Differences

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--- docs:tips_n_tricks:php.html [08.03.2012 10:04 CET] – peter
+++ docs:tips_n_tricks:php.html [08.03.2012 10:23 CET] (current) – peter
@@ Line 87: / Line 87: @@
     print '+-----------' ;
     print "+\n";
+or
+  <?
+    print "PHP Version is ".phpversion()."\n";
+    print '+-------------------';
+    print '+-----------' ;
+    print '+-----------' ;
+    print "+\n";
+    print '| value             ';
+    print '| isset()   ' ;
+    print '| empty()   ' ;
+    print "|\n";
+    print '+-------------------';
+    print '+-----------' ;
+    print '+-----------' ;
+    print "+\n";
+    printf('| $foobar   %-7s | %-9s | %-9s |'."\n",''       ,(isset($foobar) ? '' : 'not ').'set',(empty($foobar) ? '' : 'not ').'empty' );
+    $foobar = 0;
+    printf('| $foobar = %-7s | %-9s | %-9s |'."\n",'0'      ,(isset($foobar) ? '' : 'not ').'set',(empty($foobar) ? '' : 'not ').'empty' );
+    $foobar = "";
+    printf('| $foobar = %-7s | %-9s | %-9s |'."\n",'""'     ,(isset($foobar) ? '' : 'not ').'set',(empty($foobar) ? '' : 'not ').'empty' );
+    $foobar = 42;
+    printf('| $foobar = %-7s | %-9s | %-9s |'."\n",'42'     ,(isset($foobar) ? '' : 'not ').'set',(empty($foobar) ? '' : 'not ').'empty' );
+      $foobar = "42";
+    printf('| $foobar = %-7s | %-9s | %-9s |'."\n",'"42"'   ,(isset($foobar) ? '' : 'not ').'set',(empty($foobar) ? '' : 'not ').'empty' );
+    $foobar = "x";
+    printf('| $foobar = %-7s | %-9s | %-9s |'."\n",'"x"'    ,(isset($foobar) ? '' : 'not ').'set',(empty($foobar) ? '' : 'not ').'empty' );
+    $foobar = array();
+    printf('| $foobar = %-7s | %-9s | %-9s |'."\n",'array()',(isset($foobar) ? '' : 'not ').'set',(empty($foobar) ? '' : 'not ').'empty' );
+    $foobar = NULL;
+    printf('| $foobar = %-7s | %-9s | %-9s |'."\n",'NULL'   ,(isset($foobar) ? '' : 'not ').'set',(empty($foobar) ? '' : 'not ').'empty' );
+    print '+-------------------';
+    print '+-----------' ;
+    print '+-----------' ;
+    print "+\n";