Recommended 10 articles for Array_unique ()

Our previous article described how to delete headers, tails, arbitrary elements in the PHP array, and this article tells us to delete the repeating elements in the array by using the Array_unique () function. The Array_unique () function, which sorts the values of an array element as a string and then retains only the first key name for each value, ignores all subsequent key names, or deletes the duplicate elements in the array, with the following syntax: Array arry_unique (array array) parameters Array is the input. The following example causes the Array_unique () function to delete the repeating element in the array, with the following example code: <?phpheader ("content-type:text/html; Charset=utf-8 "); $array _push = Array (" topic.alibabacloud.com "," www.php.cn ", &amp

1. About PHP Array_unique () functions 10 articles recommended

Introduction: Our previous article on how to delete the PHP array in the head, tail, arbitrary elements, this article we tell through the Array_unique () function to delete the array of repeating elements. The Array_unique () function, which sorts the values of an array element as a string and then retains only the first key name for each value, ignores all subsequent key names, or removes duplicate elements in the array, with the following syntax: Array&nbsp;arry_unique (array &nbsp;array) parameter array for the input arrays ...

2. How to delete duplicate elements in a PHP array

Summary: the Array_unique () function, which sorts the values of an array element as a string, and then retains only the first key name for each value, ignoring all subsequent key names, or deleting duplicate elements in the array.

3. PHP Array function sequence Array_unique ()-Removes duplicate element values from the array

Summary: the Array_unique () function shifts the duplicate values in the array and returns the result arrays. When the values of several array elements are equal, only the first element is preserved, and the other elements are deleted.

4. PHP array de-weight relatively fast implementation mode

Introduction: Using PHP's Array_unique () function allows you to pass an array, and then remove the duplicate values, return a unique value of the array, through this article to introduce the PHP array to the more rapid implementation of the method, the need for friends to refer to this article

5. PHP array_flip () Delete array repeating elements

Summary: In PHP, there is an available function for deleting duplicate elements in an array, which is array_unique (), but it is not the most efficient method, and using the Array_flip () function will be about five times times higher than Array_uniqure ().

6. PHP Array function sequence Array_unique ()-Removes duplicate element values from the array

Summary: the Array_unique () function shifts the duplicate values in the array and returns the result arrays. When the values of several array elements are equal, only the first element is preserved, and the other elements are deleted.

7. PHP removes duplicate elements from an array using the Array_flip () function

Summary: Abstract: In PHP, the deletion of duplicate elements in an array has an available function, that is array_unique (), but it is not the most efficient method, using the Array_flip () function will be more than Array_unique () at a speed of about five times times. ...

8. PHP Two array functions self-understanding PHP Declaration array php Create array php array sequence

Introduction: Array functions, php:php Two array functions self-understanding: PHP Array_unique () function to remove duplicates in the array: "Red", "b" = "green", "c" = "red");p Rint_r (Array_ Unique ($a));? The >array_unique () function shifts the duplicates in the array and returns the result arrays. When several array elements are equal, only the first element is preserved, and the other elements are deleted. The key name in the returned array is not changed. Note: The retained array will maintain the first

9. PHP Array Function sequence Array_unique-removes duplicate element values from the array

Summary:: PHP array function sequence Array_unique-Remove duplicate element values in the array: Array_unique () Definition and usage the Array_unique () function removes duplicate values from the divisor and returns an array of results. When the values of several array elements are equal, only the first element is preserved, and the other elements are deleted. The key name in the returned array is not changed. The syntax Array_unique (array) parameter describes the array required. Specifies the input array. Description Array_unique () sorts the values first as a string, then retains only the first key name encountered for each value, and then ignores

UniqueID PHP to determine if the same value exists in the array array_unique

introduction: Uniqueid:uniqueid PHP to determine if the same value exists in the array array_unique:array_unique (PHP 4 >= 4.0.1, PHP 5) Array_unique--The duplicate value in the migration group indicates that the array array_unique (array array) Array_unique () accepts the array as input and returns a new array with no duplicate values. Note The key name remains unchanged. Array_unique () Sorts the values first as a string, then retains only the first encountered key name for each value, and then