3v4l.org

run code in 300+ PHP versions simultaneously
<?php $cl = `sub_str('clgt',1,2)`; echo $cl;

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)
8.3.60.0150.00016.63
8.3.50.0110.00422.81
8.3.40.0070.00818.59
8.3.30.0100.00418.81
8.3.20.0040.00420.47
8.3.10.0080.00023.79
8.3.00.0040.00417.50
8.2.180.0090.00616.59
8.2.170.0110.00322.96
8.2.160.0030.01020.52
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0050.00326.16
8.2.120.0050.00321.15
8.2.110.0060.00322.32
8.2.100.0040.00818.16
8.2.90.0000.00819.23
8.2.80.0030.00517.97
8.2.70.0040.00417.63
8.2.60.0040.00417.93
8.2.50.0050.00518.07
8.2.40.0000.00818.34
8.2.30.0030.00518.04
8.2.20.0030.00517.59
8.2.10.0050.00317.98
8.2.00.0050.00317.79
8.1.280.0120.00325.92
8.1.270.0040.00424.09
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00624.04
8.1.230.0080.00319.04
8.1.220.0090.00017.74
8.1.210.0050.00318.77
8.1.200.0000.00917.35
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0060.00318.64
8.1.160.0000.00722.00
8.1.150.0040.00418.87
8.1.140.0000.00717.34
8.1.130.0030.00417.89
8.1.120.0070.00017.45
8.1.110.0050.00317.42
8.1.100.0040.00417.43
8.1.90.0040.00417.37
8.1.80.0080.00017.28
8.1.70.0030.00417.27
8.1.60.0000.00817.55
8.1.50.0030.00617.42
8.1.40.0040.00417.39
8.1.30.0030.00517.61
8.1.20.0050.00317.61
8.1.10.0000.00817.48
8.1.00.0070.00017.45
8.0.300.0080.00018.77
8.0.290.0070.00016.75
8.0.280.0040.00418.36
8.0.270.0030.00417.16
8.0.260.0050.00317.30
8.0.250.0030.00717.07
8.0.240.0080.00017.07
8.0.230.0000.00716.82
8.0.220.0030.00316.91
8.0.210.0000.00816.93
8.0.200.0030.00316.91
8.0.190.0030.00516.91
8.0.180.0000.00716.97
8.0.170.0040.00416.96
8.0.160.0030.00516.82
8.0.150.0050.00316.89
8.0.140.0040.00416.84
8.0.130.0030.00313.26
8.0.120.0040.00416.75
8.0.110.0000.00916.95
8.0.100.0000.00816.73
8.0.90.0070.00016.88
8.0.80.0140.00416.91
8.0.70.0040.00416.78
8.0.60.0070.00016.92
8.0.50.0040.00416.94
8.0.30.0140.01016.95
8.0.20.0110.00817.40
8.0.10.0040.00416.88
8.0.00.0070.01416.62
7.4.330.0000.00515.14
7.4.320.0000.00716.33
7.4.300.0040.00416.32
7.4.290.0030.00316.56
7.4.280.0050.00516.31
7.4.270.0030.00316.36
7.4.260.0000.00716.30
7.4.250.0050.00316.44
7.4.240.0050.00316.51
7.4.230.0050.00316.46
7.4.220.0080.01216.34
7.4.210.0090.00616.48
7.4.200.0030.00316.29
7.4.160.0100.01416.52
7.4.150.0150.00317.40
7.4.140.0070.01117.86
7.4.130.0130.00616.48
7.4.120.0090.00916.46
7.4.110.0130.00416.50
7.4.100.0100.00716.62
7.4.90.0070.01116.32
7.4.80.0120.01119.39
7.4.70.0140.00316.38
7.4.60.0170.00016.38
7.4.50.0040.00016.27
7.4.40.0050.01116.45
7.4.30.0030.01316.51
7.4.00.0060.00314.87
7.3.330.0050.00313.21
7.3.320.0000.00513.22
7.3.310.0000.00716.11
7.3.300.0040.00416.05
7.3.290.0070.00816.20
7.3.280.0070.01016.27
7.3.270.0120.00717.40
7.3.260.0140.00616.45
7.3.250.0090.00916.34
7.3.240.0130.00516.47
7.3.230.0110.00716.39
7.3.210.0120.00916.50
7.3.200.0120.00519.39
7.3.190.0070.01016.33
7.3.180.0110.00416.43
7.3.170.0130.00716.30
7.3.160.0080.00816.45
7.2.330.0130.00416.44
7.2.320.0110.00416.37
7.2.310.0060.01016.37
7.2.300.0100.00716.73
7.2.290.0080.01816.54
7.2.00.0030.01319.33
7.1.100.0060.01617.71
7.1.70.0030.00717.21
7.1.60.0030.02319.40
7.1.50.0070.01416.99
7.1.00.0000.08022.57
7.0.200.0030.01014.88
7.0.140.0000.07722.11
7.0.60.0070.04319.96
7.0.50.0070.04017.88
7.0.40.0130.05720.02
7.0.30.0330.06720.06
7.0.20.0230.08020.18
