> -----Original Message----- > From: Kris Deugau [mailto:kdeugau@xxxxxxxxx] > Sent: Thursday, December 16, 2010 11:57 AM > To: php-general@xxxxxxxxxxxxx > Subject: String passed to object constructor turning into an instance of > that object? > > I'm in the process of migrating customer websites off an old legacy server > that's pushing EOL, and starting to show hardware failures. > > One site is throwing errors on what, so far as I can tell, should be perfectly > working code. > > The original code works fine on both CentOS 3 (PHP 4.3.2) and CentOS 4 > (4.3.9); the "new" server is still a bit outdated (Debian etch plus some > backports and updates from lenny; PHP 5.2.0). > > The site was designed by staff at a previous hosting company and uses a > combination of the Fusebox app framework (which seems to work OK, after > a few relatively minor fixes) and a custom OOP structure. > > I'm not really sure what the actual problem is, but I've reached the point > where this: > > > class SelectBoxOption extends Tag { > function SelectBoxOption($name, $value, $selected=false) { > parent::Tag("option", $name); > $this->addAttribute("value", $value); > if($selected) { > $this->addAttribute("selected", '', false); > } > if ($name == "") { echo " missing name!<br>\n"; } > // else { print " name $name<br>\n"; } > if ($value == "") { echo " missing value!<br>\n"; } > } > > > will parse and execute, but: > - the page will contain "missing value!" for each <option> in the > <select> this is generating > - it will *not* contain "missing name!" > - the <option> tags in the final output don't have content or value > (they should have both). > > If I uncomment that else, I get: > > > adding option <name1> with <value1> > name <value1> > > Catchable fatal error: Object of class SelectBoxOption could not be > converted to string in > <webroot>/includes/classes/core/display/form/input/SelectBoxOption.php > on line 12 > What's the actual line #12 in the file SelectBoxOption.php? The SelectBoxOption code you presented has 11 lines unless it's a CNP error. Regards, Tommy > > I found the place this object is created, and added some debugging > output before *and* after that call: > > > echo "adding option ".$row->$nameField." with ". > $row->$valueField."<br>\n"; > $this->add(new SelectBoxOption($row->$nameField, > $row->$valueField, $selected)); > echo "added option ".$row->$nameField." with ". > $row->$valueField."<br>\n"; > > > which behaves correctly and spits out the name and value (retrieved from > a database - thankfully I haven't had to track *that* down... yet). > > Can anyone explain why a string passed by value (apparently) would > suddenly mutate into a SelectBoxOption object? I've confirmed that this > is exactly what happens by adding this: > > > if (is_a($name,'SelectBoxOption')) { > print "name isn't a SelectBoxOption, silly rabbit!<br>\n"; > } > > > as the very next set of lines after "function SelectBoxOption(....". > > I wondered while typing this if $name and $value might have ended up as > special variables somewhere, but renaming them with an opt_ prefix > didn't change anything. > > -kgd > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
