3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace MyProject; const con='p'; echo con; $classname=namespace\con; function get($classname) { $a = __NAMESPACE__ . '\\' . $classname; echo $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)
8.3.60.0150.00016.75
8.3.50.0120.00517.37
8.3.40.0070.00718.62
8.3.30.0120.00318.43
8.3.20.0040.00418.48
8.3.10.0040.00418.65
8.3.00.0000.00819.13
8.2.180.0070.01316.63
8.2.170.0090.00622.96
8.2.160.0110.00418.91
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0080.00020.94
8.2.110.0040.00721.19
8.2.100.0090.00317.48
8.2.90.0000.00817.84
8.2.80.0040.00417.97
8.2.70.0080.00017.38
8.2.60.0030.00617.93
8.2.50.0050.00317.80
8.2.40.0040.00419.13
8.2.30.0030.00617.66
8.2.20.0000.01017.70
8.2.10.0000.00717.66
8.2.00.0040.00417.70
8.1.280.0180.00725.92
8.1.270.0000.00723.99
8.1.260.0060.00326.35
8.1.250.0000.00828.09
8.1.240.0060.00322.66
8.1.230.0080.00421.03
8.1.220.0040.00417.74
8.1.210.0000.00819.01
8.1.200.0090.00017.35
8.1.190.0040.00417.35
8.1.180.0040.00418.74
8.1.170.0060.00317.62
8.1.160.0030.00518.96
8.1.150.0070.00018.67
8.1.140.0000.00817.42
8.1.130.0030.00317.37
8.1.120.0000.00717.45
8.1.110.0040.00417.39
8.1.100.0000.00717.32
8.1.90.0000.00717.51
8.1.80.0000.00717.31
8.1.70.0000.00717.44
8.1.60.0060.00317.57
8.1.50.0040.00417.45
8.1.40.0080.00017.47
8.1.30.0000.00917.53
8.1.20.0080.00017.52
8.1.10.0000.00717.53
8.1.00.0040.00417.42
8.0.300.0030.00619.98
8.0.290.0070.00016.63
8.0.280.0050.00218.51
8.0.270.0020.00517.29
8.0.260.0030.00316.73
8.0.250.0040.00416.98
8.0.240.0030.00316.93
8.0.230.0050.00316.94
8.0.220.0000.00716.90
8.0.210.0000.00616.92
8.0.200.0030.00316.91
8.0.190.0040.00416.90
8.0.180.0040.00416.83
8.0.170.0030.00516.82
8.0.160.0040.00316.77
8.0.150.0030.00516.79
8.0.140.0060.00316.76
8.0.130.0000.00513.31
8.0.120.0090.00016.91
8.0.110.0000.00716.75
8.0.100.0030.00316.74
8.0.90.0040.00416.81
8.0.80.0040.01116.76
8.0.70.0000.00716.88
8.0.60.0000.00816.89
8.0.50.0040.00416.76
8.0.30.0040.01517.00
8.0.20.0110.00817.05
8.0.10.0070.00016.94
8.0.00.0090.00916.79
7.4.330.0000.00512.98
7.4.320.0030.00316.59
7.4.300.0070.00016.60
7.4.290.0060.00016.59
7.4.280.0060.00316.55
7.4.270.0000.00716.44
7.4.260.0050.00013.20
7.4.250.0030.00616.48
7.4.240.0030.00316.50
7.4.230.0040.00416.60
7.4.220.0180.00016.55
7.4.210.0030.01216.54
7.4.200.0000.00716.62
7.4.190.0000.00716.48
7.4.160.0030.01216.62
7.4.150.0090.00816.68
7.4.140.0090.00917.86
7.4.130.0150.00716.54
7.4.120.0140.00316.53
7.4.110.0070.01416.42
7.4.100.0150.00616.53
