3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('a' => 1, 'b' => 2); $b = array('a' => 1, 'b' => 2, 'c' => 3); var_dump(count(array_diff_key($a, $b)));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.40.0090.00618.60
8.3.30.0100.00718.43
8.3.20.0000.00818.35
8.3.10.0040.00421.14
8.3.00.0000.00823.66
8.2.170.0140.00022.96
8.2.160.0110.00420.95
8.2.150.0110.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0000.00819.64
8.2.110.0030.00620.27
8.2.100.0110.00017.78
8.2.90.0040.00419.02
8.2.80.0090.00017.97
8.2.70.0080.00017.50
8.2.60.0030.00517.77
8.2.50.0060.00318.07
8.2.40.0040.00418.22
8.2.30.0000.00721.10
8.2.20.0040.00417.55
8.2.10.0040.00417.73
8.2.00.0040.00417.73
8.1.270.0000.00723.99
8.1.260.0040.01426.35
8.1.250.0080.00028.09
8.1.240.0090.01222.54
8.1.230.0070.00420.92
8.1.220.0000.00818.77
8.1.210.0040.00418.88
8.1.200.0090.00017.23
8.1.190.0000.00717.51
8.1.180.0040.00418.10
8.1.170.0080.00018.34
8.1.160.0000.00818.88
8.1.150.0050.00318.52
8.1.140.0080.00017.38
8.1.130.0070.00017.78
8.1.120.0090.00017.41
8.1.110.0040.00417.34
8.1.100.0000.00717.46
8.1.90.0000.00717.45
8.1.80.0080.00017.48
8.1.70.0000.00717.34
8.1.60.0000.00817.63
8.1.50.0000.00717.46
8.1.40.0030.00617.53
8.1.30.0000.00717.64
8.1.20.0000.00817.66
8.1.10.0000.00717.27
8.1.00.0000.00717.40
8.0.300.0040.00419.94
8.0.290.0040.00417.16
8.0.280.0070.00018.38
8.0.270.0000.00717.29
8.0.260.0070.00016.59
8.0.250.0000.00716.75
8.0.240.0050.00316.84
8.0.230.0070.00016.79
8.0.220.0040.00416.72
8.0.210.0000.00716.77
8.0.200.0040.00416.81
8.0.190.0050.00216.84
8.0.180.0000.00716.90
8.0.170.0040.00416.95
8.0.160.0070.00016.87
8.0.150.0050.00316.73
8.0.140.0040.00416.89
8.0.130.0050.00013.35
8.0.120.0050.00216.73
8.0.110.0040.00416.82
8.0.100.0040.00416.91
8.0.90.0000.00716.71
8.0.80.0080.00616.76
8.0.70.0040.00416.91
8.0.60.0050.00216.86
8.0.50.0040.00416.74
8.0.30.0110.00817.09
8.0.20.0100.00917.40
8.0.10.0000.00717.06
8.0.00.0070.01116.83
7.4.330.0050.00013.43
7.4.320.0070.00016.58
7.4.300.0000.00616.46
7.4.290.0030.00316.61
7.4.280.0000.00616.61
7.4.270.0000.00716.48
7.4.260.0030.00313.21
7.4.250.0040.00416.45
7.4.240.0000.00716.48
7.4.230.0000.00716.69
7.4.220.0090.01316.40
7.4.210.0090.00716.49
7.4.200.0030.00316.68
7.4.190.0030.00316.41
7.4.160.0060.01216.61
7.4.150.0070.01717.40
7.4.140.0110.01317.86
7.4.130.0170.00216.45
7.4.120.0110.00816.52
7.4.110.0130.00316.29
7.4.100.0110.01116.52
7.4.90.0090.01216.37
7.4.80.0070.01019.39
7.4.70.0070.01016.29
7.4.60.0070.01016.46
7.4.50.0050.00316.23
