Realize self-worth PHP implementation method to remove array elements according to specified element values

Remove array elements by specified element values

Copy code The code is as follows:

//Remove elements with value "Cat"
$a=array("a"=>"Dog ","b"=>"Cat","c"=>"Horse");
print_r($a);
unset($a[array_search("Cat",$a)]);// array_search("Cat",$a) returns the key name by element value. Keep index after removal
print_r($a);
?>

View array_search usage
Display results
Before removal:
Array
(
[a] => Dog
[b] => Cat
[ c] => Horse
)
After removing:
Array
(
[a] => Dog
[c] => Horse
)

The above introduces the implementation method of realizing self-worth in PHP by removing array elements according to specified element values, including the content of realizing self-worth. I hope it will be helpful to friends who are interested in PHP tutorials.