3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('a' => 1, 'b' => 2, 'c' => 3); $b = array('a' => 1, 'b' => 2, 'c' => 3); var_dump(count(array_diff_key($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)
8.3.40.0120.00918.57
8.3.30.0100.00318.79
8.3.20.0070.00019.98
8.3.10.0040.00423.40
8.3.00.0040.00419.13
8.2.170.0090.00622.96
8.2.160.0070.00720.35
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00326.16
8.2.120.0000.00822.25
8.2.110.0060.00322.11
8.2.100.0080.00317.72
8.2.90.0090.00018.99
8.2.80.0000.00817.97
8.2.70.0030.00617.63
8.2.60.0040.00417.91
8.2.50.0000.00818.07
8.2.40.0050.00318.09
8.2.30.0000.00718.05
8.2.20.0060.00317.68
8.2.10.0040.00418.07
8.2.00.0000.00817.57
8.1.270.0030.00623.88
8.1.260.0070.00026.35
8.1.250.0030.00628.09
8.1.240.0060.00323.90
8.1.230.0090.00318.96
8.1.220.0030.00517.74
8.1.210.0060.00318.77
8.1.200.0060.00317.10
8.1.190.0040.00417.43
8.1.180.0000.00818.10
8.1.170.0030.00518.48
8.1.160.0020.00521.95
8.1.150.0040.00418.66
8.1.140.0000.00717.40
8.1.130.0060.00017.73
8.1.120.0070.00017.46
8.1.110.0030.00417.33
8.1.100.0050.00217.41
8.1.90.0000.00817.44
8.1.80.0040.00417.48
8.1.70.0030.00317.38
8.1.60.0060.00317.46
8.1.50.0000.00817.41
8.1.40.0040.00417.52
8.1.30.0030.00617.44
8.1.20.0040.00417.66
8.1.10.0050.00217.47
8.1.00.0000.00717.35
8.0.300.0020.00518.77
8.0.290.0000.00717.05
8.0.280.0040.00418.24
8.0.270.0000.00817.09
8.0.260.0000.00816.79
8.0.250.0060.00016.76
8.0.240.0070.00016.80
8.0.230.0050.00316.87
8.0.220.0060.00016.80
8.0.210.0040.00416.70
8.0.200.0030.00316.74
8.0.190.0120.00016.98
8.0.180.0000.00816.83
8.0.170.0000.00716.85
8.0.160.0050.00216.98
8.0.150.0000.00716.72
8.0.140.0070.00016.84
8.0.130.0030.00313.33
8.0.120.0050.00316.86
8.0.110.0040.00416.88
8.0.100.0050.00316.84
8.0.90.0000.00716.90
8.0.80.0040.01216.91
8.0.70.0000.00716.88
8.0.60.0030.00316.92
8.0.50.0040.00416.91
8.0.30.0100.01416.89
8.0.20.0110.00817.40
8.0.10.0040.00416.87
8.0.00.0120.00816.83
7.4.330.0050.00015.10
7.4.320.0000.00616.63
7.4.300.0040.00416.56
7.4.290.0000.00916.57
7.4.280.0000.00916.38
7.4.270.0070.00016.35
7.4.260.0060.00316.39
7.4.250.0040.00416.50
7.4.240.0020.00616.52
7.4.230.0050.00216.33
7.4.220.0090.01216.51
7.4.210.0060.01016.57
7.4.200.0070.00016.66
7.4.190.0030.00416.65
7.4.160.0000.01516.66
7.4.150.0130.00617.40
7.4.140.0080.01117.86
7.4.130.0120.00416.49
7.4.120.0140.00216.47
7.4.110.0100.00716.53
7.4.100.0130.01016.63
7.4.90.0100.00616.46
7.4.80.0100.00619.39
7.4.70.0120.00316.38
7.4.60.0100.01316.30
7.4.50.0080.00016.26
7.4.40.0070.01022.77
7.4.30.0120.00316.70
7.4.00.0100.00714.90
7.3.330.0000.00613.03
7.3.320.0020.00213.11
7.3.310.0070.00016.06
7.3.300.0030.00316.03
7.3.290.0160.00016.18
7.3.280.0060.01016.20
7.3.270.0130.00617.40
7.3.260.0060.00916.29
7.3.250.0090.01116.46
7.3.240.0070.01116.33
7.3.230.0070.01016.52
7.3.210.0080.00816.23
7.3.200.0170.00619.39
