string substr ( string str, int start_pos [, int length] ) reads part of a string and takes a minimum of two parameters : substr « String « PHP






  1. PHP
  2. String
  3. substr

string substr ( string str, int start_pos [, int length] ) reads part of a string and takes a minimum of two parameters

 
<?
    $message = "Goodbye, Perl!";
    $a = substr($message, 1);

    $b = substr($message, 0);
    // $b contains the full string because we started at index 0

    $c = substr($message, 5);

    $d = substr($message, 50);

    $e = substr($message, 5, 4);

    $f = substr($message, 10, 1);
?>








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16.substr() function returns the part of the string between the start and start+length parameters.
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18.substr-3.php
19.substr.php
20.Specify a negative number as parameter three for the length
21.Using negative lengths allows you to say "copy everything but the last three characters,"
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