3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array("a" => 5); echo !isset($a['d']);

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)
8.3.60.0110.00318.43
8.3.50.0200.00921.14
8.3.40.0090.00618.83
8.3.30.0070.00720.29
8.3.20.0040.01120.19
8.3.10.0080.00021.83
8.3.00.0080.00822.29
8.2.180.0140.00416.50
8.2.170.0120.00622.96
8.2.160.0070.00722.12
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00320.81
8.2.110.0070.00322.24
8.2.100.0040.00817.91
8.2.90.0080.00019.25
8.2.80.0080.00019.15
8.2.70.0040.00417.63
8.2.60.0050.00318.16
8.2.50.0080.00018.07
8.2.40.0090.00019.95
8.2.30.0000.00719.37
8.2.20.0050.00317.62
8.2.10.0040.00417.73
8.2.00.0030.00517.57
8.1.280.0130.00325.92
8.1.270.0070.00023.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0050.00523.62
8.1.230.0000.01118.98
8.1.220.0070.00017.76
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0040.00417.48
8.1.180.0040.00419.01
8.1.170.0080.00018.46
8.1.160.0000.00818.74
8.1.150.0040.00418.55
8.1.140.0000.00717.54
8.1.130.0000.00717.86
8.1.120.0000.00717.36
8.1.110.0080.00017.35
8.1.100.0030.00617.45
8.1.90.0090.00017.52
8.1.80.0070.00017.49
8.1.70.0070.00017.40
8.1.60.0040.00417.52
8.1.50.0040.00417.52
8.1.40.0080.00017.51
8.1.30.0060.00317.54
8.1.20.0000.00717.68
8.1.10.0040.00417.57
8.1.00.0000.00817.52
8.0.300.0070.00018.77
8.0.290.0070.00017.18
8.0.280.0030.00318.42
8.0.270.0030.00317.29
8.0.260.0030.00616.75
8.0.250.0070.00016.86
8.0.240.0000.00816.88
8.0.230.0030.00317.00
8.0.220.0000.00716.80
8.0.210.0000.00816.92
8.0.200.0060.00016.93
8.0.190.0040.00416.90
8.0.180.0040.00416.94
8.0.170.0000.00816.84
8.0.160.0030.00316.95
8.0.150.0070.00016.84
8.0.140.0000.00716.86
8.0.130.0030.00313.29
8.0.120.0000.00816.90
8.0.110.0040.00416.73
8.0.100.0040.00416.88
8.0.90.0050.00216.66
8.0.80.0030.01216.85
8.0.70.0000.00816.81
8.0.60.0030.00516.72
8.0.50.0000.00816.87
8.0.30.0100.00817.07
8.0.20.0090.00917.40
8.0.10.0000.00716.96
8.0.00.0150.00316.70
7.4.330.0050.00015.00
7.4.320.0000.00616.51
7.4.300.0060.00016.57
7.4.290.0070.00016.59
7.4.280.0060.00016.59
7.4.270.0030.00316.36
7.4.260.0070.00013.17
7.4.250.0050.00216.48
7.4.240.0060.00216.38
7.4.230.0030.00416.58
7.4.220.0100.00716.33
7.4.210.0070.00716.56
7.4.200.0030.00316.54
7.4.190.0040.00416.25
7.4.160.0090.00616.58
7.4.150.0200.00417.40
7.4.140.0090.00917.86
7.4.130.0150.00116.50
7.4.120.0090.00816.49
7.4.110.0100.00716.51
7.4.100.0090.00916.47
7.4.90.0100.00716.45
7.4.80.0150.00619.39
7.4.70.0060.00916.62
7.4.60.0030.01316.52
7.4.50.0060.00316.49
7.4.40.0040.00722.77
