3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = "abc abc abc"; var_dump(strrpos($foo, 'abc', 7)); var_dump(strrpos($foo, 'abc', -7));

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)
8.3.60.0070.00718.43
8.3.50.0250.00721.14
8.3.40.0150.00618.58
8.3.30.0130.00320.29
8.3.20.0050.00320.36
8.3.10.0030.00621.00
8.3.00.0000.01021.91
8.2.180.0130.00616.50
8.2.170.0060.00922.96
8.2.160.0100.00320.43
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0000.00726.16
8.2.120.0080.00021.12
8.2.110.0050.00521.05
8.2.100.0040.00817.91
8.2.90.0000.00819.17
8.2.80.0030.00617.97
8.2.70.0090.00017.63
8.2.60.0080.00017.55
8.2.50.0000.00818.07
8.2.40.0000.00818.03
8.2.30.0000.00819.31
8.2.20.0000.00717.56
8.2.10.0060.00317.68
8.2.00.0040.00417.52
8.1.280.0140.00825.92
8.1.270.0030.00623.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.57
8.1.230.0000.01117.52
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0050.00317.23
8.1.180.0050.00318.10
8.1.170.0000.00718.61
8.1.160.0030.00318.74
8.1.150.0000.00718.57
8.1.140.0040.00417.36
8.1.130.0030.00317.82
8.1.120.0040.00417.41
8.1.110.0040.00417.44
8.1.100.0000.00717.28
8.1.90.0040.00417.39
8.1.80.0070.00017.42
8.1.70.0030.00317.34
8.1.60.0030.00617.41
8.1.50.0040.00417.48
8.1.40.0040.00417.42
8.1.30.0000.00817.56
8.1.20.0030.00517.65
8.1.10.0000.00817.41
8.1.00.0040.00417.27
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0030.00318.38
8.0.270.0080.00017.14
8.0.260.0050.00316.67
8.0.250.0030.00316.76
8.0.240.0000.00916.92
8.0.230.0040.00416.89
8.0.220.0070.00016.76
8.0.210.0070.00016.81
8.0.200.0000.00616.77
8.0.190.0030.00316.78
8.0.180.0000.00716.86
8.0.170.0070.00016.89
8.0.160.0030.00516.82
8.0.150.0040.00416.64
8.0.140.0000.00716.70
8.0.130.0000.00513.30
8.0.120.0050.00216.78
8.0.110.0040.00416.73
8.0.100.0070.00016.89
8.0.90.0000.00716.73
8.0.80.0110.01016.82
8.0.70.0050.00216.65
8.0.60.0080.00016.63
8.0.50.0000.00716.76
8.0.30.0090.00916.76
8.0.20.0100.01117.40
8.0.10.0040.00416.92
8.0.00.0080.01116.73
7.4.330.0000.00516.66
7.4.320.0030.00316.54
7.4.300.0070.00016.46
7.4.290.0040.00416.50
7.4.280.0070.00016.57
7.4.270.0000.00716.39
7.4.260.0040.00413.17
7.4.250.0040.00416.50
7.4.240.0030.00316.50
7.4.230.0040.00416.33
7.4.220.0060.01116.54
7.4.210.0050.01016.44
7.4.200.0000.00716.45
7.4.190.0040.00416.48
7.4.160.0120.00316.24
7.4.150.0030.01417.40
7.4.140.0100.00817.86
7.4.130.0050.01216.38
7.4.120.0080.01016.48
7.4.110.0100.00616.51
7.4.100.0100.00716.33
7.4.90.0130.01316.33
7.4.80.0070.01019.39
7.4.70.0110.01116.38
7.4.60.0160.00316.36
7.4.50.0000.00816.32
7.4.40.0030.00922.77
7.4.30.0030.01316.43
7.4.00.0030.01014.91
7.3.330.0060.00012.99
7.3.320.0030.00313.13
7.3.310.0000.00715.97
