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ikund Smarty Rookie
Joined: 22 Nov 2011 Posts: 9
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Posted: Wed Mar 14, 2012 3:52 pm Post subject: Some useful regexp replacements while upgrading from Smarty2 |
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I found the upgrade from Smarty 2 to be quite difficult, because the system I was upgrading (a commercial CMS) had hundreds of templates and dozens of different clients/projects were using it, all with slight modifications. Most templates had some kind of incompatibility with Smarty 3 (mostly due to the more strict nature of the new version).
Anyhow, luckily most of them could be removed with some help from regular expressions, which could be added to the upgrade scripts.
The following expressions fix the most common problems I had with the templates. Hope that it is of use to anyone some day.
Code: |
$aSearch = array(
"/(\{include.*file=)(db:.*)([\s\}])/U", // converts {include file=db:Template} to {include file="db:Template"}
"/\{defun\sname=\"(.*)\"\s(.*)\}(.*\{fun.*\}.*)\{\/defun\}/imxsU",// converts old "defun" definitions to new "{function}" calls
"/\{fun\sname=\"(.*)\"(.*)\}/imxsU", // converts old "{fun}" function calls to new type
'/\{\$(.*\|\w+:)([^\(\)\}\{\'\"]+[\*\/\+\-]\d{1,3})(.*)\}/iU', // converts {$var|indent:2*2} to {$var|indent:(2*2)}}
'/\{\$(.*)\|escape ([\'\"a-z]+)\}/iU', // converts {$data.var|escape html} to {$data.var|escape:html}
'/\{(assign .*)value=(`.*`)(.*)\}/iU', // converts {assign var=t value=`$data.item`} into {assign var=t value="`$data.item`"}
);
$aReplace = array(
"$1\"$2\"$3",
sprintf('{function name="$1"}$3{/function}%s{$1 $2}', PHP_EOL),
'{$1$2}',
'{$$1($2)$3}',
'{$$1|escape:$2}',
'{$1value="$2"$3}',
);
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