Php 将下划线替换为空格和数组中第一个大写字符
我有以下数组Php 将下划线替换为空格和数组中第一个大写字符,php,arrays,Php,Arrays,我有以下数组 $state = array("gujarat","andhra_pradesh","madhya_pradesh","uttar_pradesh"); 预期产出 $state = array("Gujarat","Andhra Pradesh","Madhya Pradesh","Uttar Pradesh"); 我想用大写的单词的第一个字符转换数组值,并用空格替换。所以我用这个循环来做,它按预期工作 foreach($states as &$state) {
$state = array("gujarat","andhra_pradesh","madhya_pradesh","uttar_pradesh");
预期产出
$state = array("Gujarat","Andhra Pradesh","Madhya Pradesh","Uttar Pradesh");
我想用大写的单词的第一个字符转换数组值,并用空格替换。所以我用这个循环来做,它按预期工作
foreach($states as &$state)
{
$state = str_replace("_"," ",$state);
$state = ucwords($state);
}
但我的问题是:是否有任何PHP函数可以根据我的要求转换整个数组?可以对数组的每个元素应用回调方法:
$state = array_map('makePretty', $state);
function makePretty($value)
{
$value= str_replace("_"," ",$value);
return ucwords($value);
}
您可以使用array\u map
功能
function modify($str) {
return ucwords(str_replace("_", " ", $str));
}
然后,只需按如下方式使用上述功能:
$states=array_map("modify", $old_states)
使用数组映射()
函数
<?php
function fun($s)
{
$val = str_replace("_"," ",$s);
return ucwords($val);
}
$state = array("gujarat","andhra_pradesh","madhya_pradesh","uttar_pradesh");
$result = array_map('fun',$state);
print_r($result);
?>
需要使用数组映射
函数,如
$state = array("gujarat","andhra_pradesh","madhya_pradesh","uttar_pradesh");
$state = array_map(upper, $state);
function upper($state){
return str_replace('_', ' ', ucwords($state));
}
print_r($state);// output Array ( [0] => Gujarat [1] => Andhra pradesh [2] => Madhya pradesh [3] => Uttar pradesh )
创建字符串替换函数,数组映射是另一种方法。你说它工作得很好,为什么要更改?@Ghost It working find withforeach
循环,但是我想short
代码来实现它好的,当然,下面的答案应该足够了你的代码也short
和sweet
,但是你迟到了。谢谢你喜欢这就够了。。快乐的编码实现了我的目的。但是你知道如何在Codeigniter OOPS的控制器中使用它吗$这个->函数名()?