7.3.300.0070.00016.14
7.3.290.0080.00816.17
7.3.280.0070.00916.14
7.3.270.0140.00317.40
7.3.260.0110.00918.24
7.3.250.0090.00816.21
7.3.240.0090.01216.19
7.3.230.0060.01216.39
7.3.210.0070.01016.18
7.3.200.0130.00719.39
7.3.190.0130.01016.23
7.3.180.0110.00816.30
7.3.170.0060.01016.39
7.3.160.0120.00916.24
7.3.120.0050.00814.65
7.3.10.0030.01216.71
7.3.00.0070.00716.27
7.2.330.0090.00916.31
7.2.320.0060.01416.36
7.2.310.0100.01016.34
7.2.300.0100.00616.27
7.2.290.0060.01016.40
7.2.130.0000.01616.59
7.2.120.0030.01316.69
7.2.110.0000.01416.62
7.2.100.0090.00616.84
7.2.90.0110.00416.55
7.2.80.0170.00016.75
7.2.70.0100.00716.65
7.2.60.0100.00716.73
7.2.50.0080.00616.60
7.2.40.0060.00616.81
7.2.30.0120.00316.53
7.2.20.0030.01416.76
7.2.10.0060.00316.73
7.2.00.0090.00517.95
7.1.250.0050.00515.53
7.1.200.0140.00015.46
7.1.100.0040.01117.94
7.1.70.0000.00717.18
7.1.60.0040.00717.15
7.1.50.0130.00916.65
7.1.00.0030.03322.36
7.0.200.0000.00716.65
7.0.140.0000.07322.09
7.0.100.0100.07019.96
7.0.90.0270.06719.85
7.0.80.0000.07719.88
7.0.70.0170.07020.11
7.0.60.0270.04719.94
7.0.50.0130.08320.30
7.0.40.0100.08320.14
7.0.30.0100.07720.11
7.0.20.0130.08019.96
7.0.10.0230.07020.14
7.0.00.0070.08319.97
5.6.280.0030.07321.02
5.6.250.0100.04320.59
5.6.240.0100.06720.60
5.6.230.0200.07020.49
5.6.220.0130.07020.55
5.6.210.0030.06320.74
5.6.200.0070.07321.03
5.6.190.0000.07720.93
5.6.180.0030.05021.05
5.6.170.0030.08321.08
5.6.160.0130.08021.00
5.6.150.0000.08721.16
5.6.140.0200.06721.00
5.6.130.0000.06320.96
5.6.120.0100.07321.00
5.6.110.0100.04321.03
5.6.100.0200.07320.88
5.6.90.0130.08021.07
5.6.80.0000.06720.41
5.6.70.0100.07720.38
5.6.60.0000.05020.30
5.6.50.0070.07720.30
5.6.40.0070.04320.43
5.6.30.0100.05020.28
5.6.20.0030.08320.51
5.6.10.0070.08020.38
5.6.00.0130.04320.35
5.5.380.0100.07320.50
5.5.370.0100.04720.53
5.5.360.0100.08320.38
5.5.350.0100.08020.41
5.5.340.0100.04020.88
5.5.330.0030.05020.77
5.5.320.0270.06020.88
5.5.310.0070.05720.82
5.5.300.0130.07720.91
5.5.290.0130.07320.61
5.5.280.0130.08020.86
5.5.270.0070.08020.84
5.5.260.0100.08020.76
5.5.250.0130.07020.45
5.5.240.0030.04720.30
5.5.230.0030.07320.20
5.5.220.0070.08020.20
5.5.210.0100.06020.27
5.5.200.0030.08320.27
5.5.190.0100.04020.07
5.5.180.0130.06720.17
5.5.160.0070.07020.19
5.5.150.0100.05319.98
5.5.140.0000.04720.20
5.5.130.0070.04320.23
5.5.120.0100.07720.17
5.5.110.0100.07720.11
5.5.100.0000.08020.07
5.5.90.0170.07020.09
5.5.80.0130.07320.10
5.5.70.0030.07720.13
5.5.60.0070.08019.99
5.5.50.0100.07719.93
5.5.40.0070.06020.13
5.5.30.0100.05319.92
5.5.20.0070.06720.07
5.5.10.0030.07719.98
5.5.00.0130.07719.96
5.4.450.0170.03719.36
5.4.440.0130.04019.29
5.4.430.0100.08019.36
