3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'test/ezifh'; $f = $reverse ? 'strrpos' : 'strpos'; if (($pos = $f($str, $separator)) !== FALSE) { $str = substr($str, $pos + 1); } var_dump($str);

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)
8.3.60.0070.01118.55
8.3.50.0120.00721.93
8.3.40.0070.00718.84
8.3.30.0070.00719.17
8.3.20.0040.00420.07
8.3.10.0040.00421.95
8.3.00.0080.00022.30
8.2.180.0060.01316.63
8.2.170.0040.01122.96
8.2.160.0070.01520.98
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0060.01326.16
8.2.120.0050.00319.23
8.2.110.0030.00621.06
8.2.100.0050.00819.45
8.2.90.0050.00219.23
8.2.80.0050.00317.97
8.2.70.0030.00617.38
8.2.60.0040.00417.80
8.2.50.0060.00318.07
8.2.40.0030.00618.22
8.2.30.0050.00217.90
8.2.20.0000.00717.66
8.2.10.0000.00717.75
8.2.00.0000.00917.73
8.1.280.0160.00725.92
8.1.270.0030.00522.05
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00620.79
8.1.230.0130.00319.02
8.1.220.0090.00017.74
8.1.210.0000.00818.77
8.1.200.0000.00917.00
8.1.190.0050.00317.53
8.1.180.0050.00218.65
8.1.170.0050.00318.58
8.1.160.0040.00421.89
8.1.150.0040.00418.52
8.1.140.0000.00817.45
8.1.130.0030.00317.85
8.1.120.0040.00417.45
8.1.110.0000.00717.40
8.1.100.0070.00017.35
8.1.90.0000.00717.43
8.1.80.0040.00417.32
8.1.70.0070.00017.32
8.1.60.0040.00417.40
8.1.50.0000.00717.43
8.1.40.0000.00717.35
8.1.30.0040.00417.46
8.1.20.0000.00917.63
8.1.10.0000.00717.55
8.1.00.0040.00417.33
8.0.300.0070.00018.77
8.0.290.0050.00217.18
8.0.280.0000.00718.34
8.0.270.0070.00017.15
8.0.260.0030.00316.81
8.0.250.0000.00816.97
8.0.240.0000.00716.88
8.0.230.0000.00716.86
8.0.220.0080.00016.79
8.0.210.0000.00816.90
8.0.200.0070.00016.86
8.0.190.0000.00716.93
8.0.180.0000.00716.78
8.0.170.0050.00316.93
8.0.160.0040.00416.71
8.0.150.0000.00716.82
8.0.140.0070.00016.87
8.0.130.0030.00313.43
8.0.120.0030.00516.73
8.0.110.0040.00416.84
8.0.100.0030.00516.88
8.0.90.0040.00416.74
8.0.80.0140.00416.77
8.0.70.0040.00416.67
8.0.60.0070.00016.70
8.0.50.0040.00416.86
8.0.30.0110.01517.01
8.0.20.0140.00817.40
8.0.10.0070.00016.97
8.0.00.0120.00616.71
7.4.330.0050.00015.11
7.4.320.0030.00316.57
7.4.300.0030.00316.52
7.4.290.0030.00316.48
7.4.280.0000.00616.59
7.4.270.0030.00316.57
7.4.260.0040.00416.47
7.4.250.0040.00416.49
7.4.240.0040.00316.60
7.4.230.0040.00416.50
7.4.220.0100.00716.53
7.4.210.0040.01116.46
7.4.200.0000.00716.68
7.4.190.0000.00716.59
7.4.160.0030.02116.33
7.4.150.0070.01717.40
7.4.140.0110.00917.86
7.4.130.0070.01216.49
7.4.120.0110.00616.56
7.4.110.0090.00916.44
7.4.100.0130.01016.38
7.4.90.0120.00916.37
7.4.80.0030.01419.39
7.4.70.0080.01116.33
7.4.60.0130.01016.35
7.4.50.0000.00916.36
7.4.40.0080.00422.77
7.4.30.0080.00816.44
7.4.00.0030.01415.03
7.3.330.0030.00313.24
7.3.320.0000.00613.06
7.3.310.0040.00416.26
7.3.300.0070.00016.29
7.3.290.0060.01216.23
7.3.280.0070.01016.27
7.3.270.0080.00817.40
7.3.260.0060.01116.27
7.3.250.0150.00616.47
7.3.240.0060.01016.29
7.3.230.0110.00516.51
7.3.210.0030.01416.40
7.3.200.0150.00419.39
7.3.190.0100.00716.33
7.3.180.0030.01316.33
7.3.170.0060.01216.44
7.3.160.0060.01016.25
7.3.120.0030.01314.48
7.3.10.0090.01016.16
7.3.00.0060.00616.14
7.2.330.0070.01016.74
7.2.320.0000.02216.56
7.2.310.0100.01016.62
7.2.300.0170.00016.42
7.2.290.0110.00516.55
7.2.130.0040.01116.81
7.2.120.0070.01016.75
7.2.110.0130.00616.60
7.2.100.0150.00416.89
7.2.90.0070.00416.64
7.2.80.0040.00816.77
7.2.70.0100.00016.68
7.2.60.0090.00816.81
7.2.50.0200.00516.79
7.2.40.0150.01816.79
7.2.30.0080.00816.82
7.2.20.0130.00316.56
7.2.10.0040.01216.64
7.2.00.0020.01118.13
7.1.250.0090.00915.74
7.1.200.0040.00715.67
7.1.100.0110.00818.33
