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This article explains how the PHP trim() function removes leading and trailing whitespace from strings, demonstrates basic and advanced usage with code examples, and shows how to specify custom characters for more precise string cleaning.
This article explains PHP's trim() function, detailing how it removes leading and trailing whitespace or custom characters, describes its parameters and return value, and provides multiple code examples demonstrating default usage, custom character lists, and applying trim via array_walk.
This article presents five practical methods for eliminating unwanted whitespace between inline HTML elements, including writing markup on a single line, using font-size:0, applying negative margins, setting negative letter-spacing, and inserting HTML comments, each illustrated with example code and visual screenshots.