Migrate SKIPIF -> EXTENSIONS (#7138)

This is an automated migration of most SKIPIF extension_loaded checks.

Add missing SKIPIF clause for require_hash.phpt

Prevent double-free of Phar ZIP stream

We must not alias the closed stream to `phar_archive_data.fp`, and use
PHAR_ZIP_FAIL() for consistency with the rest of this function.

Clo

Prevent double-free of Phar ZIP stream

We must not alias the closed stream to `phar_archive_data.fp`, and use
PHAR_ZIP_FAIL() for consistency with the rest of this function.

Closes GH-6578.

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Fix #76929: zip-based phar does not respect phar.require_hash

Based on the patch provided by david at bamsoftware.

Closes GH-6517.