XPerf
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phpperf rule ids (slugs)

Canonical ids are slugs only. Numerics from the old map are historical and not accepted.

Slug
ph-string-dot-hot
ph-array-merge-rebind
ph-echo-hot

See also root rule-id-map.

Renamed 2026-10-27 (tombstone old; never reuse)

Default --scope all (or kit-equivalent). Old *-in-loop ids misled tools/models; they are tombstoned under evidence/_removed/.

Old slugNew slug
ph-echo-in-loopph-echo-hot
ph-string-dot-in-loopph-string-dot-hot