7.3.190.0090.00916.48
7.3.180.0120.00416.22
7.3.170.0030.01216.27
7.3.160.0100.00716.43
7.3.120.0090.00814.75
7.3.110.0030.01414.88
7.3.100.0030.01014.70
7.3.90.0100.00714.91
7.3.80.0030.00615.04
7.3.70.0060.00914.76
7.3.60.0070.00414.61
7.3.50.0090.00614.43
7.3.40.0090.00614.78
7.3.30.0130.00314.71
7.3.20.0100.00716.61
7.3.10.0080.00316.34
7.3.00.0040.00516.46
7.2.330.0150.00316.48
7.2.320.0140.00316.24
7.2.310.0040.01216.63
7.2.300.0170.00016.51
7.2.290.0030.01616.71
7.2.250.0040.01514.80
7.2.240.0090.01214.65
7.2.230.0090.00614.99
7.2.220.0000.01314.95
7.2.210.0040.00814.96
7.2.200.0060.00614.70
7.2.190.0080.00514.62
7.2.180.0060.00914.81
7.2.170.0040.00814.74
7.2.130.0030.00916.62
7.2.120.0110.00416.13
7.2.110.0120.00016.69
7.2.100.0030.01016.87
7.2.90.0070.01016.70
7.2.80.0030.00716.72
7.2.70.0000.01016.75
7.2.60.0070.01116.74
7.2.50.0180.00716.84
7.2.40.0100.01016.80
7.2.30.0120.00616.69
7.2.20.0090.00316.68
7.2.10.0040.00716.69
7.2.00.0040.01117.90
7.1.330.0090.00615.95
7.1.320.0000.00915.81
7.1.310.0030.01015.56
7.1.300.0100.00315.39
7.1.290.0000.01115.41
7.1.280.0100.00315.81
7.1.270.0000.01515.90
7.1.260.0030.00915.75
7.1.250.0040.00715.27
7.1.100.0000.00817.95
7.1.70.0060.00317.13
7.1.60.0100.01319.33
7.1.50.0090.00616.98
7.1.00.0070.07322.56
7.0.200.0050.00316.84
7.0.140.0030.07322.00
7.0.100.0270.04319.97
7.0.90.0300.05019.91
7.0.80.0230.03719.97
7.0.70.0200.03719.91
7.0.60.0270.03720.03
7.0.50.0200.07020.28
7.0.40.0030.06320.11
7.0.30.0070.04020.11
7.0.20.0070.07320.13
7.0.10.0030.04320.04
7.0.00.0030.07720.14
5.6.280.0030.07320.90
5.6.250.0030.03720.54
5.6.240.0070.04020.55
5.6.230.0030.04320.57
5.6.220.0030.04320.43
5.6.210.0000.04720.61
5.6.200.0030.04321.03
5.6.190.0030.04321.10
5.6.180.0070.04021.13
5.6.170.0070.04321.08
5.6.160.0030.08721.03
5.6.150.0070.08321.11
5.6.140.0000.08021.08
5.6.130.0130.07720.93
5.6.120.0170.07721.00
5.6.110.0030.07721.04
5.6.100.0070.07721.04
5.6.90.0070.08320.92
5.6.80.0000.08320.45
5.6.70.0100.08320.48
5.6.60.0030.04720.38
5.6.50.0100.07320.55
5.6.40.0130.07320.41
5.6.30.0170.06320.30
5.6.20.0070.08320.46
5.6.10.0100.07720.38
5.6.00.0170.04020.38
5.5.380.0000.04020.32
5.5.370.0030.04720.32
5.5.360.0000.04720.50
5.5.350.0000.06320.39
5.5.340.0000.06720.63
5.5.330.0000.05020.72
5.5.320.0000.04320.72
5.5.310.0100.08320.75
5.5.300.0000.08720.81
5.5.290.0130.06020.90
5.5.280.0070.07720.63
5.5.270.0100.08320.88
5.5.260.0130.07720.82
5.5.250.0130.05720.74
5.5.240.0030.09020.14
5.5.230.0130.06320.26
5.5.220.0130.06720.25
5.5.210.0000.08320.19
5.5.200.0100.06319.99
5.5.190.0100.04320.23
5.5.180.0030.08320.13
5.5.160.0100.07720.21
5.5.150.0230.06720.14
5.5.140.0100.07319.95
5.5.130.0070.05720.12
5.5.120.0070.05020.07
5.5.110.0200.07319.98
5.5.100.0100.07019.97
5.5.90.0100.08020.16
5.5.80.0030.07020.12
5.5.70.0100.08019.98
5.5.60.0030.04320.14
5.5.50.0130.06720.14
5.5.40.0000.07720.02
