3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = "0123456789a123456789b123456789c"; //var_dump(strrpos($foo, '7', -5)); // Starts looking backwards five positions // from the end. Result: int(17) //var_dump(strrpos($foo, '7', 20)); // Starts searching 20 positions into the // string. Result: int(27) var_dump(strrpos($foo, '7')); // Result: bool(false) ?>

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)
8.3.60.0140.00316.50
8.3.50.0100.00622.04
8.3.40.0090.00618.40
8.3.30.0100.00318.92
8.3.20.0060.00320.21
8.3.10.0000.00823.73
8.3.00.0030.00619.13
8.2.180.0070.00718.13
8.2.170.0030.01222.96
8.2.160.0100.00320.41
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0040.00422.16
8.2.110.0030.00622.10
8.2.100.0040.00717.72
8.2.90.0030.00619.14
8.2.80.0080.00017.97
8.2.70.0000.00817.50
8.2.60.0040.00418.04
8.2.50.0040.00418.07
8.2.40.0080.00018.09
8.2.30.0000.00818.06
8.2.20.0040.00417.53
8.2.10.0020.00517.87
8.2.00.0000.01017.49
8.1.280.0030.01025.92
8.1.270.0040.00423.87
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0030.00623.83
8.1.230.0070.00419.11
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0000.01017.23
8.1.190.0000.01017.30
8.1.180.0040.00418.10
8.1.170.0040.00418.50
8.1.160.0040.00421.99
8.1.150.0000.00718.49
8.1.140.0030.00617.40
8.1.130.0070.00017.93
8.1.120.0030.00417.46
8.1.110.0040.00417.35
8.1.100.0070.00017.38
8.1.90.0040.00417.32
8.1.80.0000.00717.41
8.1.70.0030.00317.39
8.1.60.0060.00317.47
8.1.50.0040.00417.47
8.1.40.0000.00717.49
8.1.30.0040.00417.39
8.1.20.0000.00717.53
8.1.10.0040.00417.45
8.1.00.0090.00017.43
8.0.300.0040.00418.77
8.0.290.0040.00417.05
8.0.280.0030.00318.34
8.0.270.0000.00717.24
8.0.260.0060.00018.41
8.0.250.0080.00016.89
8.0.240.0030.00316.80
8.0.230.0040.00416.89
8.0.220.0030.00316.75
8.0.210.0050.00316.87
8.0.200.0030.00316.74
8.0.190.0000.00716.85
8.0.180.0040.00416.83
8.0.170.0080.00016.73
8.0.160.0040.00416.80
8.0.150.0070.00016.73
8.0.140.0070.00016.79
8.0.130.0000.00513.26
8.0.120.0040.00416.75
8.0.110.0000.00716.77
8.0.100.0030.00516.82
8.0.90.0040.00416.87
8.0.80.0090.00616.70
8.0.70.0000.00716.74
8.0.60.0070.00016.77
8.0.50.0000.00816.89
8.0.30.0070.01116.88
8.0.20.0080.01117.40
8.0.10.0040.00416.79
8.0.00.0080.00816.76
7.4.330.0000.00615.05
7.4.320.0030.00316.45
7.4.300.0070.00016.34
7.4.290.0030.00716.42
7.4.280.0030.00316.42
7.4.270.0060.00016.54
7.4.260.0070.00016.52
7.4.250.0070.00316.30
7.4.240.0020.00516.39
7.4.230.0030.00316.38
7.4.220.0070.00716.32
7.4.210.0050.00916.51
7.4.200.0080.00016.65
7.4.190.0000.00716.62
7.4.160.0080.00816.39
7.4.150.0110.00717.40
7.4.140.0080.01017.86
7.4.130.0110.00716.43
7.4.120.0100.00716.51
7.4.110.0220.00016.34
7.4.100.0130.01016.38
7.4.90.0120.00616.28
7.4.80.0070.01019.39
7.4.70.0170.00016.49
7.4.60.0060.01216.34
7.4.50.0030.00616.39
7.4.40.0060.00922.77
7.4.30.0150.00016.44
7.4.00.0120.00414.80
7.3.330.0000.00513.08
7.3.320.0030.00312.98
7.3.310.0070.00016.14
7.3.300.0030.00316.13
7.3.290.0120.00916.17
7.3.280.0100.00816.15
7.3.270.0070.01017.40
7.3.260.0130.00416.39
7.3.250.0090.01016.21
7.3.240.0080.00816.18
7.3.230.0180.00316.45
7.3.210.0110.00516.34
7.3.200.0100.01319.39
7.3.190.0140.00716.37
7.3.180.0000.01716.32
7.3.170.0090.00916.27
7.3.160.0080.01016.14
7.3.120.0100.00714.89
7.2.330.0120.00616.27
7.2.320.0110.00816.28
7.2.310.0110.00416.09
7.2.300.0090.00616.43
7.2.290.0090.00916.66
7.2.60.0060.00316.89
7.2.00.0060.00619.36
7.1.200.0060.00315.69
7.1.100.0000.01518.04
7.1.70.0100.00017.14
7.1.60.0070.01719.46
7.1.50.0070.01416.80
7.1.00.0000.08022.33
