How to use array uintersect in PHP
In this article, I will explain how the array_uintersect() function can be used in PHP.
array_uintersect() function in PHP
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The array_uintersect() function is used to compares two or more arrays, in a user-define function.
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In array_uintersect() function, user-define function compares array values, and returns a numeric value.
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In array_uintersect() function, only the value is used in the comparison.
Syntax
| array_uintersect(array1,array2,array3....,function) |
Parameter
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array1 array1 is required parameter. The first array is the array which will be compared with other arrays.
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array2 array2 is required parameter. An array to be compared with the first array.
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array3 array3 is optional parameter. An array to be compared with the first array.
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function function is required parameter. The function define by user.
Example
The following example show to how the array_uintersect() function can be used in PHP.
|
<html>
<body>
<h3 style="color: blue;">array_uintersect() function example in PHP</h3>
<?php
function mydemo($s1,$s2)
{
if ($s1===$s2)
{
return 0;
}
if ($s1 > $s2) return 1;
{
return -1;
}
return 1;
}
$a1=array("a"=>"Student","b"=>"Teacher","c"=>"Worker");
$a2=array(1=>"Teacher",2=>"Student",3=>"Engg.");
echo("After array_uintersect function value is <br/>");
print_r(array_uintersect($a1,$a2,"mydemo"));
?>
</body>
</html>
|
Output
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