3v4l.org

run code in 300+ PHP versions simultaneously
<?php $reverse = TRUE; $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)
8.3.60.0150.00318.41
8.3.50.0160.00421.98
8.3.40.0070.00718.79
8.3.30.0040.01119.08
8.3.20.0040.00420.33
8.3.10.0040.00421.92
8.3.00.0080.00022.52
8.2.180.0080.00816.63
8.2.170.0120.00322.96
8.2.160.0140.00720.70
8.2.150.0090.00024.18
8.2.140.0050.00224.66
8.2.130.0180.00026.16
8.2.120.0040.00419.13
8.2.110.0050.00521.98
8.2.100.0030.00917.78
8.2.90.0040.00419.28
8.2.80.0000.00817.97
8.2.70.0050.00317.50
8.2.60.0080.00017.80
8.2.50.0040.00418.07
8.2.40.0030.00617.90
8.2.30.0080.00018.06
8.2.20.0070.00017.71
8.2.10.0080.00017.75
8.2.00.0090.00017.81
8.1.280.0070.01125.92
8.1.270.0040.00422.10
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0030.00618.49
8.1.230.0160.00018.81
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0070.00317.22
8.1.190.0040.00417.41
8.1.180.0040.00418.55
8.1.170.0050.00318.34
8.1.160.0040.00421.95
8.1.150.0040.00418.48
8.1.140.0030.00517.38
8.1.130.0000.00717.71
8.1.120.0040.00417.39
8.1.110.0050.00217.40
8.1.100.0070.00017.43
8.1.90.0000.00817.38
8.1.80.0050.00217.24
8.1.70.0030.00317.29
8.1.60.0000.00817.52
8.1.50.0020.00517.35
8.1.40.0000.00817.37
8.1.30.0040.00417.43
8.1.20.0060.00317.58
8.1.10.0040.00417.39
8.1.00.0000.00717.28
8.0.300.0000.00718.77
8.0.290.0000.00717.05
8.0.280.0000.00818.33
8.0.270.0030.00317.07
8.0.260.0080.00016.72
8.0.250.0030.00316.98
8.0.240.0020.00516.89
8.0.230.0000.00716.82
8.0.220.0030.00316.75
8.0.210.0030.00316.79
8.0.200.0000.00716.88
8.0.190.0030.00316.85
8.0.180.0000.00716.93
8.0.170.0000.00916.93
8.0.160.0030.00516.82
8.0.150.0000.00816.85
8.0.140.0050.00316.76
8.0.130.0030.00313.30
8.0.120.0060.00316.86
8.0.110.0040.00416.93
8.0.100.0040.00416.79
8.0.90.0040.00416.85
8.0.80.0100.01016.86
8.0.70.0000.00716.90
8.0.60.0000.00716.78
8.0.50.0050.00216.76
8.0.30.0210.00317.11
8.0.20.0130.00917.40
8.0.10.0040.00316.91
8.0.00.0050.01416.60
7.4.330.0060.00015.15
7.4.320.0060.00016.37
7.4.300.0030.00316.52
7.4.290.0000.00716.39
7.4.280.0070.00016.55
7.4.270.0000.00716.60
7.4.260.0070.00016.47
7.4.250.0040.00416.55
7.4.240.0020.00516.52
7.4.230.0030.00316.61
7.4.220.0090.00816.56
7.4.210.0070.01116.52
7.4.200.0070.00016.65
7.4.190.0030.00516.59
7.4.160.0150.00916.60
7.4.150.0090.00917.40
7.4.140.0120.00617.86
7.4.130.0060.01216.61
7.4.120.0080.01216.50
7.4.110.0130.00316.48
7.4.100.0130.00716.57
7.4.90.0060.01216.45
7.4.80.0180.00419.39
7.4.70.0160.00016.52
7.4.60.0060.01316.45
7.4.50.0000.00916.70
7.4.40.0100.00722.77
7.4.30.0080.00816.58
7.4.00.0040.00714.96
7.3.330.0000.00613.06
7.3.320.0040.00413.15
7.3.310.0040.00416.33
7.3.300.0000.00616.28
7.3.290.0130.00716.26
7.3.280.0080.01316.28
7.3.270.0060.01217.40
7.3.260.0070.01016.46
7.3.250.0120.00616.26
7.3.240.0070.01016.51
7.3.230.0070.01016.39
7.3.210.0060.01016.37
7.3.200.0060.01019.39
7.3.190.0060.00916.21
7.3.180.0090.00816.23
7.3.170.0150.00316.39
7.3.160.0110.01316.20
7.3.120.0080.00814.84
7.2.330.0000.01716.47
7.2.320.0070.01016.55
7.2.310.0180.00316.59
7.2.300.0070.01016.47
7.2.290.0160.00016.53
7.2.60.0070.00716.77
7.2.00.0070.00719.07
7.1.200.0000.01215.95
7.1.100.0070.00317.98
7.1.70.0000.00817.32
7.1.60.0070.01719.82
7.1.50.0140.01117.05
7.1.00.0030.07322.35
7.0.200.0050.00316.53
7.0.140.0130.06322.15
7.0.60.0100.04020.07
7.0.50.0030.05317.88
7.0.40.0070.08020.30
7.0.30.0130.05020.04
