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How to get the length of an array (number of elements) in php

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Release： 2016-07-25 08:55:52
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  2. $users = array ("qdv.cn", "haotu.net", "sharejs.com", "google.com");
  3. print count($users)-1;
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Example 2, usage of php function count to get the length of an array.

Example 2, the count function is used to obtain the length of the array

  2. $array = array("PHP", "Perl", "Java");
  3. print_r("Size 1: ".count($array)."n");
  4. $array = array();
  5. print_r("Size 2: ".count($array)."n");
  6. ?>
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Output result: Size 1: 3 Size 2: 0



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php获得数组长度(元素个数)的方法
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