7.4.30.0180.00316.51
7.4.00.0060.00915.00
7.3.330.0000.00712.94
7.3.320.0030.00312.98
7.3.310.0030.00316.21
7.3.300.0060.00016.11
7.3.290.0080.01216.21
7.3.280.0030.01316.21
7.3.270.0090.01017.40
7.3.260.0150.00916.15
7.3.250.0150.00316.35
7.3.240.0080.00816.09
7.3.230.0060.01616.48
7.3.210.0140.00316.13
7.3.200.0130.00319.39
7.3.190.0070.01016.47
7.3.180.0060.01016.48
7.3.170.0060.00916.33
7.3.160.0180.00016.35
7.3.120.0030.01114.75
7.2.330.0050.01316.21
7.2.320.0090.01216.44
7.2.310.0100.00716.27
7.2.300.0130.00316.46
7.2.290.0100.01016.52
7.1.70.0030.00717.00
7.1.60.0140.01119.32
7.1.50.0100.01316.86
7.1.00.0000.03722.25
7.0.200.0040.00416.39
7.0.140.0070.06722.00
7.0.100.0200.05019.94
7.0.90.0370.08019.95
7.0.80.0030.04319.91
7.0.70.0330.06019.86
7.0.60.0400.03319.89
7.0.50.0170.04320.24
7.0.40.0030.04320.08
7.0.30.0030.03720.04
7.0.20.0100.07020.02
7.0.10.0030.04720.12
7.0.00.0100.05320.10
5.6.280.0030.07320.85
5.6.250.0070.04320.63
5.6.240.0030.05720.63
5.6.230.0000.05720.49
5.6.220.0100.07020.64
5.6.210.0100.04320.76
5.6.200.0130.07720.95
5.6.190.0070.05021.00
5.6.180.0030.06321.04
5.6.170.0030.04720.95
5.6.160.0030.06320.98
5.6.150.0100.09321.10
5.6.140.0170.07320.94
5.6.130.0070.06720.90
5.6.120.0030.06020.93
5.6.110.0030.03721.03
5.6.100.0000.04320.95
5.6.90.0100.03320.99
5.6.80.0030.04320.39
5.6.70.0100.03020.40
5.6.60.0100.03320.42
5.6.50.0100.05320.42
5.6.40.0130.03720.37
5.6.30.0030.04720.44
5.6.20.0000.04720.42
5.6.10.0100.05720.41
5.6.00.0130.07020.47
5.5.380.0030.05720.35
5.5.370.0100.04720.35
5.5.360.0200.04020.55
5.5.350.0030.04720.45
5.5.340.0030.07320.91
5.5.330.0070.06020.86
5.5.320.0070.06720.73
5.5.310.0100.07720.78
5.5.300.0070.06720.85
5.5.290.0070.04320.90
5.5.280.0170.07320.74
5.5.270.0070.04320.89
5.5.260.0100.03720.86
5.5.250.0030.04720.69
5.5.240.0100.05320.02
5.5.230.0100.06720.30
5.5.220.0000.03720.19
5.5.210.0200.03320.10
5.5.200.0100.07020.17
5.5.190.0100.03720.22
5.5.180.0170.04720.25
5.5.160.0030.03720.07
5.5.150.0100.06720.20
5.5.140.0070.04320.14
5.5.130.0070.05320.24
5.5.120.0170.06020.16
5.5.110.0030.04020.17
5.5.100.0170.04320.04
5.5.90.0030.06320.12
5.5.80.0100.07320.10
5.5.70.0130.07320.13
5.5.60.0070.06320.05
5.5.50.0100.05020.13
5.5.40.0100.03720.04
5.5.30.0100.07320.02
5.5.20.0070.08020.07
5.5.10.0130.07320.04
5.5.00.0030.07320.11
5.4.450.0070.07719.45
5.4.440.0100.05319.42
5.4.430.0100.08319.29
5.4.420.0000.04319.43
5.4.410.0070.03719.27
5.4.400.0030.03319.04
5.4.390.0100.03718.79
5.4.380.0070.03019.05
5.4.370.0100.07319.05
5.4.360.0170.06719.03
