3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = false; $a = fopen('http://example.com', 'r'); array_key_exists($a, get_defined_vars()); array($$a); fclose($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)
8.3.60.0070.01018.68
8.3.50.0040.01321.27
8.3.40.0110.00419.03
8.3.30.0110.00419.46
8.3.20.0040.00420.59
8.3.10.0050.00322.46
8.3.00.0080.00022.65
8.2.180.0150.00617.13
8.2.170.0140.00322.96
8.2.160.0060.00819.42
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0110.00326.16
8.2.120.0080.00019.73
8.2.110.0140.00322.55
8.2.100.0090.00319.89
8.2.90.0000.00819.30
8.2.80.0050.00318.05
8.2.70.0000.01017.88
8.2.60.0040.00418.05
8.2.50.0080.00018.07
8.2.40.0030.00520.19
8.2.30.0040.00418.20
8.2.20.0040.00417.90
8.2.10.0040.00417.89
8.2.00.0040.00417.92
8.1.280.0120.00625.92
8.1.270.0080.00022.39
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00924.21
8.1.230.0060.00619.35
8.1.220.0080.00017.79
8.1.210.0040.00418.77
8.1.200.0060.00617.48
8.1.190.0050.00317.64
8.1.180.0040.00418.82
8.1.170.0060.00318.77
8.1.160.0040.00422.23
8.1.150.0000.00718.90
8.1.140.0030.00617.66
8.1.130.0070.00418.04
8.1.120.0000.00817.72
8.1.110.0040.00417.58
8.1.100.0040.00417.71
8.1.90.0000.00717.69
8.1.80.0000.00717.48
8.1.70.0030.00317.57
8.1.60.0030.00517.72
8.1.50.0040.00417.56
8.1.40.0040.00417.66
8.1.30.0040.00417.73
8.1.20.0040.00417.63
8.1.10.0030.00517.70
8.1.00.0000.00917.62
8.0.300.0040.00418.77
8.0.290.0080.00017.30
8.0.280.0070.00018.69
8.0.270.0030.00517.56
8.0.260.0040.00417.16
8.0.250.0000.00717.35
8.0.240.0030.00617.21
8.0.230.0000.00717.21
8.0.220.0070.00017.15
8.0.210.0070.00017.09
8.0.200.0030.00317.08
8.0.190.0000.00917.18
8.0.180.0040.00417.13
8.0.170.0050.00317.17
8.0.160.0030.00617.11
8.0.150.0030.00417.23
8.0.140.0030.00517.11
8.0.130.0000.00513.70
8.0.120.0080.00017.07
8.0.110.0070.00017.25
8.0.100.0040.00417.20
8.0.90.0000.00717.16
8.0.80.0130.00317.19
8.0.70.0030.00517.29
8.0.60.0050.00217.25
8.0.50.0030.00617.16
8.0.30.0070.01217.28
8.0.20.0050.01517.40
8.0.10.0080.00017.28
8.0.00.0150.00817.11
7.4.330.0060.00015.40
7.4.320.0040.00416.75
7.4.300.0060.00016.72
7.4.290.0000.00716.71
7.4.280.0030.00316.70
7.4.270.0070.00016.72
7.4.260.0030.00516.73
7.4.250.0080.00016.82
7.4.240.0010.00616.83
7.4.230.0030.00316.62
7.4.220.0120.00616.75
7.4.210.0080.01016.86
7.4.200.0050.00216.65
7.4.190.0060.00316.98
7.4.160.0060.01016.99
7.4.150.0070.01317.40
7.4.140.0110.01017.86
7.4.130.0100.00916.78
7.4.120.0070.01216.82
7.4.110.0140.00516.68
7.4.100.0180.00716.81
7.4.90.0100.01016.87
7.4.80.0060.01219.39
7.4.70.0060.01316.63
7.4.60.0030.01416.84
7.4.50.0060.00316.80
