| Function Name |
Description |
| addcslashes() |
Returns a string with backslashes in front of the specified characters |
| addslashes() |
Returns a string with backslashes in front of predefined characters |
| bin2hex() |
Converts a string of ASCII characters to hexadecimal values |
| chop() |
Removes whitespace or other characters from the right end of a string |
| chr() |
Returns a character from a specified ASCII value |
| chunk_split() |
Splits a string into a series of smaller parts |
| crypt() |
One-way string encryption (hashing) |
| echo() |
Output one or more strings. |
| explode() |
Breaks a string into an array |
| fprintf() |
Writes a formatted string to a specified output stream |
| hex2bin() |
Converts a string of hexadecimal values to ASCII characters |
| htmlentities() |
Converts characters to HTML entities |
| implode() |
Returns a string from the elements of an array |
| join() |
Alias of implode() |
| lcfirst() |
Converts the first character of a string to lowercase |
| ltrim() |
Removes whitespace or other characters from the left side of a string |
| parse_str() |
Parses a query string into variables |
| print() |
Outputs one or more strings |
| printf() |
Outputs a formatted string |
| rtrim() |
Removes whitespace or other characters from the right side of a string |
| sprintf() |
Writes a formatted string to a variable |
| sscanf() |
Parses input from a string according to a format |
| str_replace() |
Replaces some characters in a string (case-sensitive) |
| str_split() |
Splits a string into an array |
| stripos() |
Returns the position of the first occurrence of a string inside another string (case-insensitive) |
| strlen() |
Returns the length of a string |
| strncmp() |
String comparison of the first n characters (case-sensitive) |
| strpos() |
Returns the position of the first occurrence of a string inside another string (case-sensitive) |
| strrchr() |
Finds the last occurrence of a string inside another string |
| strrev() |
Reverses a string |
| strripos() |
Finds the position of the last occurrence of a string inside another string (case-insensitive) |
| strrpos() |
Finds the position of the last occurrence of a string inside another string (case-sensitive) |
| strstr() |
Finds the first occurrence of a string inside another string (case-sensitive) |
| strtolower() |
Converts a string to lowercase letters |
| strtoupper() |
Converts a string to uppercase letters |
| trim() |
Removes whitespace or other characters from both sides of a string |
| ucfirst() |
Converts the first character of a string to uppercase |
| vprintf() |
Outputs a formatted string |
| vfprintf() |
Writes a formatted string to a specified output stream |
| vsprintf() |
Writes a formatted string to a variable |
| wordwrap() |
Wraps a string to a given number of characters |
