php数组删除元素示例

<?php 
$arr = array('a','b','c','d'); 
unset($arr[1]); 
print_r($arr); 
?>

<?php 
$arr = range(5,10,4); 
print_r($arr);//<span style="font-family: Simsun;font-size:16px; ">Array ( [0] => 5 [1] => 6 [2] => 7 [3] => 8 [4] => 9 [5] => 10 )</span> 
 unset($arr[1]);//<span style="font-family: Simsun;font-size:16px; ">Array ( [0] => 5 [2] => 7 [3] => 8 [4] => 9 [5] => 10 )</span> 
print_r($arr); 
?>

$arr = array('a','b','c','d'); 
array_splice($arr,1,1); 
print_r($arr); // <span style="font-family: Simsun;font-size:16px; ">Array ( [0] => a [1] => c [2] => d )</span> 
?>