Method 3: Using preg_replace() in PHP In addition to the above examples, you can also replace the string characters using thepreg_replace(). The function takes three arguments in which the first argument is the
function safe_replace($string) { $string = str_replace('%20','',$string); $string = str_replace('%27','',$string); $string = str_replace('%2527','',$string); $string = str_replace('*','',$string); $string = str_replace('"','"',$string); $string = str_replace(...
Yet another new memory manager Many improvements in VM executor Significantly reduced memory usage Improved __call() and __callStatic() functions Improved string concatenation Improved character searching in strings PHP 7.1 New SSA based optimization framework (embedded into opcache) Global optimization of...
The dollar sign$has also a special meaning in PHP; it denotes a variable. If a variable is used inside a string, it is interpolated, i.e. the value of the variable is used. To echo a variable name, we escape the$character\$. PHP string functions PHP has a large number of useful ...
array_change_key_case() 函数将数组的所有的 KEY 都转换为大写或小写。 array() 创建数组,带有键和值。如果在规定数组时省略了键,则生成一个整数键,这个 key 从 0 开始,然后以 1 进行递增。 end(); usleep() 函数延迟代码执行若干微秒。 unpack() 函数从二进制字符串对数据进行解包。
As an effort to remove those Word copy and paste smart quotes, I've found that this works with UTF8 encoded strings (where $text in the following example is UTF8). Also the elipsis and em and en dashes are replaced.There is an "invisible" character after the †for the right sid...
// Transform the string in some way with a multibyte function // Note how we cut the string at a non-Ascii character for demonstration purposes $string = mb_substr($string, 0, 15); // Connect to a database to store the transformed string // See the PDO example in this document for...
mysql_real_escape_string() 调用mysql 库的函数 mysql_real_escape_string, 在以下字符前添加反斜线:\x00、\n、\r、\、'、" 和\x1a. 在向MySQL 发送查询之前,必须始终(有少数例外)使用此函数来确保数据的安全。 警告 安全: 默认字符集 The character set must be set either at the server level, ...
dev_t st_rdev deviceID(iffile is character or block special)off_t st_size file sizeinbytes(iffile is a regular file)time_t st_atime timeoflast access time_t st_mtime timeoflast data modification time_t st_ctime timeoflast status change ...