php array insert at index

Php basic knowledge Summary (1) array, basic knowledge array I. Sorting1. asort-Positive Sorting to maintain the index relationship2. arsort-reverse sorting to maintain the index relationship3. sort -- sorting from the lowest to the highest4. ksort -

Php basic knowledge summary (1) array, basic knowledge array. Php basic knowledge summary (1) array, basic knowledge array 1, sorting 1, asort -- forward sorting, maintaining the index relationship 2, arsort -- reverse sorting, maintain the index

Array pointer operation: Moves the array pointer operation: Next () down Gets the value of the current element. Prev () will also get the value of the current element. End () moves to the last element cell to get the value of the last element reset (

Php array insert value at any position, php array insert Array_splice () $ Arr = array ('A', 'B', 'C '); $ Arr2 = 'abc ';$ T = array_splice ($ arr, 1, 0, $ arr2 ); Print_r ($ arr ); Console output: Array ([0] => 'A' [1] => 'abc' [2] => 'B' [3] => 'C

An array is a variable that can store a group or a series of values. * Arrays are a basic data type. Array functions can also implement data structures such as stacks and queues. Subscript: the identifier of an array, that is, the code of a string

In java, the index of an array must be a number, and the number of arrays must be determined when the array is declared. Php is more flexible. indexes can make numbers or strings, and the number of arrays can be changed at will. Objective: to

Subscript: The identifying name in the array is the code of the string or integer in the array Several index values in an array are referred to as several-dimensional arrays. Index value: An index is a structure that sorts the values of one or more

Php array operations If you are still struggling to find the php array operation method, you must not miss this article, the most comprehensive php array operation method, and hope to help you.I. basic functionsKey name and value of the

PHP sorts the array values by using another container and php array. PHP sorts the array values and uses another container. php sorts the array values and uses another container? Php * sorting method: in fact, you only need to sort the array values

This article for everyone to share the basic knowledge of PHP array functions for your reference, the specific contents are as follows Array arrays are very important data types. It is more like a structure than other data types, and the result