Mittwoch 28. of Feber 2007 01:021 Basic : reference

===example reference===  $a = 10;  $b = &$a;  $a = 20;  echo $b;   // outputs 20

the example in the book is wrong

Mittwoch 28. of Feber 2007 01:025 Basic : backtick

backtick    $a = `ls -l *.php`;    echo $a;

    $a = `locate rl_invoice`;    echo $a;

OUTPUT

ls -l *.php:-rwxrw---- 1 apache apache 151 Feb 28 06:47 21.php:-rwxrw----...