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PHP在数组中将关键字替换为值_Php_Arrays_Replace_Filter - Fatal编程技术网

PHP在数组中将关键字替换为值

PHP在数组中将关键字替换为值,php,arrays,replace,filter,Php,Arrays,Replace,Filter,如何替换或过滤像str_ireplace这样的文本中的坏单词? 我需要在数组中将单词从key替换为value,但不使用foreach和explode 示例数组 $_filter = [ 'badwords' => [ 'one' => 'time', 'bad' => 'good', 'ugly' => 'beauty' ] ]; 示

如何替换或过滤像str_ireplace这样的文本中的坏单词? 我需要在数组中将单词从key替换为value,但不使用foreach和explode

示例数组

$_filter = [
  'badwords' => [
    'one'                   => 'time',
    'bad'                   => 'good',
    'ugly'                  => 'beauty'
  ]
];
示例替换

$before = 'anyone help me please';
$after  = 'anytime help me please';

$before = 'I need BaD function';
$after  = 'I need good function';

$before = 'I am so (ugly)';
$after  = 'I am so (beauty)';
尝试但不起作用。
任何人都可以帮我。谢谢

我会用一个简单的
str\u替换

<?php
  $search  = array('one', 'bad', 'ugly');
  $replace = array('time', 'good', 'beauty');
  $before = 'anyone help me please';
  echo str_replace($search, $replace, $before);
  $before = 'I need bad function';
  echo str_replace($search, $replace, $before);
  $before = 'I am so (ugly)';
  echo str_replace($search, $replace, $before);
函数str_ireplace()将根据其文档接受数组作为第一、第二和第三个参数:

使用函数array_keys(),可以从过滤器数组中获取所有键,并将它们作为第一个参数传递。然后只需将数组作为第二个参数传递,将字符串作为第三个参数传递

代码示例:

$filter = [
  'badwords' => [
    'one' => 'time',
    'bad' => 'good',
    'ugly' => 'beauty'
  ]
];

$before = 'anyone help me please';

$after = str_ireplace(array_keys($filter['badwords']), $filter['badwords'], $before);

echo $after;
您的输出将是:

anytime help me please

谢谢,数组_键是解决我问题的完美函数