3v4l.org

run code in 300+ PHP versions simultaneously
<?php $word = 'something'; echo strpos($word, -1); // g? echo strpos($word, 1); // s?

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)
8.3.60.0060.00918.52
8.3.50.0040.01121.98
8.3.40.0140.00318.79
8.3.30.0100.00318.92
8.3.20.0060.00320.22
8.3.10.0040.00421.82
8.3.00.0040.00419.56
8.2.180.0090.00618.00
8.2.170.0030.01022.96
8.2.160.0040.01120.32
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00420.96
8.2.110.0090.00019.24
8.2.100.0060.00617.74
8.2.90.0030.00619.05
8.2.80.0060.00317.97
8.2.70.0000.00817.50
8.2.60.0050.00317.80
8.2.50.0000.00818.10
8.2.40.0040.00420.25
8.2.30.0080.00019.24
8.2.20.0000.00717.55
8.2.10.0000.00818.08
8.2.00.0040.00417.52
8.1.280.0070.00725.92
8.1.270.0060.00323.93
8.1.260.0070.00026.35
8.1.250.0060.00328.09
8.1.240.0070.00323.92
8.1.230.0090.00417.54
8.1.220.0000.00817.79
8.1.210.0040.00418.77
8.1.200.0060.00317.11
8.1.190.0000.00817.00
8.1.180.0030.00618.10
8.1.170.0050.00318.62
8.1.160.0060.00318.81
8.1.150.0000.00720.16
8.1.140.0040.00417.42
8.1.130.0040.00417.81
8.1.120.0000.00917.41
8.1.110.0000.00817.38
8.1.100.0000.00717.39
8.1.90.0030.00617.40
8.1.80.0030.00517.43
8.1.70.0030.00317.38
8.1.60.0030.00517.51
8.1.50.0050.00317.46
8.1.40.0060.00317.45
8.1.30.0000.00817.67
8.1.20.0000.00717.49
8.1.10.0040.00417.54
8.1.00.0020.00517.36
8.0.300.0000.00718.77
8.0.290.0000.00816.88
8.0.280.0000.00718.44
8.0.270.0000.00717.16
8.0.260.0030.00317.15
8.0.250.0070.00016.86
8.0.240.0080.00016.93
8.0.230.0040.00416.88
8.0.220.0000.00716.86
8.0.210.0000.00916.82
8.0.200.0030.00616.87
8.0.190.0040.00416.92
8.0.180.0030.00316.86
8.0.170.0000.00816.77
8.0.160.0050.00216.88
8.0.150.0080.00516.66
8.0.140.0040.00416.68
8.0.130.0080.00013.25
8.0.120.0000.00816.84
8.0.110.0040.00416.66
8.0.100.0000.00816.83
8.0.90.0080.00016.66
8.0.80.0040.01116.85
8.0.70.0000.00716.63
8.0.60.0040.00416.71
8.0.50.0040.00416.80
8.0.30.0120.00616.97
8.0.20.0140.00517.40
8.0.10.0000.00716.87
8.0.00.0100.00716.89
7.4.330.0000.00515.00
7.4.320.0000.00616.43
7.4.300.0000.00716.53
7.4.290.0030.00316.51
7.4.280.0000.00716.56
7.4.270.0040.00416.52
7.4.260.0000.00716.50
7.4.250.0000.00716.48
7.4.240.0050.00216.49
7.4.230.0000.00716.33
7.4.220.0090.00616.39
7.4.210.0100.00316.55
7.4.200.0000.00816.63
7.4.160.0040.01216.42
7.4.150.0160.00617.40
7.4.140.0090.00717.86
7.4.130.0080.00816.52
7.4.120.0160.00316.35
7.4.110.0100.00716.53
7.4.100.0170.00016.44
7.4.90.0060.01116.51
