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ptr_write_string() — internals

Compiler internals for ptr_write_string(): lowering path, type checks, and runtime helpers.

ptr_write_string() — internals

Where it lives

Lowering notes

  • Lowers ptr_write_string(pointer, string) by copying PHP string bytes into raw memory.

Runtime helpers

The following runtime helpers are referenced:

  • __rt_ptr_write_string

Signature summary

function ptr_write_string(pointer $pointer, string $string): int

What the type checker enforces

  • Arity: takes exactly 2 arguments.

Eval interpreter (magician)

Cross-references