7.4.40.0070.00722.52
7.4.30.0120.00316.48
7.4.00.0070.00014.98
7.3.330.0000.00513.08
7.3.320.0130.00013.08
7.3.310.0000.00716.24
7.3.300.0070.00016.08
7.3.290.0040.01116.23
7.3.280.0060.00816.16
7.3.270.0150.00317.40
7.3.260.0120.01118.24
7.3.250.0110.00616.35
7.3.240.0140.00316.21
7.3.230.0090.00916.39
7.3.210.0160.00016.29
7.3.200.0030.01619.39
7.3.190.0130.00316.17
7.3.180.0070.01016.28
7.3.170.0100.00716.57
7.3.160.0090.00616.32
7.3.120.0070.00714.93
7.2.330.0180.00016.48
7.2.320.0120.00616.58
7.2.310.0090.00916.57
7.2.300.0120.00416.49
7.2.290.0140.00416.41
7.2.60.0040.01216.59
7.2.00.0030.01419.34
7.1.200.0080.00815.84
7.1.100.0030.00618.14
7.1.70.0040.00417.09
7.1.60.0090.00919.40
7.1.50.0190.01334.73
7.1.00.0070.04022.32
7.0.200.0000.00716.81
7.0.140.0070.06722.21
7.0.70.0070.08021.64
7.0.60.0030.08321.66
7.0.50.0030.08022.19
7.0.40.0030.07719.96
7.0.30.0100.07320.13
7.0.20.0000.09020.10
7.0.10.0070.07720.04
7.0.00.0030.08720.12
5.6.280.0070.06720.77
5.6.220.0000.08720.68
5.6.210.0000.08020.59
5.6.200.0030.08721.04
5.6.190.0070.08021.16
5.6.180.0030.05320.95
5.6.170.0070.08721.04
5.6.160.0070.08021.17
5.6.150.0000.07721.03
5.6.140.0100.08021.10
5.6.130.0030.05320.95
5.6.120.0130.05721.05
5.6.110.0030.05321.09
5.6.100.0070.07720.93
5.6.90.0030.08020.99
5.6.80.0100.07320.43
5.6.70.0070.07720.41
5.6.60.0000.07020.42
5.6.50.0100.07020.45
5.6.40.0030.06720.35
5.6.30.0000.05020.31
5.6.20.0030.08020.35
5.6.10.0100.06020.29
5.6.00.0030.08020.41
5.5.360.0070.08020.34
5.5.350.0030.07320.41
5.5.340.0030.08020.80
5.5.330.0030.08720.88
5.5.320.0030.07320.88
5.5.310.0030.08720.88
5.5.300.0100.06720.82
5.5.290.0100.06320.72
5.5.280.0030.07020.90
5.5.270.0000.07020.79
5.5.260.0130.06720.87
5.5.250.0070.08320.68
5.5.240.0030.08320.17
5.5.230.0000.08320.27
5.5.220.0100.07020.16
5.5.210.0000.08720.01
5.5.200.0070.07320.24
5.5.190.0070.07320.21
5.5.180.0000.06020.20
5.5.160.0000.08320.14
5.5.150.0100.06020.26
5.5.140.0070.07720.22
5.5.130.0000.08320.26
5.5.120.0130.03720.11
5.5.110.0070.07720.17
5.5.100.0030.06020.05
5.5.90.0100.05720.06
5.5.80.0000.06720.15
5.5.70.0030.05019.93
5.5.60.0000.04320.04
5.5.50.0030.03720.05
5.5.40.0070.03319.91
5.5.30.0030.03720.13
5.5.20.0000.04320.14
5.5.10.0030.04320.11
5.5.00.0000.04020.04
5.4.450.0000.07319.55
5.4.440.0100.07319.14
5.4.430.0000.08019.28
5.4.420.0030.08019.27
5.4.410.0100.07319.31
5.4.400.0070.07019.07
5.4.390.0030.07019.11
5.4.380.0030.07018.90
5.4.370.0070.06719.09
5.4.360.0070.07318.94
5.4.350.0000.06318.95
