Detailed example of how PHP uses the explode() function to split a string into an array

This article mainly introduces the method of using php explode()function to split string into array, with It must be of reference value. Friends who need it can refer to it

The example in this article describes how PHP uses the explode() function to split a string into an array. Share it with everyone for your reference. The specific analysis is as follows:

explode() function: split the string into an array

The sample code is as follows:

";
print_r($arr);
?>

The result is as follows:

Array
(
  [0] => 朝阳区
  [1] => 海淀区
  [2] => 西城区
  [3] => 东城区
  [4] => 丰台区
)
Supplement:
Syntax: explode(parameter 1, parameter 2)
Parameter 1: By what to split, such as "," in the above example. 
Parameter 2: The string that needs to be split. 
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