php array difference / php array diff
This section demonstrates how to compute the differences between given arrays
This section demonstrates how to compute the differences between given arrays
- PHP array_diff() function is used to return the difference elements present in the given arrays.
- arrays can be two or more.
PHP Array Diff() Function Example
<?php
$ar1=array(11,12,13,14,15,16,17,18,19,20);
$ar2=array(10,12,13,14,15,16,17,18,19,21);
$ar3=array_diff($ar1,$ar2);
echo "array1 <br>";
foreach ($ar1
as $a1){
echo " ".$a1;
}
echo "<br>array2 <br>";
foreach ($ar2
as $a2){
echo " ".$a2;
}
echo "<br>difference is ".$dif;
foreach ($ar3
as $a3){
echo " ".$a3;
}
?>
Output
array1
11 12 13 14 15 16 17 18 19 20
array2
10 12 13 14 15 16 17 18 19 21
difference is 11 20
