3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(substr_compare("abcde", "BC", 1, 2, true));

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)
8.3.40.0090.00618.58
8.3.30.0070.00719.04
8.3.20.0050.00320.20
8.3.10.0090.00620.23
8.3.00.0080.00019.25
8.2.170.0040.01122.96
8.2.160.0040.01120.43
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00422.09
8.2.110.0000.01021.06
8.2.100.0090.00319.52
8.2.90.0000.00819.07
8.2.80.0000.00817.97
8.2.70.0030.00617.38
8.2.60.0030.00617.80
8.2.50.0030.00618.10
8.2.40.0040.00420.52
8.2.30.0040.00417.94
8.2.20.0000.00717.47
8.2.10.0000.00717.80
8.2.00.0000.00917.54
8.1.270.0090.00023.77
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00622.07
8.1.230.0060.00619.23
8.1.220.0060.00317.74
8.1.210.0050.00518.77
8.1.200.0060.00317.10
8.1.190.0000.00817.11
8.1.180.0090.00018.10
8.1.170.0030.00618.58
8.1.160.0000.00721.94
8.1.150.0040.00418.78
8.1.140.0030.00617.36
8.1.130.0000.00717.76
8.1.120.0000.00717.23
8.1.110.0030.00517.37
8.1.100.0020.00517.31
8.1.90.0040.00417.32
8.1.80.0050.00217.28
8.1.70.0030.00317.21
8.1.60.0030.00517.49
8.1.50.0040.00417.27
8.1.40.0050.00217.20
8.1.30.0000.00817.44
8.1.20.0040.00417.51
8.1.10.0070.00017.38
8.1.00.0040.00417.36
8.0.300.0070.00018.77
8.0.290.0080.00316.63
8.0.280.0040.00418.23
8.0.270.0000.00717.09
8.0.260.0000.00717.17
8.0.250.0000.00716.75
8.0.240.0060.00016.82
8.0.230.0000.00816.82
8.0.220.0000.00716.65
8.0.210.0000.00616.80
8.0.200.0030.00316.71
8.0.190.0070.00316.80
8.0.180.0000.00816.73
8.0.170.0050.00316.81
8.0.160.0040.00416.65
8.0.150.0030.00316.63
8.0.140.0030.00616.60
8.0.130.0060.00013.17
8.0.120.0080.00016.77
8.0.110.0000.00716.58
8.0.100.0040.00416.79
8.0.90.0000.00716.68
8.0.80.0040.01116.67
8.0.70.0000.00716.64
8.0.60.0000.00816.63
8.0.50.0070.00016.76
8.0.30.0110.01016.75
8.0.20.0170.00317.40
8.0.10.0080.00016.94
8.0.00.0110.00916.57
7.4.330.0060.00015.00
7.4.320.0030.00316.45
7.4.300.0040.00416.36
7.4.290.0030.00316.45
7.4.280.0000.00716.38
7.4.270.0030.00316.33
7.4.260.0070.00016.45
7.4.250.0030.00516.34
7.4.240.0020.00616.37
7.4.230.0040.00416.36
7.4.220.0100.01016.54
7.4.210.0030.01316.36
7.4.200.0040.00416.27
7.4.160.0070.01016.32
7.4.150.0140.00317.40
7.4.140.0070.01317.86
7.4.130.0060.01216.33
7.4.120.0120.00516.26
7.4.110.0060.01016.25
7.4.100.0090.00616.36
7.4.90.0140.00716.43
7.4.80.0060.01219.39
7.4.70.0100.01116.21
7.4.60.0130.00616.31
7.4.50.0030.00616.30
7.4.40.0070.01416.39
7.4.30.0090.01216.51
