Php删除数组元素
代码示例
php按值删除元素
$colors = array("blue","green","red");
//delete element in array by value "green"
if (($key = array_search("green", $colors)) !== false) {
unset($colors[$key]);
}php删除数组元素
//Delete array items with unset(no re-index) or array_splice(re-index)
$colors = array("red","blue","green");
unset($colors[1]);//remove second element, do not re-index array
$colors = array("red","blue","green");
array_splice($colors, 1, 1); //remove second element, re-index arrayPhp中从数组中删除元素
$array = [0 => "a", 1 => "b", 2 => "c"];
unset($array[1]); //Key which you want to delete
/*
$array:
[
[0] => a
[2] => c
]
*/
//OR
$array = [0 => "a", 1 => "b", 2 => "c"];
array_splice($array, 1, 1);//Offset which you want to delet
/*
$array:
[
[0] => a
[1] => c
]
*/php从数组中删除元素
$arr = array('a' => 1, 'b' => 2, 'c' => 3);
unset($arr['b']);
// RESULT: array('a' => 1, 'c' => 3)
$arr = array(1, 2, 3);
array_splice($arr, 1, 1);
// RESULT: array(0 => 1, 1 => 3)类似页面
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