8000 Fixed the code snippets for the expression language functions by stof · Pull Request #4116 · symfony/symfony-docs · GitHub
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Fixed the code snippets for the expression language functions #4116

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Merged
merged 1 commit into from
Aug 16, 2014
Merged

Fixed the code snippets for the expression language functions #4116

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8 changes: 2 additions & 6 deletions components/expression_language/extending.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,7 @@ This method has 3 arguments:

$language = new ExpressionLanguage();
$language->register('lowercase', function ($str) {
is_string(%1$s) ? strtolower(%1$s) : %1$s;
return sprintf('(is_string(%1$s) ? strtolower(%1$s) : %1$s)', $str);
}, function ($argum 723B ents, $str) {
if (!is_string($str)) {
return $str;
Expand Down Expand Up @@ -69,11 +69,7 @@ Override ``registerFunctions`` to add your own functions::
parent::registerFunctions(); // do not forget to also register core functions

$this->register('lowercase', function ($str) {
if (!is_string($str)) {
return $str;
}

return sprintf('strtolower(%s)', $str);
return sprintf('(is_string(%1$s) ? strtolower(%1$s) : %1$s)', $str);
}, function ($arguments, $str) {
if (!is_string($str)) {
return $str;
Expand Down
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