…) (PROFeNoM)

This PR was merged into the 1.x branch.

Discussion
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fix: Replace str_starts_with by strncmp (PHP7 compatibility)

Hi 👋

The [v1.21.0](https://github.com/symfony/flex/releases/tag/v1.21.0) tag release made a few hours ago started breaking compatibility with PHP7 because of the use of `str_starts_with`.

This PR replaces `str_starts_with` by `strncmp`, as suggested by the [rfc](https://wiki.php.net/rfc/add_str_starts_with_and_ends_with_functions) 😃

Commits
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07e35fa fix: Replace str_starts_with by strncmp (PHP7 compatibility)

* 1.x:
  fix: Replace str_starts_with by strncmp (PHP7 compatibility)

…ons before 6.4

…icolas-grekas)

This PR was merged into the 1.x branch.

Discussion
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Fix keeping platform requirements when rebooting composer

Commits
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9aca8f3 Fix keeping platform requirements when rebooting composer

… for versions before 6.4 (nicolas-grekas)

This PR was merged into the 1.x branch.

Discussion
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Decouple psr-http-message-bridge from extra.symfony.require for versions before 6.4

Should fix issues like getsentry/sentry-symfony#750 and symfony/recipes#1236

Before 6.4, the bridge was not in `symfony/symfony` so that `extra.symfony.require` shouldn't apply to earlier versions.

We *could* improve the API and flex to handle this concern at a more generic level, but this is so rare that I suggest hard-coding the rule in flex.

Commits
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42276be Decouple psr-http-message-bridge from extra.symfony.require for versions before 6.4

* 1.x:
  Decouple psr-http-message-bridge from extra.symfony.require for versions before 6.4
  Fix keeping platform requirements when rebooting composer