Christos Pechlevanoudis • 2/28/2023

Using trim/ltrim/rtrim php functions with 2 parameters may cause unexpected outputs

This technical article details a common pitfall in PHP: using trim(), ltrim(), and rtrim() with two parameters can produce unexpected results because the second parameter is a character mask, not a literal string. It demonstrates the issue with examples and offers custom functions as a reliable alternative to correctly trim specific substrings from the start, end, or both sides of a string.

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#string manipulation #php #Trim Functions