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array_splice() 增删改查操作
forever浅笑
Original
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1、在武汉前添加合肥

实例

<?php
$city = ['重庆', '武汉', '上海', '北京', '郑州','广州'];
array_splice($city,1,0,'合肥');
print_r($city);
echo '<hr>';
?>

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2、删除上海北京  


实例

<?php
$city2 = ['重庆', '武汉', '上海', '北京', '郑州','广州'];
array_splice($city2,2,2);
print_r($city2);
echo '<hr>';
?>

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3、把北京郑州改为挂林和成都 


实例

<?php
$city3 = ['重庆', '武汉', '上海', '北京', '郑州','广州'];
array_splice($city3,3,2,['挂林','成都']);
print_r($city3);
echo '<hr>';
?>

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4、获取武汉,上海和北京


实例

<?php
$city4 = ['重庆', '武汉', '上海', '北京', '郑州','广州'];
print_r(array_splice($city4,1,3));
?>

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