3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace foo { class hello {} } namespace bar { use foo; class hello {} } namespace { $hello = new hello(); }

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)
8.3.60.0120.00316.50
8.3.50.0110.00316.50
8.3.40.0100.00718.59
8.3.30.0040.01118.77
8.3.20.0000.00720.04
8.3.10.0070.00023.53
8.3.00.0040.00419.80
8.2.180.0140.00318.29
8.2.170.0160.00322.96
8.2.160.0100.00318.91
8.2.150.0000.00824.18
8.2.140.0060.00324.66
8.2.130.0040.00419.27
8.2.120.0040.00426.35
8.2.110.0060.00320.56
8.2.100.0090.00317.72
8.2.90.0000.00819.08
8.2.80.0000.00917.97
8.2.70.0030.00617.63
8.2.60.0080.00018.04
8.2.50.0030.00518.10
8.2.40.0040.00420.48
8.2.30.0050.00219.21
8.2.20.0040.00418.04
8.2.10.0040.00417.89
8.2.00.0040.00417.93
8.1.280.0040.01125.92
8.1.270.0000.00721.98
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0130.00321.04
8.1.230.0040.00818.94
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0000.00817.23
8.1.180.0050.00518.10
8.1.170.0040.00418.52
8.1.160.0060.00318.90
8.1.150.0000.00818.81
8.1.140.0000.00719.39
8.1.130.0040.00418.66
8.1.120.0070.00017.26
8.1.110.0000.00817.25
8.1.100.0030.00717.32
8.1.90.0000.00717.29
8.1.80.0000.00717.35
8.1.70.0000.00717.35
8.1.60.0050.00317.35
8.1.50.0080.00017.44
8.1.40.0040.00417.48
8.1.30.0060.00317.45
8.1.20.0040.00417.46
8.1.10.0040.00417.43
8.1.00.0040.00417.36
8.0.300.0080.00019.80
8.0.290.0040.00416.63
8.0.280.0070.00018.37
8.0.270.0000.00717.23
8.0.260.0070.00018.57
8.0.250.0000.00616.92
8.0.240.0050.00316.95
8.0.230.0030.00316.92
8.0.220.0030.00316.84
8.0.210.0030.00416.88
8.0.200.0030.00316.82
8.0.190.0040.00416.95
8.0.180.0000.00716.87
8.0.170.0030.00316.93
8.0.160.0000.00816.86
8.0.150.0040.00416.82
8.0.140.0000.00816.82
8.0.130.0030.00313.28
8.0.120.0050.00316.75
8.0.110.0000.00816.73
8.0.100.0000.00716.77
8.0.90.0070.00016.77
8.0.80.0120.00916.80
8.0.70.0000.00816.84
8.0.60.0050.00216.73
8.0.50.0070.00016.79
8.0.30.0140.01116.99
8.0.20.0120.00717.40
8.0.10.0090.00016.89
8.0.00.0100.01416.46
7.4.330.0050.00015.55
7.4.320.0000.00616.38
7.4.300.0000.00716.42
7.4.290.0000.00816.51
7.4.280.0030.00616.43
7.4.270.0030.00316.53
7.4.260.0000.00716.39
7.4.250.0030.00316.39
7.4.240.0070.00016.52
7.4.230.0040.00416.52
7.4.220.0150.00916.43
7.4.210.0140.00016.58
7.4.200.0030.00316.55
7.4.160.0070.00916.37
7.4.150.0090.01617.40
7.4.140.0120.00917.86
7.4.130.0180.00616.47
7.4.120.0070.01316.47
7.4.110.0040.01116.40
7.4.100.0100.01016.38
7.4.90.0030.01416.54
7.4.80.0130.00719.39
7.4.70.0040.01916.48
7.4.60.0060.01016.45
7.4.50.0100.00616.54
7.4.40.0030.01316.36
7.4.30.0040.01216.47
7.4.10.0030.01616.37
7.4.00.0070.01115.61
7.3.330.0030.00313.07
7.3.320.0000.00513.30
7.3.310.0060.00016.13
7.3.300.0070.00016.21
7.3.290.0080.00916.31
7.3.280.0080.00716.27
7.3.270.0140.01117.40
7.3.260.0110.00616.46
7.3.250.0080.01016.25
7.3.240.0100.01016.31
7.3.230.0090.00916.33
7.3.210.0080.00816.59
7.3.200.0030.01316.33
7.3.190.0090.00616.32
7.3.180.0110.00416.41
7.3.170.0110.01016.30
7.3.160.0160.00016.58
7.3.130.0070.01116.36
7.3.120.0030.01416.21
7.3.110.0080.00816.19
7.3.100.0100.00316.21
7.3.90.0100.01016.32
7.3.80.0000.01216.34
7.3.70.0090.00916.39
7.3.60.0030.01016.35
