PHP function substr()
Availability in PHP 4.0
Return part of a string
Parameters
| Parameter | Data type | Default value | Note |
|---|---|---|---|
$string |
string |
not | String being processed. |
$start |
int |
not | If start is non-negative, the returned string will start at the start'th position in string, counting from zero. For example, in the string 'abcdef', the character at position 0 is 'a', the character at position 2 is 'c', and so on. |
$length |
int |
null | If length is given and is positive, the string returned will contain at most length characters starting from start (depending on the length of string). |
Return values
string
|bool the extracted part of string or false on failure.