3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1; var_dump($a); (unset) $a; var_dump($a);

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)
8.3.40.0070.01118.68
8.3.30.0070.00720.20
8.3.20.0050.00320.17
8.3.10.0040.00422.04
8.3.00.0090.00022.39
8.2.170.0200.00022.96
8.2.160.0030.01420.39
8.2.150.0080.00024.18
8.2.140.0040.01524.66
8.2.130.0080.00026.16
8.2.120.0050.00319.64
8.2.110.0030.00622.15
8.2.100.0110.00019.38
8.2.90.0000.00919.00
8.2.80.0080.00019.08
8.2.70.0000.00817.50
8.2.60.0080.00017.67
8.2.50.0030.00618.07
8.2.40.0050.00217.97
8.2.30.0040.00419.77
8.2.20.0040.00417.52
8.2.10.0040.00417.61
8.2.00.0000.00917.61
8.1.270.0000.00820.27
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0050.00523.87
8.1.230.0070.00419.01
8.1.220.0000.00917.74
8.1.210.0030.00618.77
8.1.200.0100.00317.10
8.1.190.0040.00417.05
8.1.180.0050.00218.10
8.1.170.0040.00418.57
8.1.160.0040.00422.00
8.1.150.0040.00418.41
8.1.140.0050.00217.27
8.1.130.0030.00317.73
8.1.120.0000.00817.38
8.1.110.0040.00417.38
8.1.100.0040.00417.34
8.1.90.0000.00717.34
8.1.80.0000.00717.30
8.1.70.0000.00817.16
8.1.60.0040.00417.43
8.1.50.0030.00617.43
8.1.40.0050.00317.34
8.1.30.0000.00717.46
8.1.20.0040.00417.55
8.1.10.0070.00017.37
8.1.00.0040.00417.34
8.0.300.0000.00718.77
8.0.290.0040.00416.93
8.0.280.0070.00018.30
8.0.270.0000.00717.08
8.0.260.0000.00718.51
8.0.250.0040.00416.88
8.0.240.0000.00816.87
8.0.230.0030.00316.76
8.0.220.0040.00416.83
8.0.210.0030.00316.81
8.0.200.0000.00616.90
8.0.190.0000.00716.78
8.0.180.0070.00016.79
8.0.170.0060.00316.86
8.0.160.0070.00016.80
8.0.150.0000.00716.73
8.0.140.0090.00016.82
8.0.130.0000.00513.23
8.0.120.0050.00316.78
8.0.110.0040.00416.80
8.0.100.0040.00416.79
8.0.90.0040.00416.70
8.0.80.0000.01516.82
8.0.70.0040.00416.81
8.0.60.0040.00416.69
8.0.50.0000.00816.82
8.0.30.0100.01216.90
8.0.20.0050.01417.40
8.0.10.0000.00716.91
8.0.00.0100.00716.44
7.4.330.0050.00015.00
7.4.320.0000.00716.58
7.4.300.0030.00316.61
7.4.290.0080.00016.59
7.4.280.0070.00016.47
7.4.270.0000.00616.57
7.4.260.0000.01016.54
7.4.250.0040.00416.44
7.4.240.0020.00516.42
7.4.230.0000.00716.52
7.4.220.0100.01016.67
7.4.210.0070.00616.52
7.4.200.0030.00316.60
7.4.190.0000.00716.76
7.4.160.0100.00716.67
7.4.150.0160.00317.40
7.4.140.0070.01417.86
7.4.130.0070.01016.50
7.4.120.0120.00916.49
7.4.110.0070.01016.41
7.4.100.0070.01016.47
7.4.90.0090.00916.60
7.4.80.0070.01019.39
7.4.70.0030.01416.51
7.4.60.0140.00316.57
7.4.50.0030.00316.43
7.4.40.0060.01122.77
7.4.30.0070.01416.36
7.4.00.0070.01014.79
7.3.330.0020.00313.06
