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Showing results for tags 'variables'.
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Hello Larry, First of all, I'm very glad I got your book. I'm re-learning PHP from scratch and I wished I had a book like yours in the early 2000s In chapter 6, handle_reg.php, I'm a bit troubled by the variable $age. $age should only exist within "if ($_POST['year'] < 2016) {...}" // Validate the year: if (is_numeric($_POST['year']) AND (strlen($_POST['year']) == 4)) { // Check that they were born before 2016 if ($_POST['year'] < 2016) { $age = 2016 - $_POST['year']; // Calculate age this year } else { print '<p class="e
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Hi Larry, I haven't been on the forum in a while - what I have learned from your books so far has kept me going nicely. But I needed to create a whole slew of PHP variables with similar names and came across the ability to create them dynamically. In case it is of interest to forum readers, here's my code (from a MySQL select result): while (list($var1, $var2, $var3, $var4) = mysqli_fetch_row($result)) { ${"title_" . $var1 . "_" . $var2} = $var3 . ", " . $var4; } This creates PHP variables of the form $title_n_m where 'n' will be the value of $var1 and 'm' will be the value of
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From the book: Create two different name variables, using the existing first- and last-name variables: $ name1 = '$ first_name $ last_name'; $ name2 = "$ first_name $ last_name"; Technically speaking-- why aren't $name1 and $name2 arrays? I keep telling myself that arrays are variables with two or more values.
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Version 0.5 Page 125 Larry, please provide and example to show us how this would work: "{TIP} Most of the time you use renderPartial() within one view file, you’ll want to pass along the variables it received to the other view file." Thanks.
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