Replacing words in a string

[Warren Oates]

If I have a textfile of words, each word on one line:

dog
cat
viagra

for instance, and I get them into an array, how then can I replace those
words in a string with something else:

"The quick dog took viagra and the lazy cat was unhappy."

I want it to say:

"The quick ### took ### and the lazy ### was unhappy."

I've been banging my head against this, with foreach (both forms) and
rtrim, and preg_replace, and str_replace, and I can't get it to replace.

I don't need to see code, just a general "algorithm" would be useful.

Thanks.
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[jrf[no]]

Warren Oates wrote:

If I have a textfile of words, each word on one line:

dog
cat
viagra

for instance, and I get them into an array, how then can I replace those
words in a string with something else:

"The quick dog took viagra and the lazy cat was unhappy."

I want it to say:

"The quick ### took ### and the lazy ### was unhappy."

I've been banging my head against this, with foreach (both forms) and
rtrim, and preg_replace, and str_replace, and I can't get it to replace.

I don't need to see code, just a general "algorithm" would be useful.

Thanks.

foreach ($badwordsarray as $val) {
str_replace ("$val" , "###", $sentence);
}

I think that would do the trick...

[Pedro Graca]

Warren Oates wrote:
<snip>

"The quick dog took viagra and the lazy cat was unhappy."

I want it to say:

"The quick ### took ### and the lazy ### was unhappy." <snip> I don't need to see code, just a general "algorithm" would be useful.

Sorry, but you really do not need an algorithm:
str_replace() can take an array for a parameter.

$x = str_replace(
array("dog", "cat", "viagra"),
"###",
"The quick dog took viagra and the lazy cat was unhappy.");
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