7.3.320.0020.00213.17
7.3.310.0040.00416.21
7.3.300.0000.00716.16
7.3.290.0140.00016.21
7.3.280.0100.00816.25
7.3.270.0110.00717.40
7.3.260.0120.00416.31
7.3.250.0100.01016.34
7.3.240.0060.01216.34
7.3.230.0080.00916.39
7.3.210.0090.01216.34
7.3.200.0150.00819.39
7.3.190.0120.00616.27
7.3.180.0100.00616.35
7.3.170.0100.00716.31
7.3.160.0160.00016.46
7.3.120.0060.01214.80
7.2.330.0170.00716.39
7.2.320.0130.00916.63
7.2.310.0150.00016.38
7.2.300.0090.00616.48
7.2.290.0150.00616.41
7.2.60.0060.00616.79
7.2.00.0000.01419.38
7.1.200.0130.00415.15
7.1.100.0000.00818.06
7.1.70.0000.01017.14
7.1.60.0030.02119.50
7.1.50.0150.00716.86
7.1.00.0070.03022.35
7.0.200.0070.00316.92
7.0.140.0000.07322.08
7.0.100.0200.05019.95
7.0.90.0030.04319.92
7.0.80.0000.04719.87
7.0.70.0000.04719.89
7.0.60.0030.05019.93
7.0.50.0070.04320.25
7.0.40.0030.04320.13
7.0.30.0070.04320.18
7.0.20.0000.06020.08
7.0.10.0030.05020.11
7.0.00.0030.04320.13
5.6.280.0070.07021.13
5.6.250.0170.07320.71
5.6.240.0030.06320.63
5.6.230.0100.07320.50
5.6.220.0100.04320.47
5.6.210.0070.03720.43
5.6.200.0000.04721.05
5.6.190.0030.04721.03
5.6.180.0070.03721.02
5.6.170.0030.04321.16
5.6.160.0030.03720.95
5.6.150.0070.04321.02
5.6.140.0070.04020.94
5.6.130.0070.04021.09
5.6.120.0030.04321.00
5.6.110.0030.04721.09
5.6.100.0000.04720.94
5.6.90.0070.03720.92
5.6.80.0070.03320.42
5.6.70.0070.03320.32
5.6.60.0030.04720.38
5.6.50.0000.04720.34
5.6.40.0030.04020.38
5.6.30.0070.03720.43
5.6.20.0000.04720.46
5.6.10.0130.03020.40
5.6.00.0030.03720.27
5.5.380.0100.06720.56
5.5.370.0100.05020.55
5.5.360.0100.06320.47
5.5.350.0000.04720.41
5.5.340.0030.04020.72
5.5.330.0070.04020.88
5.5.320.0030.03720.91
5.5.310.0030.03720.76
5.5.300.0130.03720.91
5.5.290.0030.03720.72
5.5.280.0000.04720.77
5.5.270.0170.03020.84
5.5.260.0030.04320.74
5.5.250.0130.02720.61
5.5.240.0100.04020.16
5.5.230.0000.04720.12
5.5.220.0100.03320.29
5.5.210.0030.03320.30
5.5.200.0030.04720.23
5.5.190.0030.04020.23
5.5.180.0030.04720.23
5.5.160.0070.03720.13
5.5.150.0030.05320.22
5.5.140.0070.08020.27
5.5.130.0070.08020.26
5.5.120.0230.06320.26
5.5.110.0130.08020.09
5.5.100.0100.06320.04
5.5.90.0100.07719.96
5.5.80.0000.06720.04
5.5.70.0070.07320.05
5.5.60.0100.04020.14
5.5.50.0070.07720.14
5.5.40.0070.07020.14
5.5.30.0070.08320.13
5.5.20.0100.06020.07
5.5.10.0030.08720.02
5.5.00.0030.07720.03
5.4.450.0100.03719.35
5.4.440.0070.03019.38
5.4.430.0000.04019.22
5.4.420.0100.03019.37
5.4.410.0030.03719.25
5.4.400.0030.03719.05
5.4.390.0000.03718.97
5.4.380.0070.02719.03
5.4.370.0000.04019.05
5.4.360.0070.04318.96
