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run code in 150+ php & hhvm versions
Bugs & Features
<?php $i=0; $j=500000; while($i < 60000) { $i++; $j++; $data1[] = md5($i); $data2[] = md5($j); } $time = microtime(true); echo "Starting array_diff\n"; $data_diff1 = array_diff_key(array_flip($data1), array_flip($data2)); $time = microtime(true) - $time; echo 'array_diff() took ' . number_format($time, 3) . ' seconds and returned ' . count($data_diff1) . " entries\n";
based on 1fnO8
Output for 7.0.14 - 7.1.0
Starting array_diff array_diff() took 0.016 seconds and returned 60000 entries
Output for 7.0.5 - 7.0.6
Starting array_diff array_diff() took 0.017 seconds and returned 60000 entries
Output for 7.0.4
Starting array_diff array_diff() took 0.015 seconds and returned 60000 entries
Output for 7.0.3
Starting array_diff array_diff() took 0.023 seconds and returned 60000 entries
Output for 7.0.2
Starting array_diff array_diff() took 0.026 seconds and returned 60000 entries
Output for 7.0.1
Starting array_diff array_diff() took 0.025 seconds and returned 60000 entries
Output for 7.0.0
Starting array_diff array_diff() took 0.021 seconds and returned 60000 entries
Output for 5.3.0, 5.3.6, 5.4.20, 5.4.30, 5.6.8, 5.6.28
Starting array_diff array_diff() took 0.045 seconds and returned 60000 entries
Output for 5.2.6, 5.2.11, 5.3.22 - 5.3.25, 5.3.28, 5.4.0 - 5.4.1, 5.4.21, 5.4.24, 5.4.32, 5.6.10, 5.6.21
Starting array_diff array_diff() took 0.046 seconds and returned 60000 entries
Output for 5.2.15, 5.5.31, 5.6.20
Starting array_diff array_diff() took 0.040 seconds and returned 60000 entries
Output for 5.3.3, 5.3.9, 5.3.16 - 5.3.17, 5.4.26, 5.5.24, 5.5.29, 5.6.13, 5.6.19
Starting array_diff array_diff() took 0.044 seconds and returned 60000 entries
Output for 5.2.13, 5.2.17, 5.3.5, 5.3.13, 5.6.7, 5.6.9, 5.6.12, 5.6.16, 5.6.18
Starting array_diff array_diff() took 0.042 seconds and returned 60000 entries
Output for 5.3.7, 5.3.21, 5.4.25, 5.6.17
Starting array_diff array_diff() took 0.048 seconds and returned 60000 entries
Output for 5.5.32, 5.6.15
Starting array_diff array_diff() took 0.037 seconds and returned 60000 entries
Output for 5.6.14
Starting array_diff array_diff() took 0.039 seconds and returned 60000 entries
Output for 5.2.12, 5.3.1 - 5.3.2, 5.3.11 - 5.3.12, 5.3.20, 5.4.8, 5.5.26, 5.5.33, 5.6.11
Starting array_diff array_diff() took 0.043 seconds and returned 60000 entries
Output for 5.2.16, 5.3.4, 5.3.26 - 5.3.27, 5.4.31, 5.5.25, 5.5.28, 5.5.30, 5.5.34 - 5.5.35
Starting array_diff array_diff() took 0.041 seconds and returned 60000 entries
Output for 5.3.8, 5.3.18, 5.4.9 - 5.4.10, 5.4.12, 5.4.19, 5.4.27, 5.5.27
Starting array_diff array_diff() took 0.051 seconds and returned 60000 entries
Output for 5.3.19, 5.4.13, 5.4.45
Starting array_diff array_diff() took 0.052 seconds and returned 60000 entries
Output for 5.2.10, 5.2.14, 5.4.5, 5.4.7, 5.4.15, 5.4.44
Starting array_diff array_diff() took 0.047 seconds and returned 60000 entries
Output for 5.2.7, 5.3.10, 5.3.15, 5.3.29, 5.4.6, 5.4.18, 5.4.22, 5.4.29, 5.4.43
Starting array_diff array_diff() took 0.050 seconds and returned 60000 entries
Output for 5.4.42
Starting array_diff array_diff() took 0.085 seconds and returned 60000 entries
Output for 5.4.2, 5.4.41
Starting array_diff array_diff() took 0.071 seconds and returned 60000 entries
Output for 5.4.39 - 5.4.40
Starting array_diff array_diff() took 0.080 seconds and returned 60000 entries
Output for 5.4.38
Starting array_diff array_diff() took 0.122 seconds and returned 60000 entries
Output for 5.4.37
Starting array_diff array_diff() took 0.104 seconds and returned 60000 entries
Output for 5.4.35 - 5.4.36
Starting array_diff array_diff() took 0.074 seconds and returned 60000 entries
Output for 5.4.34
Starting array_diff array_diff() took 0.068 seconds and returned 60000 entries
Output for 5.2.8 - 5.2.9, 5.4.28
Starting array_diff array_diff() took 0.055 seconds and returned 60000 entries
Output for 5.4.4, 5.4.17, 5.4.23
Starting array_diff array_diff() took 0.054 seconds and returned 60000 entries
Output for 5.4.16
Starting array_diff array_diff() took 0.058 seconds and returned 60000 entries
Output for 5.4.14
Starting array_diff array_diff() took 0.069 seconds and returned 60000 entries
Output for 5.4.11
Starting array_diff array_diff() took 0.065 seconds and returned 60000 entries
Output for 5.4.3
Starting array_diff array_diff() took 0.066 seconds and returned 60000 entries
Output for 5.3.14
Starting array_diff array_diff() took 0.049 seconds and returned 60000 entries
Output for 5.2.5
Starting array_diff array_diff() took 0.063 seconds and returned 60000 entries
Output for 5.2.3 - 5.2.4
Starting array_diff array_diff() took 0.151 seconds and returned 60000 entries
Output for 5.2.2
Starting array_diff array_diff() took 0.144 seconds and returned 60000 entries
Output for 5.2.1
Starting array_diff array_diff() took 0.128 seconds and returned 60000 entries
Output for 5.2.0
Starting array_diff array_diff() took 0.165 seconds and returned 60000 entries
Output for 5.1.6
Starting array_diff array_diff() took 0.172 seconds and returned 60000 entries
Output for 5.1.5
Starting array_diff array_diff() took 0.170 seconds and returned 60000 entries
Output for 5.1.4
Starting array_diff array_diff() took 0.174 seconds and returned 60000 entries
Output for 5.1.3
Starting array_diff array_diff() took 0.182 seconds and returned 60000 entries
Output for 5.1.2
Starting array_diff array_diff() took 0.163 seconds and returned 60000 entries
Output for 5.1.1
Starting array_diff array_diff() took 0.178 seconds and returned 60000 entries
Output for 5.1.0
Starting array_diff array_diff() took 0.177 seconds and returned 60000 entries
Output for 5.0.0 - 5.0.5
Starting array_diff Fatal error: Call to undefined function array_diff_key() in /in/lVnjm on line 13
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Starting array_diff Fatal error: Call to undefined function: array_diff_key() in /in/lVnjm on line 13
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Starting array_diff Fatal error: Call to undefined function: array_diff_key() in /in/lVnjm on line 13
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Starting array_diff Fatal error: Call to undefined function: array_diff_key() in /in/lVnjm on line 13