3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace foo; define (__NAMESPACE__ . '\NULL', 10, false); // produces notice - Constant null already defined echo null;

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)
8.3.60.0040.01116.38
8.3.50.0140.00422.11
8.3.40.0090.00618.75
8.3.30.0090.00618.71
8.3.20.0000.00720.38
8.3.10.0000.00823.56
8.3.00.0040.00419.85
8.2.180.0100.01018.41
8.2.170.0150.00022.96
8.2.160.0100.00320.43
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00321.05
8.2.120.0080.00026.35
8.2.110.0050.00520.20
8.2.100.0060.00617.80
8.2.90.0060.00319.13
8.2.80.0000.00817.97
8.2.70.0000.00817.38
8.2.60.0040.00417.67
8.2.50.0030.00618.07
8.2.40.0000.00821.04
8.2.30.0030.00520.62
8.2.20.0040.00417.49
8.2.10.0030.00517.93
8.2.00.0000.00717.97
8.1.280.0140.00025.92
8.1.270.0050.00520.38
8.1.260.0030.00628.09
8.1.250.0000.00728.09
8.1.240.0040.00423.87
8.1.230.0080.00319.08
8.1.220.0030.00617.74
8.1.210.0030.00618.77
8.1.200.0000.00917.23
8.1.190.0030.00517.63
8.1.180.0030.00618.10
8.1.170.0000.00818.51
8.1.160.0040.00420.54
8.1.150.0030.00618.71
8.1.140.0000.00819.45
8.1.130.0000.00717.62
8.1.120.0020.00517.42
8.1.110.0000.00817.31
8.1.100.0000.00817.34
8.1.90.0000.00717.33
8.1.80.0000.00717.32
8.1.70.0040.00417.30
8.1.60.0030.00617.41
8.1.50.0040.00417.28
8.1.40.0040.00417.29
8.1.30.0080.00017.48
8.1.20.0040.00417.36
8.1.10.0040.00417.36
8.1.00.0030.00617.37
8.0.300.0000.00718.77
8.0.290.0000.00716.63
8.0.280.0070.00018.33
8.0.270.0040.00417.10
8.0.260.0030.00317.23
8.0.250.0040.00416.81
8.0.240.0030.00316.87
8.0.230.0000.00716.80
8.0.220.0000.00816.73
8.0.210.0040.00416.66
8.0.200.0030.00316.89
8.0.190.0040.00416.71
8.0.180.0030.00316.76
8.0.170.0000.00816.74
8.0.160.0030.00316.75
8.0.150.0070.00016.59
8.0.140.0030.00916.62
8.0.130.0000.00513.16
8.0.120.0000.00816.70
8.0.110.0000.00716.76
8.0.100.0040.00416.65
8.0.90.0050.00316.56
8.0.80.0140.00316.75
8.0.70.0050.00316.71
8.0.60.0000.00816.72
8.0.50.0000.00716.71
8.0.30.0120.00616.88
8.0.20.0120.00717.40
8.0.10.0040.00416.84
8.0.00.0050.01416.58
7.4.330.0050.00016.78
7.4.320.0030.00316.47
7.4.300.0030.00316.50
7.4.290.0070.00016.28
7.4.280.0030.00616.21
7.4.270.0030.00516.42
7.4.260.0030.00616.28
7.4.250.0070.00016.34
7.4.240.0030.00416.37
7.4.230.0070.00016.20
7.4.220.0180.00716.39
7.4.210.0100.01016.24
7.4.200.0040.00316.40
7.4.160.0070.01016.25
7.4.150.0120.00617.40
7.4.140.0110.01017.86
7.4.130.0090.00916.43
7.4.120.0090.01116.39
7.4.110.0120.00816.23
7.4.100.0130.01016.30
