02. Functions

Von: Rainer Langheiter

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

the example in the book is wrong

----
===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---- 1 apache apache 332 Feb 28 08:54 25.php

locate rl_invoice
:/home.ori/rainer/#kunden/#FiloSoFisch/rl_invoice.pdf
:/home.ori/html/langh/edv.langheiter.com/uploads/media/install_rl_invoice.txt
:/home.ori/html/langh/edv.langheiter.com/uploads/media/rl_invoice.zip

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