3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace X { $a = 10; } namespace Y { var_dump($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)
8.5.30.0110.00717.32
8.5.20.0130.00619.71
8.5.10.0110.00619.34
8.5.00.0120.00919.82
8.4.180.0140.00722.05
8.4.170.0120.00923.82
8.4.160.0110.01023.71
8.4.150.0080.00616.86
8.4.140.0090.01217.52
8.4.130.0130.00717.67
8.4.120.0110.00720.59
8.4.110.0110.00922.23
8.4.100.0090.00117.74
8.4.90.0140.00720.32
8.4.80.0060.00318.77
8.4.70.0030.00718.75
8.4.60.0060.00318.78
8.4.50.0100.01020.56
8.4.40.0160.00320.43
8.4.30.0160.00320.10
8.4.20.0130.00717.62
8.4.10.0040.00419.44
8.3.300.0120.00920.84
8.3.290.0100.00922.58
8.3.280.0110.01118.33
8.3.270.0100.00916.45
8.3.260.0060.00416.63
8.3.250.0140.00418.77
8.3.240.0110.00516.38
8.3.230.0130.00616.28
8.3.220.0030.00518.69
8.3.210.0120.00616.50
8.3.200.0060.00316.63
8.3.190.0100.00916.98
8.3.180.0080.00919.02
8.3.170.0060.00316.59
8.3.160.0060.01517.07
8.3.150.0070.01116.91
8.3.140.0040.00420.55
8.3.130.0000.00818.26
8.3.120.0090.00020.80
8.3.110.0030.00620.94
8.3.100.0110.00016.41
8.3.90.0150.00626.77
8.3.80.0030.00619.36
8.3.70.0140.00416.63
8.3.60.0150.00418.55
8.3.50.0050.01123.46
8.3.40.0110.01118.60
8.3.30.0100.00318.59
8.3.20.0000.00720.66
8.3.10.0040.00420.31
8.3.00.0030.00621.77
8.2.300.0090.01122.15
8.2.290.0040.00420.13
8.2.280.0120.00818.17
8.2.270.0070.00418.36
8.2.260.0040.00416.57
8.2.250.0040.01118.23
8.2.240.0070.00417.15
8.2.230.0100.01022.58
8.2.220.0080.00024.06
8.2.210.0050.00326.77
8.2.200.0060.00318.88
8.2.190.0060.01616.58
8.2.180.0110.00418.17
8.2.170.0190.00322.96
8.2.160.0060.00922.05
8.2.150.0050.00324.18
8.2.140.0050.00224.66
8.2.130.0040.00426.16
8.2.120.0110.00720.97
8.2.110.0030.00622.11
8.2.100.0070.00719.44
8.2.90.0060.00318.03
8.2.80.0030.00517.97
8.2.70.0040.00417.50
8.2.60.0000.00817.63
8.2.50.0000.00818.05
8.2.40.0000.00819.41
8.2.30.0050.00217.49
8.2.20.0050.00318.09
8.2.10.0040.00419.18
8.2.00.0030.00519.15
8.1.340.0140.00817.60
8.1.330.0120.00720.20
8.1.320.0110.00817.92
8.1.310.0100.00318.32
8.1.300.0060.00317.78
8.1.290.0030.00630.84
8.1.280.0130.00325.92
8.1.270.0000.00820.70
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0030.00622.02
8.1.230.0070.00419.19
8.1.220.0030.00717.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0000.00817.09
8.1.180.0040.00418.10
8.1.170.0040.00418.58
8.1.160.0070.00019.03
8.1.150.0050.00218.88
8.1.140.0000.00722.04
8.1.130.0040.00420.06
8.1.120.0000.00717.41
8.1.110.0000.00817.27
8.1.100.0000.00717.42
8.1.90.0070.00317.39
8.1.80.0040.00417.27
8.1.70.0000.00717.26
8.1.60.0050.00217.42
8.1.50.0090.00017.45
8.1.40.0050.00317.45
8.1.30.0000.00817.41
8.1.20.0070.00017.63
8.1.10.0040.00717.46
8.1.00.0020.00517.34
