CODEWITHSUNDEEP
phpregextrim
GGio
GGio

Reputation: 7653

PHP trim/rtrim/ltrim VS Regular expression

I tend to use rtrim, ltrim and trim to strip off spaces at the end, left or right. I also use them to strip off the characters at the end or the beginning of the string. Is it faster than a regular expression? Is there anything wrong with the following code?

 $string = " hello: ";
 $string = rtrim(trim($string), ":"); //hello

Would it make any difference if I were to use a regular expression in terms of performance?

Upvotes: 3

Views: 2888

Answers (1)

Ja͢ck
Ja͢ck

Reputation: 173662

Regular expressions usually make things slower, especially applied to such small strings, due to the expression analysis overhead.

Assuming that a colon would never appear on the left side, you could eliminate the rtrim():

$string = trim($string, ": "); // trim either space or colon on either side

Upvotes: 3

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