{"id":1342,"date":"2018-01-19T19:22:43","date_gmt":"2018-01-19T19:22:43","guid":{"rendered":"http:\/\/goofy-trucks.flywheelsites.com\/php-enabled-stylesheets-page-4\/"},"modified":"2018-01-19T19:24:43","modified_gmt":"2018-01-19T19:24:43","slug":"php-enabled-stylesheets-page-4","status":"publish","type":"post","link":"https:\/\/phpbuilder.com\/php-enabled-stylesheets-page-4\/","title":{"rendered":"PHP enabled stylesheets Page 4"},"content":{"rendered":"
\n
\n
By Bertrand Potier<\/div>\n
on November 24, 2002<\/div>\n<\/p><\/div>\n
\n
\nThe first step is to retrieve the values that might have been passed to the
\n_visuals.inc<\/code> file by one of the three ways variables can be passed
\nfrom one PHP script to another: <\/div>\n
\n
    \n
  1. via the URL using an HTTP GET request (myfile.php?key=value<\/code>); <\/li>\n
  2. using an HTTP POST request; <\/li>\n
  3. or including (via the include()\/require()<\/code> function) the
    \n visuals.inc<\/code> file so gaining visibility on the parent script
    \n variables. <\/li>\n<\/ol>\n<\/div>\n
    \nSince PHP 4.1, the way HTTP POST\/GET request variables are handled has also
    \nchanged (we won’t discuss that here, refer to the PHP<\/a> web site) and that’s the reason why the first step in the
    \nscript is, if the PHP version is not 4.1, creating and initialising a
    \n$_REQUEST<\/code> array (PHP 4.1 compliant behavior) containing the
    \nHTTP_POST and GET arrays (used by former versions of PHP). This makes sure the
    \nrest of the script can be developed following the latest recommendations of PHP
    \nwhile still working fine on former versions (the test != '4.1'<\/code> is
    \nnot fully correct as also returning true for higher versions of PHP). <\/div>\n
    The next step is making sure that whatever value passed to the
    \nvisuals.inc<\/code> file in whatever way (see above) is always taken into
    \naccount. The only value that we will use is the $SkinID<\/code> that is
    \nreferencing the id of the visual set to load. The code first checks if a value
    \nis passed via HTTP POST or GET request (using the $_REQUEST<\/code>
    \ninitialised sooner), if no checks that the variable is not yet defined by a
    \nparent script (assuming visuals.inc<\/code> might have been included or
    \nrequired by another script) and if none of those scenarios are true, finally
    \ngive the $SkinID<\/code> variable a default value equal to 0. <\/div>\n
    Finally comes the definition of the visuals parameters and for this example I
    \nlimited their number to four: font, font size, font unit and page background
    \ncolor. I recommend that, when naming the first dimension of the
    \n$VISUALS<\/code> array, you link it to structural elements of your web
    \npage. Let’s imagine that you define visual parameter for the footer section of
    \nyour web then declare a $VISUALS[0]['footer']<\/code> dimension. <\/div>\n
    The visuals.inc<\/code> file is now ready; let’s move on to the
    \nstylesheet. <\/div>\n<\/div>\n

    <\/p>\n

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    From Perl scripts to PHP, a lot of technologies are today available to move HTML to the dynamic age but why not, going even further and do the<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-1342","post","type-post","status-publish","format-standard","hentry","category-tutorials"],"_links":{"self":[{"href":"https:\/\/phpbuilder.com\/wp-json\/wp\/v2\/posts\/1342","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phpbuilder.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phpbuilder.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phpbuilder.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/phpbuilder.com\/wp-json\/wp\/v2\/comments?post=1342"}],"version-history":[{"count":1,"href":"https:\/\/phpbuilder.com\/wp-json\/wp\/v2\/posts\/1342\/revisions"}],"predecessor-version":[{"id":3228,"href":"https:\/\/phpbuilder.com\/wp-json\/wp\/v2\/posts\/1342\/revisions\/3228"}],"wp:attachment":[{"href":"https:\/\/phpbuilder.com\/wp-json\/wp\/v2\/media?parent=1342"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phpbuilder.com\/wp-json\/wp\/v2\/categories?post=1342"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phpbuilder.com\/wp-json\/wp\/v2\/tags?post=1342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}