7.4.40.0060.00622.77
7.4.30.0090.01116.65
7.4.00.0000.01315.15
7.3.330.0060.00313.39
7.3.320.0000.00513.59
7.3.310.0070.00016.55
7.3.300.0030.00316.45
7.3.290.0100.01016.65
7.3.280.0090.00916.61
7.3.270.0090.00917.40
7.3.260.0070.01016.63
7.3.250.0090.00816.71
7.3.240.0070.01016.80
7.3.230.0070.01116.67
7.3.210.0150.00316.73
7.3.200.0070.01119.39
7.3.190.0100.01316.51
7.3.180.0120.00916.59
7.3.170.0030.01816.63
7.3.160.0110.00616.47
7.3.120.0040.00815.32
7.2.330.0120.00616.65
7.2.320.0090.00916.86
7.2.310.0070.01116.84
7.2.300.0100.01316.82
7.2.290.0170.00016.78
7.2.60.0070.00716.95
7.2.00.0040.01219.84
7.1.200.0050.00516.13
7.1.100.0000.01318.45
7.1.70.0040.00417.45
7.1.60.0100.01419.82
7.1.50.0030.01916.98
7.1.00.0070.03022.65
7.0.200.0000.00716.94
7.0.140.0070.07322.34
7.0.100.0030.05020.33
7.0.90.0130.04320.38
7.0.80.0170.03720.23
7.0.70.0170.07720.42
7.0.60.0170.03720.36
7.0.50.0030.04320.72
7.0.40.0000.04720.52
7.0.30.0100.03720.43
7.0.20.0070.04020.52
7.0.10.0170.02720.39
7.0.00.0070.05020.40
5.6.280.0000.07721.30
5.6.250.0100.04320.88
5.6.240.0100.06020.95
5.6.230.0070.03720.96
5.6.220.0200.06720.82
5.6.210.0000.04320.87
5.6.200.0100.03721.39
5.6.190.0100.04021.47
5.6.180.0000.04721.33
5.6.170.0130.02721.44
5.6.160.0030.03721.39
5.6.150.0030.04021.30
5.6.140.0030.03721.36
5.6.130.0030.04721.40
5.6.120.0070.04321.39
5.6.110.0100.03721.41
5.6.100.0070.04321.57
5.6.90.0100.04321.24
5.6.80.0070.03020.87
5.6.70.0070.03020.96
5.6.60.0000.04320.67
5.6.50.0030.03320.76
5.6.40.0000.04020.78
5.6.30.0030.04020.60
5.6.20.0030.03320.66
5.6.10.0070.04320.84
5.6.00.0030.04320.57
5.5.380.0030.06020.89
5.5.370.0070.08020.92
5.5.360.0030.07720.72
5.5.350.0170.03320.82
5.5.340.0030.03721.27
5.5.330.0100.03321.27
5.5.320.0030.03321.14
5.5.310.0070.04021.17
5.5.300.0030.04321.18
5.5.290.0070.03021.25
5.5.280.0030.04321.27
5.5.270.0070.04021.18
5.5.260.0100.03021.21
5.5.250.0030.04320.98
5.5.240.0070.03720.71
5.5.230.0000.04020.37
5.5.220.0000.04320.66
5.5.210.0030.03320.59
5.5.200.0030.03720.54
5.5.190.0070.03320.53
5.5.180.0130.03320.58
5.5.160.0070.03320.58
5.5.150.0070.04020.37
5.5.140.0070.04020.62
5.5.130.0070.03020.32
5.5.120.0030.06320.64
5.5.110.0000.07020.64
5.5.100.0100.05320.56
5.5.90.0170.07020.29
5.5.80.0100.04720.41
5.5.70.0100.07320.29
5.5.60.0030.03720.50
5.5.50.0030.04720.40
5.5.40.0130.07020.52
5.5.30.0130.07020.32
5.5.20.0070.07320.40
5.5.10.0000.08320.30
5.5.00.0000.05020.50
5.4.450.0070.03719.72
5.4.440.0000.03719.82
5.4.430.0030.04019.71
5.4.420.0030.04019.50
5.4.410.0000.03719.69
5.4.400.0030.04019.40
5.4.390.0030.04019.44
5.4.380.0130.03319.37
