3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr("2100010000080", 0, 2);

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)
8.3.70.0070.00716.58
8.3.60.0110.00318.21
8.3.50.0040.01121.99
8.3.40.0040.01118.54
8.3.30.0090.00918.96
8.3.20.0040.00420.21
8.3.10.0000.00821.65
8.3.00.0040.00417.78
8.2.180.0110.00716.50
8.2.170.0090.00622.96
8.2.160.0070.00720.29
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0070.00021.08
8.2.110.0030.00622.21
8.2.100.0090.00317.78
8.2.90.0090.00017.63
8.2.80.0080.00317.97
8.2.70.0000.00817.93
8.2.60.0030.00517.94
8.2.50.0000.00818.10
8.2.40.0000.00818.16
8.2.30.0040.00418.18
8.2.20.0000.00717.48
8.2.10.0000.00817.96
8.2.00.0040.00419.28
8.1.280.0040.01125.92
8.1.270.0040.00423.83
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00022.52
8.1.230.0100.00319.04
8.1.220.0080.00017.77
8.1.210.0060.00318.77
8.1.200.0030.00617.22
8.1.190.0030.00617.10
8.1.180.0000.00718.10
8.1.170.0030.00518.57
8.1.160.0000.00821.85
8.1.150.0000.00718.46
8.1.140.0040.00417.32
8.1.130.0000.00717.72
8.1.120.0040.00417.39
8.1.110.0000.00817.27
8.1.100.0070.00017.17
8.1.90.0040.00417.30
8.1.80.0000.00717.33
8.1.70.0030.00317.29
8.1.60.0040.00417.41
8.1.50.0000.00717.39
8.1.40.0030.00517.33
8.1.30.0030.00517.61
8.1.20.0040.00417.54
8.1.10.0000.00817.34
8.1.00.0070.00017.25
8.0.300.0040.00419.35
8.0.290.0040.00416.63
8.0.280.0030.00318.24
8.0.270.0030.00517.18
8.0.260.0040.00417.17
8.0.250.0000.00716.92
8.0.240.0000.00716.75
8.0.230.0000.00716.82
8.0.220.0080.00016.80
8.0.210.0000.00616.75
8.0.200.0000.00616.79
8.0.190.0030.00316.84
8.0.180.0040.00416.80
8.0.170.0040.00416.63
8.0.160.0040.00416.81
8.0.150.0040.00416.65
8.0.140.0040.00416.71
8.0.130.0040.00413.20
8.0.120.0030.00516.75
8.0.110.0000.00716.63
8.0.100.0070.00016.68
8.0.90.0030.00316.75
8.0.80.0110.00416.66
8.0.70.0000.00816.75
8.0.60.0040.00416.63
8.0.50.0040.00416.78
8.0.30.0130.00516.79
8.0.20.0100.01217.40
8.0.10.0000.00716.86
8.0.00.0070.01016.71
7.4.330.0000.00515.00
7.4.320.0000.00616.47
7.4.300.0030.00316.41
7.4.290.0060.00016.34
7.4.280.0080.00016.35
7.4.270.0070.00016.47
7.4.260.0070.00016.48
7.4.250.0000.00716.33
7.4.240.0040.00516.37
7.4.230.0040.00416.27
7.4.220.0190.00716.45
7.4.210.0030.01016.49
7.4.200.0000.00716.19
7.4.160.0150.00616.27
7.4.150.0140.00317.40
7.4.140.0120.00917.86
7.4.130.0100.00716.49
7.4.120.0080.01016.42
7.4.110.0060.01016.32
7.4.100.0070.01016.54
7.4.90.0120.00916.24
7.4.80.0120.00919.39
7.4.70.0080.01016.49
