3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1; var_dump(isset($a->a[0][1]));

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)
8.3.60.0140.00718.18
8.3.50.0110.00822.05
8.3.40.0180.00018.90
8.3.30.0140.00319.23
8.3.20.0000.00720.34
8.3.10.0000.00721.86
8.3.00.0000.00817.63
8.2.180.0140.00418.14
8.2.170.0040.01122.96
8.2.160.0070.00720.35
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0040.00419.23
8.2.110.0090.00022.15
8.2.100.0120.00017.72
8.2.90.0050.00319.09
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0000.00917.93
8.2.50.0060.00618.07
8.2.40.0040.00418.22
8.2.30.0080.00019.75
8.2.20.0040.00417.75
8.2.10.0070.00018.00
8.2.00.0050.00218.17
8.1.280.0100.00725.92
8.1.270.0040.00420.18
8.1.260.0060.00326.35
8.1.250.0050.00228.09
8.1.240.0070.00422.54
8.1.230.0070.00420.89
8.1.220.0000.00818.77
8.1.210.0080.00018.79
8.1.200.0040.00417.23
8.1.190.0060.00317.40
8.1.180.0060.00618.10
8.1.170.0040.00418.58
8.1.160.0070.00018.77
8.1.150.0070.00018.71
8.1.140.0030.00517.39
8.1.130.0000.00817.88
8.1.120.0030.00417.28
8.1.110.0000.00717.30
8.1.100.0040.00417.29
8.1.90.0040.00417.44
8.1.80.0000.00717.32
8.1.70.0070.00017.32
8.1.60.0040.00417.54
8.1.50.0000.00817.45
8.1.40.0060.00617.39
8.1.30.0000.00817.42
8.1.20.0050.00217.63
8.1.10.0000.00817.56
8.1.00.0030.00517.56
8.0.300.0000.00719.90
8.0.290.0000.00717.16
8.0.280.0000.00718.38
8.0.270.0030.00317.20
8.0.260.0030.00317.11
8.0.250.0070.00016.89
8.0.240.0040.00416.89
8.0.230.0000.00716.82
8.0.220.0040.00416.77
8.0.210.0060.00016.75
8.0.200.0030.00516.90
8.0.190.0030.00516.85
8.0.180.0000.00716.80
8.0.170.0080.00016.79
8.0.160.0030.00316.79
8.0.150.0000.00816.80
8.0.140.0070.00016.82
8.0.130.0040.00413.30
8.0.120.0040.00416.78
8.0.110.0000.00716.75
8.0.100.0000.00716.75
8.0.90.0040.00416.88
8.0.80.0090.00616.88
8.0.70.0070.00016.73
8.0.60.0000.00716.86
8.0.50.0030.00616.66
8.0.30.0150.00617.03
8.0.20.0110.00617.40
8.0.10.0040.00416.76
8.0.00.0100.01116.59
7.4.330.0070.00015.03
7.4.320.0070.00016.52
7.4.300.0060.00016.63
7.4.290.0060.00016.49
7.4.280.0070.00016.56
7.4.270.0030.00316.51
7.4.260.0000.00716.42
7.4.250.0050.00216.57
7.4.240.0020.00516.59
7.4.230.0000.00616.35
7.4.220.0160.00916.66
7.4.210.0090.00916.55
7.4.200.0000.00716.69
7.4.160.0040.01116.62
7.4.150.0130.00317.40
7.4.140.0090.00817.86
7.4.130.0120.00716.60
7.4.120.0070.01116.50
7.4.110.0230.00316.54
7.4.100.0140.00716.57
7.4.90.0130.00316.45
7.4.80.0090.00919.39
7.4.70.0060.00916.35
