3v4l.org

run code in 300+ PHP versions simultaneously
<?php $items = array(new \stdClass(), new \stdClass()); $udiff = array_udiff($items, $items, function ($a, $b) { var_dump($a); var_dump($b); return $a === $b; }); var_dump($udiff);

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)
8.3.60.0110.00418.68
8.3.50.0140.00318.28
8.3.40.0110.00418.91
8.3.30.0110.00319.17
8.3.20.0070.00020.13
8.3.10.0000.00820.61
8.3.00.0080.00019.38
8.2.180.0070.00717.00
8.2.170.0100.00722.96
8.2.160.0000.01420.52
8.2.150.0000.00824.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00422.29
8.2.110.0080.00020.49
8.2.100.0080.00418.03
8.2.90.0050.00319.21
8.2.80.0040.00417.97
8.2.70.0000.01017.50
8.2.60.0060.00318.04
8.2.50.0000.00918.07
8.2.40.0030.00618.22
8.2.30.0040.00419.45
8.2.20.0050.00317.76
8.2.10.0040.00418.07
8.2.00.0000.00817.61
8.1.270.0040.00422.19
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0060.00323.96
8.1.230.0040.00719.02
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0030.00617.23
8.1.180.0050.00318.10
8.1.170.0080.00018.59
8.1.160.0040.00422.01
8.1.150.0000.00818.89
8.1.140.0000.00717.47
8.1.130.0000.00717.79
8.1.120.0050.00217.41
8.1.110.0000.00817.45
8.1.100.0040.00417.52
8.1.90.0030.00617.45
8.1.80.0000.00717.35
8.1.70.0030.00317.47
8.1.60.0060.00317.56
8.1.50.0000.00817.43
8.1.40.0050.00317.48
8.1.30.0000.00817.63
8.1.20.0000.00717.67
8.1.10.0000.00917.60
8.1.00.0040.00417.51
8.0.300.0090.00018.77
8.0.290.0040.00416.75
8.0.280.0000.00718.44
8.0.270.0030.00317.26
8.0.260.0050.00517.11
8.0.250.0030.00316.93
8.0.240.0070.00016.98
8.0.230.0000.00716.89
8.0.220.0000.00716.98
8.0.210.0060.00017.00
8.0.200.0030.00317.01
8.0.190.0030.00317.03
8.0.180.0050.00316.97
8.0.170.0000.00716.82
8.0.160.0040.00417.07
8.0.150.0070.00016.93
8.0.140.0080.00016.84
8.0.130.0030.00313.37
8.0.120.0050.00316.92
8.0.110.0000.00716.89
8.0.100.0040.00416.84
8.0.90.0040.00417.02
8.0.80.0060.01316.95
8.0.70.0040.00416.79
8.0.60.0030.00516.83
8.0.50.0000.00716.77
8.0.30.0120.00817.19
8.0.20.0120.00717.40
8.0.10.0040.00417.05
8.0.00.0100.00816.57
7.4.330.0050.00015.02
7.4.320.0040.00416.69
7.4.300.0030.00316.52
7.4.290.0000.00716.57
7.4.280.0040.00416.50
7.4.270.0040.00416.63
7.4.260.0040.00416.54
7.4.250.0070.00016.45
7.4.240.0010.00616.60
7.4.230.0030.00316.59
7.4.220.0160.01016.49
7.4.210.0030.01216.47
7.4.200.0000.00716.39
7.4.160.0090.00916.65
7.4.150.0180.00017.40
7.4.140.0090.01117.86
7.4.130.0120.00816.52
7.4.120.0110.00616.62
7.4.110.0130.01016.38
7.4.100.0180.00316.49
7.4.90.0090.00916.32
7.4.80.0090.00919.39
7.4.70.0100.00716.46
7.4.60.0080.00816.42
