3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Tests { } $a = array('Test' => 'foo'); $b = new Test(); var_dump(isset($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)
8.3.60.0100.01018.43
8.3.50.0140.00921.92
8.3.40.0040.01118.84
8.3.30.0060.00919.09
8.3.20.0050.00220.25
8.3.10.0000.00822.04
8.3.00.0000.00822.34
8.2.180.0150.00416.75
8.2.170.0090.01222.96
8.2.160.0090.00620.52
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00419.38
8.2.110.0080.00022.11
8.2.100.0120.00317.72
8.2.90.0000.00819.04
8.2.80.0050.00317.97
8.2.70.0000.00817.63
8.2.60.0000.00817.93
8.2.50.0030.00618.07
8.2.40.0030.00518.03
8.2.30.0000.00717.88
8.2.20.0060.00317.56
8.2.10.0000.00819.59
8.2.00.0040.00417.66
8.1.280.0090.00625.92
8.1.270.0050.00322.20
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0080.00023.83
8.1.230.0090.00319.04
8.1.220.0050.00217.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0090.00017.30
8.1.180.0060.00318.10
8.1.170.0090.00018.47
8.1.160.0000.00722.02
8.1.150.0040.00418.50
8.1.140.0000.00817.27
8.1.130.0040.00417.83
8.1.120.0030.00617.43
8.1.110.0040.00417.36
8.1.100.0050.00217.39
8.1.90.0030.00317.29
8.1.80.0000.00717.39
8.1.70.0070.00017.39
8.1.60.0000.00917.58
8.1.50.0050.00317.54
8.1.40.0000.00717.37
8.1.30.0000.00817.59
8.1.20.0030.00617.56
8.1.10.0000.00717.46
8.1.00.0000.00817.59
8.0.300.0000.00718.77
8.0.290.0000.00817.16
8.0.280.0080.00018.34
8.0.270.0030.00317.11
8.0.260.0030.00316.79
8.0.250.0040.00416.84
8.0.240.0050.00216.89
8.0.230.0000.00716.83
8.0.220.0000.00716.94
8.0.210.0030.00316.90
8.0.200.0050.00316.98
8.0.190.0030.00616.84
8.0.180.0000.00716.80
8.0.170.0000.00816.95
8.0.160.0000.00716.89
8.0.150.0000.00716.75
8.0.140.0040.00416.87
8.0.130.0060.00013.37
8.0.120.0060.00316.82
8.0.110.0040.00416.78
8.0.100.0050.00316.75
8.0.90.0000.00716.87
8.0.80.0060.01016.79
8.0.70.0000.00716.92
8.0.60.0000.00716.98
8.0.50.0040.00416.93
8.0.30.0140.00517.10
8.0.20.0130.00617.40
8.0.10.0050.00217.07
8.0.00.0090.00916.82
7.4.330.0060.00015.05
7.4.320.0030.00316.55
7.4.300.0000.00716.51
7.4.290.0040.00416.50
7.4.280.0050.00216.61
7.4.270.0030.00316.48
7.4.260.0070.00016.43
7.4.250.0070.00016.46
7.4.240.0020.00516.49
7.4.230.0070.00016.67
7.4.220.0090.00916.54
7.4.210.0050.01016.69
7.4.200.0030.00316.42
7.4.190.0030.00316.74
7.4.160.0100.00616.49
7.4.150.0140.00717.40
7.4.140.0120.01017.86
7.4.130.0070.01416.56
7.4.120.0060.01116.57
7.4.110.0040.01416.70
7.4.100.0090.00916.61
7.4.90.0130.01016.55
7.4.80.0120.00619.39
7.4.70.0070.01016.67
7.4.60.0080.00816.48
7.4.50.0060.00316.73
7.4.40.0000.00922.77
7.4.30.0040.01216.35
7.4.00.0080.00415.06
7.3.330.0030.00313.29
7.3.320.0030.00313.24
7.3.310.0030.00316.12
7.3.300.0030.00316.16
7.3.290.0030.01016.27
7.3.280.0100.00716.33
7.3.270.0070.01017.40
7.3.260.0090.01516.47
7.3.250.0110.00616.53
7.3.240.0080.01316.34
7.3.230.0120.00416.39
7.3.210.0030.01316.35
7.3.200.0130.00319.39
7.3.190.0100.01016.24
7.3.180.0150.00016.37
7.3.170.0070.01016.30
7.3.160.0060.00916.39
7.3.120.0030.00614.66
7.3.10.0060.00616.31
7.3.00.0090.00516.40
7.2.330.0120.00616.34
7.2.320.0210.00016.58
7.2.310.0110.01116.38
7.2.300.0090.01516.16
7.2.290.0060.01016.55
7.2.130.0040.00916.63
7.2.120.0000.01116.63
7.2.110.0060.00316.72
7.2.100.0150.00316.56
7.2.90.0110.00416.33
7.2.80.0120.00616.58
7.2.70.0030.01016.67
7.2.60.0080.00616.55
7.2.50.0040.01116.63
7.2.40.0140.00416.69
7.2.30.0110.00816.89
7.2.20.0110.01116.73
7.2.10.0040.01216.73
7.2.00.0070.00518.07
7.1.250.0100.00015.30
7.1.200.0080.00015.51
7.1.100.0040.00817.84
7.1.70.0030.00516.75
7.1.60.0130.01019.82