7.0.20.0100.05320.00
7.0.10.0100.05720.00
7.0.00.0170.06720.32
5.6.280.0000.07721.02
5.6.210.0070.08320.56
5.6.200.0030.04718.13
5.6.190.0130.04320.57
5.6.180.0270.05720.63
5.6.170.0230.08320.41
5.6.160.0070.07320.46
5.6.150.0030.08718.12
5.6.140.0100.05018.12
5.6.130.0030.08318.18
5.6.120.0030.04721.10
5.6.110.0070.08720.97
5.6.100.0070.06721.00
5.6.90.0070.08321.02
5.6.80.0000.04020.38
5.5.350.0230.06720.49
5.5.340.0030.04017.91
5.5.330.0030.08720.40
5.5.320.0230.04720.32
5.5.310.0370.07320.18
5.5.300.0070.06317.99
5.5.290.0100.03717.99
5.5.280.0330.03320.87
5.5.270.0070.09020.66
5.5.260.0070.05720.88
5.5.250.0130.05320.49
5.5.240.0030.07320.18
5.4.450.0230.04019.57
5.4.440.0530.04319.43
5.4.430.0330.04019.41
5.4.420.0370.05319.56
5.4.410.0330.03719.29
5.4.400.0470.04019.07
5.4.390.0770.03319.25
5.4.380.0370.06018.48
5.4.370.0230.07018.64
5.4.360.0370.06318.71
5.4.350.0330.07018.64
5.4.340.0230.05718.52
5.4.320.0060.03712.45
5.4.310.0060.04012.45
5.4.300.0020.04512.45
5.4.290.0080.04212.45
5.4.280.0050.03712.34
5.4.270.0060.04112.34
5.4.260.0070.07318.88
5.4.250.0030.05718.93
5.4.240.0100.05018.88
5.4.230.0130.05018.77
5.4.220.0170.05018.77
5.4.210.0070.05318.88
5.4.200.0100.05018.99
5.4.190.0070.08018.76
5.4.180.0070.06019.02
5.4.170.0100.05318.69
5.4.160.0170.04018.72
5.4.150.0100.06018.92
5.4.140.0030.07316.45
5.4.130.0130.04316.29
5.4.120.0130.04316.50
5.4.110.0070.05316.34
5.4.100.0130.05716.50
5.4.90.0130.04316.29
5.4.80.0030.05316.50
5.4.70.0100.05016.43
5.4.60.0030.07016.32
5.4.50.0100.05716.47
5.4.40.0230.04716.54
5.4.30.0130.04316.26
5.4.20.0030.05716.22
5.4.10.0070.06016.31
5.4.00.0100.05715.87
5.3.290.0090.04512.80
5.3.280.0070.07014.59
5.3.270.0000.06014.30
5.3.260.0130.04714.30
5.3.250.0000.06014.49
5.3.240.0130.04314.31
5.3.230.0100.05014.61
5.3.220.0170.05714.57
5.3.210.0070.05714.58
5.3.200.0100.06714.59
5.3.190.0030.07714.43
5.3.180.0070.06014.56
5.3.170.0130.04314.71
5.3.160.0100.05714.45
5.3.150.0070.05314.59
5.3.140.0130.06014.34
5.3.130.0070.07714.32
5.3.120.0070.07714.70
5.3.110.0130.07014.32
5.3.100.0000.05314.05
5.3.90.0030.05013.89
5.3.80.0170.06014.03
5.3.70.0100.06314.06
5.3.60.0030.05014.09
5.3.50.0000.05313.99
5.3.40.0100.06713.83
5.3.30.0100.05013.92
5.3.20.0100.04313.39
5.3.10.0070.07713.53
5.3.00.0030.05313.49
5.2.170.0100.03711.14
5.2.160.0130.05011.07
5.2.150.0170.04310.97
5.2.140.0100.05711.24
5.2.130.0070.04311.11
5.2.120.0030.04311.02
5.2.110.0170.04010.98
5.2.100.0000.04311.11
5.2.90.0030.06010.93
5.2.80.0130.04310.85
5.2.70.0100.04711.11
5.2.60.0000.04711.20
5.2.50.0100.05311.02
5.2.40.0030.04710.95
5.2.30.0130.05710.73
5.2.20.0130.03310.79
5.2.10.0030.04310.92
5.2.00.0100.05010.79
5.1.60.0000.0379.95
5.1.50.0000.0379.92
5.1.40.0070.04310.04
5.1.30.0070.03710.41
5.1.20.0070.04710.50
5.1.10.0030.04310.17
5.1.00.0100.03310.26
5.0.50.0070.0238.50
5.0.40.0030.0238.45
5.0.30.0000.0538.36
5.0.20.0070.0338.42
5.0.10.0000.0308.40
5.0.00.0000.0578.34
4.4.90.0000.0277.68
4.4.80.0070.0237.68
4.4.70.0030.0207.68
4.4.60.0000.0277.68
4.4.50.0030.0307.68
4.4.40.0100.0277.68
4.4.30.0030.0277.68
4.4.20.0070.0207.68
4.4.10.0070.0207.68
4.4.00.0000.0477.68
4.3.110.0070.0177.68
4.3.100.0000.0237.68
4.3.90.0000.0207.68
4.3.80.0030.0337.68
4.3.70.0100.0137.68
4.3.60.0030.0207.68
4.3.50.0030.0207.68
4.3.40.0030.0407.68
4.3.30.0030.0277.68
4.3.20.0030.0307.68
4.3.10.0000.0307.68
4.3.00.0330.01713.22

preferences:
50.39 ms | 401 KiB | 5 Q