PHPtrim()Function ❮ PHP String Reference ExampleGet your own PHP Server Remove characters from both sides of a string ("He" in "Hello" and "d!" in "World"): <?php $str ="Hello World!"; echo$str .""; echotrim($str,"Hed!"); ?> Try...
There is no Unicode-specific trim function in PHP at the time of writing (July 2023), but you can try some examples of trims using multibyte strings posted on the comments for the mbstring extension: https://www.php.net/manual/en/ref.mbstring.php +add a note...
trim函数的源代码师在php代码根目录开始的ext/standard/string.c 函数的定义如下: PHP_FUNCTION(trim) { php_do_trim(INTERNAL_FUNCTION_PARAM_PASSTHRU, 3); } 可以看到,定义调用了另外的函数,函数体如下: static void php_do_trim(INTERNAL_FUNCTION_PARAMETERS, int mode) { char *str; char *what = NUL...
PHP: Strip whitespace (or other characters) from the beginning and end of a string The trim() function is used to remove the white spaces and other predefined characters from the left and right sides of a string. Version: (PHP 4 and above) Syntax: trim(string_name, char_list) Parameters...
In your case, you could probably trim them when you set them from $_POST initially. $name = trim($_POST["name"]); $last_name = trim($_POST["last_name"]); Then you can check if there's anything left more simply: if ($name && $last_name) { empty isn't necessary because ...
原文链接:http://www.tiance.club/post/2735926554.html 封装方法 publicstaticfunctionmb_rtrim($string,$trim,$encoding){$mask= [];$trimLength=mb_strlen($trim,$encoding);for($i=0;$i<$trimLength;$i++) {$item=mb_substr($trim,$i,1,$encoding);$mask[] =$item; ...
functiontrim_ignore_chars($str,$ignore_chars= []){$start=0;$end=strlen($str) -1;// 删除开头的特定字符while($start<=$end&&in_array($str[$start],$ignore_chars)) {$start++; }// 删除结尾的特定字符while($end>=$start&&in_array($str[$end],$ignore_chars)) {$end--; ...
array(3) { [0]=> string(5) "apple" [1]=> string(7) "banana " [2]=> string(11) " cranberry " } array(3) { [0]=> string(5) "apple" [1]=> string(6) "banana" [2]=> string(9) "cranberry" } 注释¶ 注意:可能的问题:删除中间字符 ...
208===文件第207,208,209行代码如下=== public function get_field_id( $field_name ) { return 'widget-' . $this->id_base . '-' . $this->number . '-' . trim( str_replace( array( '[]', '[', ']' ), array( '', '
publicstaticfunctionmb_rtrim($string,$trim,$encoding){$mask=[];$trimLength=mb_strlen($trim,$encoding);for($i=0;$i<$trimLength;$i++){$item=mb_substr($trim,$i,1,$encoding);$mask[]=$item;}$len=mb_strlen($string,$encoding);if($len>0){$i=$len-1;do{$item=mb_substr($string,...