7.3.50.0030.01016.09
7.3.40.0060.01016.29
7.3.30.0060.00916.24
7.3.20.0060.00918.23
7.3.10.0070.00318.23
7.3.00.0040.00718.09
7.2.330.0070.01016.52
7.2.320.0130.01016.67
7.2.310.0140.00316.25
7.2.300.0030.02016.43
7.2.290.0120.00416.48
7.2.260.0070.01316.54
7.2.250.0070.01316.44
7.2.240.0100.00316.46
7.2.230.0160.00316.33
7.2.220.0120.00616.49
7.2.210.0070.00716.48
7.2.200.0040.01216.50
7.2.190.0070.00316.32
7.2.180.0070.00716.43
7.2.170.0000.01416.46
7.2.160.0090.00616.31
7.2.150.0030.00918.30
7.2.140.0030.00618.17
7.2.130.0000.01018.40
7.2.120.0090.00318.20
7.2.110.0000.01218.24
7.2.100.0070.00318.26
7.2.90.0040.01118.31
7.2.80.0030.01318.04
7.2.70.0060.00618.24
7.2.60.0070.00717.33
7.2.50.0070.01118.20
7.2.40.0100.00318.09
7.2.30.0070.00718.36
7.2.20.0070.00718.27
7.2.10.0110.00718.46
7.2.00.0030.01018.81
7.1.330.0060.01017.10
7.1.320.0070.01117.10
7.1.310.0100.00717.32
7.1.300.0030.00617.16
7.1.290.0060.01017.08
7.1.280.0050.00817.35
7.1.270.0070.00716.98
7.1.260.0040.00817.14
7.1.250.0030.00617.06
7.1.240.0030.00617.07
7.1.230.0060.00917.17
7.1.220.0040.00817.13
7.1.210.0070.00717.03
7.1.200.0050.00916.14
7.1.190.0070.00717.07
7.1.180.0070.00417.21
7.1.170.0130.00316.94
7.1.160.0100.00717.30
7.1.150.0060.00917.14
7.1.140.0000.01017.07
7.1.130.0100.00717.09
7.1.120.0040.01117.02
7.1.110.0110.00417.09
7.1.100.0070.00717.67
7.1.90.0100.00717.11
7.1.80.0000.01416.99
7.1.70.0690.00916.01
7.1.60.0460.00825.21
7.1.50.0370.01225.14
7.1.40.0450.01424.83
7.1.30.0540.01124.95
7.1.20.0490.01024.83
7.1.10.0330.01115.87
7.1.00.0300.01215.91
7.0.330.0030.00917.04
7.0.320.0000.01116.93
7.0.310.0070.00316.83
7.0.300.0040.01116.71
7.0.290.0060.00316.92
7.0.280.0040.00716.84
7.0.270.0080.00816.88
7.0.260.0030.01216.91
7.0.250.0100.00317.06
7.0.240.0090.00917.02
7.0.230.0030.01016.91
7.0.220.0080.00417.11
7.0.210.0070.00416.98
7.0.200.0320.01015.68
7.0.190.0360.00815.86
7.0.180.0340.01215.58
7.0.170.0430.00815.65
7.0.160.0510.00915.53
7.0.150.0320.00915.61
7.0.140.0350.00815.58
7.0.130.0310.01215.93
7.0.120.0390.00915.87
7.0.110.0320.00715.71
7.0.100.0310.01115.78
7.0.90.0360.00715.62
7.0.80.0370.00715.51
7.0.70.0250.01215.70
7.0.60.0400.00515.53
7.0.50.0290.00315.63
7.0.40.0380.01314.63
7.0.30.0240.00814.66
7.0.20.0340.00714.65
7.0.10.0230.01214.74
7.0.00.0660.00614.60
5.6.400.0060.00715.53
5.6.390.0070.00715.64
5.6.380.0030.00615.82
5.6.370.0060.00616.09
5.6.360.0110.00415.71
5.6.350.0030.00715.82
5.6.340.0000.01315.61
5.6.330.0030.00715.50
5.6.320.0030.01315.86
5.6.310.0030.01615.79
5.6.300.0090.00615.64
5.6.290.0040.00815.81
5.6.280.0060.00915.73
5.6.270.0040.00815.72
5.6.260.0030.01015.68
5.6.250.0070.01116.04
5.6.240.0030.00715.84
5.6.230.0080.00815.60
5.6.220.0030.01015.61
5.6.210.0060.01015.77
5.6.200.0070.00715.53
5.6.190.0100.00615.73
5.6.180.0000.01415.99
5.6.170.0130.00315.78
5.6.160.0060.00315.73
5.6.150.0070.00715.71
5.6.140.0110.00415.75
5.6.130.0070.01015.71
5.6.120.0060.00915.80
5.6.110.0130.00615.53
5.6.100.0000.01115.48
5.6.90.0030.01215.64
5.6.80.0160.00015.70
5.6.70.0070.00415.61
5.6.60.0090.00915.48
5.6.50.0030.01215.57
5.6.40.0040.01115.58
5.6.30.0030.00915.51
5.6.20.0030.01415.41
5.6.10.0000.01415.58
5.6.00.0030.01015.66

preferences:
42.9 ms | 400 KiB | 5 Q