7.4.10.0050.01214.59
7.4.00.0030.01414.92
7.3.330.0000.00512.86
7.3.320.0000.00512.83
7.3.310.0060.00016.05
7.3.300.0040.00416.14
7.3.290.0100.00516.02
7.3.280.0110.00716.18
7.3.270.0160.00917.40
7.3.260.0090.00916.29
7.3.250.0210.01016.21
7.3.240.0120.00416.20
7.3.230.0100.00716.39
7.3.210.0100.00716.37
7.3.200.0070.01519.39
7.3.190.0080.00816.23
7.3.180.0120.00416.47
7.3.170.0110.01116.27
7.3.160.0080.01216.23
7.3.130.0070.00814.68
7.3.120.0070.01014.69
7.3.110.0080.00914.66
7.3.100.0090.00814.83
7.3.90.0060.00714.69
7.3.80.0060.00514.63
7.3.70.0040.01014.45
7.3.60.0050.00614.50
7.3.50.0060.00714.63
7.3.40.0070.00514.48
7.3.30.0050.00814.50
7.3.20.0060.00616.40
7.3.10.0050.00816.55
7.3.00.0040.00716.51
7.2.330.0100.00716.23
7.2.320.0140.00416.19
7.2.310.0090.00616.41
7.2.300.0120.00816.46
7.2.290.0080.01416.53
7.2.260.0070.00814.68
7.2.250.0040.01114.91
7.2.240.0070.00814.75
7.2.230.0050.01114.80
7.2.220.0060.01214.94
7.2.210.0050.00914.75
7.2.200.0080.00714.94
7.2.190.0080.00414.72
7.2.180.0090.00414.92
7.2.170.0040.00614.64
7.2.160.0060.00614.88
7.2.150.0090.00416.81
7.2.140.0080.00516.65
7.2.130.0050.00916.59
7.2.120.0040.01016.54
7.2.110.0090.00516.65
7.2.100.0070.00616.71
7.2.90.0070.00816.72
7.2.80.0040.01216.74
7.2.70.0010.01116.65
7.2.60.0070.00616.73
7.2.50.0040.00616.81
7.2.40.0060.00716.79
7.2.30.0070.00516.74
7.2.20.0030.01116.67
7.2.10.0040.01316.68
7.2.00.0040.00917.22
7.1.330.0060.00815.56
7.1.320.0100.00515.54
7.1.310.0050.00815.72
7.1.300.0050.00815.47
7.1.290.0030.00815.68
7.1.280.0100.00315.61
7.1.270.0080.00515.57
7.1.260.0070.00615.66
7.1.250.0070.00415.72
7.1.240.0030.00915.71
7.1.230.0050.00515.54
7.1.220.0090.00215.63
7.1.210.0050.00515.71
7.1.200.0050.00715.58
7.1.190.0070.00715.57
7.1.180.0090.00315.59
7.1.170.0060.00815.64
7.1.160.0080.00415.68
7.1.150.0080.00515.63
7.1.140.0040.01015.76
7.1.130.0070.00915.76
7.1.120.0020.00815.73
7.1.110.0070.00815.46
7.1.100.0040.00916.55
7.1.90.0070.01015.49
7.1.80.0080.00315.54
7.1.70.0050.00716.04
7.1.60.0060.00716.95
7.1.50.0020.01116.15
7.1.40.0030.01115.63
7.1.30.0000.01315.63
7.1.20.0060.00815.67
7.1.10.0070.00915.63
7.1.00.0040.03017.81
7.0.330.0050.00815.32
7.0.320.0050.00815.09
7.0.310.0120.00315.09
7.0.300.0040.01115.10
7.0.290.0020.01115.14
7.0.280.0050.00815.05
7.0.270.0050.01115.32
7.0.260.0070.00715.09
7.0.250.0020.01215.15
7.0.240.0080.00415.33
7.0.230.0020.01215.32
7.0.220.0050.00915.15
7.0.210.0050.00715.22
7.0.200.0040.00815.68
