3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace a { class a { public static function test() { $ns = get_called_class(); $ns = substr($ns, 0, strrpos($ns, '\\')); $ns = $ns."\Model"; echo $ns; } } } namespace b { class b extends \a\a { } } namespace { \b\b::test(); }

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)
8.3.40.0000.01518.70
8.3.30.0110.00319.13
8.3.20.0040.00420.19
8.3.10.0040.00423.68
8.3.00.0040.00419.12
8.2.170.0090.00622.96
8.2.160.0000.01421.99
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0000.00821.20
8.2.110.0030.00622.25
8.2.100.0080.00417.72
8.2.90.0000.00817.59
8.2.80.0050.00318.78
8.2.70.0080.00017.80
8.2.60.0000.00918.09
8.2.50.0080.00019.39
8.2.40.0060.00319.34
8.2.30.0000.00719.17
8.2.20.0000.00717.61
8.2.10.0000.00818.05
8.2.00.0030.00617.70
8.1.270.0000.00718.89
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0120.00923.91
8.1.230.0140.00019.61
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0060.00317.22
8.1.190.0000.00817.23
8.1.180.0040.00418.95
8.1.170.0060.00318.52
8.1.160.0000.00718.95
8.1.150.0000.00818.88
8.1.140.0030.00517.40
8.1.130.0080.00017.84
8.1.120.0030.00517.38
8.1.110.0040.00417.39
8.1.100.0000.00717.27
8.1.90.0050.00317.36
8.1.80.0040.00417.34
8.1.70.0030.00617.44
8.1.60.0030.00517.54
8.1.50.0030.00617.43
8.1.40.0070.00017.57
8.1.30.0000.00817.56
8.1.20.0000.00717.66
8.1.10.0040.00417.59
8.1.00.0030.00617.56
8.0.300.0070.00020.52
8.0.290.0050.00316.75
8.0.280.0070.00018.36
8.0.270.0050.00217.25
8.0.260.0000.00617.29
8.0.250.0040.00416.94
8.0.240.0000.00716.97
8.0.230.0030.00316.98
8.0.220.0000.00716.89
8.0.210.0050.00316.84
8.0.200.0040.00416.84
8.0.190.0000.00916.88
8.0.180.0040.00416.78
8.0.170.0000.00816.84
8.0.160.0030.00516.92
8.0.150.0040.00416.82
8.0.140.0050.00216.87
8.0.130.0030.00313.27
8.0.120.0000.00816.91
8.0.110.0040.00416.93
8.0.100.0040.00416.89
8.0.90.0030.00516.84
8.0.80.0090.00616.77
8.0.70.0050.00216.77
8.0.60.0040.00416.93
8.0.50.0040.00316.70
8.0.30.0140.01116.92
8.0.20.0110.01317.40
8.0.10.0070.00016.78
8.0.00.0140.00616.61
7.4.330.0000.00515.03
7.4.320.0000.00616.56
7.4.300.0000.00616.63
7.4.290.0000.00716.43
7.4.280.0000.00816.61
7.4.270.0030.00316.50
7.4.260.0030.00316.54
7.4.250.0050.00216.32
7.4.240.0020.00516.63
7.4.230.0000.00716.67
7.4.220.0120.00616.60
7.4.210.0030.01316.46
7.4.200.0070.00016.30
7.4.160.0110.01116.47
7.4.150.0080.01117.40
7.4.140.0080.01017.86
7.4.130.0140.01516.44
7.4.120.0120.00516.56
7.4.110.0110.00816.52
7.4.100.0090.01216.52
7.4.90.0090.00916.62
7.4.80.0140.00719.39
7.4.70.0040.01216.38
7.4.60.0000.01516.40
7.4.50.0000.00416.57
7.4.40.0100.00616.54
7.4.30.0140.00316.56
7.4.00.0000.01414.78
7.3.330.0060.00013.10
7.3.320.0020.00212.99
7.3.310.0000.00716.30
7.3.300.0030.00516.07
7.3.290.0060.00816.26
7.3.280.0130.00316.24
7.3.270.0070.01117.40
7.3.260.0170.00016.24
7.3.250.0110.00816.44
7.3.240.0140.00716.30
7.3.230.0150.00316.39
7.3.210.0170.00616.37
7.3.200.0140.00319.39
7.3.190.0040.01216.64
7.3.180.0060.00916.47
7.3.170.0060.00916.38
7.3.160.0130.00316.14
7.3.10.0040.01516.14
7.3.00.0090.00716.44
7.2.330.0060.01116.76
7.2.320.0120.00616.81
7.2.310.0120.00416.92
7.2.300.0110.00516.69
7.2.290.0040.01816.87
7.2.130.0050.01316.76
7.2.120.0110.00416.45
7.2.110.0100.01216.85
7.2.100.0090.00816.72
7.2.90.0120.00516.67
7.2.80.0080.00516.82
7.2.70.0110.00816.70
7.2.60.0130.00716.63
7.2.50.0140.00916.53
7.2.40.0090.01016.82
7.2.30.0130.00616.81
7.2.20.0090.00816.60
7.2.10.0080.00916.61
7.2.00.0070.01017.58
7.1.250.0110.00515.54
7.1.200.0000.00915.49
7.1.100.0060.01318.05
7.1.70.0000.00917.08
7.1.60.0110.01119.22