5.4.350.0130.02718.81
5.4.340.0130.02019.14
5.4.320.0000.03319.23
5.4.310.0100.05019.20
5.4.300.0070.06719.22
5.4.290.0100.06718.85
5.4.280.0230.03318.78
5.4.270.0030.05319.14
5.4.260.0030.04718.89
5.4.250.0000.04718.77
5.4.240.0070.07318.75
5.4.230.0100.03719.07
5.4.220.0100.07319.22
5.4.210.0100.07319.11
5.4.200.0030.05319.14
5.4.190.0100.07018.96
5.4.180.0100.07318.89
5.4.170.0070.04719.07
5.4.160.0100.05718.88
5.4.150.0070.04719.10
5.4.140.0170.06316.37
5.4.130.0100.05716.29
5.4.120.0100.06716.32
5.4.110.0070.06716.22
5.4.100.0070.06316.42
5.4.90.0070.04016.30
5.4.80.0130.06716.19
5.4.70.0030.07716.29
5.4.60.0000.08016.42
5.4.50.0070.07016.23
5.4.40.0170.05316.39
5.4.30.0070.04016.23
5.4.20.0070.07016.28
5.4.10.0030.03716.40
5.4.00.0000.07015.82
5.3.290.0030.03714.60
5.3.280.0170.05014.58
5.3.270.0030.08014.57
5.3.260.0030.04314.59
5.3.250.0100.07014.59
5.3.240.0070.04314.44
5.3.230.0070.03714.58
5.3.220.0100.07314.51
5.3.210.0170.03714.42
5.3.200.0030.07714.55
5.3.190.0000.08014.42
5.3.180.0070.08014.38
5.3.170.0170.06714.54
5.3.160.0070.05714.42
5.3.150.0070.04014.42
5.3.140.0070.05314.53
5.3.130.0000.06714.40
5.3.120.0130.06314.54
5.3.110.0100.07714.53
5.3.100.0130.03714.00
5.3.90.0070.05313.88
5.3.80.0100.06313.97
5.3.70.0030.06714.00
5.3.60.0100.07013.75
5.3.50.0100.03713.93
5.3.40.0130.06013.80
5.3.30.0100.03013.66
5.3.20.0030.04013.66
5.3.10.0030.06313.42
5.3.00.0030.07313.59
5.2.170.0070.05012.88
5.2.160.0100.05312.88
5.2.150.0070.04012.88
5.2.140.0000.03312.88
5.2.130.0030.03312.88
5.2.120.0030.06312.88
5.2.110.0000.05012.88
5.2.100.0030.04712.88
5.2.90.0100.05712.88
5.2.80.0030.06312.88
5.2.70.0070.04712.88
5.2.60.0100.04712.88
5.2.50.0070.05712.88
5.2.40.0000.04012.88
5.2.30.0100.05712.88
5.2.20.0070.04712.88
5.2.10.0070.05712.88
5.2.00.0000.04012.88
5.1.60.0000.03312.88
5.1.50.0000.03312.88
5.1.40.0100.04712.88
5.1.30.0030.05012.88
5.1.20.0170.04712.88
5.1.10.0070.05312.88
5.1.00.0070.02712.88
5.0.50.0170.02712.88
5.0.40.0100.03712.88
5.0.30.0070.06012.88
5.0.20.0000.05012.88
5.0.10.0030.04312.88
5.0.00.0030.03312.88
4.4.90.0030.01312.88
4.4.80.0100.00712.88
4.4.70.0000.03712.88
4.4.60.0070.02012.88
4.4.50.0030.03012.88
4.4.40.0000.02712.88
4.4.30.0000.03312.88
4.4.20.0000.03312.88
4.4.10.0030.03312.88
4.4.00.0000.04012.88
4.3.110.0030.02712.88
4.3.100.0030.01312.88
4.3.90.0030.03312.88
4.3.80.0130.04012.88
4.3.70.0070.03312.88
4.3.60.0000.03712.88
4.3.50.0070.02712.88
4.3.40.0030.03012.88
4.3.30.0000.03312.88
4.3.20.0000.02712.88
4.3.10.0030.03012.88
4.3.00.0000.02012.88

preferences:
43.28 ms | 400 KiB | 5 Q