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Full demo - web helper functions
Generating CSS through PHP example from a Well House Consultants training course
More on Generating CSS through PHP [link] Source code: stdsess.inc Module: H118
<?php
function check_an_alpha($fname) { global $error; $retstr = ""; if (! ereg('[[:alpha:]]',$_POST[$fname])) { $error = 1; $retstr = "Must contain a letter"; } return $retstr; } function check_an_email($fname) { global $error; $retstr = ""; if (! ereg('[[:graph:]]@[[:graph:]]',$_POST[$fname])) { $error = 1; $retstr = "No @ - not an email"; } return $retstr; } function check_an_month($fname){ global $error; $retstr = ""; if (! eregi( '^(jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec)' ,$_POST[vval])) { $error = 1; $retstr = "First 3 chars of month name not correct"; } return $retstr; } function makeform($fields) { $form = "<form method=POST><table border=1>"; $form .= "<input name=update_completed type=hidden value=1>"; foreach ($fields as $item) { $form .= makeformrow($item); } $form .= "<tr><td> </td><td><input type=submit></td></tr>"; $form .= "</table></form>"; return $form; } function makeformrow($stuff) { // PROMPT ON THE LEFT if ($stuff[3]) { $errstring = "<br><font color=red>$stuff[3]</font>"; } else { $errstring = ""; } if ($stuff[size]) { $size = "size=$stuff[size]"; } $string = "<tr><td>".htmlspecialchars($stuff[1]). "$errstring</td>"; // AND ON THE RIGHT ... // PULLDOWN if ($stuff[type] == "pulldown") { $string .= "<td><select name='". $stuff[0]."'>"; if (is_array($stuff[options])) { foreach ($stuff[options] as $menuitem) { $string .= "<option value=$menuitem[0]>". $menuitem[1]; } } else { $options = explode("|",$stuff[options]); foreach ($options as $maybe) { $string .= "<option value=$maybe>$maybe"; } } $string .= "</select></td></tr>"; // or TEXTAREA } elseif ($stuff[type] == "textarea") { $string .= "<td><textarea rows=15 cols=60 name=\"". $stuff[0]."\">". htmlentities(stripslashes($stuff[2])). "</textarea></td></tr>"; // or REGULAR INPUT } else { $string .= "<td>". "<input name='". $stuff[0]. "' value=\"". htmlentities(stripslashes($stuff[2])). "\" $size></td></tr>"; } return $string; } ?> Learn about this subject
This module and example are covered on the following public courses:
* Learning to program in PHP * PHP Programming Also available on on site courses for larger groups Books covering this topic
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