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--- pele_mele:stack_exchange:stack_overflow:29779716 [2024/11/23 04:02] – supprimée - modification externe (Date inconnue) 127.0.0.1
+++ pele_mele:stack_exchange:stack_overflow:29779716 [2024/11/23 04:02] (Version actuelle) – ↷ Nom de la page changé de pele_mele:stack_exchange:stack_overflow:stackoverflow-29779716 à pele_mele:stack_exchange:stack_overflow:29779716 alexis
@@ Ligne 1: / Ligne 1: @@
+====== Symfony form validation of integer field ======
+I am trying to use the type validation rule with integer and it fails with some warning.
+Here is my form
+<code php>
+class BusinessType extends AbstractType {
+    public function buildForm(FormBuilderInterface $builder, array $options) {
+        $builder->add('business_number', 'integer', array(
+            'required' => false,
+        ));
+    }
+}
+</code>
+Here is my validation rule
+<code yaml>
+My\Bundle\Entity\Business:
+    properties:
+        business_number:
+            - Type:
+                type: integer
+</code>
+So nothing extravagant!
+But I get the following error
+> Uncaught PHP Exception Symfony\Component\Debug\Exception\ContextErrorException: "Warning: NumberFormatter::parse(): Number parsing failed"
+I already found a work around [[http://forum.symfony-project.org/viewtopic.php?t=40191&p=130870|here]], but it doesn't feel right to do that. I will if there is no other solution but I prefer to avoid it.
+I know it was a known bug in earlier version of Symfony but it is supposed to be fix. See [[https://github.com/symfony/symfony/pull/5943|here]].
+So is there a way I can use the type validation? And if so, what am I missing?
+**Edit 1**
+I am using Symfony 2.6.6
+**Edit 2**
+If my value starts with numbers (like //123dd//), I have the following error message, even if I customized my error message
+> This value is not valid.
+But if my value starts with something else, I have the error fore-mentioned.
+**Edit 3**
+The longest value I need to store is 9 digits long. So integer should work properly.
+**Edit 4**
+Here is the [[https://github.com/symfony/symfony/issues/14430|bug report]]
+<WRAP help>
+The problem is that the ''integer'' and/or ''number'' Symfony Form Type utilizes the [[https://github.com/symfony/symfony/blob/v2.6.6/src/Symfony/Component/Intl/NumberFormatter/NumberFormatter.php#L533|Symfony\Component\Intl\NumberFormatter\NumberFormatter::parse method]] before storing the value to the Form. The contents of the method are as such (as of Symfony 2.6.6):
+<code php>
+public function parse($value, $type = self::TYPE_DOUBLE, &$position = 0)
+{
+    if ($type == self::TYPE_DEFAULT || $type == self::TYPE_CURRENCY) {
+        trigger_error(__METHOD__.'(): Unsupported format type '.$type, \E_USER_WARNING);
+        return false;
+    }
+    preg_match('/^([^0-9\-\.]{0,})(.*)/', $value, $matches);
+    // Any string before the numeric value causes error in the parsing
+    if (isset($matches[1]) && !empty($matches[1])) {
+        IntlGlobals::setError(IntlGlobals::U_PARSE_ERROR, 'Number parsing failed');
+        $this->errorCode = IntlGlobals::getErrorCode();
+        $this->errorMessage = IntlGlobals::getErrorMessage();
+        $position = 0;
+        return false;
+    }
+    preg_match('/^[0-9\-\.\,]*/', $value, $matches);
+    $value = preg_replace('/[^0-9\.\-]/', '', $matches[0]);
+    $value = $this->convertValueDataType($value, $type);
+    $position = strlen($matches[0]);
+    // behave like the intl extension
+    $this->resetError();
+    return $value;
+}
+</code>
+Notably this part:
+<code php>
+preg_match('/^([^0-9\-\.]{0,})(.*)/', $value, $matches);
+// Any string before the numeric value causes error in the parsing
+if (isset($matches[1]) && !empty($matches[1])) {
+    IntlGlobals::setError(IntlGlobals::U_PARSE_ERROR, 'Number parsing failed');
+// ...
+</code>
+will cause any malformed entry with a string at the start to throw an Exception.
+Unfortunately, changing the validation rules will do nothing as this parsing is run //before// validation occurs.
+Your only workaround will be the one you've linked, and to submit a bug report until the problem is fixed. The [[https://github.com/symfony/symfony/blob/master/src/Symfony/Component/Intl/NumberFormatter/NumberFormatter.php#L533|current master branch doesn't have an update to this file]] and it's unclear if the problem was solved elsewhere (further research would be required).
+Front-end validation could also help (for example, the built-in validation for HTML5 ''number'' and ''integer'' types will cause most browsers to stop you before submitting to Symfony).
+</WRAP>
+<WRAP info>
+[[https://stackoverflow.com/questions/29779716/symfony-form-validation-of-integer-field|Symfony form validation of integer field - Stack Overflow]]
+</WRAP>