5.4.350.0030.06718.90
5.4.340.0070.04319.02
5.4.320.0100.06018.96
5.4.310.0030.03719.02
5.4.300.0030.07019.14
5.4.290.0000.04019.03
5.4.280.0030.04319.04
5.4.270.0070.05019.02
5.4.260.0070.08019.02
5.4.250.0200.06319.06
5.4.240.0100.08318.78
5.4.230.0030.03719.23
5.4.220.0030.04319.20
5.4.210.0070.07319.09
5.4.200.0100.06018.97
5.4.190.0070.06319.13
5.4.180.0000.03718.89
5.4.170.0070.05018.93
5.4.160.0070.04319.10
5.4.150.0030.04319.10
5.4.140.0070.07316.26
5.4.130.0000.08016.41
5.4.120.0030.06316.34
5.4.110.0030.06016.25
5.4.100.0070.06016.43
5.4.90.0130.03716.38
5.4.80.0130.06716.32
5.4.70.0070.07316.19
5.4.60.0070.03716.38
5.4.50.0000.05016.28
5.4.40.0130.06716.24
5.4.30.0130.03716.39
5.4.20.0030.03716.38
5.4.10.0100.06316.41
5.4.00.0000.06015.75
5.3.290.0030.06314.64
5.3.280.0000.08014.57
5.3.270.0130.07014.58
5.3.260.0030.04314.56
5.3.250.0030.05014.46
5.3.240.0030.04014.59
5.3.230.0030.04714.45
5.3.220.0170.06714.55
5.3.210.0070.06314.43
5.3.200.0030.05714.38
5.3.190.0070.03714.51
5.3.180.0130.04014.56
5.3.170.0030.04014.42
5.3.160.0100.07014.52
5.3.150.0070.07014.38
5.3.140.0070.08014.50
5.3.130.0130.07314.38
5.3.120.0070.03714.53
5.3.110.0130.06714.49
5.3.100.0100.07014.00
5.3.90.0170.05713.87
5.3.80.0070.07013.87
5.3.70.0030.08014.00
5.3.60.0130.04313.86
5.3.50.0000.04013.93
5.3.40.0100.06713.89
5.3.30.0000.04713.77
5.3.20.0030.06013.46
5.3.10.0030.03013.63
5.3.00.0030.03713.61
5.2.170.0030.04010.93
5.2.160.0000.05711.05
5.2.150.0070.05011.13
5.2.140.0000.02710.93
5.2.130.0000.03311.13
5.2.120.0030.03311.07
5.2.110.0100.03710.93
5.2.100.0000.03010.93
5.2.90.0030.03011.02
5.2.80.0030.06011.08
5.2.70.0030.05310.94
5.2.60.0000.04711.04
5.2.50.0000.05311.09
5.2.40.0030.05010.95
5.2.30.0030.04310.96
5.2.20.0030.05010.95
5.2.10.0130.03010.91
5.2.00.0030.05710.62
5.1.60.0070.0279.82
5.1.50.0070.0279.82
5.1.40.0100.0539.96
5.1.30.0030.04010.38
5.1.20.0070.02710.36
5.1.10.0030.05710.00
5.1.00.0100.05310.07
5.0.50.0030.0408.61
5.0.40.0070.0408.61
5.0.30.0030.0338.61
5.0.20.0030.0238.61
5.0.10.0000.0238.61
5.0.00.0030.0308.61
4.4.90.0000.0178.61
4.4.80.0030.0238.61
4.4.70.0000.0138.61
4.4.60.0000.0278.61
4.4.50.0030.0178.61
4.4.40.0000.0278.61
4.4.30.0000.0308.61
4.4.20.0000.0208.61
4.4.10.0000.0208.61
4.4.00.0000.0278.61
4.3.110.0000.0278.61
4.3.100.0000.0278.61
4.3.90.0030.0178.61
4.3.80.0070.0478.61
4.3.70.0000.0178.61
4.3.60.0000.0178.61
4.3.50.0100.0108.61
4.3.40.0000.0508.61
4.3.30.0000.0378.61
4.3.20.0000.0408.61
4.3.10.0030.0378.61
4.3.00.0000.0178.61

preferences:
61.25 ms | 401 KiB | 5 Q