7.0.190.0100.00415.27
7.0.180.0080.00715.30
7.0.170.0060.00715.25
7.0.160.0020.01315.32
7.0.150.0020.00915.16
7.0.140.0050.03017.42
7.0.130.0060.00615.25
7.0.120.0030.00815.30
7.0.110.0060.00615.19
7.0.100.0070.00415.32
7.0.90.0070.00515.27
7.0.80.0110.00315.19
7.0.70.0040.00715.27
7.0.60.0050.03016.76
7.0.50.0040.03316.13
7.0.40.0060.02915.62
7.0.30.0190.03315.55
7.0.20.0080.02215.54
7.0.10.0070.03115.54
7.0.00.0080.01915.56
5.6.400.0030.01014.07
5.6.390.0060.00814.48
5.6.380.0060.00514.26
5.6.370.0030.01014.04
5.6.360.0040.00814.13
5.6.350.0060.00614.14
5.6.340.0080.00613.97
5.6.330.0020.01013.96
5.6.320.0070.00714.20
5.6.310.0050.00814.25
5.6.300.0050.00814.00
5.6.290.0070.00614.32
5.6.280.0030.03116.43
5.6.270.0030.00814.04
5.6.260.0050.00914.28
5.6.250.0040.00914.08
5.6.240.0090.00514.04
5.6.230.0050.01114.12
5.6.220.0080.00514.26
5.6.210.0070.02416.42
5.6.200.0020.02115.45
5.6.190.0090.03016.19
5.6.180.0200.02916.19
5.6.170.0060.02216.10
5.6.160.0100.03116.20
5.6.150.0050.02215.32
5.6.140.0040.02715.42
5.6.130.0100.02815.47
5.6.120.0060.03416.22
5.6.110.0030.03716.53
5.6.100.0110.03016.33
5.6.90.0030.03516.35
5.6.80.0060.02816.17
5.6.70.0040.01114.07
5.6.60.0040.00713.95
5.6.50.0020.00913.91
5.6.40.0030.00914.03
5.6.30.0050.00613.93
5.6.20.0020.00914.07
5.6.10.0050.00714.02
5.6.00.0050.00613.90
5.5.380.0060.00513.91
5.5.370.0050.00814.03
5.5.360.0070.00713.89
5.5.350.0120.03016.03
5.5.340.0040.02815.15
5.5.330.0040.03316.25
5.5.320.0160.03315.99
5.5.310.0100.02215.91
5.5.300.0060.03015.43
5.5.290.0090.01515.29
5.5.280.0100.02916.27
5.5.270.0070.02416.29
5.5.260.0070.02516.27
5.5.250.0030.01916.21
5.5.240.0080.02916.08
5.5.230.0050.01113.90
5.5.220.0060.01013.99
5.5.210.0080.00313.95
5.5.200.0060.00714.02
5.5.190.0040.00913.82
5.5.180.0020.01114.03
5.5.170.0100.00513.95
5.5.160.0070.00313.98
5.5.150.0050.00813.96
5.5.140.0030.00613.88
5.5.130.0090.00313.81
5.5.120.0050.00813.73
5.5.110.0050.00513.86
5.5.100.0040.00713.94
5.5.90.0060.00813.97
5.5.80.0040.01113.73
5.5.70.0060.01014.00
5.5.60.0080.00513.94
5.5.50.0070.00813.67
5.5.40.0030.00713.80
5.5.30.0050.00914.09
5.5.20.0060.00613.85
5.5.10.0080.00413.84
5.5.00.0060.00513.72
5.4.450.0090.02213.87
5.4.440.0360.02413.79
5.4.430.0380.01913.78
5.4.420.0240.00313.90
5.4.410.0240.00313.66
5.4.400.0250.00113.67
5.4.390.0260.00313.70
5.4.380.0230.00513.60
5.4.370.0240.00613.62
5.4.360.0270.00513.65
5.4.350.0230.00413.66
5.4.340.0240.00413.70
5.4.330.0010.00810.95
5.4.320.0050.01411.47
