Specify a negative number as parameter three for the length : substr « String « PHP






  1. PHP
  2. String
  3. substr

Specify a negative number as parameter three for the length

 
<?
    $string = "Goodbye, Perl!";
    $a = substr($string, 5, 5);

    $b = substr($string, 5, -1);

    $c = substr($string, 0, -7);
?>








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