5.4.370.0070.02719.26
5.4.360.0000.04019.41
5.4.350.0030.03319.60
5.4.340.0070.03019.37
5.4.320.0000.03719.41
5.4.310.0030.03019.30
5.4.300.0100.03019.37
5.4.290.0000.03719.59
5.4.280.0070.03719.59
5.4.270.0130.06719.49
5.4.260.0100.03319.32
5.4.250.0070.07319.29
5.4.240.0170.06719.48
5.4.230.0030.04019.16
5.4.220.0070.07719.39
5.4.210.0100.03019.59
5.4.200.0170.06019.34
5.4.190.0070.04019.42
5.4.180.0100.06319.29
5.4.170.0030.04719.55
5.4.160.0130.05019.47
5.4.150.0130.06719.45
5.4.140.0100.07016.75
5.4.130.0130.07316.90
5.4.120.0030.07316.76
5.4.110.0100.05016.73
5.4.100.0030.04016.80
5.4.90.0100.07316.79
5.4.80.0030.07016.66
5.4.70.0100.04316.85
5.4.60.0170.05316.85
5.4.50.0100.07316.80
5.4.40.0100.07016.73
5.4.30.0070.04716.84
5.4.20.0130.06716.75
5.4.10.0100.07016.80
5.4.00.0030.06016.22
5.3.290.0030.03014.93
5.3.280.0100.07014.88
5.3.270.0000.08014.73
5.3.260.0130.07014.77
5.3.250.0030.04714.86
5.3.240.0030.03714.86
5.3.230.0070.07714.75
5.3.220.0070.05314.81
5.3.210.0030.07314.82
5.3.200.0030.06714.80
5.3.190.0100.07314.75
5.3.180.0100.07314.77
5.3.170.0030.04714.79
5.3.160.0030.06714.73
5.3.150.0130.06314.80
5.3.140.0200.06014.73
5.3.130.0030.04014.89
5.3.120.0000.07714.68
5.3.110.0070.05714.84
5.3.100.0170.05014.18
5.3.90.0030.07314.27
5.3.80.0070.07314.23
5.3.70.0100.05714.30
5.3.60.0100.06014.26
5.3.50.0100.07714.21
5.3.40.0100.06714.07
5.3.30.0100.06314.17
5.3.20.0130.06713.94
5.3.10.0030.03713.91
5.3.00.0070.03713.89
5.2.170.0030.06311.69
5.2.160.0070.06011.69
5.2.150.0070.05311.69
5.2.140.0130.05711.69
5.2.130.0100.06311.69
5.2.120.0070.05711.69
5.2.110.0070.05011.69
5.2.100.0030.04711.69
5.2.90.0070.06711.69
5.2.80.0030.05711.69
5.2.70.0100.04711.69
5.2.60.0130.05011.69
5.2.50.0000.04011.69
5.2.40.0030.06311.69
5.2.30.0030.05311.69
5.2.20.0100.06311.69
5.2.10.0030.03711.69
5.2.00.0030.04011.69
5.1.60.0070.04311.69
5.1.50.0100.04311.69
5.1.40.0100.04711.69
5.1.30.0070.04711.69
5.1.20.0000.06011.69
5.1.10.0030.05711.69
5.1.00.0000.03711.69
5.0.50.0000.02711.69
5.0.40.0130.01311.69
5.0.30.0030.06711.69
5.0.20.0030.05011.69
5.0.10.0100.02711.69
5.0.00.0070.06311.69
4.4.90.0000.02311.69
4.4.80.0070.03011.69
4.4.70.0030.01711.69
4.4.60.0130.00711.69
4.4.50.0030.03311.69
4.4.40.0000.03311.69
4.4.30.0000.03311.69
4.4.20.0030.03311.69
4.4.10.0030.03711.69
4.4.00.0130.04311.69
4.3.110.0070.03311.69
4.3.100.0030.02011.69
4.3.90.0030.01711.69
4.3.80.0030.05311.69
4.3.70.0070.02011.69
4.3.60.0100.03011.69
4.3.50.0000.02011.69
4.3.40.0000.05311.69
4.3.30.0000.03711.69
4.3.20.0000.03711.69
4.3.10.0000.03711.69
4.3.00.0000.02011.69

preferences:
45.28 ms | 401 KiB | 5 Q