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<?php $start = new DateTime('2018-12-31 00:00:00'); $end = new DateTime('2021-12-31 00:00:00'); $interval = new DateInterval('P1M'); $recurrences = 5; $elements = []; for ($i = 0; $i < 25000; $i++) { $elements[] = new DatePeriod($start, $interval, $recurrences, DatePeriod::EXCLUDE_START_DATE); } echo "Memory usage: " . memory_get_usage(true) / (1024 * 1024) . " MB\n";
Output for 8.2.18 - 8.2.24, 8.3.5 - 8.3.12
Memory usage: 40 MB
Output for 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Out of memory (allocated 31457280 bytes) (tried to allocate 4096 bytes) in /in/QW9Tm on line 10 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for 8.1.0 - 8.1.30
Memory usage: 14 MB
preferences:
63.47 ms | 408 KiB | 5 Q