-
-
- //by bbs.it-home.org
- $rest = substr("abcdef", 1); // returns "bcdef"
- echo 'substr("abcdef", 1) returns ' . $rest . "
";
- $rest = substr("abcdef", 1, 3); // returns "bcd"
- echo 'substr("abcdef", 1, 3) returns ' . $rest . "
";
- $rest = substr("abcdef", -1); // returns "f"
- echo 'substr("abcdef", -1) returns ' . $rest . "
";
- $rest = substr("abcdef", -2); // returns "ef"
- echo 'substr("abcdef", -2) returns ' . $rest . "
";
- $rest = substr("abcdef", -3, 1); // returns "d"
- echo 'substr("abcdef", -3, 1) returns ' . $rest . "
";
- $rest = substr("abcdef", 1, -1); // returns "bcde"
- echo 'substr("abcdef", 1, -1) returns ' . $rest . "
";
- ?>
-
更多内容，请参考php手册中的function.substr.html。
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