<?php
define('NUM_ITERATIONS', 10000000);
$var = NULL;
// Profile is_null.
$time = time();
for ($i = 0; $i < NUM_ITERATIONS; $i++) { is_null($var); }
print (time() - $time) . ' elapsed seconds.' . PHP_EOL;
// Profile (bool)
$time = time();
for ($i = 0; $i < NUM_ITERATIONS; $i++) { (bool) $var; }
print (time() - $time) . ' elapsed seconds.' . PHP_EOL;
// Profile isset
$time = time();
for ($i = 0; $i < NUM_ITERATIONS; $i++) { isset($var); }
print (time() - $time) . ' elapsed seconds.' . PHP_EOL;
- Output for 5.5.6, 5.5.14, 5.5.24 - 5.5.25, 5.5.27, 5.5.34, 5.5.37, 5.6.1, 5.6.3, 5.6.6, 5.6.12, 5.6.19 - 5.6.21, 7.0.20, 7.1.5, 7.2.6 - 7.2.7, 7.2.13, 7.2.18, 7.2.20 - 7.2.24, 7.3.8 - 7.3.9, 7.3.12
- 0 elapsed seconds.
0 elapsed seconds.
1 elapsed seconds.
- Output for 7.0.0 - 7.0.10, 7.1.0, 7.1.6, 7.1.10 - 7.1.20, 7.3.2, 7.3.10 - 7.3.11
- 0 elapsed seconds.
0 elapsed seconds.
0 elapsed seconds.
- Output for 7.1.7, 7.2.1 - 7.2.4, 7.2.8 - 7.2.10, 7.2.16, 7.2.19, 7.3.0, 7.3.5, 7.3.7
- 1 elapsed seconds.
0 elapsed seconds.
0 elapsed seconds.
- Output for 5.5.0 - 5.5.5, 5.5.7 - 5.5.13, 5.5.15 - 5.5.23, 5.5.26, 5.5.28 - 5.5.33, 5.5.35 - 5.5.36, 5.5.38, 5.6.0, 5.6.2, 5.6.4 - 5.6.5, 5.6.7 - 5.6.11, 5.6.13 - 5.6.18, 5.6.22 - 5.6.28, 7.2.5, 7.2.11 - 7.2.12, 7.2.14 - 7.2.15, 7.2.17, 7.3.1, 7.3.3 - 7.3.4, 7.3.6
- 0 elapsed seconds.
1 elapsed seconds.
0 elapsed seconds.
- Output for 7.1.28, 7.1.33, 7.2.0
- 1 elapsed seconds.
0 elapsed seconds.
1 elapsed seconds.
- Output for 7.1.26 - 7.1.27, 7.1.30 - 7.1.32
- 1 elapsed seconds.
1 elapsed seconds.
0 elapsed seconds.
- Output for 7.1.25, 7.1.29
- 0 elapsed seconds.
1 elapsed seconds.
1 elapsed seconds.
preferences:
98.42 ms | 401 KiB | 135 Q