7.4.50.0000.00816.43
7.4.40.0080.00816.28
7.4.30.0030.01416.65
7.4.00.0030.01314.79
7.3.330.0030.00313.33
7.3.320.0000.00613.10
7.3.310.0070.00016.30
7.3.300.0070.00016.18
7.3.290.0100.01016.27
7.3.280.0080.01116.30
7.3.270.0110.00617.40
7.3.260.0150.00316.20
7.3.250.0060.01116.38
7.3.240.0130.00316.31
7.3.230.0090.00616.47
7.3.210.0000.01816.33
7.3.200.0120.01019.39
7.3.190.0090.01216.32
7.3.180.0080.01216.49
7.3.170.0110.00516.48
7.3.160.0060.01016.45
7.2.330.0140.00916.73
7.2.320.0110.00616.58
7.2.310.0050.01416.56
7.2.300.0060.01216.29
7.2.290.0060.01316.64
7.2.60.0150.00316.77
7.1.200.0120.00015.49
7.1.100.0080.00318.29
7.1.70.0090.00317.27
7.1.60.0170.00719.12
7.1.50.0070.01716.61
7.1.00.0070.07322.28
7.0.200.0000.00716.56
7.0.140.0000.08022.18
7.0.110.0070.05320.08
7.0.100.0100.06719.96
7.0.90.0100.08020.05
7.0.80.0070.07719.96
7.0.70.0070.08319.80
7.0.60.0030.08320.04
7.0.50.0070.08720.41
7.0.40.0100.08020.16
7.0.30.0070.09020.06
7.0.20.0200.07720.05
7.0.10.0130.07720.24
7.0.00.0100.08320.27
5.6.280.0100.06721.10
5.6.250.0030.08720.62
5.6.240.0170.07720.58
5.6.230.0070.06720.70
5.6.220.0130.08020.54
5.6.210.0030.06320.68
5.6.200.0130.07721.20
5.6.190.0170.07320.96
5.6.180.0130.06020.99
5.6.170.0130.08020.95
5.6.160.0000.08021.06
5.6.150.0070.08321.13
5.6.140.0100.04020.94
5.6.130.0100.07321.21
5.6.120.0070.08321.03
5.6.110.0100.07720.94
5.6.100.0030.08021.18
5.6.90.0100.07321.00
5.6.80.0100.06320.37
5.6.70.0100.08020.34
5.6.60.0000.08320.32
5.6.50.0100.07320.54
5.6.40.0170.07320.31
5.6.30.0170.07020.58
5.6.20.0070.08720.38
5.6.10.0170.06020.47
5.6.00.0100.08020.49
5.5.380.0100.08320.33
5.5.370.0030.08320.46
5.5.360.0100.08020.56
5.5.350.0100.07320.41
5.5.340.0100.07320.78
5.5.330.0130.07720.96
5.5.320.0130.07720.87
5.5.310.0100.07320.78
5.5.300.0030.05320.84
5.5.290.0030.08320.84
5.5.280.0030.08020.89
5.5.270.0030.08320.77
5.5.260.0100.08020.73
5.5.250.0030.09020.56
5.5.240.0230.06320.13
5.5.230.0100.08020.34
5.5.220.0070.06320.36
5.5.210.0130.07720.41
5.5.200.0070.08320.30
5.5.190.0000.04720.25
5.5.180.0130.05320.30
5.5.160.0100.03720.21
5.5.150.0100.07020.28
5.5.140.0100.07720.33
5.5.130.0200.06720.26
5.5.120.0100.04320.12
5.5.110.0170.07320.30
5.5.100.0070.08020.21
5.5.90.0030.08020.21
5.5.80.0270.03720.27
5.5.70.0030.04320.16
5.5.60.0100.05720.13
5.5.50.0130.06720.13
5.5.40.0130.07020.20
5.5.30.0130.07020.04
5.5.20.0130.07020.13
5.5.10.0070.07720.02
5.5.00.0130.08020.01
5.4.450.0100.07319.39
5.4.440.0100.07719.33
5.4.430.0070.08019.50
5.4.420.0100.07319.66
5.4.410.0130.07019.20
5.4.400.0130.06319.01
5.4.390.0070.07019.04
5.4.380.0170.06719.01
