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Error Identifiers: preDec.*

There are 6 error identifiers in the preDec.* group:

• preDec.expr
  Pre-decrement operator is applied to a non-variable expression.
• preDec.nonNumeric phpstan-strict-rules
  Pre-decrement operator is used on a non-numeric value.
• preDec.overwritten
  The result of a pre-decrement (--$i) is overwritten before it is ever read.
• preDec.type
  Pre-decrement operator is used on a type that does not support it.
• preDec.unused
  The result of a pre-decrement (--$i) is never read.
• preDec.unusedFlow
  The result of a pre-decrement (--$i) is read, but only to compute values that are themselves never used.