): string|array 该函数返回字符串或者数组。该字符串或数组是将 subject 中全部的 search 都被replace 替换之后的结果。 要根据模式而不是固定字符串替换文本,使用 preg_replace()。 参数 如果search 和replace 为数组,那么 str_replace() 将对subject 做二者的映射替换。如果 replace 的值的个数少于 search ...
For all the examples in this article, we'll be using the following string to replace the first occurrence of foo: $str = 'foobar foobaz fooqux'; Can I Use str_replace() to Replace Only the First Match? By default, PHP's str_replace(), replaces all occurrences of a match; an...
str_replace— 子字符串替换 说明 mixed str_replace ( mixed $search , mixed $replace , mixed $subject [, int &$count ] ) 该函数返回一个字符串或者数组。该字符串或数组是将 subject 中全部的 search 都被replace 替换之后的结果。 如果没有一些特殊的替换需求(比如正则表达式),你应该使用该函数替换...
str_ireplace — str_replace 的忽略大小写版本 str_pad — 使用另一个字符串填充字符串为指定长度 str_repeat — 重复一个字符串 str_replace — 子字符串替换 str_rot13 — 对字符串执行 ROT13 转换 str_shuffle — 随机打乱一个字符串 str_split — 将字符串转换为数组 str_word_count — 返回字符串中...
//replace every nth occurrence of $needle with $repl, starting from any position function str_replace_int($needle, $repl, $haystack, $interval, $first=1, $pos=0) { if ($pos >= strlen($haystack) or substr_count($haystack, $needle, $pos) < $first) return $haystack; $firstpos = ...
str_replace replaces all occurrences of a given string by the replacement string. substr extracts the string contained between the positions specified by parameters, with the first character being at position 0. strpos shows the position of the first occurrence of the given string. It returns ...
str_replace():使用一个字符串替换字符串中的另一些字符 字符串计算 strlen():取得字符串的长度 strpos():定位字符串第一次出现的位置 strrpos():定位字符串最后一次出现的位置 字符串 XHTML 格式化显示 nl2br():将换行符 n 转换成 XHTML 换行符 htmlspecial...
str_split() Splits a string into an array. str_word_count() Counts the number of words in a string. strcasecmp() Binary safe comparison of two string (case-insensitive). strchr() Finds the first occurrence of a string inside another string. Alias of strstr() function. strcmp() Binary ...
programming toolbox is the ability to quickly replace parts of a PHP string with new values. Thestr_replacefunction is similar to a word processor's "Replace All" command that lets you specify a word and what to replace it with, then replaces every occurrence of that word in the document...
$name = str_replace(' ', '-', ucwords(str_replace('-', ' ', $name))); // set replace for first occurrence of header but false afterwards to allow multiple $replace = true; foreach ($values as $value) { //主要就是调用了PHP的header()函数 ...