How to use the trim character_mask 1

[Sam050507]

Hi,

Stupid question.

When I'm trimming strings, what is the use of the character_mask option?

I've Googled, but can't find a good example.

For instance, can I trim the ".00" part of 123.00 using that option?

Thanks

 

[sleipnir214]

trimming"? "character mask"?



Want the best answers? Ask the best questions! TANSTAAFL!

 

[jpadie]

For instance, can I trim the ".00" part of 123.00 using that option?

answer: yes, but i would not recommend it.

the charmask is a list of characters that get deleted if they are at the left or right of a string (depending on which of trim, ltrim and rtrim you use).

so

echo rtrim ("123.00", "0.");

will give you

 123

but

rtrim ("123.00.....", "0.");

will also yield the same result.

if you are looking to format numbers, use printf (or its variants) or number_format

i tend to use the trim functions for cleaning user input and for getting rid of trailing commas in assembled sql clauses.

 

[Sam050507]

I don't know why I couldn't figure that out.

Thanks very much, jpadie.