16. PHP Array Functions -3 | array_diff extended, array_diff_assoc, array_diff_key | ATIBlog

Published: 20 November 2017
on channel: ATIBlog

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ATIBlog php array functions tutorial in hindi.

This tutorial contains :
array_diff() – extended.
array_diff_assoc()
array_diff_key()

1. More on array_diff()
You can add more arrays as parameters and This Function check for values only.
It’s just a SIMPLE DIFFERENCE of ARRAYS
In array_diff( $arr1, $arr2, $arr3, $arr4,…….)
Difference of $arr1 and $arr2 is again calculated with $arr3, again the resulting difference is calculated with $arr4, and so on.
Example 

2.array_diff_assoc()
Compares two associative arrays and return the difference.
It checks both the keys and values.
Parameter1 : first array.
Parameter2 : second array.
Like array_diff , it can take more arrays to compare.
Returns an array of values of the first array that are not present in the second array.

3. array_diff_key()
It compares the keys of the two arrays.
Same like array_diff (but checks only keys).
Parameter1 : First array.
Parameter2 : Second array.
It can More arrays to compare.
Returns an array that contains the differences.

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