5.4.340.0000.06719.14
5.4.320.0030.08019.07
5.4.310.0030.06719.23
5.4.300.0030.07318.96
5.4.290.0030.06719.23
5.4.280.0100.07019.07
5.4.270.0030.04018.97
5.4.260.0000.08019.09
5.4.250.0100.07019.11
5.4.240.0000.08018.97
5.4.230.0070.06719.24
5.4.220.0030.04018.95
5.4.210.0070.03319.08
5.4.200.0070.03319.02
5.4.190.0000.03718.97
5.4.180.0000.04019.24
5.4.170.0070.03718.93
5.4.160.0070.03318.88
5.4.150.0070.02718.79
5.4.140.0000.03016.25
5.4.130.0070.03016.22
5.4.120.0000.03316.22
5.4.110.0100.02716.30
5.4.100.0070.02716.40
5.4.90.0000.03016.26
5.4.80.0030.02716.31
5.4.70.0000.03716.36
5.4.60.0000.04716.30
5.4.50.0030.04316.19
5.4.40.0030.03016.34
5.4.30.0000.03016.30
5.4.20.0000.03016.30
5.4.10.0070.02716.32
5.4.00.0000.03015.66
5.3.290.0070.07014.52
5.3.280.0000.07714.60
5.3.270.0030.03714.61
5.3.260.0000.03714.60
5.3.250.0000.03714.51
5.3.240.0000.03714.57
5.3.230.0000.03014.55
5.3.220.0000.03714.43
5.3.210.0000.04714.47
5.3.200.0070.03314.50
5.3.190.0000.04314.55
5.3.180.0000.03014.52
5.3.170.0000.04714.55
5.3.160.0000.03014.57
5.3.150.0000.03014.55
5.3.140.0000.03014.43
5.3.130.0000.03014.53
5.3.120.0000.03014.45
5.3.110.0000.03014.53
5.3.100.0000.03013.89
5.3.90.0030.02714.00
5.3.80.0030.02713.96
5.3.70.0000.03014.00
5.3.60.0030.02713.99
5.3.50.0030.02713.89
5.3.40.0000.03013.88
5.3.30.0030.02713.90
5.3.20.0030.02713.65
5.3.10.0000.02713.59
5.3.00.0030.02713.59
5.2.170.0000.02311.14
5.2.160.0000.02310.98
5.2.150.0000.02311.12
5.2.140.0000.02310.97
5.2.130.0030.02011.08
5.2.120.0000.02311.09
5.2.110.0000.02311.15
5.2.100.0000.02311.09
5.2.90.0000.02711.17
5.2.80.0000.02710.95
5.2.70.0000.02711.02
5.2.60.0000.02310.91
5.2.50.0030.02011.00
5.2.40.0000.02311.04
5.2.30.0030.03010.82
5.2.20.0030.04010.79
5.2.10.0030.04010.91
5.2.00.0000.04710.79
5.1.60.0000.05010.02
5.1.50.0000.05310.07
5.1.40.0000.0579.98
5.1.30.0000.05010.28
5.1.20.0000.05710.39
5.1.10.0000.04310.05
5.1.00.0030.05710.05
5.0.50.0000.0509.36
5.0.40.0030.0439.36
5.0.30.0000.0679.36
5.0.20.0000.0439.36
5.0.10.0000.0479.36
5.0.00.0000.0709.36
4.4.90.0000.0179.36
4.4.80.0000.0109.36
4.4.70.0000.0139.36
4.4.60.0000.0309.36
4.4.50.0000.0209.36
4.4.40.0000.0539.36
4.4.30.0000.0279.36
4.4.20.0000.0379.36
4.4.10.0030.0279.36
4.4.00.0030.0509.36
4.3.110.0030.0309.36
4.3.100.0030.0339.36
4.3.90.0000.0309.36
4.3.80.0000.0509.36
4.3.70.0100.0209.36
4.3.60.0000.0339.36
4.3.50.0000.0339.36
4.3.40.0030.0509.36
4.3.30.0030.0339.36
4.3.20.0030.0379.36
4.3.10.0000.0339.36
4.3.00.0070.0339.36

preferences:
50.06 ms | 400 KiB | 5 Q