Use intval() instead of a cast operator for the panel row number - #1591
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CI (fresh contao/core-bundle ~5.7.0) infers StringUtil::trimsplit()'s keys as strictly int, so psalm flags the (int) cast as redundant there. The devstack's pinned core-bundle version infers a broader array-key type, where the cast is not redundant - removing it outright breaks locally (InvalidOperand). intval() is behaviorally identical to the cast but isn't covered by psalm's RedundantCast rule, so it satisfies both environments.
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CI (fresh contao/core-bundle ~5.7.0) infers StringUtil::trimsplit()'s keys as strictly int, so psalm flags the (int) cast as redundant there. The devstack's pinned core-bundle version infers a broader array-key type, where the cast is not redundant - removing it outright breaks locally (InvalidOperand). intval() is behaviorally identical to the cast but isn't covered by psalm's RedundantCast rule, so it satisfies both environments.