This article mainly introduces the method of grouping according to the value of the array in PHP, involving the traversal, judgment, assignment and other related operation skills of the PHP array. Friends in need can refer to the following
The examples of this article are described PHP implements a method of grouping according to the value of an array. Share it with everyone for your reference, the details are as follows:
PHP groups according to the value of the array. This function does not come with PHP array but it is very commonly used. I wrote it today to record it.
Code:
$_array = array( array(1,11,'2016-05-18'), array(2,11,'2016-05-18'), array(3,22,'2016-05-18'), array(4,22,'2016-05-18'), array(5,33,'2016-05-19'), array(6,33,'2016-05-19'), array(7,44,'2016-05-19'), array(8,44,'2016-05-19'), array(9,55,'2016-05-20'), array(10,55,'2016-05-20'), ); var_dump(array_val_chunk($_array)); function array_val_chunk($array){ $result = array(); foreach ($array as $key => $value) { $result[$value[1].$value[2]][] = $value; } $ret = array(); //这里把简直转成了数字的,方便同意处理 foreach ($result as $key => $value) { array_push($ret, $value); } return $ret; }
The running results are as follows:
array(5) { [0]=> array(2) { [0]=> array(3) { [0]=> int(1) [1]=> int(11) [2]=> string(10) "2016-05-18" } [1]=> array(3) { [0]=> int(2) [1]=> int(11) [2]=> string(10) "2016-05-18" } } [1]=> array(2) { [0]=> array(3) { [0]=> int(3) [1]=> int(22) [2]=> string(10) "2016-05-18" } [1]=> array(3) { [0]=> int(4) [1]=> int(22) [2]=> string(10) "2016-05-18" } } [2]=> array(2) { [0]=> array(3) { [0]=> int(5) [1]=> int(33) [2]=> string(10) "2016-05-19" } [1]=> array(3) { [0]=> int(6) [1]=> int(33) [2]=> string(10) "2016-05-19" } } [3]=> array(2) { [0]=> array(3) { [0]=> int(7) [1]=> int(44) [2]=> string(10) "2016-05-19" } [1]=> array(3) { [0]=> int(8) [1]=> int(44) [2]=> string(10) "2016-05-19" } } [4]=> array(2) { [0]=> array(3) { [0]=> int(9) [1]=> int(55) [2]=> string(10) "2016-05-20" } [1]=> array(3) { [0]=> int(10) [1]=> int(55) [2]=> string(10) "2016-05-20" } } }
The above is the entire content of this article, I hope it will be helpful to everyone's study.
Related recommendations:
PHP-FPM Performance Optimization_php Tips
PHP Analysis of the difference between global variables and super global variables_php skills
PHPUse SOAP extension Methods to implement WebService_php skills
The above is the detailed content of PHP implements grouping method based on array values. For more information, please follow other related articles on the PHP Chinese website!