how to substitute last character

[aeav]

I want to substitute the last character of a string, but I don´t know what´s the last character then how can I substitute it I don´t know the last word or character? I´m using PHP....


Can somebody help-me?


Thank you

[sharth]

substr(someString, 0, -1);

[aeav]

it works!
thank you!!