PHP 删除数组元素并重新索引

要删除数组元素并重新索引数组，代码如下-

示例

<?php $arr = array( " John ", "Jacob ", " Tom ", " Tim "); echo "具有前导和尾随空格的数组...\n"; foreach( $arr as $value ) { echo "Value = $value \n"; } echo "\n逗号分隔列表...\n"; print_r(implode(, , $arr)); $result = array_map(trim, $arr); echo "\n更新后的数组...\n"; foreach( $result as $value ) { echo "Value = $value \n"; } unset($result[1]); echo "\n更新后的数组...已重新索引\n"; $result2 = array_values($result); foreach( $result2 as $value ) { echo "Value = $value \n"; } ?>

输出结果

具有前导和尾随空格的数组... Value = John Value = Jacob Value = Tom Value = Tim 逗号分隔列表... John , Jacob , Tom , Tim 更新后的数组... Value = John Value = Jacob Value = Tom Value = Tim 更新后的数组...已重新索引 Value = John Value = Tom Value = Tim