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<?php $i=0; $j=500000; while($i < 60000000) { $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 5.4.10 - 5.4.23
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/mTEUJ on line 5
Process exited with code 255.
Output for 5.3.6 - 5.3.28, 5.4.0 - 5.4.9
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/mTEUJ on line 6
Process exited with code 255.

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71.6 ms | 401 KiB | 52 Q