7.4.80.0070.01119.39
7.4.70.0100.00616.52
7.4.60.0120.00616.48
7.4.50.0030.00316.46
7.4.40.0170.00016.50
7.4.30.0110.00516.55
7.4.00.0060.00914.99
7.3.330.0030.00313.03
7.3.320.0050.00013.08
7.3.310.0070.00016.27
7.3.300.0000.00716.22
7.3.290.0070.01016.17
7.3.280.0110.00816.19
7.3.270.0130.00317.40
7.3.260.0110.00816.25
7.3.250.0070.00916.35
7.3.240.0060.01316.57
7.3.230.0050.01116.39
7.3.210.0060.01516.39
7.3.200.0080.00819.39
7.3.190.0100.00716.27
7.3.180.0040.01216.25
7.3.170.0030.01216.46
7.3.160.0060.01616.25
7.3.120.0080.00914.83
7.3.110.0070.01014.92
7.3.100.0030.01214.91
7.3.90.0030.00814.92
7.3.80.0070.00714.73
7.3.70.0030.01014.71
7.3.60.0040.01114.55
7.3.50.0100.00614.61
7.3.40.0070.00314.79
7.3.30.0060.00614.57
7.3.20.0030.00716.70
7.3.10.0000.01716.59
7.3.00.0060.00616.53
7.2.330.0070.01016.33
7.2.320.0030.01716.58
7.2.310.0030.01316.27
7.2.300.0040.01316.25
7.2.290.0060.01016.53
7.2.250.0140.00714.92
7.2.240.0030.01314.86
7.2.230.0120.00315.05
7.2.220.0080.00614.83
7.2.210.0030.01214.82
7.2.200.0060.01015.04
7.2.190.0100.00715.10
7.2.180.0090.00614.71
7.2.170.0080.00814.61
7.2.00.0080.00619.21
7.1.330.0060.01015.45
7.1.320.0090.00415.50
7.1.310.0160.00015.75
7.1.300.0060.00615.75
7.1.290.0030.01515.77
7.1.280.0110.00415.61
7.1.270.0060.00615.73
7.1.260.0030.00615.86
7.1.100.0000.01117.94
7.1.70.0000.00717.09
7.1.60.0060.01319.11
7.1.50.0060.01516.66
7.1.00.0000.08022.40
7.0.200.0000.00816.78
7.0.140.0130.06321.93
7.0.60.0100.07719.91
7.0.50.0100.06717.84
7.0.40.0100.08720.12
7.0.30.0530.07020.17
7.0.20.0270.07320.15
7.0.10.0030.09020.30
7.0.00.0000.04720.16
5.6.280.0030.07021.09
5.6.210.0100.07320.68
5.6.200.0070.04018.09
5.6.190.0170.08020.77
5.6.180.3170.04020.48
5.6.170.0270.06020.38
5.6.160.0130.03720.50
5.6.150.0100.05718.08
5.6.140.0130.07318.22
5.6.130.0100.07018.18
5.6.120.0000.04720.97
5.6.110.0100.08720.98
5.6.100.0070.06021.12
5.6.90.0130.08020.96
5.6.80.0070.03720.37
5.5.350.3930.04720.34
5.5.340.0100.05717.96
5.5.330.0100.08320.19
5.5.320.0430.07320.28
5.5.310.0330.07320.23
5.5.300.0000.06318.02
5.5.290.0000.04318.02
5.5.280.0100.04320.85
5.5.270.0200.04020.75
5.5.260.0170.06720.91
5.5.250.0030.05320.68
5.5.240.0300.07020.05
5.4.450.0030.04019.55
5.4.440.1670.03319.57
5.4.430.0970.04719.57
5.4.420.1070.05319.10
5.4.410.1230.05319.26
5.4.400.1230.05019.09
5.4.390.1730.04019.24
5.4.380.0430.04718.72
5.4.370.0230.06718.70
5.4.360.0070.06318.74
5.4.350.0170.06318.68
5.4.340.0400.05718.46
