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8 mar 2013 · array_map() applies a given callback to every value of an array and return the results as a new array. $array = array_map('trim', $array);
Trim in array_map change type if you have NULL in value. Better way to do it: $result = array_map(function($v){ return is_string($v)?trim($v):$v; }, $array);
The trim() function removes whitespace and other predefined characters from both sides of a string. Related functions: ltrim() - Removes whitespace or other predefined characters from the left side of a string; rtrim() - Removes whitespace or other predefined characters from the right side of a string
9 gru 2023 · Trimming a string to a specific length in PHP can be effectively accomplished using substr() for simple scenarios or mb_substr() for handling multibyte character encodings. This functionality is particularly useful in scenarios like preparing excerpts, summaries, or fitting text into limited display areas.
Here's a quick way to recursively trim every element of an array, useful after the file() function : <?php # Reads /etc/passwd file an trims newlines on each entry $aFileContent = file ("/etc/passwd"); foreach ($aFileContent as $sKey => $sValue) { $aFileContent [$sKey] = rtrim ($sValue); } print_r ($aFileContent); ?>
This function returns a string with whitespace stripped from the beginning and end of string. Without the second parameter, trim() will strip these characters: " " (ASCII 32 (0x20)), an ordinary space. "\t" (ASCII 9 (0x09)), a tab. "\n" (ASCII 10 (0x0A)), a new line (line feed). "\r" (ASCII 13 (0x0D)), a carriage return.
12 sty 2022 · In this article, you'll learn how to trim a string in Python using the .strip() method. You'll also see how to use the .lstrip() and .rstrip() methods, which are the counterparts to .strip() . Let's get started!
