[FX.php List] Creating Reusable Code
Gjermund Gusland Thorsen
ggt667 at gmail.com
Sun Sep 10 04:31:48 MDT 2006
Hmm my forms have 4 different field arrays
<input name="s[fieldname]" value="">
<input name="p[fieldname]" value="">
<input name="k[fieldname]" value=""> or <input name="s[-recid]" value="">
<input name="a" value="Add">
s = submittable
p = parsing required
k = key
a = action
ggt667
On 9/10/06, Jonathan Schwartz <jonathan at eschwartz.com> wrote:
> Oh! OK. I get it.
>
> The foreach (loop?) walks the first array and uses the built in $key.
> Then, at the same time, you grab the value from the other arrays
> using the $key from the first array. No need to do the foreach for
> every array. That makes sense. And it works.
>
> By the way, I was able to get the hybrid Andy/Dan script to work just
> before receiving your last email, using the counter. The counter
> doesn't hurt, but it isn't needed in this case either. Just had to
> start the counter at "0", not "1", to accomodate the way the arrays
> work. ;-)
>
> So now, with this enhancement, I've managed to separate the data from
> the script almost completely. No I can re-purpose the script for new
> projects and have it working in minutes...not days.
>
> That's a good thing. ;-)
>
> Thanks very much folks.
>
> I assume that this is the natural and desired progression of things
> in order to do better and more efficient work?
>
> Jonathan
>
>
>
> At 9:33 PM -0400 9/9/06, Andy Gaunt wrote:
> >Jonathon,
> >
> >Close.
> >
> >Try this instead.
> >
> ><?php
> > $fieldnames = array('A', 'B','J');
> > $fieldwidths = array('5', '10','5');
> > $fieldlabels = array('this', 'that','the_other');
> >
> >?>
> ><tr>
> ><?php
> >foreach ($fieldnames as $key=>$fieldname)
> >{
> > echo '<td><input name="'.$fieldname.'" size="'.$fieldwidths[$key].'"
> >id="'.$fieldlabels[$key].'" >';
> >} echo '</td>'; ?>
> > </tr>
> >
> >
> >As Dan pointed out, simple arrays have number keys, so while using a single
> >foreach loop on one array can yield values from any other arrays (as long as
> >the values are matched correctly).
> >
> >Here the $key is the numeric value of the position in the array, so you
> >don't even need a counter variable.
> >
> >HTH
> >
> >Andy Gaunt
> >Office: 321.206.3658
> >Mobile: 407.810.4722
> >andy at fmpug.com
> >http://www.fmpug.com
> >
> >2006 FileMaker Excellence Award Winner
> >Recipient of FileMaker's 2005 "Mad Dog" Public Relations Award
> >
> >For chapter locations, dates & times please visit the website at
> >http://www.fmpug.com If you can make it to a meeting, please RSVP at
> >http://www.fmpug.com/rsvp.php
> >
> >
> >-----Original Message-----
> >From: fx.php_list-bounces at mail.iviking.org
> >[mailto:fx.php_list-bounces at mail.iviking.org] On Behalf Of Jonathan Schwartz
> >Sent: Saturday, September 09, 2006 9:06 PM
> >To: FX.php Discussion List
> >Subject: Re: [FX.php List] Creating Reusable Code
> >
> >Hmmmm...
> >
> >So I'm asking classic questions now. I like the sound of that. Other
> >have a different name for that. ;-)
> >
> >HOWEVER....I don't see how your example will allow me to pull the
> >values out of several arrays at a time to compose the single (input)
> >field I need. There's no mention of the second and third arrays.
> >
> >Let me think out loud...
> >
> >I have multiple arrays, each with 10 values:
> > $fieldnames = array('A', 'B',...'J');
> > $fieldwidths = array('5', '10',...'5');
> > $fieldlabels = array('this', that',... 'the_other');
> >
> >I need to construct the following 10 input tags in html:
> > <input name="A" size="5" id="this type="text">
> > <input name="B" size="10" id="that" type="text">
> > ...
> > <input name="J" size="5" id="the_other" type="text">
> >
> >
> >If I go back to Andy Gaunt's suggestion, but insert your array suggestion...