5.5.30.0070.08020.13
5.5.20.0170.07020.08
5.5.10.0100.07319.96
5.5.00.0200.06719.95
5.4.450.0000.06319.36
5.4.440.0130.06019.46
5.4.430.0270.06319.27
5.4.420.0130.07019.46
5.4.410.0030.05319.18
5.4.400.0000.07018.98
5.4.390.0030.08019.06
5.4.380.0100.07318.98
5.4.370.0070.06718.90
5.4.360.0100.04019.14
5.4.350.0130.07718.90
5.4.340.0030.08319.05
5.4.320.0100.04019.14
5.4.310.0130.07019.25
5.4.300.0100.06319.02
5.4.290.0100.07719.03
5.4.280.0130.07719.07
5.4.270.0100.06318.96
5.4.260.0100.07319.12
5.4.250.0030.07319.10
5.4.240.0100.07319.11
5.4.230.0270.06019.22
5.4.220.0070.07319.02
5.4.210.0070.05718.78
5.4.200.0070.07319.04
5.4.190.0100.06718.97
5.4.180.0070.08018.89
5.4.170.0030.05319.13
5.4.160.0000.04719.01
5.4.150.0070.05019.02
5.4.140.0030.04016.12
5.4.130.0000.04316.36
5.4.120.0100.07016.32
5.4.110.0030.06016.21
5.4.100.0130.07016.30
5.4.90.0070.07716.26
5.4.80.0100.03716.21
5.4.70.0130.06716.36
5.4.60.0000.05316.33
5.4.50.0070.07016.28
5.4.40.0070.06016.23
5.4.30.0100.07016.31
5.4.20.0130.06316.30
5.4.10.0030.07716.31
5.4.00.0030.03715.81
5.3.290.0070.07314.66
5.3.280.0000.06714.59
5.3.270.0200.06314.57
5.3.260.0100.04014.60
5.3.250.0000.05714.55
5.3.240.0070.07314.59
5.3.230.0070.07714.57
5.3.220.0030.08014.50
5.3.210.0030.08014.43
5.3.200.0030.07714.58
5.3.190.0130.07014.42
5.3.180.0030.04714.38
5.3.170.0070.08014.43
5.3.160.0170.06314.55
5.3.150.0130.06714.56
5.3.140.0000.07714.42
5.3.130.0130.07314.50
5.3.120.0100.08014.54
5.3.110.0170.06314.41
5.3.100.0030.04314.02
5.3.90.0070.07314.03
5.3.80.0030.07714.02
5.3.70.0070.04013.99
5.3.60.0130.06313.97
5.3.50.0070.06313.90
5.3.40.0030.06713.88
5.3.30.0100.04013.76
5.3.20.0030.06013.69
5.3.10.0130.04713.64
5.3.00.0130.06713.61
5.2.170.0030.06012.31
5.2.160.0070.05712.31
5.2.150.0070.05712.31
5.2.140.0070.06312.31
5.2.130.0100.06012.31
5.2.120.0030.04312.31
5.2.110.0070.04312.31
5.2.100.0070.03012.31
5.2.90.0030.05312.31
5.2.80.0070.05012.31
5.2.70.0070.06312.31
5.2.60.0100.04012.31
5.2.50.0030.06312.31
5.2.40.0030.06312.31
5.2.30.0070.06012.31
5.2.20.0000.05312.31
5.2.10.0070.06012.31
5.2.00.0100.05312.31
5.1.60.0100.05012.31
5.1.50.0000.04712.31
5.1.40.0000.05312.31
5.1.30.0000.03712.31
5.1.20.0000.05712.31
5.1.10.0030.03012.31
5.1.00.0070.04712.31
5.0.50.0070.05012.31
5.0.40.0070.04312.31
5.0.30.0030.05312.31
5.0.20.0000.04012.31
5.0.10.0030.04012.31
5.0.00.0000.05312.31
4.4.90.0030.03312.31
4.4.80.0030.02712.31
4.4.70.0030.02012.31
4.4.60.0030.02012.31
4.4.50.0030.03312.31
4.4.40.0070.05312.31
4.4.30.0000.04012.31
4.4.20.0070.03012.31
4.4.10.0070.03312.31
4.4.00.0030.03712.31
4.3.110.0030.03312.31
4.3.100.0000.03712.31
4.3.90.0030.03312.31
4.3.80.0100.04712.31
4.3.70.0000.03712.31
4.3.60.0000.03012.31
4.3.50.0000.03712.31
4.3.40.0000.05312.31
4.3.30.0070.03012.31
4.3.20.0000.02012.31
4.3.10.0000.04012.31
4.3.00.0070.03012.31

preferences:
40.41 ms | 400 KiB | 5 Q