7.0.200.0070.00714.89
7.0.140.0030.07322.07
7.0.60.0070.08720.05
7.0.50.0030.05317.87
7.0.40.0130.08320.07
7.0.30.0200.05020.04
7.0.20.0200.06720.33
7.0.10.0070.08020.30
7.0.00.0100.08720.29
5.6.280.0000.07720.81
5.6.210.0070.08320.69
5.6.200.0130.04018.08
5.6.190.0170.07320.45
5.6.180.0400.05320.40
5.6.170.0430.07320.41
5.6.160.0070.04320.51
5.6.150.0070.03718.18
5.6.140.0070.08018.21
5.6.130.0030.04718.12
5.6.120.0100.07321.04
5.6.110.0070.07020.97
5.6.100.0130.08021.12
5.6.90.0130.06721.07
5.6.80.0070.05320.36
5.5.350.0400.07020.37
5.5.340.0070.04017.98
5.5.330.0000.04720.43
5.5.320.0200.04320.20
5.5.310.0170.04320.29
5.5.300.0130.07317.98
5.5.290.0130.07717.87
5.5.280.0030.04320.68
5.5.270.0170.07320.63
5.5.260.0130.05020.96
5.5.250.0070.04020.57
5.5.240.0330.06720.25
5.4.450.0700.05019.57
5.4.440.0130.05719.61
5.4.430.0830.05319.26
5.4.420.0130.07019.49
5.4.410.0100.05019.40
5.4.400.0070.05319.23
5.4.390.0200.04319.00
5.4.380.0370.08018.74
5.4.370.0670.05018.52
5.4.360.0370.05018.61
5.4.350.0370.05318.49
5.4.340.0330.06318.49
5.4.320.0080.03912.46
5.4.310.0050.03912.45
5.4.300.0070.03412.45
5.4.290.0360.10012.43
5.4.280.0120.04812.33
5.4.270.0230.08812.33
5.4.260.0150.06912.33
5.4.250.0120.07812.33
5.4.240.0120.05212.33
5.4.230.0090.06312.32
5.4.220.0040.05612.32
5.4.210.0090.04412.32
5.4.200.0110.05512.32
5.4.190.0090.04112.32
5.4.180.0060.04312.32
5.4.170.0100.04212.33
5.4.160.0130.07312.32
5.4.150.0090.05212.32
5.4.140.0070.04512.01
5.4.130.0090.03412.00
5.4.120.0050.03911.95
5.4.110.0090.03511.95
5.4.100.0070.03711.95
5.4.90.0110.03611.95
5.4.80.0090.04611.95
5.4.70.0070.03911.95
5.4.60.0040.03811.95
5.4.50.0160.03911.95
5.4.40.0090.03411.93
5.4.30.0070.03611.93
5.4.20.0080.03411.93
5.4.10.0030.03911.93
5.4.00.0110.03111.42
5.3.290.0070.04112.80
5.3.280.0070.03812.70
5.3.270.0110.03612.73
5.3.260.0130.04212.72
5.3.250.0090.05012.72
5.3.240.0140.04512.72
5.3.230.0090.05012.70
5.3.220.0110.05512.68
5.3.210.0090.05912.68
5.3.200.0110.05612.68
5.3.190.0090.04212.68
5.3.180.0110.04112.67
5.3.170.0110.03612.67
5.3.160.0110.04112.68
5.3.150.0090.04112.67
5.3.140.0100.04012.66
5.3.130.0090.04612.66
5.3.120.0140.04612.66
5.3.110.0050.05312.65
5.3.100.0080.03812.12
5.3.90.0050.05412.09
5.3.80.0100.03612.07
5.3.70.0090.03712.07
5.3.60.0110.04712.06
5.3.50.0110.03712.00
5.3.40.0090.04812.00
5.3.30.0040.04211.94
5.3.20.0070.03911.71
5.3.10.0080.03411.69
5.3.00.0050.03911.68
5.2.170.0060.0339.18
5.2.160.0060.0319.18
5.2.150.0080.0369.18
5.2.140.0070.0319.18
5.2.130.0060.0299.14
5.2.120.0110.0359.13
5.2.110.0070.0369.14
5.2.100.0050.0369.13
5.2.90.0060.0339.13
5.2.80.0070.0339.13
5.2.70.0060.0299.13
5.2.60.0060.0349.08
5.2.50.0080.0299.05
5.2.40.0020.0379.03
5.2.30.0070.0419.01
5.2.20.0050.0329.00
5.2.10.0050.0408.91
5.2.00.0080.0408.78
5.1.60.0100.0368.06
5.1.50.0060.0268.06
5.1.40.0040.0308.04
5.1.30.0040.0308.39
5.1.20.0060.0308.41
5.1.10.0070.0258.13
5.1.00.0080.0268.13
5.0.50.0060.0206.61
5.0.40.0040.0206.47
5.0.30.0040.0316.28
5.0.20.0070.0186.25
5.0.10.0080.0216.23
5.0.00.0040.0316.23
4.4.90.0050.0214.78
4.4.80.0050.0134.75
4.4.70.0050.0144.75
4.4.60.0030.0154.75
4.4.50.0020.0164.77
4.4.40.0070.0244.71
4.4.30.0040.0154.76
4.4.20.0030.0164.85
4.4.10.0040.0154.85
4.4.00.0040.0254.76
4.3.110.0030.0164.67
4.3.100.0050.0164.66
4.3.90.0030.0154.64
4.3.80.0010.0294.58
4.3.70.0040.0154.63
4.3.60.0050.0154.63
4.3.50.0030.0164.63
4.3.40.0040.0314.53
4.3.30.0030.0153.27
4.3.20.0000.0183.25
4.3.10.0030.0173.22
4.3.00.0100.0207.16

preferences:
43.78 ms | 401 KiB | 5 Q