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This article explains PHP's trim() function, its syntax and parameters, and provides clear code examples showing how to remove surrounding whitespace or custom characters from strings, while also mentioning related ltrim() and rtrim() functions for one‑sided trimming.
This article explains the PHP rtrim() function, its syntax, optional character mask, and provides multiple code examples demonstrating how to remove trailing whitespace and specific characters, along with important usage notes and a concise summary.
This article explains the PHP rtrim() function, describing how it removes trailing whitespace or specified characters from a string, detailing its parameters and return value, and providing multiple code examples that demonstrate typical usage and edge‑case handling.
This article explains PHP's rtrim() function, detailing its syntax, parameters, default characters removed, and provides multiple code examples demonstrating how to trim whitespace, custom character masks, and ASCII control characters from the end of strings.