爆炸做不到。有一个很好的函数调用 preg_split它。像这样做:

$keywords = preg_split("/[\s,-]+/", "This-sign, is why we can't have nice things");
var_dump($keywords);

这输出:

  array
  0 => string 'This' (length=4)
  1 => string 'sign' (length=4)
  2 => string 'is' (length=2)
  3 => string 'why' (length=3)
  4 => string 'we' (length=2)
  5 => string 'can't' (length=5)
  6 => string 'have' (length=4)
  7 => string 'nice' (length=4)
  8 => string 'things' (length=6)

顺便说一句,不要使用split,它已被弃用。

于 2010-09-09T17:35:04.703 回答
11

...或者如果你不喜欢正则表达式并且你仍然想爆炸东西,你可以在爆炸之前用一个字符替换多个字符:

$keywords = explode("-", str_replace(array("\n", "\t", "\r", "\a", ",", "-"), "-", 
  "my string\nIt contains text.\rAnd several\ntypes of new-lines.\tAnd tabs."));
var_dump($keywords);

这吹成:

array(6) {
  [0]=>
  string(9) "my string"
  [1]=>
  string(17) "It contains text."
  [2]=>
  string(11) "And several"
  [3]=>
  string(12) "types of new"
  [4]=>
  string(6) "lines."
  [5]=>
  string(9) "And tabs."
}
于 2018-06-19T07:18:55.137 回答