7.1.70.0070.00017.29
7.1.60.0100.01319.82
7.1.50.0070.01716.96
7.1.00.0070.07022.43
7.0.200.0050.00316.34
7.0.140.0000.08022.08
7.0.60.0030.06320.07
7.0.50.0070.07017.86
7.0.40.0000.08720.02
7.0.30.0270.04020.34
7.0.20.0270.08020.13
7.0.10.0300.06020.11
7.0.00.0100.07320.19
5.6.280.0030.07021.09
5.6.210.0100.06720.69
5.6.200.0000.06318.22
5.6.190.0070.08020.39
5.6.180.3770.04320.43
5.6.170.0270.08020.38
5.6.160.0030.04720.44
5.6.150.0030.04318.11
5.6.140.0000.04018.14
5.6.130.0130.06718.10
5.6.120.0030.07021.09
5.6.110.0100.06721.13
5.6.100.0070.08720.93
5.6.90.0130.07721.07
5.6.80.0100.06320.36
5.6.70.0230.03720.41
5.5.350.0000.08720.32
5.5.340.0030.07717.91
5.5.330.0030.07020.21
5.5.320.0230.05020.30
5.5.310.0200.06020.41
5.5.300.0100.07717.89
5.5.290.0070.03717.96
5.5.280.0030.04020.77
5.5.270.0070.07020.76
5.5.260.0070.07020.88
5.5.250.0000.04320.59
5.5.240.0070.03720.18
5.4.450.0500.06319.49
5.4.440.0430.06019.58
5.4.430.0030.06319.48
5.4.420.0070.05719.53
5.4.410.0270.04319.34
5.4.400.0870.00018.63
5.4.390.1070.00018.55
5.4.380.0200.05718.49
5.4.370.0930.05718.73
5.4.360.1070.05318.72
5.4.350.0700.06018.50
5.4.340.0930.06018.72
5.4.320.0050.03712.45
5.4.310.0050.04112.45
5.4.300.0070.04612.45
5.4.290.0060.04212.45
5.4.280.0070.04012.35
5.4.270.0060.03712.34
5.4.260.0170.04018.65
5.4.250.0100.05019.03
5.4.240.0170.05318.87
5.4.230.0100.05719.02
5.4.220.0070.07718.89
5.4.210.0130.05018.77
5.4.200.0100.07318.64
5.4.190.0070.05318.87
5.4.180.0070.06718.87
5.4.170.0130.06318.70
5.4.160.0200.04019.02
5.4.150.0070.07318.63
5.4.140.0030.06016.51
5.4.130.0000.05716.28
5.4.120.0070.05716.45
5.4.110.0070.07716.35
5.4.100.0030.05316.40
5.4.90.0030.07016.41
5.4.80.0100.05316.22
5.4.70.0070.05316.40
5.4.60.0030.05016.42
5.4.50.0130.04016.31
5.4.40.0030.06016.45
5.4.30.0100.04316.46
5.4.20.0030.05316.37
5.4.10.0100.04716.46
5.4.00.0100.05015.67
5.3.290.0070.03612.80
5.3.280.0130.05314.60
5.3.270.0030.08014.61
5.3.260.0100.05314.62
5.3.250.0100.07714.62
5.3.240.0030.05714.62
5.3.230.0100.06014.51
5.3.220.0130.04014.71
5.3.210.0130.06314.59
5.3.200.0070.05314.58
5.3.190.0030.06314.43
5.3.180.0100.04714.26
5.3.170.0130.04714.33
5.3.160.0070.05314.50
5.3.150.0000.06014.58
5.3.140.0030.05314.27
5.3.130.0030.05714.43
5.3.120.0030.06714.25
5.3.110.0100.04714.58
5.3.100.0030.07714.13
5.3.90.0200.05714.10
5.3.80.0130.06014.04
5.3.70.0070.05014.02
5.3.60.0000.05313.77
5.3.50.0030.05013.95
5.3.40.0100.05313.80
5.3.30.0100.04713.68
5.3.20.0070.06013.70
5.3.10.0000.05713.69
5.3.00.0070.07313.69
5.2.170.0030.04311.16
5.2.160.0070.06011.04
5.2.150.0030.06011.16
5.2.140.0070.05711.14
5.2.130.0070.05311.16
5.2.120.0100.03311.10
5.2.110.0030.05711.11
5.2.100.0100.05711.04
5.2.90.0000.04311.12
5.2.80.0030.04711.08
5.2.70.0030.06310.92
5.2.60.0070.04310.98
5.2.50.0070.04011.02
5.2.40.0070.03710.89
5.2.30.0030.05710.89
5.2.20.0130.04711.11
5.2.10.0030.04011.02
5.2.00.0070.05710.87
5.1.60.0030.0509.76
5.1.50.0030.03710.18
5.1.40.0070.0309.91
5.1.30.0070.05010.41
5.1.20.0070.03310.57
5.1.10.0030.0509.98
5.1.00.0000.05010.01
5.0.50.0070.0238.43
5.0.40.0000.0308.44
5.0.30.0000.0478.13
5.0.20.0000.0338.11
5.0.10.0070.0278.14
5.0.00.0030.0408.24
4.4.90.0000.0277.68
4.4.80.0070.0277.68
4.4.70.0030.0237.68
4.4.60.0000.0207.68
4.4.50.0100.0137.68
4.4.40.0000.0407.68
4.4.30.0000.0307.68
4.4.20.0030.0207.68
4.4.10.0000.0337.68
4.4.00.0000.0377.68
4.3.110.0030.0207.68
4.3.100.0030.0207.68
4.3.90.0000.0207.68
4.3.80.0000.0337.68
4.3.70.0030.0277.68
4.3.60.0070.0277.68
4.3.50.0000.0237.68
4.3.40.0070.0277.68
4.3.30.0000.0237.68
4.3.20.0000.0277.68
4.3.10.0000.0307.68
4.3.00.0070.0277.80

preferences:
39.74 ms | 401 KiB | 5 Q