7.0.10.0000.05020.20
7.0.00.0130.03720.20
5.6.280.0030.07020.98
5.6.210.0170.06320.55
5.6.200.0100.03718.22
5.6.190.0030.08320.49
5.6.180.0200.07720.35
5.6.170.0300.05020.51
5.6.160.0070.06320.44
5.6.150.0130.06318.20
5.6.140.0070.08018.25
5.6.130.0030.06018.25
5.6.120.0000.05321.10
5.6.110.0170.08021.11
5.6.100.0000.04320.88
5.6.90.0130.07721.02
5.6.80.0130.06720.40
5.5.350.0170.03720.41
5.5.340.0070.05318.03
5.5.330.0070.07320.21
5.5.320.0400.04720.25
5.5.310.0300.07720.29
5.5.300.0000.04318.05
5.5.290.0070.09018.05
5.5.280.0070.05020.98
5.5.270.0070.05720.95
5.5.260.0070.08320.77
5.5.250.0100.07020.61
5.5.240.0000.03320.27
5.4.450.0130.06319.54
5.4.440.0100.06019.47
5.4.430.0070.06319.10
5.4.420.0170.07719.53
5.4.410.0070.07018.97
5.4.400.0370.05318.82
5.4.390.0430.05318.64
5.4.380.0100.05018.64
5.4.370.0070.05018.66
5.4.360.0100.03318.64
5.4.350.0050.03712.00
5.4.340.0050.04112.00
5.4.320.0110.04112.48
5.4.310.0090.03912.48
5.4.300.0080.04312.48
5.4.290.0100.04012.48
5.4.280.0130.03112.38
5.4.270.0070.04112.38
5.4.260.0100.04312.38
5.4.250.0070.03912.38
5.4.240.0090.03512.38
5.4.230.0090.04012.37
5.4.220.0090.03712.37
5.4.210.0060.03512.37
5.4.200.0110.03712.37
5.4.190.0050.03812.37
5.4.180.0050.03912.37
5.4.170.0060.04112.38
5.4.160.0040.04712.37
5.4.150.0050.04712.37
5.4.140.0060.04212.05
5.4.130.0090.03512.04
5.4.120.0090.03812.00
5.4.110.0070.03811.99
5.4.100.0040.03912.00
5.4.90.0080.03612.00
5.4.80.0060.03712.00
5.4.70.0040.03611.99
5.4.60.0070.03611.99
5.4.50.0040.03811.99
5.4.40.0090.03011.98
5.4.30.0050.03511.98
5.4.20.0040.03611.98
5.4.10.0040.03611.98
5.4.00.0100.03211.46
5.3.290.0050.04312.80
5.3.280.0060.03712.71
5.3.270.0020.04312.73
5.3.260.0060.03912.71
5.3.250.0050.03712.72
5.3.240.0030.03912.72
5.3.230.0050.03812.71
5.3.220.0040.03912.68
5.3.210.0050.04012.68
5.3.200.0060.03712.68
5.3.190.0040.03912.67
5.3.180.0070.03512.67
5.3.170.0060.03712.67
5.3.160.0080.03412.67
5.3.150.0070.04112.68
5.3.140.0080.03412.66
5.3.130.0070.03712.66
5.3.120.0080.03712.66
5.3.110.0070.03812.66
5.3.100.0070.03612.12
5.3.90.0080.03512.08
5.3.80.0040.03812.08
5.3.70.0040.03912.07
5.3.60.0060.03712.06
5.3.50.0030.04112.00
5.3.40.0070.03512.00
5.3.30.0040.03611.95
5.3.20.0080.03311.73
5.3.10.0080.03311.70
5.3.00.0070.03511.68
5.2.170.0060.0299.18
5.2.160.0040.0319.18
5.2.150.0040.0319.18
5.2.140.0040.0319.18
5.2.130.0040.0309.14
5.2.120.0020.0319.14
5.2.110.0060.0289.15
5.2.100.0040.0299.14
5.2.90.0080.0269.14
5.2.80.0070.0319.14
5.2.70.0080.0339.14
5.2.60.0050.0309.09
5.2.50.0050.0309.06
5.2.40.0020.0319.04
5.2.30.0030.0319.02
5.2.20.0050.0299.00
5.2.10.0040.0308.93
5.2.00.0030.0318.78
5.1.60.0030.0258.07
5.1.50.0050.0248.06
5.1.40.0030.0268.05
5.1.30.0050.0258.40
5.1.20.0070.0248.42
5.1.10.0070.0238.14
5.1.00.0020.0278.14
5.0.50.0050.0196.62
5.0.40.0050.0186.48
5.0.30.0050.0306.30
5.0.20.0030.0206.26
5.0.10.0020.0216.24
5.0.00.0030.0316.23
4.4.90.0030.0154.78
4.4.80.0010.0164.76
4.4.70.0030.0154.75
4.4.60.0020.0164.76
4.4.50.0040.0144.77
4.4.40.0060.0224.71
4.4.30.0040.0144.76
4.4.20.0060.0124.85
4.4.10.0020.0164.85
4.4.00.0060.0224.76
4.3.110.0030.0164.67
4.3.100.0060.0134.66
4.3.90.0020.0164.63
4.3.80.0040.0224.58
4.3.70.0050.0134.63
4.3.60.0020.0184.63
4.3.50.0050.0134.63
4.3.40.0040.0234.54
4.3.30.0030.0153.28
4.3.20.0030.0223.26
4.3.10.0020.0163.21
4.3.00.0130.0237.10

preferences:
42.19 ms | 401 KiB | 5 Q