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<?php function my_length(string $a): int { var_dump(memory_get_peak_usage()); return strlen($a); } $a = str_repeat("a", 100_000); var_dump(memory_get_peak_usage()); my_length($a);
Output for git.master
int(489576) int(489904)
Output for git.master_jit
int(449040) int(449368)
Output for rfc.property-hooks
int(489544) int(489872)

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