PHP array_uintersect_uassoc() Function
In this chapter you will learn:
- Definition for PHP array_uintersect_uassoc() Function
- Syntax for PHP array_uintersect_uassoc() Function
- Parameter for PHP array_uintersect_uassoc() Function
- Example - Use two user-defined functions to compare the keys and values of two or more arrays, and returns the matches
Definition
The array_uintersect_uassoc() function uses two user-defined functions to compare the keys and values of two or more arrays, and returns the matches.
Syntax
PHP array_uintersect_uassoc() Function has the following syntax.
array_uintersect_uassoc(array1,array2,array3...,myfunction_key,myfunction_value)
Parameter
Parameter | Is Required | Description |
---|---|---|
array1 | Required. | The array to compare from |
array2 | Required. | An array to compare against |
array3,... | Optional. | More arrays to compare against |
myfunction_key | Required. | function name to compare keys. |
myfunction_value | Required. | function name to compare values. |
myfunction_key and myfunction_value must return an integer <, =, or > than 0 if the first argument is <, =, or > than the second argument.
Example
Use two user-defined functions to compare the keys and values of two or more arrays, and returns the matches
<?php// jav a 2 s .c om
function myfunction_key($a,$b){
if ($a===$b){
return 0;
}
return ($a>$b)?1:-1;
}
function myfunction_value($a,$b){
if ($a===$b){
return 0;
}
return ($a>$b)?1:-1;
}
$a1=array("a"=>"A","b"=>"B","c"=>"C");
$a2=array("a"=>"A","b"=>"B","c"=>"java2s.com");
$result=array_uintersect_uassoc($a1,$a2,"myfunction_key","myfunction_value");
print_r($result);
?>
The code above generates the following result.
Next chapter...
What you will learn in the next chapter:
- Definition for PHP array_unique() Function
- Syntax for PHP array_unique() Function
- Parameter for PHP array_unique() Function
- Example - returns the unique values with duplicate values removed
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