php 在 PHP5 中用多个/不同的值搜索和替换多个值？
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Search and replace multiple values with multiple/different values in PHP5?
提问by atomicharri
Is there an inbuilt PHP function to replace multiple values inside a string with an array that dictates exactly what is replaced with what?
是否有一个内置的 PHP 函数可以用一个数组替换字符串中的多个值，该数组确切地指示用什么替换什么？
For example:
例如：
$searchreplace_array = Array('blah' => 'bleh', 'blarh' => 'blerh');
$string = 'blah blarh bleh bleh blarh';
And the resulting would be: 'bleh blerh bleh bleh blerh'.
结果将是：'bleh bleh bleh bleh bleh'。
回答by lpfavreau
You are looking for str_replace().
您正在寻找str_replace().
$string = 'blah blarh bleh bleh blarh';
$result = str_replace(
array('blah', 'blarh'),
array('bleh', 'blerh'),
$string
);
// Additional tip:
// 额外提示：
And if you are stuck with an associative array like in your example, you can split it up like that:
如果您像示例中那样使用关联数组，则可以将其拆分如下：
$searchReplaceArray = array(
'blah' => 'bleh',
'blarh' => 'blerh'
);
$result = str_replace(
array_keys($searchReplaceArray),
array_values($searchReplaceArray),
$string
);
回答by nithi
回答by T.Adak
IN CASE some one is looking for replacing same strings with different values ( per occurence ).. Example, to replace all ##by numbers++ OR values from an array-
万一有人想用不同的值（每次出现）替换相同的字符串。例如，用数字++或数组中的值替换所有## -
$split_at = '##';
$string = "AA ## BB ## CC ## DD";
$new_string = '';
// echo $string;
$replace_num = 1;
$replace_arr = ['first' , 'second' , 'third'];
$split_at_cnt = substr_count($string, $split_at);
for ($split=0; $split <= $split_at_cnt; $split++)
{
$new_string .= str_replace('##', ($replace_num++)." : ".$replace_arr[$split], substr( $string, 0, strpos($string, $split_at)+strlen($split_at)));
$string = substr($string, strpos($string, $split_at)+strlen($split_at));
}
echo $new_string;
回答by chaos
回答by chaos
For what you've got there, just pass that array into str_replaceas both the search and replace (using array_keyson the search parameter if you want to keep the array as-is).
对于您所拥有的内容，只需将该数组str_replace作为搜索和替换传递给（array_keys如果您想保持数组原样，则在搜索参数上使用）。