7.4.90.0100.00716.31
7.4.80.0080.01419.39
7.4.70.0100.01016.30
7.4.60.0080.01216.32
7.4.50.0030.00916.32
7.4.40.0130.00616.36
7.4.30.0060.01616.32
7.4.00.0020.01115.01
7.3.330.0050.00012.89
7.3.320.0030.00312.87
7.3.310.0080.00015.96
7.3.300.0000.00816.15
7.3.290.0070.00916.14
7.3.280.0050.01116.12
7.3.270.0110.01217.40
7.3.260.0060.01016.38
7.3.240.0140.00616.29
7.3.230.0140.00616.39
7.3.210.0110.00716.21
7.3.200.0040.01716.22
7.3.190.0090.01016.49
7.3.180.0180.00016.34
7.3.170.0070.01316.36
7.3.160.0090.00716.12
7.3.120.0060.01214.75
7.3.110.0030.00914.41
7.3.100.0090.00614.63
7.3.90.0040.01414.89
7.3.80.0030.01014.96
7.3.70.0030.01314.58
7.3.60.0090.00614.35
7.3.50.0070.00714.72
7.3.40.0030.01014.60
7.3.30.0040.01214.70
7.3.20.0000.01416.62
7.3.10.0080.00816.44
7.3.00.0080.00916.56
7.2.330.0030.01416.59
7.2.320.0060.01216.26
7.2.310.0100.00716.49
7.2.300.0110.00816.25
7.2.290.0100.00716.55
7.2.250.0040.01415.05
7.2.240.0110.00714.96
7.2.230.0080.00814.97
7.2.220.0070.00715.02
7.2.210.0070.01014.75
7.2.200.0060.01214.78
7.2.190.0060.00914.57
7.2.180.0090.00614.85
7.2.170.0060.00914.75
7.2.130.0080.01016.39
7.2.120.0120.00816.57
7.2.110.0100.00716.55
7.2.100.0100.00916.77
7.2.90.0090.00716.55
7.2.80.0100.00816.23
7.2.70.0120.01116.77
7.2.60.0050.01016.32
7.2.50.0050.01216.53
7.2.40.0180.00616.77
7.2.30.0050.01216.49
7.2.20.0100.01116.66
7.2.10.0140.00316.50
7.2.00.0100.00717.58
7.1.330.0060.00615.92
7.1.320.0040.00715.79
7.1.310.0100.00315.48
7.1.300.0000.00915.65
7.1.290.0030.01415.60
7.1.280.0040.00715.73
7.1.270.0090.00615.34
7.1.260.0110.00715.67
7.1.250.0110.00815.23
7.1.100.0070.00718.06
7.1.70.0110.00716.67
7.1.60.0060.01619.13
7.1.50.0070.01816.86
7.1.00.0000.08022.30
7.0.200.0050.00516.85
7.0.60.0130.07019.90
7.0.50.0070.04017.82
7.0.40.0030.05720.03
7.0.30.0170.05320.18
7.0.20.0330.04720.18
7.0.10.0130.08320.18
7.0.00.0030.04320.03
5.6.280.0030.06721.00
5.6.210.0100.07320.50
5.6.200.0070.08018.18
5.6.190.0070.05020.35
5.6.180.0000.05020.58
5.6.170.0230.06720.71
5.6.160.0130.06320.48
5.6.150.0170.07318.19
5.6.140.0070.06018.21
5.6.130.0230.04018.18
5.6.120.0030.04020.98
5.6.110.0100.08021.04
5.6.100.0100.05020.98
5.6.90.0070.04021.10
5.6.80.0000.04020.50
5.5.350.3200.03720.40
5.5.340.0100.07717.88
5.5.330.0100.05320.40
5.5.320.0630.05320.13
5.5.310.0300.07720.30
5.5.300.0030.05017.98
5.5.290.0100.07718.02
5.5.280.0030.08020.77
5.5.270.0100.08720.95
5.5.260.0000.05320.75
5.5.250.0030.08020.61
5.5.240.0130.04320.23

preferences:
49.39 ms | 401 KiB | 5 Q