PHP str_replace tags with using arrays

Question

I have the following str_replace code which takes a given comment string and replaces any instances with a dot followed by [++] with the word He with a capital letter. Otherwise it replaces with he with no capital letters.

$comment = str_replace(array(". [++]","[++]"), array(". He","he"), $comment);

Although this works in most cases. It doesnt work if my comment string has [++] tag in the beginning of the sentence or if the tag is after a line break or two. It only works if the dot is next to the tag.

Any ideas how I can get it to replace with the capital He if its after a line break or the first tag in beginning of the comment string?

I don't see it, you need to show a string that doesn't work. — AbraCadaver
– AbraCadaver, Commented Jan 4, 2017 at 13:41

lndim · Accepted Answer · 2017-01-04 14:17:53Z

1

Try the preg_replace() function (http://php.net/manual/en/function.preg-replace.php):

$comment = preg_replace(
    array("~^\[\+\+\]~", "~(\.\s+)\[\+\+\]~", "~\[\+\+\]~"),
    array("He", "$1He", "he"),
    $comment
);

edited Jan 4, 2017 at 14:17

answered Jan 4, 2017 at 13:57

lndim

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2 Comments

Ahmed Over a year ago

thanks. But it's return a blank result. Seems to be emptying out the entire $comment string.

lndim Over a year ago

@Ahmed, I made an error in the second pattern. Now I've fixed it.

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