5.4.310.0040.01711.47
5.4.300.0050.01511.46
5.4.290.0040.01811.47
5.4.280.0050.01611.41
5.4.270.0050.01611.39
5.4.260.0050.01811.48
5.4.250.0060.01811.39
5.4.240.0030.01811.44
5.4.230.0060.01611.42
5.4.220.0050.01811.33
5.4.210.0080.01311.43
5.4.200.0030.01811.36
5.4.190.0040.01811.47
5.4.180.0030.01811.41
5.4.170.0040.02011.45
5.4.160.0050.01611.51
5.4.150.0030.01611.42
5.4.140.0070.01511.28
5.4.130.0080.01311.33
5.4.120.0030.01811.26
5.4.110.0010.02111.23
5.4.100.0040.01911.30
5.4.90.0070.01611.26
5.4.80.0080.01411.33
5.4.70.0070.01411.28
5.4.60.0040.01711.34
5.4.50.0030.01711.29
5.4.40.0040.01411.28
5.4.30.0040.01611.33
5.4.20.0060.01411.22
5.4.10.0070.01911.23
5.4.00.0060.01411.20
5.3.290.0050.04112.80
5.3.280.0050.03912.71
5.3.270.0080.03912.72
5.3.260.0030.04212.72
5.3.250.0060.03712.72
5.3.240.0050.03812.72
5.3.230.0070.03712.71
5.3.220.0050.04212.68
5.3.210.0060.04112.68
5.3.200.0050.03812.68
5.3.190.0060.03812.68
5.3.180.0030.04012.67
5.3.170.0070.03712.67
5.3.160.0090.03812.68
5.3.150.0090.03412.67
5.3.140.0050.03612.66
5.3.130.0070.03712.66
5.3.120.0050.03812.66
5.3.110.0050.03912.66
5.3.100.0070.03512.12
5.3.90.0050.03812.08
5.3.80.0030.03912.07
5.3.70.0040.03812.08
5.3.60.0070.03412.06
5.3.50.0060.03612.00
5.3.40.0050.03812.00
5.3.30.0070.03411.94
5.3.20.0050.03511.72
5.3.10.0030.04011.69
5.3.00.0090.03611.67
5.2.170.0060.0299.18
5.2.160.0070.0279.18
5.2.150.0040.0329.18
5.2.140.0050.0359.17
5.2.130.0050.0339.13
5.2.120.0080.0299.14
5.2.110.0050.0299.14
5.2.100.0060.0279.13
5.2.90.0050.0289.14
5.2.80.0040.0349.13
5.2.70.0060.0299.13
5.2.60.0060.0369.09
5.2.50.0060.0319.05
5.2.40.0020.0399.03
5.2.30.0040.0299.00
5.2.20.0040.0288.99
5.2.10.0020.0318.91
5.2.00.0040.0318.77
5.1.60.0050.0238.06
5.1.50.0000.0288.05
5.1.40.0040.0248.04
5.1.30.0030.0268.39
5.1.20.0020.0288.41
5.1.10.0060.0248.14
5.1.00.0030.0268.14
5.0.50.0040.0206.61
5.0.40.0060.0226.47
5.0.30.0040.0326.28
5.0.20.0040.0186.26
5.0.10.0030.0206.23
5.0.00.0060.0316.23
4.4.90.0010.0174.78
4.4.80.0010.0174.75
4.4.70.0030.0154.76
4.4.60.0000.0184.75
4.4.50.0030.0234.77
4.4.40.0030.0254.71
4.4.30.0030.0154.76
4.4.20.0020.0164.84
4.4.10.0020.0164.85
4.4.00.0010.0274.76
4.3.110.0030.0154.67
4.3.100.0030.0144.67
4.3.90.0020.0144.63
4.3.80.0020.0244.58
4.3.70.0030.0134.63
4.3.60.0060.0154.63
4.3.50.0010.0184.62
4.3.40.0040.0234.54
4.3.30.0010.0173.28
4.3.20.0010.0173.25
4.3.10.0010.0173.21
4.3.00.0170.01716.50

preferences:
31.27 ms | 400 KiB | 5 Q