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Usage example of substr string interception function in php

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Release： 2016-07-25 08:58:46
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  2. //by bbs.it-home.org
  3. $rest = substr("abcdef", 1); // returns "bcdef"
  4. echo 'substr("abcdef", 1) returns ' . $rest . "
    ";
  5. $rest = substr("abcdef", 1, 3); // returns "bcd"
  6. echo 'substr("abcdef", 1, 3) returns ' . $rest . "
    ";
  7. $rest = substr("abcdef", -1); // returns "f"
  8. echo 'substr("abcdef", -1) returns ' . $rest . "
    ";
  9. $rest = substr("abcdef", -2); // returns "ef"
  10. echo 'substr("abcdef", -2) returns ' . $rest . "
    ";
  11. $rest = substr("abcdef", -3, 1); // returns "d"
  12. echo 'substr("abcdef", -3, 1) returns ' . $rest . "
    ";
  13. $rest = substr("abcdef", 1, -1); // returns "bcde"
  14. echo 'substr("abcdef", 1, -1) returns ' . $rest . "
    ";
  15. ?>
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更多内容，请参考php手册中的function.substr.html。



Related labels：
php中substr字符串截取函数的用法示例
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