how to insert value in array in php

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 -

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 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

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

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

Add the delete search operation method to the php array value. The php array is divided into array values and array keys. the following small series will summarize the common operations for array values in php: adding values to the array, judging

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

Common PHP array functions I. basic functions of array operations Key name and value of the array Array_values ($ arr); obtain the array value array_keys ($ arr); obtain the array key name array_flip ($ arr ); values in the array are exchanged

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