3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $n = 1000000; // Create test array $i = 0; $array = array(); while($i < $n) { $array[$i++] = true; } $time_start = microtime(true); $i = 0; while ($i < $n) { $devnull = isset($array[$i++]); } $time_end = microtime(true); $time_while1= $time_end-$time_start; echo number_format($time_while1, 3, '.', '') ." seconds - isset(array[i]) on full array \n";
Output for 7.1.0
-0.025 seconds - isset(array[i]) on full array
Output for 7.0.14
0.018 seconds - isset(array[i]) on full array
Output for 7.0.4, 7.0.6
0.015 seconds - isset(array[i]) on full array
Output for 7.0.1, 7.0.3, 7.0.5
0.017 seconds - isset(array[i]) on full array
Output for 7.0.0, 7.0.2
0.014 seconds - isset(array[i]) on full array
Output for 5.3.0 - 5.6.28
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/dfp9d on line 9
Process exited with code 255.
Output for 5.2.2, 5.2.6 - 5.2.17
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 71 bytes) in /in/dfp9d on line 9
Process exited with code 255.
Output for 5.2.1, 5.2.3 - 5.2.5
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 24 bytes) in /in/dfp9d on line 9
Process exited with code 255.
Output for 5.2.0
0.090 seconds - isset(array[i]) on full array
Output for 5.1.6
0.056 seconds - isset(array[i]) on full array
Output for 5.1.3, 5.1.5
0.060 seconds - isset(array[i]) on full array
Output for 5.1.4
0.063 seconds - isset(array[i]) on full array
Output for 5.1.2
0.059 seconds - isset(array[i]) on full array
Output for 5.1.1
0.087 seconds - isset(array[i]) on full array
Output for 5.1.0
0.089 seconds - isset(array[i]) on full array
Output for 5.0.5
0.176 seconds - isset(array[i]) on full array
Output for 5.0.4
0.310 seconds - isset(array[i]) on full array
Output for 5.0.3
0.309 seconds - isset(array[i]) on full array
Output for 5.0.0, 5.0.2
0.162 seconds - isset(array[i]) on full array
Output for 5.0.1
0.317 seconds - isset(array[i]) on full array
Output for 4.4.9
-0.807 seconds - isset(array[i]) on full array
Output for 4.3.11, 4.4.8
0.170 seconds - isset(array[i]) on full array
Output for 4.4.7
0.177 seconds - isset(array[i]) on full array
Output for 4.4.6
-0.818 seconds - isset(array[i]) on full array
Output for 4.4.5
0.181 seconds - isset(array[i]) on full array
Output for 4.4.4
0.174 seconds - isset(array[i]) on full array
Output for 4.3.8, 4.4.3
0.180 seconds - isset(array[i]) on full array
Output for 4.4.2
0.183 seconds - isset(array[i]) on full array
Output for 4.4.1
0.187 seconds - isset(array[i]) on full array
Output for 4.4.0
-0.822 seconds - isset(array[i]) on full array
Output for 4.3.10
0.172 seconds - isset(array[i]) on full array
Output for 4.3.9
0.171 seconds - isset(array[i]) on full array
Output for 4.3.7
0.167 seconds - isset(array[i]) on full array
Output for 4.3.6
-0.746 seconds - isset(array[i]) on full array
Output for 4.3.5
0.179 seconds - isset(array[i]) on full array
Output for 4.3.4
0.173 seconds - isset(array[i]) on full array
Output for 4.3.3
-0.831 seconds - isset(array[i]) on full array
Output for 4.3.2
0.168 seconds - isset(array[i]) on full array
Output for 4.3.1
0.175 seconds - isset(array[i]) on full array
Output for 4.3.0
0.169 seconds - isset(array[i]) on full array