php按指定元素值去除数组元素的方法
?
//去除值为"Cat"的元素?
$a=array("a"=>"Dog","b"=>"Cat","c"=>"Horse");?
print_r($a);?
unset($a[array_search("Cat",$a)]);//array_search("Cat",$a)按元素值返回键名。去除后保持索引?
print_r($a);?
?>
查看array_search用法
显示结果
去除前：?
Array?
(?
[a] => Dog?
[b] => Cat?
[c] => Horse?
)
去除后：
Array?
(?
[a] => Dog?
[c] => Horse?
)?