7.4.90.0040.01516.64
7.4.80.0110.00719.39
7.4.70.0090.01216.32
7.4.60.0040.01216.57
7.4.50.0000.00816.43
7.4.40.0030.01316.45
7.4.30.0120.00416.61
7.4.10.0070.01115.08
7.4.00.0050.01214.82
7.3.330.0000.00613.09
7.3.320.0070.00013.01
7.3.310.0050.00216.26
7.3.300.0030.00316.25
7.3.290.0090.00416.21
7.3.280.0110.00416.21
7.3.270.0170.00716.20
7.3.260.0070.01116.33
7.3.240.0170.00016.48
7.3.230.0190.00016.45
7.3.210.0090.00916.11
7.3.200.0110.00816.17
7.3.190.0060.01316.26
7.3.180.0020.01416.54
7.3.170.0110.00616.11
7.3.160.0140.00316.32
7.3.130.0040.01314.75
7.3.120.0070.00914.84
7.3.110.0060.00914.67
7.3.100.0000.01214.66
7.3.90.0070.01114.63
7.3.80.0050.00914.85
7.3.70.0060.00814.61
7.3.60.0090.00514.76
7.3.50.0090.00514.60
7.3.40.0020.01114.64
7.3.30.0030.00714.76
7.3.20.0090.00516.60
7.3.10.0080.00716.66
7.3.00.0060.00616.45
7.2.330.0080.00816.37
7.2.320.0060.01516.51
7.2.310.0090.00916.70
7.2.300.0050.01016.75
7.2.290.0110.00716.43
7.2.260.0050.01514.98
7.2.250.0050.01414.90
7.2.240.0070.00714.84
7.2.230.0030.01315.07
7.2.220.0070.00914.92
7.2.210.0020.01114.82
7.2.200.0050.00614.94
7.2.190.0080.00715.00
7.2.180.0050.00914.67
7.2.170.0090.00414.95
7.2.160.0050.00714.90
7.2.150.0080.00617.01
7.2.140.0040.00716.80
7.2.130.0030.00816.84
7.2.120.0050.00516.88
7.2.110.0100.00516.83
7.2.100.0050.00616.80
7.2.90.0090.00516.89
7.2.80.0070.00816.89
7.2.70.0050.01016.72
7.2.60.0070.00816.83
7.2.50.0130.00016.76
7.2.40.0060.00916.89
7.2.30.0130.00316.99
7.2.20.0000.01316.79
7.2.10.0050.00916.88
7.2.00.0040.00917.67
7.1.330.0070.00815.76
7.1.320.0100.00815.54
7.1.310.0040.00715.69
7.1.300.0020.01215.52
7.1.290.0090.00715.73
7.1.280.0070.00715.61
7.1.270.0080.00515.65
7.1.260.0080.00115.55
7.1.250.0080.00615.86
7.1.240.0100.00215.73
7.1.230.0100.00315.68
7.1.220.0050.00515.72
7.1.210.0060.00915.55
7.1.200.0040.01015.54
7.1.190.0050.01115.80
7.1.180.0070.00615.52
7.1.170.0040.00715.57
7.1.160.0070.00315.57
7.1.150.0030.00615.81
7.1.140.0100.00215.69
7.1.130.0070.00415.81
7.1.120.0080.00715.88
7.1.110.0060.00615.68
7.1.100.0060.00716.43
7.1.90.0050.00915.56
7.1.80.0050.00815.50
7.1.70.0060.00716.03
7.1.60.0110.00416.77
7.1.50.0070.00716.15
7.1.40.0070.00915.70
7.1.30.0060.00815.76
7.1.20.0080.00515.78
7.1.10.0100.00515.62
7.1.00.0040.01717.83
7.0.330.0070.00615.14
7.0.320.0030.00915.17
7.0.310.0060.00215.06
7.0.300.0040.00815.23
7.0.290.0080.00515.36
7.0.280.0050.00515.25
7.0.270.0090.00415.22
7.0.260.0070.00515.13
7.0.250.0060.00515.44
7.0.240.0080.00615.39
7.0.230.0060.00815.37
