I'm not 100% sure about it, as I'm unfamiliar with PHP. I went as far as this file github.com/php/php-src/blob/master... which contains the declaration of the list of allocators you linked.
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Looks like PHP internally uses
mallocimplementation?php.net/manual/en/internals2.memor...
I'm not 100% sure about it, as I'm unfamiliar with PHP. I went as far as this file github.com/php/php-src/blob/master... which contains the declaration of the list of allocators you linked.