php将字符串随机分割成不同长度数组的方法
这篇文章主要介绍了php将字符串随机分割成不同长度数组的方法,涉及随机数及字符串操作的相关技巧,需要的朋友可以参考下。
本文实例讲述了php将字符串随机分割成不同长度数组的方法,分享给大家供大家参考,具体分析如下:
这里使用php对字符串在指定的长度范围内进行随机分割,把分割后的结果存在数组里面:
- function RandomSplit($min, $max, $str){
- $a = array();
- while ($str != ''){
- $p = rand($min, $max);
- $p = ($p > strlen($str)) ? strlen($str) : $p;
- $buffer = substr($str, 0, $p);
- $str = substr($str, $p, strlen($str)-$p);
- $a[] = $buffer;
- }
- return $a;
- }
- //范例:
- /*
- ** Example:
- */
- $test_string = 'This is a example to test the RandomSplit function.';
- print_r(RandomSplit(1, 7, $test_string));
- /*
- Outputs something like this
- (Array items are 1 to 7 characters long):
- Array
- (
- [0] => This
- [1] => is
- [2] => a exam
- [3] => ple to
- [4] => test t
- [5] => he
- [6] =>
- [7] => ran
- [8] => d_spl
- [9] => it f
- [10] => un
- [11] => ction.
- )
- */