<?php
$mem_start = memory_get_usage(true);
echo 'start: ' . $mem_start . PHP_EOL;
$max_iterations = 1000;
for ($i = 1; $i <= $max_iterations; $i++) {
DateTime::createFromFormat('M/D/Y H:i:s', '2013-11-12 20:00:00');
if (($i % 100) == 0) {
echo $i . '.: ' . memory_get_usage(true) . PHP_EOL;
}
}
$mem_end = memory_get_usage(true);
echo 'end: ' . $mem_end . PHP_EOL;
echo 'diff end-start: ' . ($mem_end - $mem_start) . PHP_EOL;
- Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
- start: 2097152
100.: 2097152
200.: 2097152
300.: 2097152
400.: 2097152
500.: 2097152
600.: 2097152
700.: 2097152
800.: 2097152
900.: 2097152
1000.: 2097152
end: 2097152
diff end-start: 0
- Output for 5.4.34 - 5.4.45, 5.5.18 - 5.5.38, 5.6.0 - 5.6.28
- start: 262144
100.: 262144
200.: 262144
300.: 262144
400.: 262144
500.: 262144
600.: 262144
700.: 262144
800.: 262144
900.: 262144
1000.: 262144
end: 262144
diff end-start: 0
- Output for 5.4.0 - 5.4.32, 5.5.0 - 5.5.16
- start: 262144
100.: 262144
200.: 262144
300.: 262144
400.: 262144
500.: 262144
600.: 262144
700.: 524288
800.: 524288
900.: 524288
1000.: 524288
end: 524288
diff end-start: 262144
- Output for 5.3.0 - 5.3.29
- start: 786432
100.: 786432
200.: 786432
300.: 786432
400.: 786432
500.: 786432
600.: 786432
700.: 786432
800.: 1048576
900.: 1048576
1000.: 1048576
end: 1048576
diff end-start: 262144
- Output for 5.2.10 - 5.2.17
- start: 262144
Fatal error: Call to undefined method DateTime::createFromFormat() in /in/BUW3T on line 7
Process exited with code 255. - Output for 5.2.1 - 5.2.9
- start: 262144
Fatal error: Call to undefined method DateTime::createfromformat() in /in/BUW3T on line 7
Process exited with code 255. - Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0
- Fatal error: Call to undefined function memory_get_usage() in /in/BUW3T on line 2
Process exited with code 255. - Output for 4.4.5 - 4.4.9
- Fatal error: Call to undefined function: memory_get_usage() in /in/BUW3T on line 2
Process exited with code 255. - Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
- Fatal error: Call to undefined function: memory_get_usage() in /in/BUW3T on line 2
Process exited with code 255. - Output for 4.3.0 - 4.3.1
- Fatal error: Call to undefined function: memory_get_usage() in /in/BUW3T on line 2
preferences:
160.27 ms | 401 KiB | 264 Q