3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(strpos("abc", "")); var_dump(strrpos("abc", ""));

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)
8.3.70.0140.00318.43
8.3.60.0100.00618.30
8.3.50.0100.00921.93
8.3.40.0160.00318.47
8.3.30.0110.00418.44
8.3.20.0080.00018.82
8.3.10.0050.00221.78
8.3.00.0070.00021.01
8.2.190.0100.01018.18
8.2.180.0090.00618.04
8.2.170.0100.00718.74
8.2.160.0130.00022.19
8.2.150.0110.00724.18
8.2.140.0040.00424.66
8.2.130.0080.00826.16
8.2.120.0000.01120.50
8.2.110.0030.00622.25
8.2.100.0080.00317.91
8.2.90.0040.00419.05
8.2.80.0000.00817.97
8.2.70.0030.00517.38
8.2.60.0000.00817.80
8.2.50.0000.00818.07
8.2.40.0000.00820.52
8.2.30.0040.00420.67
8.2.20.0000.00817.41
8.2.10.0070.00018.03
8.2.00.0030.00317.97
8.1.280.0130.00725.92
8.1.270.0060.00323.79
8.1.260.0070.00326.35
8.1.250.0040.00428.09
8.1.240.0110.00022.04
8.1.230.0110.00019.15
8.1.220.0060.00317.74
8.1.210.0030.00518.77
8.1.200.0040.00417.10
8.1.190.0060.00317.10
8.1.180.0000.00818.10
8.1.170.0030.00518.52
8.1.160.0000.00720.62
8.1.150.0090.00018.79
8.1.140.0030.00519.44
8.1.130.0050.00217.49
8.1.120.0040.00417.37
8.1.110.0080.00017.28
8.1.100.0000.00717.21
8.1.90.0070.00317.31
8.1.80.0070.00017.38
8.1.70.0000.00717.39
8.1.60.0030.00617.32
8.1.50.0030.00617.43
8.1.40.0000.00717.27
8.1.30.0000.00817.51
8.1.20.0000.00717.42
8.1.10.0060.00317.33
8.1.00.0000.00917.29
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0030.00318.29
8.0.270.0000.00717.13
8.0.260.0030.00317.10
8.0.250.0030.00716.80
8.0.240.0050.00316.81
8.0.230.0000.00716.70
8.0.220.0000.00816.71
8.0.210.0040.00416.78
8.0.200.0000.00716.68
8.0.190.0040.00416.71
8.0.180.0070.00016.70
8.0.170.0040.00416.74
8.0.160.0000.00716.77
8.0.150.0040.00416.76
8.0.140.0000.00716.58
8.0.130.0030.00613.25
8.0.120.0030.00616.74
8.0.110.0040.00416.77
8.0.100.0000.00716.55
8.0.90.0030.00316.72
8.0.80.0090.00916.70
8.0.70.0050.00216.63
8.0.60.0040.00416.61
8.0.50.0040.00416.56
8.0.30.0110.00916.76
8.0.20.0090.01017.40
8.0.10.0070.00016.79
8.0.00.0130.00916.55
7.4.330.0050.00015.08
7.4.320.0000.00616.45
7.4.300.0000.00716.27
7.4.290.0000.00716.26
7.4.280.0000.00816.45
7.4.270.0060.00016.34
7.4.260.0040.00416.35
7.4.250.0000.00816.33
7.4.240.0000.00716.46
7.4.230.0070.00016.43
7.4.220.0070.01016.30
7.4.210.0130.00616.34
7.4.200.0040.00416.43
7.4.160.0030.01316.46
7.4.150.0150.00317.40
7.4.140.0070.01217.86
7.4.130.0030.01316.47
7.4.120.0090.01116.46
7.4.110.0060.00916.44
7.4.100.0130.00316.52
7.4.90.0030.01316.29
7.4.80.0120.00619.39
7.4.70.0100.00616.36
7.4.60.0140.00716.30
7.4.50.0070.01116.38
7.4.40.0120.00416.44
7.4.30.0150.00016.18
7.4.00.0040.01114.67
7.3.330.0000.00512.94
7.3.320.0000.00513.04
7.3.310.0070.00016.19
7.3.300.0000.00616.22
7.3.290.0030.00316.14
7.3.280.0140.00416.17
7.3.270.0070.01017.40
7.3.260.0100.01016.33
7.3.250.0100.00916.16