7.0.220.0060.00815.29
7.0.210.0020.01115.27
7.0.200.0060.00515.81
7.0.190.0050.00815.25
7.0.180.0020.01415.38
7.0.170.0080.00715.35
7.0.160.0050.00715.30
7.0.150.0030.01215.29
7.0.140.0070.02617.50
7.0.130.0030.01215.45
7.0.120.0050.00815.30
7.0.110.0030.00915.39
7.0.100.0070.00715.38
7.0.90.0020.00715.38
7.0.80.0030.01215.35
7.0.70.0040.00615.22
7.0.60.0110.02816.88
7.0.50.0070.01616.20
7.0.40.0070.02915.51
7.0.30.0160.02915.63
7.0.20.0120.03515.61
7.0.10.0070.03315.66
7.0.00.0060.02015.65
5.6.400.0020.00914.42
5.6.390.0060.00514.19
5.6.380.0030.01014.14
5.6.370.0050.00514.50
5.6.360.0060.00714.52
5.6.350.0020.01414.36
5.6.340.0040.00914.43
5.6.330.0040.01114.11
5.6.320.0000.01114.58
5.6.310.0060.00414.14
5.6.300.0060.00514.46
5.6.290.0050.00814.35
5.6.280.0070.02916.50
5.6.270.0050.01014.29
5.6.260.0060.00514.33
5.6.250.0070.00614.24
5.6.240.0030.01014.43
5.6.230.0050.01014.34
5.6.220.0030.00614.24
5.6.210.0040.03016.34
5.6.200.0040.01815.64
5.6.190.0070.02716.56
5.6.180.0180.02316.26
5.6.170.0140.03016.29
5.6.160.0080.02516.50
5.6.150.0140.02615.60
5.6.140.0120.02815.49
5.6.130.0060.02915.59
5.6.120.0060.02416.45
5.6.110.0030.03316.51
5.6.100.0120.02616.48
5.6.90.0040.02116.42
5.6.80.0110.02616.35
5.6.70.0030.00814.06
5.6.60.0040.00814.39
5.6.50.0030.00914.15
5.6.40.0100.00414.34
5.6.30.0050.00914.10
5.6.20.0020.00914.04
5.6.10.0080.00714.21
5.6.00.0110.00214.15
5.5.380.0070.00714.09
5.5.370.0060.00814.18
5.5.360.0030.01014.06
5.5.350.0040.03516.27
5.5.340.0040.01915.42
5.5.330.0070.03216.21
5.5.320.0490.02816.29
5.5.310.0100.02716.19
5.5.300.0040.02015.36
5.5.290.0030.02115.32
5.5.280.0000.02616.23
5.5.270.0080.03116.33
5.5.260.0090.02816.33
5.5.250.0100.01716.22
5.5.240.0030.03116.05
5.5.230.0050.00714.01
5.5.220.0060.00613.96
5.5.210.0030.01113.92
5.5.200.0050.01114.08
5.5.190.0020.01113.95
5.5.180.0050.00914.07
5.5.170.0050.00814.03
5.5.160.0060.00814.02
5.5.150.0080.00214.08
5.5.140.0020.01414.19
5.5.130.0060.01014.16
5.5.120.0110.00314.22
5.5.110.0060.00814.11
5.5.100.0110.00514.09
5.5.90.0040.01114.25
5.5.80.0030.01414.15
5.5.70.0030.01214.25
5.5.60.0070.01013.99
5.5.50.0040.01214.04
5.5.40.0080.00814.11
5.5.30.0070.01114.08
5.5.20.0040.01214.09
5.5.10.0020.01414.05
5.5.00.0060.00813.94
5.4.450.0060.02514.23
5.4.440.0270.01614.16
5.4.430.0280.01614.12
5.4.420.0200.02414.11
5.4.410.0140.01414.15
5.4.400.0120.01314.11
5.4.390.0160.01313.96
5.4.380.0100.02014.03
5.4.370.0250.01913.94
5.4.360.0190.01914.11
5.4.350.0330.01114.03
5.4.340.0200.01914.07
5.4.330.0030.00511.39