5.4.320.0090.03912.45
5.4.310.0070.03912.45
5.4.300.0070.03612.45
5.4.290.0110.03612.45
5.4.280.0080.03312.34
5.4.270.0070.04312.35
5.4.260.0070.04112.35
5.4.250.0060.03812.34
5.4.240.0040.03812.35
5.4.230.0060.03912.34
5.4.220.0060.03712.34
5.4.210.0090.03512.34
5.4.200.0060.04212.34
5.4.190.0050.05312.34
5.4.180.0080.05012.33
5.4.170.0100.03712.35
5.4.160.0090.03312.34
5.4.150.0070.03512.34
5.4.140.0060.03612.02
5.4.130.0070.03412.01
5.4.120.0030.03811.97
5.4.110.0080.03311.96
5.4.100.0090.03211.96
5.4.90.0060.03711.96
5.4.80.0030.03911.96
5.4.70.0040.03611.96
5.4.60.0100.03111.96
5.4.50.0070.03611.96
5.4.40.0060.03511.95
5.4.30.0050.03611.95
5.4.20.0080.03211.95
5.4.10.0080.03211.95
5.4.00.0080.03311.43
5.3.290.0070.04112.80
5.3.280.0050.03812.71
5.3.270.0030.04112.72
5.3.260.0070.04412.72
5.3.250.0070.03812.72
5.3.240.0120.03312.72
5.3.230.0060.03912.71
5.3.220.0070.03612.68
5.3.210.0070.03712.68
5.3.200.0010.04112.68
5.3.190.0040.03912.68
5.3.180.0080.03412.67
5.3.170.0070.03512.67
5.3.160.0080.03412.68
5.3.150.0040.03912.67
5.3.140.0070.03612.66
5.3.130.0070.03812.66
5.3.120.0060.03912.66
5.3.110.0070.03912.66
5.3.100.0090.03412.12
5.3.90.0030.04012.09
5.3.80.0020.04012.08
5.3.70.0080.03712.07
5.3.60.0090.03312.06
5.3.50.0080.03412.00
5.3.40.0060.03612.00
5.3.30.0050.04511.94
5.3.20.0070.03411.71
5.3.10.0030.03911.69
5.3.00.0070.03611.67
5.2.170.0050.0309.18
5.2.160.0040.0299.18
5.2.150.0020.0369.18
5.2.140.0060.0319.18
5.2.130.0080.0269.13
5.2.120.0050.0299.14
5.2.110.0050.0299.14
5.2.100.0090.0259.14
5.2.90.0050.0289.13
5.2.80.0040.0309.13
5.2.70.0070.0289.13
5.2.60.0080.0279.08
5.2.50.0080.0279.05
5.2.40.0070.0269.03
5.2.30.0070.0269.00
5.2.20.0050.0299.00
5.2.10.0040.0288.92
5.2.00.0060.0288.77
5.1.60.0050.0228.06
5.1.50.0040.0258.05
5.1.40.0050.0238.04
5.1.30.0030.0348.39
5.1.20.0070.0238.41
5.1.10.0040.0268.13
5.1.00.0030.0278.14
5.0.50.0030.0256.61
5.0.40.0020.0216.47
5.0.30.0010.0346.29
5.0.20.0030.0206.25
5.0.10.0050.0186.23
5.0.00.0040.0296.23
4.4.90.0020.0184.78
4.4.80.0050.0134.76
4.4.70.0050.0134.75
4.4.60.0020.0164.75
4.4.50.0030.0144.77
4.4.40.0040.0234.71
4.4.30.0020.0164.76
4.4.20.0030.0154.84
4.4.10.0030.0154.85
4.4.00.0010.0274.76
4.3.110.0030.0154.67
4.3.100.0040.0144.67
4.3.90.0040.0144.63
4.3.80.0030.0244.58
4.3.70.0040.0134.63
4.3.60.0020.0154.63
4.3.50.0030.0154.62
4.3.40.0040.0234.53
4.3.30.0020.0163.27
4.3.20.0020.0163.25
4.3.10.0020.0163.21
4.3.00.0400.02715.25

preferences:
38.68 ms | 401 KiB | 5 Q