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basic functions of array manipulationThe key name and value of the arrayArray_values ($arr); Gets the value of the array Array_keys ($arr), gets the key name of the array array_flip ($arr), and the values in the array are exchanged with the key
This article mainly introduces how to learn PHP arrays [experience]. For more information, see
PHP has many array functions to facilitate array operations.
Definition:
Each object in the array contains two items: key and value. you can use the
This article mainly introduces how to learn PHP arrays [experience]. For more information, see
PHP has many array functions to facilitate array operations.
Definition:
Each object in the array contains two items: key and value. you can use the
Array pointer operation: Moves the array pointer operation: Next () down Gets the value of the current element. Prev () will also get the value of the current element. End () moves to the last element cell to get the value of the last element reset (
Php basic knowledge Summary (1) array, basic knowledge array
I. Sorting1. asort-Positive Sorting to maintain the index relationship2. arsort-reverse sorting to maintain the index relationship3. sort -- sorting from the lowest to the highest4. ksort -
Ange ($low, $high), Range ($low, $high, $step);//Create an array of sequential values such as range (1,4) (1,2,3,4) and range (' A ', ' Z ')
Each ($array) returns the current element of the array sequentially and sets the next element to the
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