7.1.50.0040.01916.88
7.1.00.0000.08022.36
7.0.200.0040.00716.75
7.0.140.0030.07321.96
7.0.60.0000.09320.03
7.0.50.0030.04017.86
7.0.40.0100.08020.23
7.0.30.0270.03320.25
7.0.20.0230.05720.19
7.0.10.0100.08320.09
7.0.00.0130.07720.29
5.6.280.0030.07321.08
5.6.210.0030.04020.61
5.6.200.0100.07318.23
5.6.190.0030.04720.55
5.6.180.0230.08020.63
5.6.170.0230.06720.56
5.6.160.0130.03720.55
5.6.150.0100.08018.16
5.6.140.0100.05718.18
5.6.130.0070.07718.18
5.6.120.0030.04721.01
5.6.110.0070.08321.02
5.6.100.0000.09720.96
5.6.90.0100.08721.00
5.6.80.0000.04320.41
5.5.350.0200.08020.41
5.5.340.0000.04017.95
5.5.330.0100.08320.35
5.5.320.0300.04720.31
5.5.310.0200.04720.32
5.5.300.0070.04018.08
5.5.290.0100.07318.02
5.5.280.0030.05720.77
5.5.270.0070.09020.62
5.5.260.0070.05720.74
5.5.250.0100.07020.79
5.5.240.0070.07020.26
5.4.450.0270.05319.20
5.4.440.0130.06719.31
5.4.430.0270.04719.62
5.4.420.0130.06019.64
5.4.410.0170.05719.30
5.4.400.0230.05019.32
5.4.390.0270.06318.75
5.4.380.0570.05718.86
5.4.370.0270.05718.73
5.4.360.0370.04718.75
5.4.350.0370.04718.72
5.4.340.0300.06318.53
5.4.320.0200.06718.73
5.4.310.0330.06718.56
5.4.300.0330.06318.63
5.4.290.0370.06318.74
5.4.280.0370.05018.71
5.4.270.0330.05718.61
5.4.260.0370.05718.83
5.4.250.0300.06318.71
5.4.240.0430.05018.41
5.4.230.0430.06018.73
5.4.220.0270.05718.79
5.4.210.0370.04718.52
5.4.200.0270.06016.79
5.4.190.0400.05318.54
5.4.180.0330.05318.75
5.4.170.0370.05718.73
5.4.160.0530.06718.67
5.4.150.0370.05018.72
5.4.140.0330.06316.45
5.4.130.0500.06016.28
5.4.120.0330.05016.45
5.4.110.0330.06016.45
5.4.100.0300.05316.26
5.4.90.0300.05716.46
5.4.80.0330.06016.28
5.4.70.0330.05316.43
5.4.60.0270.05716.15
5.4.50.0300.05716.23
5.4.40.0400.05016.26
5.4.30.0370.06716.40
5.4.20.0430.05316.41
5.4.10.0330.06016.38
5.4.00.0500.05715.67
5.3.290.0300.05714.76
5.3.280.0400.05014.77
5.3.270.0170.06714.89
5.3.260.0330.05314.80
5.3.250.0230.06014.64
5.3.240.0370.05014.77
5.3.230.0300.06014.64
5.3.220.0500.04014.85
5.3.210.0400.05314.73
5.3.200.0330.05714.62
5.3.190.0470.06714.65
5.3.180.0370.05014.77
5.3.170.0400.05714.69
5.3.160.0500.05714.59
5.3.150.0130.05714.59
5.3.140.0200.05314.83
5.3.130.0130.06714.60
5.3.120.0170.06714.75
5.3.110.0430.06714.75
5.3.100.0330.07714.07
5.3.90.0270.05714.30
5.3.80.0330.05314.24
5.3.70.0330.05314.07
5.3.60.0300.05314.10
5.3.50.0330.05314.07
5.3.40.0330.05313.98
5.3.30.0370.06314.04
5.3.20.0270.05313.72
5.3.10.0330.05713.79
5.3.00.0270.06013.74
5.2.170.0330.04011.13
5.2.160.0300.04311.13
5.2.150.0230.05011.20
5.2.140.0270.04311.19
5.2.130.0300.03711.03
5.2.120.0300.04011.14
5.2.110.0270.05711.09
5.2.100.0300.03711.14
5.2.90.0270.04011.07
5.2.80.0270.04011.10
5.2.70.0170.05311.03
5.2.60.0300.03711.03
5.2.50.0170.04710.99
5.2.40.0200.03710.98
5.2.30.0130.04711.01
5.2.20.0200.04010.99
5.2.10.0300.03010.96
5.2.00.0230.03710.85
5.1.60.0170.03710.11
5.1.50.0170.03710.03
5.1.40.0200.03710.01
5.1.30.0230.03710.38
5.1.20.0200.03710.33
5.1.10.0200.03710.20
5.1.00.0170.04710.05
5.0.50.0130.0308.66
5.0.40.0070.0338.43
5.0.30.0100.0478.32
5.0.20.0170.0278.39
5.0.10.0170.0238.20
5.0.00.0130.0408.28
4.4.90.0130.0205.91
4.4.80.0070.0275.81
4.4.70.0070.0275.87
4.4.60.0130.0235.87
4.4.50.0130.0275.87
4.4.40.0100.0375.91
4.4.30.0100.0235.93
4.4.20.0200.0235.97
4.4.10.0130.0205.98
4.4.00.0130.0305.97
4.3.110.0070.0235.84
4.3.100.0100.0205.79
4.3.90.0100.0175.82
4.3.80.0030.0435.79
4.3.70.0070.0235.89
4.3.60.0100.0205.87
4.3.50.0100.0205.82
4.3.40.0070.0375.78
4.3.30.0030.0235.14
4.3.20.0000.0305.14
4.3.10.0100.0175.14
4.3.00.0170.0277.22

preferences:
64.08 ms | 400 KiB | 5 Q