5.4.420.0030.08319.31
5.4.410.0070.06319.16
5.4.400.0070.06719.05
5.4.390.0130.05318.83
5.4.380.0100.09019.12
5.4.370.0100.07319.06
5.4.360.0070.04719.12
5.4.350.0070.04018.95
5.4.340.0100.04318.78
5.4.320.0100.04319.06
5.4.310.0030.07018.79
5.4.300.0100.06019.16
5.4.290.0030.08318.96
5.4.280.0170.07719.12
5.4.270.0000.05018.78
5.4.260.0070.07319.13
5.4.250.0100.08318.80
5.4.240.0030.08319.04
5.4.230.0030.05319.05
5.4.220.0000.06319.02
5.4.210.0070.06019.24
5.4.200.0070.07318.97
5.4.190.0100.06318.97
5.4.180.0100.07719.05
5.4.170.0170.07019.06
5.4.160.0100.07719.00
5.4.150.0100.07719.00
5.4.140.0070.07316.22
5.4.130.0100.07016.23
5.4.120.0170.06016.06
5.4.110.0070.05316.34
5.4.100.0070.07316.42
5.4.90.0070.07016.41
5.4.80.0130.04716.34
5.4.70.0030.07316.34
5.4.60.0130.07016.32
5.4.50.0170.05716.23
5.4.40.0030.07316.29
5.4.30.0070.07716.30
5.4.20.0100.07016.20
5.4.10.0030.06716.41
5.4.00.0000.04315.66
5.3.290.0100.05014.60
5.3.280.0070.04314.44
5.3.270.0070.07714.51
5.3.260.0130.07314.61
5.3.250.0070.06014.46
5.3.240.0130.07314.59
5.3.230.0070.07314.45
5.3.220.0030.08014.42
5.3.210.0200.06714.57
5.3.200.0030.07714.55
5.3.190.0100.07314.55
5.3.180.0070.07014.38
5.3.170.0070.07014.51
5.3.160.0170.05014.57
5.3.150.0070.07314.52
5.3.140.0100.06014.48
5.3.130.0070.04714.55
5.3.120.0070.07714.54
5.3.110.0170.06314.50
5.3.100.0070.07313.89
5.3.90.0130.04013.98
5.3.80.0100.06014.02
5.3.70.0100.07713.99
5.3.60.0130.05013.94
5.3.50.0100.07013.71
5.3.40.0100.07713.93
5.3.30.0070.06713.77
5.3.20.0030.07313.46
5.3.10.0070.07313.64
5.3.00.0030.07713.61
5.2.170.0200.04310.93
5.2.160.0030.06311.00
5.2.150.0070.05010.97
5.2.140.0070.04310.97
5.2.130.0070.05711.02
5.2.120.0030.06311.16
5.2.110.0070.06011.13
5.2.100.0000.06311.12
5.2.90.0000.06711.16
5.2.80.0030.06010.92
5.2.70.0130.05311.13
5.2.60.0000.05711.11
5.2.50.0100.06011.08
5.2.40.0170.04710.86
5.2.30.0030.06310.99
5.2.20.0070.03010.79
5.2.10.0000.03010.91
5.2.00.0130.05010.74
5.1.60.0030.04010.02
5.1.50.0070.0509.98
5.1.40.0000.0439.85
5.1.30.0000.06010.39
5.1.20.0030.04310.40
5.1.10.0100.05310.06
5.1.00.0100.03310.10
5.0.50.0100.0378.93
5.0.40.0070.0378.93
5.0.30.0030.0638.93
5.0.20.0070.0438.93
5.0.10.0170.0338.93
5.0.00.0030.0638.93
4.4.90.0130.0278.93
4.4.80.0030.0338.93
4.4.70.0100.0308.93
4.4.60.0000.0378.93
4.4.50.0030.0338.93
4.4.40.0070.0208.93
4.4.30.0130.0238.93
4.4.20.0030.0338.93
4.4.10.0000.0308.93
4.4.00.0030.0408.93
4.3.110.0000.0378.93
4.3.100.0000.0278.93
4.3.90.0000.0408.93
4.3.80.0000.0338.93
4.3.70.0000.0408.93
4.3.60.0130.0238.93
4.3.50.0030.0338.93
4.3.40.0030.0478.93
4.3.30.0030.0338.93
4.3.20.0000.0338.93
4.3.10.0000.0408.93
4.3.00.0130.0238.93

preferences:
41.87 ms | 400 KiB | 5 Q