How to use array intersect uassoc in PHP
In this article, I will explain how the array_intersect_uassoc() function can be used in PHP.
array_intersect_uassoc() function in PHP
-
The array_intersect_uassoc() function compares two or more arrays checking for differences with additional user supplied function.
-
In array_intersect_uassoc() function, both the key and the value is used in the comparison and in the user-defined function, only the keys are being compared.
-
The array_intersect_uassoc() function returns an array with the keys and values from the first array, if the function allows it.
-
The array_intersect_uassoc() function must return an integer less than, equal to, or greater than zero
Syntax
array_intersect_uassoc(array1,array2,array3....,function) |
Parameter
-
array1 array1 is required parameter. The first array is the array which will be compared with other arrays.
-
array2 array2 is required parameter. An array to be compared with the first array.
-
array3 array3 is optional parameter. An array to be compared with the first array.
-
function function is required parameter. The function made by user.
Example
The following example show to how the array_intersect_uassoc() function can be used in PHP.
<html>
<body>
<h3 style="color: darkslateblue;">array_intersect_uassoc() function example in PHP</h3>
<?php
function mydemo($s1,$s2)
{
if ($s1===$s2)
{
return 0;
}
if ($s1>$s2)
{
return 1;
}
else
{
return -1;
}
}
$a1=array(0=>"student",1=>"teacher",2=>"advocate");
$a2=array(3=>"student",1=>"teacher",5=>"advocate");
print_r(array_intersect_uassoc($a1,$a2,"mydemo"));
?>
</body>
</html>
|
Output
You may also want to read these related articles here
Ask Your Question
Got a programming related question? You may want to post your question here