3v4l.org

run code in 300+ PHP versions simultaneously
<?php $subject = "3rd from last"; preg_match('~(?P<index>([0-9]+))rd|st from (?P<position>(last|end|start|beginning)+)~', $subject, $matches); var_dump($matches);

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)
8.3.60.0080.00816.75
8.3.50.0130.00516.56
8.3.40.0110.00718.79
8.3.30.0070.00718.67
8.3.20.0080.00018.51
8.3.10.0040.00418.91
8.3.00.0040.00419.50
8.2.180.0200.00018.32
8.2.170.0120.00322.96
8.2.160.0060.01018.79
8.2.150.0060.00324.18
8.2.140.0090.00924.66
8.2.130.0040.00426.16
8.2.120.0040.00421.12
8.2.110.0060.00320.99
8.2.100.0160.00317.91
8.2.90.0030.00918.95
8.2.80.0000.00817.97
8.2.70.0060.00317.63
8.2.60.0040.00418.04
8.2.50.0040.00417.90
8.2.40.0030.00619.32
8.2.30.0050.00517.83
8.2.20.0060.00317.56
8.2.10.0060.00317.70
8.2.00.0000.00717.73
8.1.280.0140.00725.92
8.1.270.0080.00023.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.62
8.1.230.0040.00717.58
8.1.220.0000.00917.74
8.1.210.0000.00918.77
8.1.200.0060.00317.48
8.1.190.0030.00517.23
8.1.180.0000.00818.10
8.1.170.0080.00017.62
8.1.160.0070.00018.97
8.1.150.0000.00718.63
8.1.140.0090.00017.47
8.1.130.0030.00317.53
8.1.120.0000.00817.54
8.1.110.0020.00517.52
8.1.100.0050.00217.54
8.1.90.0050.00317.51
8.1.80.0040.00417.56
8.1.70.0000.00717.54
8.1.60.0040.00417.67
8.1.50.0060.00317.55
8.1.40.0000.00917.66
8.1.30.0090.00017.71
8.1.20.0000.00817.75
8.1.10.0040.00417.69
8.1.00.0030.00517.48
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0030.00518.50
8.0.270.0000.00817.12
8.0.260.0000.00716.89
8.0.250.0030.00316.91
8.0.240.0070.00316.97
8.0.230.0040.00417.02
8.0.220.0000.00816.91
8.0.210.0060.00317.01
8.0.200.0030.00316.92
8.0.190.0040.00416.89
8.0.180.0000.00716.92
8.0.170.0030.00517.00
8.0.160.0040.00416.96
8.0.150.0050.00316.93
8.0.140.0030.00616.98
8.0.130.0060.00313.43
8.0.120.0000.00816.91
8.0.110.0000.00716.99
8.0.100.0030.00516.86
8.0.90.0070.00017.01
8.0.80.0090.00916.90
8.0.70.0030.00516.97
8.0.60.0040.00416.99
8.0.50.0040.00417.00
8.0.30.0000.01816.95
8.0.20.0110.00917.14
8.0.10.0050.00316.98
8.0.00.0100.00916.76
7.4.330.0000.00513.16
7.4.320.0070.00016.70
7.4.300.0060.00016.63
7.4.290.0060.00016.75
7.4.280.0050.00316.66
7.4.270.0070.00016.54
7.4.260.0000.00513.45
7.4.250.0000.00816.66
7.4.240.0000.00716.66
7.4.230.0070.00016.55
7.4.220.0130.00616.61
7.4.210.0090.00616.73
7.4.200.0000.00716.63
7.4.190.0000.00816.84
7.4.160.0070.01416.67
7.4.150.0060.01216.61
7.4.140.0140.01017.86
7.4.130.0140.00816.47
7.4.120.0060.01816.63
7.4.110.0090.00916.72
7.4.100.0080.00816.58
7.4.90.0160.00616.68
7.4.80.0150.00319.39
7.4.70.0080.01416.64
7.4.60.0070.01016.65
