How do I sort a multi dimensional array in PHP?

Sorting a multidimensional array by element containing date. Use the usort() function to sort the array. The usort() function is PHP builtin function that sorts a given array using user-defined comparison function. This function assigns new integral keys starting from zero to array elements.

How do you sort a multi dimensional array by key?

Sort multidimensional array by multiple keys — PHP

  1. Input Array : $mylist = array( array(‘ID’ => 1, ‘title’ => ‘Boring Meeting’, ‘event_type’ => ‘meeting’),
  2. Sorting Logic using array_mulitsort : # get a list of sort columns and their data to pass to array_multisort. $sort = array();
  3. Final Output of $mylist: array ( 0 =>

How do you sort an array of associative arrays by the value of a given key in PHP?

The arsort() function sorts an associative array in descending order, according to the value. Tip: Use the asort() function to sort an associative array in ascending order, according to the value. Tip: Use the krsort() function to sort an associative array in descending order, according to the key.

How do you sort an array by a specific value in PHP?

To PHP sort array by value, you will need functions: asort() and arsort() (for ascending and descending orders).

  1. To PHP sort array by key, you should use:
  2. ksort() (for ascending order) or krsort() (for descending order).
  3. To PHP sort array by value, you will need functions:

How do you sort an indexed array in PHP?

PHP Sorting Arrays

  1. sort() – sort arrays in ascending order.
  2. rsort() – sort arrays in descending order.
  3. asort() – sort associative arrays in ascending order, according to the value.
  4. ksort() – sort associative arrays in ascending order, according to the key.

What is the work of explode () function?

The explode() function breaks a string into an array. Note: The “separator” parameter cannot be an empty string. Note: This function is binary-safe.