What is the best way to insert a single value into an array between two specific values in PHP?

To insert a single value into an array between two specific values in PHP, you can use the array_splice() function. This function allows you to add elements to an array at a specified index without replacing any existing values. You can determine the index where you want to insert the new value by finding the position of the two specific values in the array.

// Original array
$array = [1, 2, 3, 4, 5];

// Find the index of the specific values
$index1 = array_search(2, $array);
$index2 = array_search(4, $array);

// Insert a new value between the two specific values
array_splice($array, $index2, 0, 6);

// Output the updated array
print_r($array);