7.4.60.0000.02116.68
7.4.50.0040.00416.25
7.4.40.0110.00516.74
7.4.30.0100.00716.40
7.4.00.0100.00814.86
7.3.330.0000.00513.21
7.3.320.0030.00313.21
7.3.310.0000.00716.10
7.3.300.0030.00316.16
7.3.290.0090.00416.25
7.3.280.0080.01116.32
7.3.270.0080.01017.40
7.3.260.0100.00616.46
7.3.250.0100.01116.39
7.3.240.0060.01216.59
7.3.230.0100.01016.42
7.3.210.0140.00416.48
7.3.200.0080.01419.39
7.3.190.0040.01116.54
7.3.180.0120.00916.42
7.3.170.0100.01016.27
7.3.160.0070.00916.32
7.3.120.0150.00414.61
7.3.110.0110.00714.83
7.3.100.0110.00715.00
7.3.90.0110.00614.85
7.3.80.0090.00614.54
7.3.70.0000.00914.81
7.3.60.0100.00314.68
7.3.50.0070.00714.66
7.3.40.0040.01215.01
7.3.30.0060.01214.81
7.3.20.0030.00916.65
7.3.10.0070.00716.70
7.3.00.0060.01016.73
7.2.330.0120.01116.66
7.2.320.0110.00616.50
7.2.310.0060.01216.42
7.2.300.0090.00616.58
7.2.290.0090.01416.54
7.2.250.0140.00314.81
7.2.240.0100.01015.17
7.2.230.0060.01015.14
7.2.220.0060.00915.05
7.2.210.0070.01014.76
7.2.200.0030.01014.77
7.2.190.0080.00414.71
7.2.180.0080.00614.81
7.2.170.0040.01114.92
7.2.00.0060.00619.07
7.1.330.0060.00915.61
7.1.320.0040.01115.79
7.1.310.0090.00615.86
7.1.300.0030.01015.77
7.1.290.0000.01215.48
7.1.280.0030.00615.69
7.1.270.0090.00915.85
7.1.260.0030.00915.74
7.1.100.0030.00717.99
7.1.70.0000.01017.05
7.1.60.0070.01719.50
7.1.50.0130.01016.50
7.1.00.0030.07722.51
7.0.200.0030.00716.37
7.0.60.0170.07320.00
7.0.50.0170.05317.86
7.0.40.0030.04720.27
7.0.30.0630.07020.02
7.0.20.0200.07320.13
7.0.10.0230.08320.01
7.0.00.0170.07320.16
5.6.280.0030.07321.07
5.6.210.0030.10020.47
5.6.200.0070.04018.12
5.6.190.0100.08720.41
5.6.180.0330.05720.23
5.6.170.0230.05020.54
5.6.160.0130.06020.46
5.6.150.0070.06718.22
5.6.140.0000.05318.20
5.6.130.0030.08318.18
5.6.120.0000.06021.11
5.6.110.0100.08321.08
5.6.100.0000.08721.02
5.6.90.0030.08721.03
5.6.80.0130.07720.37
5.6.70.4330.03020.37
5.5.350.0400.07020.30
5.5.340.0000.04317.92
5.5.330.0000.04720.21
5.5.320.0130.07020.38
5.5.310.0130.04320.21
5.5.300.0030.04717.95
5.5.290.0100.04717.87
5.5.280.0030.04020.80
5.5.270.0030.04320.61
5.5.260.0070.07720.64
5.5.250.0100.05020.58
5.5.240.0070.04020.07
5.4.450.0570.06319.09
5.4.440.0730.05319.44
5.4.430.0000.07319.61
5.4.420.0070.05719.48
5.4.410.0300.05718.88
5.4.400.0000.07018.77
5.4.390.0170.05018.46
5.4.380.0070.06018.63
5.4.370.0070.05718.59
5.4.360.0200.07018.65
5.4.350.0030.08318.69
5.4.340.0100.06018.67
5.4.320.0170.05318.67
5.4.310.0030.06318.74
