PHP implementation method to remove array elements according to specified element value_PHP tutorial

Remove array elements by specified element value

Copy code The code is as follows:

//Remove value The element of "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 removal:

Array
(
[a] => Dog
[c] => Horse
)

http://www.bkjia.com/PHPjc/324435.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/324435.htmlTechArticleRemove array elements according to the specified element value. Copy the code. The code is as follows: ?php //Remove elements with the value "Cat" $a=array("a"="Dog","b"="Cat","c"="Horse"); print_r($a); unset($a[array_search("Cat"...