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<?php $i=0; $j=50000000; while($i < 600000000) { $i++; $j++; $data1[] = md5($i); $data2[] = md5($j); } $time = microtime(true); echo "Starting array_diff\n"; $data_diff1 = array_diff($data1, $data2); $time = microtime(true) - $time; echo 'array_diff() took ' . number_format($time, 3) . ' seconds and returned ' . count($data_diff1) . " entries\n";
Output for 7.0.0 - 7.0.11, 7.0.13 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.26, 7.3.0 - 7.3.13, 7.4.0 - 7.4.1
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 16777224 bytes) in /in/1MGZs on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0, 5.6.25, 7.0.12

Process exited with code 137.
Output for 5.4.0 - 5.4.9, 5.5.0 - 5.5.38, 5.6.0 - 5.6.24, 5.6.26 - 5.6.32, 5.6.34 - 5.6.40
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/1MGZs on line 5
Process exited with code 255.
Output for 5.6.33
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/1MGZs on line 5
Process exited with code 137.
Output for 5.3.0 - 5.3.29, 5.4.10 - 5.4.45
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/1MGZs on line 6
Process exited with code 255.
Output for 5.2.6, 5.2.10 - 5.2.17
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 71 bytes) in /in/1MGZs on line 5
Process exited with code 255.
Output for 5.2.2 - 5.2.5, 5.2.7 - 5.2.9
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 24 bytes) in /in/1MGZs on line 5
Process exited with code 255.
Output for 5.2.1
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 21 bytes) in /in/1MGZs on line 6
Process exited with code 255.
preferences:
246.61 ms | 401 KiB | 325 Q