7.3.240.0100.00716.22
7.3.230.0060.01616.39
7.3.210.0160.00316.36
7.3.200.0130.00316.14
7.3.190.0000.01616.16
7.3.180.0120.00416.30
7.3.170.0090.00616.19
7.3.160.0100.01016.23
7.3.120.0080.00814.45
7.3.110.0070.01014.45
7.3.100.0060.01014.71
7.3.90.0030.01314.77
7.3.80.0030.01314.98
7.3.70.0070.00414.75
7.3.60.0040.00814.55
7.3.50.0060.00914.43
7.3.40.0000.01214.68
7.3.30.0030.00514.71
7.3.20.0070.00716.33
7.3.10.0030.01016.49
7.3.00.0080.00316.62
7.2.330.0170.00016.25
7.2.320.0190.00416.45
7.2.310.0160.00716.25
7.2.300.0170.01016.14
7.2.290.0090.01316.36
7.2.240.0070.00714.76
7.2.230.0110.00314.98
7.2.220.0130.00314.58
7.2.210.0040.00414.96
7.2.200.0070.01114.85
7.2.190.0120.00014.83
7.2.180.0030.01014.77
7.2.170.0070.00714.98
7.2.160.0030.00514.54
7.2.150.0060.00916.80
7.2.140.0130.00316.50
7.2.130.0100.00316.66
7.2.120.0140.00016.81
7.2.110.0080.00516.59
7.2.100.0040.01216.59
7.2.90.0060.00616.66
7.2.80.0070.00316.78
7.2.70.0030.00916.61
7.2.60.0070.01016.47
7.2.50.0080.00816.82
7.2.40.0070.00416.72
7.2.30.0130.00016.65
7.2.20.0060.00916.68
7.2.10.0040.01516.53
7.2.00.0070.00916.86
7.1.330.0080.00415.39
7.1.320.0070.00715.69
7.1.310.0100.00615.77
7.1.300.0070.00715.66
7.1.290.0040.00815.54
7.1.280.0090.00415.68
7.1.270.0030.01015.62
7.1.260.0030.00815.59
7.1.250.0000.01015.64
7.1.70.0040.00417.03
7.1.60.0160.01019.85
7.1.00.0070.07022.34
7.0.200.0000.00916.71
7.0.60.0170.05719.80
7.0.50.0170.06020.45
7.0.40.0100.06020.30
7.0.30.0100.06320.28
7.0.20.0230.05320.39
7.0.10.0200.05320.42
7.0.00.0230.05020.31
5.6.280.0070.07020.98
5.6.210.0100.06320.60
5.6.200.0200.05721.16
5.6.190.0130.06021.06
5.6.180.0200.05321.21
5.6.170.0130.05321.12
5.6.160.0100.05721.05
5.6.150.0100.07721.05
5.6.140.0100.06021.07
5.6.130.0070.07021.20
5.6.120.0100.06021.02
5.6.110.0230.05721.05
5.6.100.0370.06021.10
5.6.90.0400.06021.08
5.6.80.0370.05720.46
5.6.70.0430.05020.33
5.6.60.0270.05720.32
5.6.50.0300.05320.42
5.6.40.0400.05020.41
5.6.30.0230.05020.41
5.6.20.0130.05720.38
5.6.10.0130.05020.39
5.6.00.0130.05020.50
5.5.350.0230.05320.54
5.5.340.0170.05720.86
5.5.330.0200.05020.82
5.5.320.0200.05020.80
5.5.310.0230.04721.04
5.5.300.0200.05320.95
5.5.290.0230.05320.94
5.5.280.0100.06021.02
5.5.270.0430.04721.03
5.5.260.0370.05720.83
5.5.250.0500.04720.67
5.5.240.0470.05320.21
5.5.230.0300.06320.19
5.5.220.0300.05320.11
5.5.210.0400.04320.22
5.5.200.0370.06020.05
5.5.190.0070.05720.38
5.5.180.0130.06020.09
5.5.160.0130.05020.11
5.5.150.0270.05320.20
5.5.140.0300.07020.21
5.5.130.0300.07020.17
5.5.120.0300.05020.17
5.5.110.0330.05320.05
5.5.100.0230.05720.09
5.5.90.0430.04320.26
5.5.80.0300.06320.07
5.5.70.0300.05320.05
5.5.60.0300.06320.15
5.5.50.0270.06020.02
5.5.40.0330.05019.93
5.5.30.0300.05320.11
5.5.20.0330.05020.09
5.5.10.0370.04320.19
5.5.00.0370.05020.05

preferences:
44.56 ms | 401 KiB | 5 Q