Do not allow '0' as a value for width or height in QR code (#321)
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1 changed files with 6 additions and 2 deletions
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@ -72,8 +72,12 @@ class element extends \mod_customcert\element {
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$errors = [];
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$errors = [];
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// Check if height is not set, or not numeric or less than 0.
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// Check if height is not set, or not numeric or less than 0.
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if ((!isset($data['height'])) || (!is_numeric($data['height'])) || ($data['height'] < 0)) {
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if ((!isset($data['height'])) || (!is_numeric($data['height'])) || ($data['height'] <= 0)) {
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$errors['height'] = get_string('invalidheight', 'customcertelement_qrcode');
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$errors['height'] = get_string('invalidheight', 'mod_customcert');
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}
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if ((!isset($data['width'])) || (!is_numeric($data['width'])) || ($data['width'] <= 0)) {
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$errors['width'] = get_string('invalidwidth', 'mod_customcert');
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}
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}
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if ($this->showposxy) {
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if ($this->showposxy) {
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