5.4.370.0130.06719.01
5.4.360.0100.05319.23
5.4.350.0100.07719.03
5.4.340.0070.07718.98
5.4.320.0000.08019.14
5.4.310.0130.05719.19
5.4.300.0130.07019.18
5.4.290.0100.07019.14
5.4.280.0070.08019.22
5.4.270.0100.07718.98
5.4.260.0030.07319.04
5.4.250.0100.07719.18
5.4.240.0030.07019.22
5.4.230.0130.06319.00
5.4.220.0030.07719.03
5.4.210.0130.06319.02
5.4.200.0130.04019.13
5.4.190.0100.06719.16
5.4.180.0100.06019.02
5.4.170.0070.08019.17
5.4.160.0030.07318.98
5.4.150.0070.07718.97
5.4.140.0070.07716.63
5.4.130.0030.07716.58
5.4.120.0000.07316.50
5.4.110.0070.07016.55
5.4.100.0030.07316.46
5.4.90.0000.08716.36
5.4.80.0070.06316.41
5.4.70.0130.06316.34
5.4.60.0070.07316.54
5.4.50.0100.07016.38
5.4.40.0030.06316.44
5.4.30.0070.07016.40
5.4.20.0070.04316.39
5.4.10.0070.07316.40
5.4.00.0130.06015.82
5.3.290.0070.07014.66
5.3.280.0100.06714.67
5.3.270.0130.07314.60
5.3.260.0070.07714.69
5.3.250.0170.06314.61
5.3.240.0030.07714.60
5.3.230.0070.07014.60
5.3.220.0030.07314.65
5.3.210.0100.07014.60
5.3.200.0030.04314.59
5.3.190.0030.07714.62
5.3.180.0100.06314.56
5.3.170.0070.07714.57
5.3.160.0030.08014.79
5.3.150.0100.07014.66
5.3.140.0100.04014.56
5.3.130.0100.07014.55
5.3.120.0070.08314.54
5.3.110.0200.03314.55
5.3.100.0030.08014.13
5.3.90.0100.06014.05
5.3.80.0030.08014.15
5.3.70.0070.07314.03
5.3.60.0070.07714.01
5.3.50.0100.07014.05
5.3.40.0100.06314.00
5.3.30.0070.07013.93
5.3.20.0100.07013.83
5.3.10.0100.03313.72
5.3.00.0070.05713.49
5.2.170.0030.06710.93
5.2.160.0030.04711.21
5.2.150.0030.06311.30
5.2.140.0070.06311.06
5.2.130.0070.05711.11
5.2.120.0100.05711.16
5.2.110.0000.06711.11
5.2.100.0100.06011.09
5.2.90.0030.03310.91
5.2.80.0030.06710.98
5.2.70.0070.06010.98
5.2.60.0070.04710.83
5.2.50.0100.03310.81
5.2.40.0000.06311.15
5.2.30.0070.04010.89
5.2.20.0030.02711.04
5.2.10.0000.03010.95
5.2.00.0030.03010.62
5.1.60.0030.03310.16
5.1.50.0000.03310.16
5.1.40.0000.02710.04
5.1.30.0000.03010.35
5.1.20.0000.03310.36
5.1.10.0030.02310.08
5.1.00.0000.04310.22
5.0.50.0030.0238.51
5.0.40.0000.0208.46
5.0.30.0000.0308.46
5.0.20.0000.0208.46
5.0.10.0000.0338.46
5.0.00.0000.0308.46
4.4.90.0030.0378.46
4.4.80.0000.0408.46
4.4.70.0000.0178.46
4.4.60.0000.0178.46
4.4.50.0000.0208.46
4.4.40.0070.0208.46
4.4.30.0000.0178.46
4.4.20.0000.0178.46
4.4.10.0030.0138.46
4.4.00.0030.0208.46
4.3.110.0030.0138.46
4.3.100.0000.0178.46
4.3.90.0000.0138.46
4.3.80.0000.0238.46
4.3.70.0030.0138.46
4.3.60.0030.0338.46
4.3.50.0000.0178.46
4.3.40.0000.0408.46
4.3.30.0000.0178.46
4.3.20.0000.0178.46
4.3.10.0000.0178.46
4.3.00.0030.0278.46

preferences:
39.96 ms | 400 KiB | 5 Q