PHP: Replace text within a portion of a string The substr_replace() function is used to replace a part of a string with another string. Version: (PHP 4 and above) Syntax: substr_replace(string_name, replacement_string, start_pos, length) Parameters: Return value: The result string is re...
$text = str_replace('[','[',$text); $text = str_replace(']',']',$text); $text = str_replace('|','|',$text); //过滤换行符 $text = preg_replace('/ ? /','',$text); //b $text = preg_replace('//i','[br]',$text); $text = preg_replace('/([...
while(preg_match('/([[^[]]*=s*)("|')([^2=[]]+)2([^[]]*])/i',$text,$mat)){ $text=str_replace($mat[0],$mat[1].'|'.$mat[3].'|'.$mat[4],$text); } //空属性转换 $text = str_replace(''','||',$text); $text = str_replace('""','||',$text); //过滤...
for the program to pass all of the information in the textarea as a string. I could either A) remove all new lines or B) replace them with a special string that would be like a 'code word' for 'i'm a new line' so
; $newText = preg_replace('/world/', 'PHP', $text); echo $newText; // 输出: Hello, PHP! // 使用回调函数进行替换 $text = "Date: 2023-04-30"; $newText = preg_replace_callback('/(\d{4})-(\d{2})-(\d{2})/', function($matches) { return date('F j, Y', strtotime(...
<?php// 赋值: $bodytag = str_replace("%body%", "black", "");// 赋值: Hll Wrld f PHP$vowels = array("a", "e", "i", "o", "u", "A", "E", "I", "O", "U");$onlyconsonants = str_replace($vowels, "", "Hello World of PHP");// 赋值: You should eat pizza, ...
<?php $text=ereg_replace("[[:alpha:]]+://[^<>[:space:]]+[[:alnum:]/]", "\\0",$text); ?> Tip preg_replace()函数使用了 Perl 兼容正则表达式语法,通常是比ereg_replace()更快的替代方案。 参见ereg(),eregi(),eregi_replace(),str_replace()和preg_match()。 User Contributed Notes23...
return $text; } ?> <?php function RemoveXSS($val) { // remove all non-printable characters. CR(0a) and LF(0b) and TAB(9) are allowed // this prevents some character re-spacing such as <javascript> // note that you have to handle splits with , , and later since they *are* ...
Here is how to replace all instances of a string in WordPress. Just add the following code to your theme’sfunctions.phpfile: PHP functionreplace_text($text){$text=str_replace('look-for-this-string','replace-with-this-string',$text);$text=str_replace('look-for-that-string','replace-wi...
/e修正符使preg_replace()将replacement参数当作 PHP 代码(在适当的逆向引用替换完之后)。提示:要确保replacement构成一个合法的 PHP 代码字符串,否则 PHP 会在报告在包含preg_replace()的行中出现语法解析错误。 例子3. 替换数个值 <?php $patterns= array ("/(19|20)(\d{2})-(\d{1,2})-(\d{1,2...