7.4.60.0060.00916.35
7.4.50.0000.00816.18
7.4.40.0130.00316.63
7.4.30.0120.00616.11
7.4.00.0070.00714.71
7.3.330.0000.00612.96
7.3.320.0050.00012.96
7.3.310.0070.00015.99
7.3.300.0030.00316.03
7.3.290.0030.01216.23
7.3.280.0120.00616.12
7.3.270.0170.00717.40
7.3.260.0100.00716.46
7.3.250.0130.00416.19
7.3.240.0060.01316.16
7.3.230.0090.00616.39
7.3.210.0040.01416.08
7.3.200.0100.00719.39
7.3.190.0000.01916.43
7.3.180.0090.00616.27
7.3.170.0060.00916.32
7.3.160.0140.00316.14
7.3.120.0070.01014.57
7.3.110.0070.00714.91
7.3.100.0000.01614.66
7.3.90.0060.00914.36
7.3.80.0090.00614.72
7.3.70.0060.00914.66
7.3.60.0000.01414.52
7.3.50.0030.01014.44
7.3.40.0040.00714.74
7.3.30.0090.00614.68
7.3.20.0060.00616.50
7.3.10.0060.00916.65
7.3.00.0030.01016.58
7.2.330.0070.01016.57
7.2.320.0140.00416.25
7.2.310.0100.01016.32
7.2.300.0110.00416.61
7.2.290.0070.01116.31
7.2.250.0100.01015.09
7.2.240.0100.01014.86
7.2.230.0090.00614.80
7.2.220.0040.00814.98
7.2.210.0070.01114.86
7.2.200.0040.00714.95
7.2.190.0030.01014.74
7.2.180.0040.01114.80
7.2.170.0030.01014.82
7.2.00.0090.00319.25
7.1.330.0090.00415.80
7.1.320.0050.00515.57
7.1.310.0030.00915.56
7.1.300.0030.01015.73
7.1.290.0080.00415.69
7.1.280.0060.00615.66
7.1.270.0030.00615.73
7.1.260.0070.00715.61
7.1.100.0000.01218.03
7.1.70.0040.01116.99
7.1.60.0030.02119.70
7.1.50.0070.01316.62
7.1.00.0100.07022.40
7.0.200.0000.00716.53
7.0.140.0100.06722.22
7.0.60.0070.04019.93
7.0.50.0070.05017.88
7.0.40.0070.04020.41
7.0.30.0230.04720.13
7.0.20.0270.05720.16
7.0.10.0030.07020.30
7.0.00.0070.05320.12
5.6.280.0030.07320.92
5.6.210.0130.07720.56
5.6.200.0100.05318.12
5.6.190.0070.05020.60
5.6.180.0270.07320.49
5.6.170.0370.04020.42
5.6.160.0070.04720.48
5.6.150.0170.07318.18
5.6.140.0000.06318.15
5.6.130.0070.05318.14
5.6.120.0100.06020.89
5.6.110.0100.08020.96
5.6.100.0130.07721.10
5.6.90.0070.03721.09
5.6.80.0100.07720.50
5.6.70.3470.03720.37
5.5.350.0100.06720.32
5.5.340.0000.04017.98
5.5.330.0000.04320.20
5.5.320.0270.06020.28
5.5.310.0400.07720.27
5.5.300.0030.08717.88
5.5.290.0030.08318.01
5.5.280.0030.06320.87
5.5.270.0030.08720.86
5.5.260.0130.04320.86
5.5.250.0100.08020.71
5.5.240.0000.03320.14
5.4.450.0030.06319.54
5.4.440.0730.05719.12
5.4.430.0100.05319.46
5.4.420.0630.00019.42
5.4.410.0330.05318.73
5.4.400.0830.05018.75
5.4.390.1030.04718.70
5.4.380.0270.05018.70
5.4.370.0100.04718.71
5.4.360.0130.03718.73
5.4.350.0050.03711.97
5.4.340.0070.03611.97
5.4.320.0050.03712.45
