PHP funkce substr()
Dostupnost ve verzích: PHP 4.0
Return part of a string
Parametry
| Parametr | Datový typ | Výchozí hodnota | Poznámka |
|---|---|---|---|
$string |
string |
není | Zpracovávaný řetězec. |
$start |
int |
není | If start is non-negative, the returned string will start at the start'th position in string, counting from zero. For instance, in the string 'abcdef', the character at position 0 is 'a', the character at position 2 is 'c', and so forth. |
$length |
int |
null | If length is given and is positive, the string returned will contain at most length characters beginning from start (depending on the length of string). |
Návratové hodnoty
string
|bool the extracted part of string or false on failure.