3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strlen("it's natasha"); ?>

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)
8.3.60.0140.00718.56
8.3.50.0160.00318.20
8.3.40.0070.01018.51
8.3.30.0110.00418.92
8.3.20.0030.00320.37
8.3.10.0040.00423.53
8.3.00.0070.00019.26
8.2.180.0170.00018.04
8.2.170.0070.00722.96
8.2.160.0100.00320.39
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0050.00226.16
8.2.120.0070.00022.04
8.2.110.0090.00020.43
8.2.100.0080.00417.84
8.2.90.0000.00719.08
8.2.80.0000.00817.97
8.2.70.0100.00017.63
8.2.60.0040.00417.80
8.2.50.0050.00318.07
8.2.40.0040.00418.03
8.2.30.0000.00717.97
8.2.20.0030.00517.37
8.2.10.0000.00717.98
8.2.00.0040.00417.47
8.1.280.0130.00325.92
8.1.270.0030.01022.09
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00321.99
8.1.230.0080.00420.87
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00617.22
8.1.190.0070.00017.10
8.1.180.0050.00518.10
8.1.170.0000.00920.38
8.1.160.0070.00021.86
8.1.150.0070.00018.81
8.1.140.0000.00817.25
8.1.130.0000.00717.62
8.1.120.0030.00417.32
8.1.110.0030.00317.31
8.1.100.0040.00417.21
8.1.90.0030.00517.33
8.1.80.0000.00717.31
8.1.70.0000.00717.23
8.1.60.0000.01017.43
8.1.50.0060.00317.45
8.1.40.0060.00317.25
8.1.30.0050.00317.47
8.1.20.0040.00417.46
8.1.10.0000.00817.46
8.1.00.0030.00517.31
8.0.300.0000.00718.77
8.0.290.0080.00016.63
8.0.280.0000.00718.37
8.0.270.0000.00717.19
8.0.260.0030.00318.37
8.0.250.0030.00316.84
8.0.240.0040.00416.81
8.0.230.0000.00616.77
8.0.220.0030.00316.77
8.0.210.0000.00616.64
8.0.200.0060.00016.70
8.0.190.0000.00916.71
8.0.180.0000.00816.63
8.0.170.0000.00816.82
8.0.160.0070.00016.82
8.0.150.0030.00316.74
8.0.140.0000.00716.73
8.0.130.0030.00313.22
8.0.120.0060.00316.71
8.0.110.0070.00016.73
8.0.100.0000.00816.66
8.0.90.0040.00316.71
8.0.80.0170.00016.80
8.0.70.0050.00216.54
8.0.60.0030.00516.61
8.0.50.0040.00416.76
8.0.30.0120.00816.87
8.0.20.0090.01017.40
8.0.10.0000.00716.75
8.0.00.0080.01116.86
7.4.330.0070.00015.02
7.4.320.0030.00316.53
7.4.300.0000.00616.50
7.4.290.0030.00616.39
7.4.280.0000.00816.28
7.4.270.0030.00516.49
7.4.260.0030.00616.47
7.4.250.0000.00716.32
7.4.240.0030.00416.41
7.4.230.0000.00616.20
7.4.220.0110.00616.45
7.4.210.0130.00616.42
7.4.200.0000.00816.39
7.4.160.0060.00916.21
7.4.150.0070.01117.40
7.4.140.0090.00817.86
7.4.130.0110.00816.31
7.4.120.0080.00916.43
7.4.110.0090.00916.40
7.4.100.0100.00616.31
7.4.90.0150.00716.55
7.4.80.0140.00319.39
7.4.70.0060.01516.47
7.4.60.0030.01316.33
7.4.50.0060.00316.27
7.4.40.0030.01316.43
7.4.30.0100.01016.30
7.4.00.0030.00914.88
7.3.330.0050.00012.98
7.3.320.0030.00313.10
7.3.310.0050.00315.97
7.3.300.0030.00316.00
7.3.290.0090.00516.12
7.3.280.0080.01116.14
7.3.270.0110.00517.40
7.3.260.0070.01016.16
7.3.250.0100.01016.36
7.3.240.0080.00816.44
7.3.230.0030.01316.44
7.3.210.0060.01116.26
7.3.200.0060.01019.39
7.3.190.0100.00716.20
7.3.180.0120.00816.41
7.3.170.0070.01116.27
7.3.160.0000.01616.35
7.2.330.0080.00816.38
7.2.320.0150.00316.58
7.2.310.0100.00716.51
7.2.300.0130.00316.53
7.2.290.0070.01316.44
7.2.00.0040.00719.45
7.1.100.0000.01218.00
7.1.70.0040.00417.08
7.1.60.0180.00719.32
7.1.50.0060.01916.53
7.1.00.0000.08022.45
7.0.200.0000.01016.40
7.0.140.0030.07322.07
7.0.60.0030.09019.89
7.0.50.0030.04017.87
7.0.40.0070.04020.21
7.0.30.0430.08320.31
7.0.20.0330.07320.17
7.0.10.0100.08320.12
7.0.00.0230.06720.08
5.6.280.0070.07021.11
5.6.210.0030.08320.70
5.6.200.0100.06018.21
5.6.190.0170.07720.60
5.6.180.0130.04020.67
5.6.170.0300.07320.51
5.6.160.0030.05720.43
5.6.150.0100.05718.11
5.6.140.0100.07718.12
5.6.130.0000.04318.11
5.6.120.0000.05721.14
5.6.110.0070.08721.04
5.6.100.0230.06720.97
5.6.90.0200.07020.97
5.6.80.0070.07320.44
5.6.70.4100.04020.37
5.5.350.0500.05320.38
5.5.340.0070.08017.96
5.5.330.0030.04020.25
5.5.320.0330.07020.20
5.5.310.0430.05720.41
5.5.300.0030.07017.95
5.5.290.0070.06718.00
5.5.280.0130.06720.80
5.5.270.0230.03720.83
5.5.260.0130.07720.78
5.5.250.0030.04020.69
5.5.240.0130.05020.27
5.4.450.0300.05319.47
5.4.440.0700.05719.14
5.4.430.0800.06319.24
5.4.420.0870.04719.13
5.4.410.0570.06019.39
5.4.400.0670.05019.32
5.4.390.0730.05719.16
5.4.380.0130.07319.26
5.4.370.0870.04719.32
5.4.360.0330.06019.13
5.4.350.0170.04719.22
5.4.340.0060.03411.96
5.4.320.0050.03712.45
5.4.310.0050.03812.45
5.4.300.0050.03612.45
5.4.290.0070.03612.45
5.4.280.0060.03412.34
5.4.270.0050.03612.34
5.4.260.0030.04012.34
5.4.250.0050.03812.35
5.4.240.0090.03412.35
5.4.230.0070.04912.34
5.4.220.0070.03712.34
5.4.210.0020.03912.34
5.4.200.0050.03812.34
5.4.190.0070.04612.34
5.4.180.0070.04012.33
5.4.170.0060.03712.35
5.4.160.0030.03912.34
5.4.150.0080.03412.34
5.4.140.0090.03412.02
5.4.130.0030.04012.01
5.4.120.0070.03511.97
5.4.110.0060.04111.97
5.4.100.0030.03811.96
5.4.90.0060.03811.96
5.4.80.0080.04111.96
5.4.70.0070.03911.96
5.4.60.0040.04011.96
5.4.50.0060.05011.96
5.4.40.0040.03711.95
5.4.30.0040.03811.95
5.4.20.0070.03711.95
5.4.10.0030.03711.95
5.4.00.0050.03711.43

preferences:
49.6 ms | 400 KiB | 5 Q