5.4.310.0060.04412.45
5.4.300.0060.03712.45
5.4.290.0040.04012.45
5.4.280.0060.03712.35
5.4.270.0110.03112.34
5.4.260.0050.04012.35
5.4.250.0080.03512.34
5.4.240.0080.04212.35
5.4.230.0120.03912.34
5.4.220.0080.03412.34
5.4.210.0050.03612.34
5.4.200.0040.04012.34
5.4.190.0050.03612.33
5.4.180.0080.03412.33
5.4.170.0080.03512.34
5.4.160.0100.03312.34
5.4.150.0060.04312.34
5.4.140.0100.04812.02
5.4.130.0050.04612.01
5.4.120.0060.03611.97
5.4.110.0080.03411.96
5.4.100.0070.03511.96
5.4.90.0090.03311.96
5.4.80.0070.03511.96
5.4.70.0060.03611.96
5.4.60.0040.03611.96
5.4.50.0050.03611.96
5.4.40.0060.03511.95
5.4.30.0040.04711.95
5.4.20.0130.04411.95
5.4.10.0140.04211.95
5.4.00.0120.04411.43
5.3.290.0080.03712.80
5.3.280.0070.03712.71
5.3.270.0100.03612.72
5.3.260.0030.04112.72
5.3.250.0070.04312.72
5.3.240.0100.03412.72
5.3.230.0090.03512.71
5.3.220.0060.03712.68
5.3.210.0070.03712.68
5.3.200.0070.03612.68
5.3.190.0060.05112.68
5.3.180.0110.04712.67
5.3.170.0080.05112.66
5.3.160.0110.04112.67
5.3.150.0080.03712.67
5.3.140.0080.03412.66
5.3.130.0060.03912.66
5.3.120.0070.03912.66
5.3.110.0060.03812.66
5.3.100.0050.03912.12
5.3.90.0070.03912.08
5.3.80.0060.03712.07
5.3.70.0060.03712.07
5.3.60.0050.03712.07
5.3.50.0060.03712.00
5.3.40.0080.03612.00
5.3.30.0060.03511.94
5.3.20.0040.03711.72
5.3.10.0070.03411.69
5.3.00.0070.03511.67
5.2.170.0040.0319.18
5.2.160.0020.0319.17
5.2.150.0020.0339.17
5.2.140.0020.0339.17
5.2.130.0060.0289.13
5.2.120.0030.0309.13
5.2.110.0100.0349.14
5.2.100.0030.0309.14
5.2.90.0050.0299.13
5.2.80.0050.0309.13
5.2.70.0050.0309.13
5.2.60.0030.0329.09
5.2.50.0040.0319.05
5.2.40.0080.0269.03
5.2.30.0030.0319.01
5.2.20.0070.0269.00
5.2.10.0050.0288.92
5.2.00.0050.0288.77
5.1.60.0030.0258.06
5.1.50.0040.0278.05
5.1.40.0070.0228.04
5.1.30.0040.0288.39
5.1.20.0050.0338.41
5.1.10.0040.0288.13
5.1.00.0040.0278.13
5.0.50.0040.0226.61
5.0.40.0040.0206.47
5.0.30.0020.0346.29
5.0.20.0070.0336.26
5.0.10.0030.0286.23
5.0.00.0030.0416.22
4.4.90.0050.0204.78
4.4.80.0040.0204.76
4.4.70.0050.0194.76
4.4.60.0020.0314.75
4.4.50.0030.0214.77
4.4.40.0030.0324.71
4.4.30.0030.0214.76
4.4.20.0020.0234.85
4.4.10.0040.0214.85
4.4.00.0010.0284.76
4.3.110.0040.0154.67
4.3.100.0030.0154.66
4.3.90.0050.0134.64
4.3.80.0020.0264.59
4.3.70.0040.0134.63
4.3.60.0040.0134.63
4.3.50.0010.0174.63
4.3.40.0020.0254.54
4.3.30.0030.0153.28
4.3.20.0030.0163.26
4.3.10.0030.0143.21
4.3.00.0100.0136.57

preferences:
39.52 ms | 401 KiB | 5 Q