7.1.50.0090.01516.89
7.1.00.0130.06722.30
7.0.200.0150.00716.75
7.0.140.0000.07722.07
7.0.60.0000.07019.86
7.0.50.0030.04017.97
7.0.40.0030.04720.11
7.0.30.0270.04020.07
7.0.20.0170.07720.10
7.0.10.0130.05320.12
7.0.00.0100.04020.30
5.6.280.0000.07320.86
5.6.210.0130.07320.75
5.6.200.0100.08018.28
5.6.190.0070.07720.58
5.6.180.3130.04320.77
5.6.170.0130.04720.71
5.6.160.0100.05720.50
5.6.150.0030.04018.15
5.6.140.0130.08018.29
5.6.130.0100.07718.18
5.6.120.0070.08721.01
5.6.110.0100.08021.04
5.6.100.0170.07721.01
5.6.90.0070.08321.04
5.6.80.0070.06020.53
5.5.350.0070.07720.33
5.5.340.0100.07318.07
5.5.330.0100.04320.40
5.5.320.0330.04020.42
5.5.310.0400.06020.35
5.5.300.0200.07318.02
5.5.290.0030.04318.01
5.5.280.0070.03720.73
5.5.270.0030.08720.76
5.5.260.0030.05720.84
5.5.250.0100.05020.50
5.5.240.0170.08020.07
5.4.450.0930.03719.57
5.4.440.0830.05019.30
5.4.430.0930.03019.41
5.4.420.0700.03319.52
5.4.410.0470.04019.19
5.4.400.0570.03018.95
5.4.390.0300.04019.08
5.4.380.0300.05718.78
5.4.370.0200.06018.80
5.4.360.0230.05718.53
5.4.350.0470.04318.83
5.4.340.0700.05318.63
5.4.320.0050.04912.50
5.4.310.0050.04912.50
5.4.300.0060.05112.50
5.4.290.0060.03812.49
5.4.280.0080.03812.39
5.4.270.0110.03312.39
5.4.260.0080.03912.39
5.4.250.0090.03512.39
5.4.240.0080.03912.39
5.4.230.0100.04412.38
5.4.220.0100.04112.38
5.4.210.0050.04212.38
5.4.200.0070.03712.39
5.4.190.0030.06718.82
5.4.180.0130.07018.77
5.4.170.0100.05718.92
5.4.160.0000.05718.73
5.4.150.0070.05318.92
5.4.140.0100.04716.52
5.4.130.0030.05316.54
5.4.120.0000.05316.54
5.4.110.0130.06716.55
5.4.100.0030.05016.64
5.4.90.0100.04716.40
5.4.80.0170.06316.63
5.4.70.0130.04716.34
5.4.60.0170.06016.46
5.4.50.0070.04716.29
5.4.40.0070.04716.57
5.4.30.0130.06016.48
5.4.20.0030.05016.34
5.4.10.0100.04716.37
5.4.00.0130.05315.93
5.3.290.0090.04512.80
5.3.280.0070.04112.71
5.3.270.0070.05314.68
5.3.260.0100.06014.68
5.3.250.0130.07014.70
5.3.240.0100.04714.58
5.3.230.0070.05714.67
5.3.220.0070.05014.56
5.3.210.0100.05314.71
5.3.200.0100.07014.54
5.3.190.0100.05714.54
5.3.180.0070.05314.68
5.3.170.0070.04714.72
5.3.160.0170.05714.55
5.3.150.0000.07014.56
5.3.140.0000.05714.63
5.3.130.0100.05014.50
5.3.120.0070.07014.63
5.3.110.0170.04014.55
5.3.100.0100.04714.18
5.3.90.0130.07014.17
5.3.80.0130.04314.09
5.3.70.0030.05314.02
5.3.60.0100.06014.09
5.3.50.0170.04314.02
5.3.40.0030.05714.02
5.3.30.0070.05314.08
5.3.20.0070.04713.91
5.3.10.0000.05013.64
5.3.00.0000.05313.65
5.2.170.0100.03711.21
5.2.160.0100.03711.36
5.2.150.0000.05711.22
5.2.140.0000.04711.31
5.2.130.0130.03311.19
5.2.120.0070.04711.09
5.2.110.0100.03311.08
5.2.100.0030.04011.18
5.2.90.0130.03711.14
5.2.80.0000.05011.24
5.2.70.0070.04711.07
5.2.60.0130.04711.02
5.2.50.0100.05311.19
5.2.40.0030.04010.97
5.2.30.0030.04310.79
5.2.20.0070.03711.01
5.2.10.0100.03710.68
5.2.00.0030.04010.73
5.1.60.0070.03010.06
5.1.50.0100.04010.04
5.1.40.0100.0279.89
5.1.30.0100.04710.40
5.1.20.0100.03010.42
5.1.10.0070.03310.16
5.1.00.0130.04010.13
5.0.50.0000.0308.45
5.0.40.0000.0308.40
5.0.30.0030.0478.05
5.0.20.0030.0308.13
5.0.10.0030.0278.16
5.0.00.0070.0407.99
4.4.90.0000.0276.78
4.4.80.0000.0236.78
4.4.70.0000.0236.78
4.4.60.0030.0206.78
4.4.50.0000.0236.78
4.4.40.0030.0336.78
4.4.30.0030.0206.78
4.4.20.0000.0236.78
4.4.10.0030.0206.78
4.4.00.0070.0306.78
4.3.110.0000.0236.78
4.3.100.0000.0236.78
4.3.90.0000.0236.78
4.3.80.0030.0306.78
4.3.70.0030.0176.78
4.3.60.0030.0176.78
4.3.50.0000.0236.78
4.3.40.0030.0336.78
4.3.30.0000.0276.78
4.3.20.0030.0206.78
4.3.10.0000.0236.78
4.3.00.0170.01713.49

preferences:
46.04 ms | 401 KiB | 5 Q