5.4.300.0230.05018.79
5.4.290.0230.04318.74
5.4.280.0100.05718.46
5.4.270.0200.05718.49
5.4.260.0100.06018.76
5.4.250.0130.06018.49
5.4.240.0170.06318.73
5.4.230.0170.05018.68
5.4.220.0100.05718.64
5.4.210.0230.06018.68
5.4.200.0070.05716.50
5.4.190.0100.05318.57
5.4.180.0100.05718.55
5.4.170.0100.06318.77
5.4.160.0130.05718.54
5.4.150.0130.05318.50
5.4.140.0070.05316.23
5.4.130.0000.06716.26
5.4.120.0130.04716.31
5.4.110.0130.06016.21
5.4.100.0030.06016.05
5.4.90.0070.05316.34
5.4.80.0030.05716.05
5.4.70.0100.05316.29
5.4.60.0070.06016.17
5.4.50.0070.06716.16
5.4.40.0100.05316.12
5.4.30.0000.07016.02
5.4.20.0030.06316.05
5.4.10.0070.05316.20
5.4.00.0070.05315.49
5.3.290.0200.05314.69
5.3.280.0100.05714.58
5.3.270.0100.05714.65
5.3.260.0100.06014.51
5.3.250.0130.05314.53
5.3.240.0070.05714.50
5.3.230.0100.05314.50
5.3.220.0100.05314.49
5.3.210.0170.04714.61
5.3.200.0170.05314.61
5.3.190.0170.04314.65
5.3.180.0300.04014.54
5.3.170.0100.05314.52
5.3.160.0100.05314.56
5.3.150.0030.06014.45
5.3.140.0130.05014.64
5.3.130.0070.05314.49
5.3.120.0130.05314.62
5.3.110.0030.06014.55
5.3.100.0030.06013.94
5.3.90.0170.04313.93
5.3.80.0200.04314.01
5.3.70.0030.06013.97
5.3.60.0130.05313.95
5.3.50.0170.05013.85
5.3.40.0030.05713.92
5.3.30.0270.04013.90
5.3.20.0000.08013.72
5.3.10.0200.04013.74
5.3.00.0000.06013.57
5.2.170.0130.03711.14
5.2.160.0170.03711.28
5.2.150.0070.04711.05
5.2.140.0070.05011.13
5.2.130.0130.05311.13
5.2.120.0130.04711.07
5.2.110.0070.04011.13
5.2.100.0070.06011.07
5.2.90.0070.04311.08
5.2.80.0100.05711.05
5.2.70.0070.04311.15
5.2.60.0100.04011.09
5.2.50.0200.03011.01
5.2.40.0100.03711.14
5.2.30.0070.04010.97
5.2.20.0100.04011.11
5.2.10.0030.04310.96
5.2.00.0030.04310.77
5.1.60.0070.03310.05
5.1.50.0030.03710.04
5.1.40.0070.0339.95
5.1.30.0070.03710.39
5.1.20.0070.03710.44
5.1.10.0100.03310.04
5.1.00.0070.03710.16
5.0.50.0070.0308.61
5.0.40.0000.0378.43
5.0.30.0030.0478.21
5.0.20.0070.0278.32
5.0.10.0030.0378.20
5.0.00.0030.0478.19
4.4.90.0000.0335.82
4.4.80.0130.0275.88
4.4.70.0030.0305.89
4.4.60.0070.0205.88
4.4.50.0070.0305.82
4.4.40.0070.0335.90
4.4.30.0030.0275.91
4.4.20.0000.0275.96
4.4.10.0030.0235.88
4.4.00.0030.0435.91
4.3.110.0170.0175.80
4.3.100.0000.0235.83
4.3.90.0100.0205.78
4.3.80.0030.0335.81
4.3.70.0070.0235.82
4.3.60.0070.0235.87
4.3.50.0030.0335.89
4.3.40.0070.0435.73
4.3.30.0030.0304.57
4.3.20.0030.0204.55
4.3.10.0000.0234.54
4.3.00.0000.01314.44

preferences:
52.28 ms | 401 KiB | 5 Q