> >
> ><?php
> >echo '<tr class="ver10" valign="top">';
> >$total = 10;
> >$counter = 1;
> >while ($counter <= $total) {
> > echo '<td><input name="'$fieldnames[$ counter].'" type="text"
> >id="'.$fieldlabels[$ counter].'" size="'.$fieldwidths[$ counter].'"></td>';
> > $ counter ++;
> >}
> >echo '</tr>';
> >?>
> >
> >Does this work, in principle? I'm sure that the syntax is off.
> >
> >Jonathan
> >
> >
> >
> >At 8:37 PM -0400 9/9/06, DC wrote:
> >>right, great question!
> >>
> >>that's a classic array usage question. you have to use the numeric
> >>keys that come along for free in every simple array (associative
> >>arrrays are arrays where the keys are 'named') or you can use
> >>external counter variables to keep the multiple arrays in sync on
> >>output if keys are not available.
> >>
> >><tr>
> >><? foreach {
> >>($fieldnames as $key=>$fieldname);
> >>echo '<td><input name="'.$fieldname.'" size="'.$fieldwidth[$key].'" >';
> > >}
> >>echo '></td>';
> >>?>
> >></tr>
> >>
> >>cheers,
> >>dan
> >>
> >>On Sep 9, 2006, at 8:02 PM, Jonathan Schwartz wrote:
> >>
> >>>Dan,
> >>>
> >>>Thanks for the tip.
> > >>
> >>>I switched over to creating arrays to hold the 10 values in 2 categories.
> >>>
> >>>And while I was able to use your suggested script to echo out the
> >>>values in the first array, my success quickly went down the tubes
> >>>when trying to repeat that process for the other three arrays,
> >>>while attempting insert the values into a single line.
> >>>
> >>>I know this is wrong, but this is my last attempt before I ran out
> >>>of patience:
> >>>
> >>><tr>
> >>><? foreach {
> >>>($fieldnames as $fieldname);
> >>>($fieldwidths as $fieldwidth);
> >>>echo '<td><input name="'.$fieldname.'" size="'.$fieldwidth.'" >';
> >>>}
> >>>echo '></td>';
> >>>?>
> >>></tr>
> >>>
> >>>In short, I'm looking to extract the first value from each array
> >>>for the first line, the second value from each array for the second
> >>>line...for 10 lines.
> >>>
> >>>How does one extract one value from multiple arrays and then
> >>>compile a single line of html based on those value?
> >>>
> >>>This is what I get for trying to be efficient. ;-)
> >>>
> >>>J
> >>>
> >>>>jonathan,
> >>>>
> >>>>unless your field names are purposefully named with number
> >>>>endings, why don't you simplify it and remove the need for
> >>>>$counter and while loop. it looks like you are trying to create
> >>>>variable names on the fly by appending a number... if you really
> >>>>want to do it this way you need to use 'varaible variables' but
> >>>>they are pretty weird so it's best to keep it simple. try double
> >>>>dollar sign $$term instead of \$term. but, really you should read
> >>>>up on variable variables to get it right.
> >>>>
> >>>>if you want to make it simple, change the approach and make a
> >>>>field name array:
> >>>>just put the field names you want in an array at the top of the
> >>>>page and iterate over the array to get your field names out into
> >>>>the table. same thing with any fieldwidths or field values you
> >>>>want. just make sure the arrays are all the same size.
> >>>>
> >>>>so instead of:
> >>>>
> >>>>><? $term1 = "fieldnamesoand so"; ?> ... etc...
> >>>>
> >>>>use:
> >>>><?php
> >>>>$fields_array = array('list', 'of', 'field', 'names','here');
> >>>>foreach ($fields_array as $fieldname) {
> >>>> echo '<td><input name="'.$fieldname.'"></td>';
> >>>>{
> >>>>?>
> >>>>
> >>>>HTH,
> >>>>dan
> >>>>
> >>>>On Sep 9, 2006, at 6:06 PM, Jonathan Schwartz wrote:
> >>>>
> >>>>>Andy,
> >>>>>
> >>>>>Thanks for the help.
> >>>>>
> >>>>>I understand the approach now, but can't get the code to work. I
> >>>>>reworked it a couple dozen times and still am getting the literal
> >>>>>value of "$term1" instead of the value of the variable,
> >>>>>previously defined on the page.
