3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public static function test() { function concat() { echo 'concat'; } concat(); } } A::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)
8.3.60.0090.01218.55
8.3.50.0140.00422.77
8.3.40.0110.00418.57
8.3.30.0110.01118.63
8.3.20.0050.00320.33
8.3.10.0020.00521.73
8.3.00.0000.00820.84
8.2.180.0090.00618.43
8.2.170.0110.00422.96
8.2.160.0100.00318.98
8.2.150.0110.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00720.52
8.2.120.0050.00226.35
8.2.110.0060.00620.80
8.2.100.0040.00818.04
8.2.90.0000.00919.09
8.2.80.0000.00817.97
8.2.70.0090.00317.50
8.2.60.0000.00819.09
8.2.50.0060.00318.10
8.2.40.0040.00420.42
8.2.30.0000.00819.09
8.2.20.0000.00717.66
8.2.10.0000.00717.99
8.2.00.0050.00217.86
8.1.280.0110.00725.92
8.1.270.0080.00023.99
8.1.260.0060.00328.09
8.1.250.0070.00028.09
8.1.240.0030.00621.30
8.1.230.0040.00717.70
8.1.220.0090.00017.74
8.1.210.0000.00818.77
8.1.200.0080.00417.23
8.1.190.0030.00517.23
8.1.180.0000.00818.10
8.1.170.0060.00318.55
8.1.160.0000.00818.93
8.1.150.0000.00718.77
8.1.140.0000.00719.39
8.1.130.0070.00017.54
8.1.120.0000.00717.37
8.1.110.0060.00317.38
8.1.100.0070.00017.40
8.1.90.0000.00817.43
8.1.80.0070.00017.27
8.1.70.0030.00317.45
8.1.60.0080.00017.53
8.1.50.0060.00317.33
8.1.40.0000.00817.43
8.1.30.0040.00417.62
8.1.20.0060.00317.45
8.1.10.0030.00617.36
8.1.00.0040.00417.38
8.0.300.0030.00618.77
8.0.290.0090.00016.63
8.0.280.0040.00418.44
8.0.270.0030.00317.15
8.0.260.0000.00817.21
8.0.250.0040.00416.86
8.0.240.0030.00316.94
8.0.230.0060.00016.98
8.0.220.0000.00716.87
8.0.210.0000.00716.94
8.0.200.0030.00316.88
8.0.190.0070.00016.96
8.0.180.0030.00316.92
8.0.170.0040.00416.94
8.0.160.0080.00016.84
8.0.150.0000.00816.77
8.0.140.0000.00816.76
8.0.130.0050.00013.22
8.0.120.0030.00516.68
8.0.110.0000.00716.64
8.0.100.0040.00416.67
8.0.90.0050.00316.70
8.0.80.0060.01216.77
8.0.70.0000.00716.89
8.0.60.0000.00716.69
8.0.50.0070.00016.93
8.0.30.0120.00716.96
8.0.20.0060.01317.40
8.0.10.0070.00317.00
8.0.00.0150.00616.66
7.4.330.0000.00415.08
7.4.320.0030.00316.42
7.4.300.0030.00316.44
7.4.290.0000.00816.32
7.4.280.0070.00016.41
7.4.270.0060.00016.45
7.4.260.0040.00416.42
7.4.250.0040.00416.31
7.4.240.0030.00516.45
7.4.230.0030.00316.47
7.4.220.0100.01016.39
7.4.210.0090.00916.63
7.4.200.0000.00716.34
7.4.160.0130.00316.53
7.4.150.0090.00917.40
7.4.140.0080.00817.86
7.4.130.0150.00216.56
7.4.120.0090.01116.46
7.4.110.0000.01716.42
7.4.100.0140.00316.60
7.4.90.0030.01316.73
7.4.80.0130.00319.39
7.4.70.0160.00016.39
7.4.60.0100.00716.49
7.4.50.0100.00016.12
7.4.40.0110.00616.59
7.4.30.0110.00616.52
7.4.00.0030.00914.96
7.3.330.0040.00413.24
7.3.320.0000.00613.16
7.3.310.0000.00716.33
7.3.300.0030.00316.26
7.3.290.0000.00716.26
7.3.280.0050.01116.29
7.3.270.0110.00717.40
7.3.260.0130.00516.53
7.3.250.0110.00616.37
7.3.240.0090.00916.44
7.3.230.0080.00916.39
7.3.210.0100.00716.41
7.3.200.0130.00316.61
7.3.190.0140.00316.44
7.3.180.0200.00316.26
7.3.170.0040.01616.41
7.3.160.0080.00816.34
7.2.330.0130.00416.66
7.2.320.0120.00616.71
7.2.310.0070.01416.46
7.2.300.0080.00816.66
7.2.290.0070.01116.49
7.1.70.0030.00916.89
7.1.60.0070.00419.90
7.1.00.0030.07722.43
7.0.200.1030.00714.35
7.0.70.0300.08020.02
7.0.60.0170.07719.99
7.0.50.0230.05320.38
7.0.40.0170.06320.21
7.0.30.0130.06020.38
7.0.20.0900.08320.37
7.0.10.0300.06020.34
7.0.00.0230.05320.29
5.6.280.0030.07320.89
5.6.220.0370.05020.56
5.6.210.0330.06320.70
5.6.200.0370.07321.11
5.6.190.0200.09021.15
5.6.180.0000.07321.09
5.6.170.0230.05721.09
5.6.160.0100.06721.03
5.6.150.0070.06721.12
5.6.140.0170.05721.11
5.6.130.0230.05021.18
5.6.120.0200.05321.11
5.6.110.0170.06021.10
5.6.100.0170.06021.09
5.6.90.0230.05021.07
5.6.80.0130.05720.48
5.6.70.0130.05720.49
5.6.60.0200.05020.44
5.6.50.0230.04720.48
5.6.40.0130.05720.50
5.6.30.0200.05020.51
5.6.20.0130.05720.46
5.6.10.0200.04720.45
5.6.00.0230.04720.44
5.5.360.0270.08020.41
5.5.350.0230.05720.47
5.5.340.0270.05320.97
5.5.330.0130.05720.90
5.5.320.0170.05320.95
5.5.310.0230.06720.97
5.5.300.0170.05720.93
5.5.290.0070.07020.86
5.5.280.0130.06720.72
5.5.270.0230.05020.98
5.5.260.0200.05320.96
5.5.250.0100.06320.71
5.5.240.0170.05320.28
5.5.230.0130.06320.22
5.5.220.0100.06020.24
5.5.210.0230.04720.35
5.5.200.0170.05320.33
5.5.190.0070.06320.31
5.5.180.0200.07320.31
5.5.160.0270.04320.31
5.5.150.0170.07720.29
5.5.140.0330.05320.30
5.5.130.0230.06720.31
5.5.120.0070.06320.29
5.5.110.0200.05020.32
5.5.100.0270.04320.02
5.5.90.0170.05020.08
5.5.80.0300.03720.15
5.5.70.0230.04720.18
5.5.60.0170.05020.19
5.5.50.0200.05020.00
5.5.40.0200.05020.13
5.5.30.0170.05320.08
5.5.20.0130.06020.09
5.5.10.0170.05320.07
5.5.00.0130.05720.08

preferences:
35.45 ms | 401 KiB | 5 Q