php数组去除空值函数分享,php数组函数分享
对于一个一维的php数组,如何清除其中值为空的元素呢?直接的办法是foreach循环一下,一个个判断排除。不过这个方法还是略显复杂,下面分享一下今天看到的一个方法,非常简洁
复制代码 代码如下:
/**
* 方法库-数组去除空值
* @param string $num 数值
* @return string
*/
public function array_remove_empty(&$arr, $trim = true) {
if (!is_array($arr)) return false;
foreach($arr as $key => $value){
if (is_array($value)) {
self::array_remove_empty($arr[$key]);
} else {
$value = ($trim == true) ? trim($value) : $value;
if ($value == "") {
unset($arr[$key]);
} else {
$arr[$key] = $value;
}
}
}
}
是不是非常实用的函数呢,希望大家能够喜欢。

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