> >>>>>
> >>>>>From the resulting html source code:
> >>>>><tr>
> >>>>><td><input name="$term1"></td><td><input name="$term2"></td>
> >>>>>
> >>>>>
> >>>>>Here's my current php code:
> >>>>><? $term1 = "fieldnamesoand so"; ?>
> >>>>><snip>
> >>>>><snip>
> >>>>><tr>
> >>>>><?php
> >>>>>$total = 11;
> >>>>>$counter = 1;
> >>>>>while ($counter <= $total) {
> >>>>> $beginning="\$term";
> >>>>> $termcurrent = $beginning.$counter;
> >>>>> echo '<td><input name="'.$termcurrent.'"></td>';
> >>>>> $counter ++; }
> >>>>>echo "</tr>";
> >>>>>?>
> >>>>>
> >>>>>
> >>>>>
> >>>>>Jonathan
> >>>>>
> >>>>>>Jonathon,
> >>>>>>
> >>>>>>Try the following.
> >>>>>>
> >>>>>><?php
> >>>>>>echo '<tr class="ver10" valign="top">';
> >>>>>>$total = 10;
> >>>>>>$counter = 1;
> >>>>>>while ($counter <= $total) {
> >>>>>> echo '<td><input name="'.$term.$ counter.'" type="text"
> >>>>>>id="'.$term.$ counter.'" size="'.$termwidth.$ counter.'"></td>';
> >>>>>> $ counter ++; }
> >>>>>>echo '</tr>';
> >>>>>>?>
> >>>>>>
> >>>>>>Changing the value for the while statement will let you increase
> >>>>>>or decrease
> >>>>>>the number of cells created.
> >>>>>>
> >>>>>>Another option is a 'for' loop
> >>>>>>
> >>>>>>
> >>>>>>$total = 20;
> >>>>>>echo '<tr class="ver10" valign="top">';
> >>>>>>for($counter=0; $counter < $total; $counter++) {
> >>>>>> echo '<td><input name="'.$term.$counter.'" type="text"
> >>>>>>id="'.$term.$counter.'" size="'.$termwidth.$counter.'"></td>';
> >>>>>>}
> >>>>>>echo '</tr>';
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>Andy Gaunt
> >>>>>>Office: 321.206.3658
> >>>>>>Mobile: 407.810.4722
> >>>>>>andy at fmpug.com
> >>>>>>http://www.fmpug.com
> >>>>>>2006 FileMaker Excellence Award Winner
> > >>>>>Recipient of FileMaker's 2005 "Mad Dog" Public Relations Award
> >>>>>>
> >>>>>>For chapter locations, dates & times please visit the website at
> > >>>>>http://www.fmpug.com If you can make it to a meeting, please RSVP at
> >>>>>>http://www.fmpug.com/rsvp.php
> >>>>>>
> >>>>>>-----Original Message-----
> >>>>>>From: fx.php_list-bounces at mail.iviking.org
> >>>>>>[mailto:fx.php_list-bounces at mail.iviking.org] On Behalf Of
> >>>>>>Jonathan Schwartz
> >>>>>>Sent: Saturday, September 09, 2006 11:54 AM
> >>>>>>To: FX.php Discussion List
> >>>>>>Subject: [FX.php List] Creating Reusable Code
> >>>>>>
> >>>>>>Hi Folks,
> >>>>>>
> >>>>>>I'm attempting to get more efficient with scripting.
> >>>>>>
> >>>>>>My first step was to remove hard-code field names from my favorite
> >>>>>>search and display script, creating variables for each field and
> >>>>>>defining those variables at the top of the document. This works
> >>>>>>great. Now, I can re-purpose the script for another db and layout by
> >>>>>>just changing the field variables at the top of the page, instead of
> >>>>>>ripping apart the entire document.
> >>>>>>
> >>>>>>The second area I'm looking at is to reduce the repetition of
> >>>>>>repetitive code (example below actually has 10+ iterations) and use
> >>>>>>an iterative loop to accomplish the same, counting from 1 to n lines.
> >>>>>>
> >>>>>>Is that possible/reasonable/reccomended/etc?