5.4.320.0210.01514.11
5.4.310.0170.01914.00
5.4.300.0140.01914.00
5.4.290.0150.01714.03
5.4.280.0270.01413.92
5.4.270.0180.01614.04
5.4.260.0200.01814.00
5.4.250.0230.01714.12
5.4.240.0170.01214.06
5.4.230.0180.01813.86
5.4.220.0090.01914.04
5.4.210.0190.01714.08
5.4.200.0230.01914.18
5.4.190.0260.01614.04
5.4.180.0280.01613.87
5.4.170.0190.02314.00
5.4.160.0190.01914.05
5.4.150.0230.01514.01
5.4.140.0250.01913.22
5.4.130.0170.01613.15
5.4.120.0240.01313.09
5.4.110.0350.01213.29
5.4.100.0140.01713.25
5.4.90.0310.01213.24
5.4.80.0260.01813.26
5.4.70.0110.01713.24
5.4.60.0270.01113.15
5.4.50.0160.01813.24
5.4.40.0280.01513.20
5.4.30.0190.01713.20
5.4.20.0210.02013.00
5.4.10.0320.01413.05
5.4.00.0390.01312.97
5.3.290.0190.02312.83
5.3.280.0200.01812.77
5.3.270.0090.02212.79
5.3.260.0260.01812.71
5.3.250.0110.02312.72
5.3.240.0220.01712.71
5.3.230.0180.02112.74
5.3.220.0270.01712.71
5.3.210.0340.01412.71
5.3.200.0140.01912.76
5.3.190.0230.01712.71
5.3.180.0140.01512.79
5.3.170.0130.01712.71
5.3.160.0320.01312.79
5.3.150.0260.01612.82
5.3.140.0240.01712.77
5.3.130.0130.01812.71
5.3.120.0210.01512.79
5.3.110.0300.01712.76
5.3.100.0140.01712.75
5.3.90.0230.01712.71
5.3.80.0210.01512.73
5.3.70.0250.01412.74
5.3.60.0190.01712.76
5.3.50.0270.01512.77
5.3.40.0200.01312.71
5.3.30.0270.01712.71
5.3.20.0250.01712.71
5.3.10.0250.01412.71
5.3.00.0200.01412.71
5.2.170.0470.03715.67
5.2.160.0230.02715.67
5.2.150.0470.02715.67
5.2.140.0030.03015.67
5.2.130.0530.02315.67
5.2.120.0570.02715.67
5.2.110.0530.03315.67
5.2.100.0930.03015.67
5.2.90.0530.02315.67
5.2.80.0200.03715.67
5.2.70.0570.02315.67
5.2.60.0370.03015.67
5.2.50.0130.03315.67
5.2.40.0200.02315.67
5.2.30.0300.03015.67
5.2.20.0400.03015.67
5.2.10.0470.02315.67
5.2.00.0400.02315.67
5.1.60.0270.02715.67
5.1.50.0200.02315.67
5.1.40.0270.02315.67
5.1.30.0370.03015.67
5.1.20.0300.03315.67
5.1.10.0470.02015.67
5.1.00.0230.02715.67
5.0.50.0170.02015.67
5.0.40.0170.02015.67
5.0.30.0030.02315.67
5.0.20.0200.02015.67
5.0.10.0100.02315.67
5.0.00.0030.03715.67
4.4.90.0170.02015.67
4.4.80.0200.01315.67
4.4.70.0000.01715.67
4.4.60.0030.01715.67
4.4.50.0130.01315.67
4.4.40.0070.02715.67
4.4.30.0170.02015.67
4.4.20.0300.01715.67
4.4.10.0300.02015.67
4.4.00.0200.02715.67
4.3.110.0330.01715.67
4.3.100.0130.01315.67
4.3.90.0230.01315.67
4.3.80.0230.01715.67
4.3.70.0070.02015.67
4.3.60.0270.01315.67
4.3.50.0170.01015.67
4.3.40.0100.02015.67
4.3.30.0030.02015.67
4.3.20.0030.01715.67
4.3.10.0130.02315.67
4.3.00.0100.01715.67

preferences:
55.23 ms | 401 KiB | 5 Q