php trim array

[PHP source code reading] trim, rtrim, and ltrim functions trim series functions are used to remove spaces or other characters at the beginning and end of a string. The ltrim function removes only the first character of the string. the rtrim

The Trim series function is used to remove whitespace or other characters from the end of a string. The LTrim function only removes characters from the string header, and the RTrim function only strips the characters at the end of the string.Trim

Php array tool Class PHP two-dimensional array deduplication function & lt ;? Phpfunctionunique_array_2d ($ array2D, $ stkeepfalse, $ ndformattrue) {judge whether to retain the primary array key (the primary array key can be non-numeric) if ($

PHP array Operation class instance, PHP array instance The examples in this article describe the PHP array manipulation classes. Share to everyone for your reference. Specific as follows: Class arrayhelper{/** * Remove blank elements from the array

PHP array operation class instance, php array instance This example describes the PHP array operation class. Share it with you for your reference. The details are as follows: Class ArrayHelper {/*** Delete blank elements from the array (including

This article mainly introduces the PHP array operation class, which involves php operations related to array deletion, conversion, grouping, sorting, and so on. it has some reference value, for more information about PHP array operations, see the

This example describes the PHP array action class. Share to everyone for your reference. as follows: Class arrayhelper{/** * Remove whitespace elements from an array (including elements with only whitespace characters) * Usage: * @code php *

This article mainly introduces the PHP array operation class, which involves php operations related to array deletion, conversion, grouping, sorting, and so on. It has some reference value. If you need it, you can refer This article mainly

PHP code for php Array Operations Class ArrayHelper {/*** delete blank elements from the array (including elements with only blank characters) ** usage: * @ code php * $ arr = array ('', 'test', ''); * ArrayHelper: removeEmpty ($ arr); ** dump ($

Run the following code: $tag = "Internet products,"; $text = RTrim ($tag, ",");p Rint_r ($text); The result we might expect to get is 互联网产品 that the actual result is 互联网产� . Why is that? Science The prefixes used in PHP are mb_ multibyte function