8.0.300.0060.00319.60
8.0.290.0000.00716.75
8.0.280.0080.00018.60
8.0.270.0000.00717.97
8.0.260.0030.00319.93
8.0.250.0030.00316.89
8.0.240.0030.00316.84
8.0.230.0000.00716.90
8.0.220.0040.00416.80
8.0.210.0060.00016.78
8.0.200.0030.00316.81
8.0.190.0040.00416.91
8.0.180.0060.00316.86
8.0.170.0000.01016.83
8.0.160.0000.00716.83
8.0.150.0070.00016.76
8.0.140.0070.00016.79
8.0.130.0000.00713.29
8.0.120.0050.00316.76
8.0.110.0000.00816.70
8.0.100.0000.00716.70
8.0.90.0030.00616.84
8.0.80.0090.00916.75
8.0.70.0040.00416.84
8.0.60.0040.00416.90
8.0.50.0040.00416.83
8.0.30.0100.01317.08
8.0.20.0130.00516.81
8.0.10.0000.00716.87
8.0.00.0110.01116.63
7.4.330.0000.00515.55
7.4.320.0060.00016.45
7.4.300.0040.00416.53
7.4.290.0000.00816.42
7.4.280.0030.00516.52
7.4.270.0030.00316.53
7.4.260.0000.00513.24
7.4.250.0000.00716.39
7.4.240.0030.00416.49
7.4.230.0030.00316.57
7.4.220.0020.00516.53
7.4.210.0080.00816.48
7.4.200.0030.00316.55
7.4.130.0090.00916.39
7.4.120.0150.00716.34
7.4.110.0080.00916.46
7.4.100.0140.00316.45
7.4.90.0110.00716.41
7.4.80.0100.00619.39
7.4.70.0070.01316.46
7.4.60.0000.01716.47
7.4.50.0000.01316.18
7.4.40.0180.00316.52
7.4.10.0060.01214.75
7.4.00.0050.01114.94
7.3.330.0020.00515.95
7.3.320.0060.00012.96
7.3.310.0030.00316.20
7.3.300.0050.00216.04
7.3.290.0070.00816.14
7.3.280.0090.00616.11
7.3.260.0090.00916.35
7.3.240.0110.00816.29
7.3.230.0040.01216.50
7.3.210.0040.01116.17
7.3.200.0070.01016.27
7.3.190.0070.01016.14
7.3.180.0090.00916.30
7.3.170.0100.01316.53
7.3.160.0100.01016.13
7.3.130.0070.01314.66
7.3.120.0090.00714.63
7.3.110.0070.00714.75
7.3.100.0060.00714.63
7.3.90.0090.00714.53
7.3.80.0070.00914.43
7.3.70.0050.00814.62
7.3.60.0040.00814.61
7.3.50.0040.00914.61
7.3.40.0020.01214.54
7.3.30.0060.00614.53
7.3.20.0060.00615.40
7.3.10.0070.00715.33
7.3.00.0090.00515.52
7.2.330.0130.00316.15
7.2.320.0080.00816.23
7.2.310.0130.00716.52
7.2.300.0110.00816.43
7.2.290.0090.00616.27
7.2.260.0040.01114.88
7.2.250.0050.01014.49
7.2.240.0050.01114.81
7.2.230.0060.00714.91
7.2.220.0070.00514.79
7.2.210.0050.01114.90
7.2.200.0060.00714.50
7.2.190.0060.00614.81
7.2.180.0080.00614.70
7.2.170.0020.00914.91
7.2.160.0080.00415.00
7.2.150.0000.01416.82
7.2.140.0090.00616.57
7.2.130.0100.00716.78
7.2.120.0030.01016.63
7.2.110.0040.00716.69
7.2.100.0070.00316.87
7.2.90.0030.01016.60
7.2.80.0030.01116.80
7.2.70.0060.00316.65
7.2.60.0090.00616.72
7.2.50.0000.01616.38
7.2.40.0040.00716.73
7.2.30.0030.01016.70
7.2.20.0030.01516.80
7.2.10.0000.01116.90
7.2.00.0030.00616.44
7.1.330.0100.00313.83
7.1.320.0040.00913.81
7.1.310.0110.00413.64
7.1.300.0040.00913.44
7.1.290.0030.01013.77
7.1.280.0090.00613.79
7.1.270.0040.01013.45
7.1.260.0000.01313.89

preferences:
46.38 ms | 1484 KiB | 5 Q