International PHP Conference Berlin 2025

gc_disable

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

gc_disable循環参照コレクタを無効にする

説明

gc_disable(): void

zend.enable_gc0 に設定して、循環参照コレクタを無効にします。

パラメータ

この関数にはパラメータはありません。

戻り値

値を返しません。

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User Contributed Notes 1 note

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Lev Kitsis
10 years ago
Can be very useful for big projects, when you create a lot of objects that should stay in memory. So GC can't clean them up and just wasting CPU time.

Issue in composer:
https://github.com/composer/composer/pull/3482#issuecomment-65199153

Solution and people replies:
https://github.com/composer/composer/commit/ac676f47f7bbc619678a29deae097b6b0710b799
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