Php 搜索字符串并用数组替换单词';s值
其思想是在字符串中搜索特定的单词,并根据特定的数组将它们转换为其他单词。让我告诉你我的意思Php 搜索字符串并用数组替换单词';s值,php,arrays,string,Php,Arrays,String,其思想是在字符串中搜索特定的单词,并根据特定的数组将它们转换为其他单词。让我告诉你我的意思 $string = "hello buddy, I'm your friend or maybe a fellow"; 比如说,friends是一个脏话。我想把这个词改成我想要的。所以我做了这个: $swears = array( "friend" => "fri**d", "buddy" => "bu**y", "fellow" => "fe**ow" ); 我想根据
$string = "hello buddy, I'm your friend or maybe a fellow";
比如说,friends
是一个脏话。我想把这个词改成我想要的。所以我做了这个:
$swears = array(
"friend" => "fri**d",
"buddy" => "bu**y",
"fellow" => "fe**ow"
);
我想根据数组的键搜索字符串,并用它的值替换它。我在网上搜索过,得到的只是根据数组键替换数组中的一个值。所以在尝试之后,我想到了这个:
$string = "hello buddy, I'm your friend or maybe a fellow";
$swears = array(
"friend" => "fri**d",
"buddy" => "bu**y",
"fellow" => "fe**ow"
);
$foreach = $string;
foreach($swears as $bad => $good){
$foreach = str_replace($bad,$good,$foreach);
$filtered = $foreach;
}
echo $filtered;
我知道这是可行的,但有没有一种简单的方法让我觉得整个事情复杂化了。如果我很好,它是否可能会导致问题,如果我有大字符串,或者花时间处理它 可能提供搜索词的array
和替换词的array
:
<?php
$string = "hello buddy, I'm your friend or maybe a fellow";
$swears = array(
"friend" => "fri**d",
"buddy" => "bu**y",
"fellow" => "fe**ow"
);
echo str_replace(array_keys($swears), array_values($swears), $string);
?>
问题是您选择将单词和替换项作为键和值放在一个数组中。更简单的方法是使用2个索引数组
$words = array( 'friend', 'buddy', 'fellow' );
$replacements = array( 'fri**nd', 'bu**dy', 'fe**ow' );
$result = str_replace( $words, $replacements, $yourString );
这样,您就不必使用array\u键
隐式创建新数组
如果您绝对希望将搜索/替换存储在关联数组中,在这种情况下,不要使用str\u replace
和strtrtr
:
$swears = array(
"friend" => "fri**d",
"buddy" => "bu**y",
"fellow" => "fe**ow"
);
$filtered = strtr($string, $swears);
$swears = array(
"friend" => "fri**d",
"buddy" => "bu**y",
"fellow" => "fe**ow"
);
$filtered = strtr($string, $swears);