How to Replace a Portion of a String in PHP

定义和用法. substr_replace() 函数把字符串的一部分替换为另一个字符串。 注释：如果start 参数是负数且length 小于或者等于start，则length 为0。

If you want to remove a character by its position in the string, just use '' as the replacement string. $str = substr_replace($str,'',$pos,1);

The substr_replace() function is a built-in function in PHP and is used to replace a part of a string with another string. The index in the ...

substr_replace() replaces a copy of string delimited by the offset and (optionally) length parameters with the string given in replace.

This function returns a string or an array with all occurrences of search in subject replaced with the given replace value. Str_replace · Preg_replace · Substr_replace · Str_ireplace

定义和用法. substr_replace() 函数把字符串的一部分替换为另一个字符串。 注释：如果start 参数是负数且length 小于或者等于start，则length 为0。 注释：该函数是二进制安全 ...

The substr_replace() function replaces a part of a string with another string. Note: If the start parameter is a negative number and length is less than or ...

PHP substr_replace 函式可以用來將字串中的某的部分，用其他的字串替換掉，設計師可以設定要替換的新字串、要從哪個地方開始算起以及要替換的字串長度，在PHP 4.3.3 版本開始 ...