> >>>>>>
> >>>>>>Thanks
> >>>>>>
> >>>>>>Jonathan
> >>>>>>
> >>>>>>
> >>>>>><tr class="ver10" valign="top">
> >>>>>> <td><input name="<? echo $term1; ?>" type="text" id="<? echo
> >>>>>>$term1; ?>" size="<? echo $termwidth1; ?>"></td>
> >>>>>> <td><input name="<? echo $term2; ?>" type="text" id="<? echo
> >>>>>>$term2; ?>" size="<? echo $termwidth2; ?>"></td>
> >>>>>> <td><input name="<? echo $term3; ?>" type="text" id="<? echo
> >>>>>>$term3; ?>" size="<? echo $termwidth3; ?>"></td>
> >>>>>>--
> >>>>>>
> >>>>>>Jonathan Schwartz
> >>>>>>FileMaker 8 Certified Developer
> >>>>>>Associate Member, FileMaker Solutions Alliance
> >>>>>>Schwartz & Company
> >>>>>>jonathan at eschwartz.com
> >>>>>>http://www.eschwartz.com
> >>>>>>http://www.exit445.com
> >>>>>>415-381-1852
> >>>>>>
> >>>>>>_______________________________________________
> >>>>>>FX.php_List mailing list
> >>>>>>FX.php_List at mail.iviking.org
> >>>>>>http://www.iviking.org/mailman/listinfo/fx.php_list
> >>>>>>
> >>>>>>
> >>>>>>_______________________________________________
> >>>>>>FX.php_List mailing list
> >>>>>>FX.php_List at mail.iviking.org
> >>>>>>http://www.iviking.org/mailman/listinfo/fx.php_list
> >>>>>
> >>>>>
> >>>>>--
> >>>>>
> >>>>>Jonathan Schwartz
> >>>>>FileMaker 8 Certified Developer
> >>>>>Associate Member, FileMaker Solutions Alliance
> >>>>>Schwartz & Company
> >>>>>jonathan at eschwartz.com
> >>>>>http://www.eschwartz.com
> >>>>>http://www.exit445.com
> >>>>>415-381-1852
> >>>>>
> >>>>>_______________________________________________
> >>>>>FX.php_List mailing list
> >>>>>FX.php_List at mail.iviking.org
> >>>>>http://www.iviking.org/mailman/listinfo/fx.php_list
> >>>>
> >>>>_______________________________________________
> >>>>FX.php_List mailing list
> >>>>FX.php_List at mail.iviking.org
> >>>>http://www.iviking.org/mailman/listinfo/fx.php_list
> >>>
> >>>
> >>>--
> >>>
> >>>Jonathan Schwartz
> >>>FileMaker 8 Certified Developer
> >>>Associate Member, FileMaker Solutions Alliance
> >>>Schwartz & Company
> >>>jonathan at eschwartz.com
> >>>http://www.eschwartz.com
> >>>http://www.exit445.com
> >>>415-381-1852
> >>>
> >>>_______________________________________________
> >>>FX.php_List mailing list
> >>>FX.php_List at mail.iviking.org
> >>>http://www.iviking.org/mailman/listinfo/fx.php_list
> >>
> >>_______________________________________________
> >>FX.php_List mailing list
> >>FX.php_List at mail.iviking.org
> >>http://www.iviking.org/mailman/listinfo/fx.php_list
> >
> >
> >--
> >
> >Jonathan Schwartz
> >FileMaker 8 Certified Developer
> >Associate Member, FileMaker Solutions Alliance
> >Schwartz & Company
> >jonathan at eschwartz.com
> >http://www.eschwartz.com
> >http://www.exit445.com
> >415-381-1852
> >
> >_______________________________________________
> >FX.php_List mailing list
> >FX.php_List at mail.iviking.org
> >http://www.iviking.org/mailman/listinfo/fx.php_list
> >
> >
> >_______________________________________________
> >FX.php_List mailing list
> >FX.php_List at mail.iviking.org
> >http://www.iviking.org/mailman/listinfo/fx.php_list
>
>
> --
>
> Jonathan Schwartz
> FileMaker 8 Certified Developer
> Associate Member, FileMaker Solutions Alliance
> Schwartz & Company
> jonathan at eschwartz.com
> http://www.eschwartz.com
> http://www.exit445.com
> 415-381-1852
>
> _______________________________________________
> FX.php_List mailing list
> FX.php_List at mail.iviking.org
> http://www.iviking.org/mailman/listinfo/fx.php_list
>
More information about the FX.php_List
mailing list