7.4.50.0000.00616.56
7.4.40.0090.00916.59
7.4.30.0100.00716.59
7.4.00.0040.01214.89
7.3.330.0030.00313.15
7.3.320.0050.00013.10
7.3.310.0000.00716.41
7.3.300.0030.00516.20
7.3.290.0050.01116.24
7.3.280.0060.00916.27
7.3.270.0110.01416.33
7.3.260.0070.01016.58
7.3.240.0060.01116.26
7.3.230.0110.01116.53
7.3.210.0080.01216.55
7.3.200.0130.00616.76
7.3.190.0100.00616.37
7.3.180.0120.00416.20
7.3.170.0070.01516.52
7.3.160.0060.01016.48
7.3.120.0060.00814.54
7.2.330.0090.00916.52
7.2.320.0050.01216.55
7.2.310.0070.01116.65
7.2.300.0130.00316.46
7.2.290.0100.00716.53
7.2.00.0080.01119.24
7.1.100.0030.01018.18
7.1.70.0000.01017.09
7.1.60.0130.01019.25
7.1.50.0130.01017.07
7.1.00.0000.03722.33
7.0.200.0080.00416.86
7.0.140.0130.06322.15
7.0.120.0030.07321.96
7.0.60.0100.07319.96
7.0.50.0100.07717.93
7.0.40.0230.06720.26
7.0.30.0230.08020.11
7.0.20.0170.04020.04
7.0.10.0270.03720.11
7.0.00.0000.04720.18
5.6.210.0170.07020.46
5.6.200.0070.08018.19
5.6.190.0070.09020.32
5.6.180.0470.06720.62
5.6.170.0200.05320.61
5.6.160.0030.08720.32
5.6.150.0170.07318.24
5.6.140.0130.07718.14
5.6.130.0100.07018.21
5.6.120.0000.04321.02
5.6.110.0130.04720.98
5.6.100.0030.09320.86
5.6.90.0030.04721.00
5.6.80.0030.05020.39
5.6.70.3400.02320.39
5.5.350.0230.06320.31
5.5.340.0100.05717.92
5.5.330.0070.09320.14
5.5.320.0230.04320.15
5.5.310.0300.03320.28
5.5.300.0030.08317.92
5.5.290.0070.05018.00
5.5.280.0030.04020.79
5.5.270.0130.07020.93
5.5.260.0170.07320.88
5.5.250.0070.04020.67
5.5.240.0070.07720.16
5.4.450.0100.04319.44
5.4.440.0070.03719.12
5.4.430.0030.03719.43
5.4.420.0030.04019.12
5.4.410.0030.03719.00
5.4.400.0000.04019.09
5.4.390.0070.03319.07
5.4.380.0100.03019.17
5.4.370.0070.03319.07
5.4.360.0030.04719.18
5.4.350.0030.03719.09
5.4.340.0030.03719.14
5.4.320.0030.04019.08
5.4.310.0030.03719.08
5.4.300.0030.06319.04
5.4.290.0070.07718.92
5.4.280.0000.04719.08
5.4.270.0130.07019.17
5.4.260.0070.07019.14
5.4.250.0070.07319.13
5.4.240.0130.07319.08
5.4.230.0100.07018.78
5.4.220.0000.08718.77
5.4.210.0100.05318.78
5.4.200.0100.03718.91
5.4.190.0070.07718.92
5.4.180.0030.07719.07
5.4.170.0100.07719.17
5.4.160.0030.07719.15
5.4.150.0070.07719.15
5.4.140.0100.07016.27
5.4.130.0070.05016.29
5.4.120.0000.04016.16
5.4.110.0070.03716.21
5.4.100.0030.07316.25
5.4.90.0070.07016.41
5.4.80.0030.07716.37
5.4.70.0030.07316.27
5.4.60.0000.04316.20
5.4.50.0130.06716.26
5.4.40.0100.07016.38
5.4.30.0030.07716.57
5.4.20.0030.06716.27
5.4.10.0100.09016.38
5.4.00.0100.04315.78
5.3.290.0030.03714.60
5.3.280.0000.05314.54
5.3.270.0170.02714.48
5.3.260.0070.07714.54
5.3.250.0100.07014.69
5.3.240.0070.06314.53
5.3.230.0070.03714.49
5.3.220.0130.02714.50
5.3.210.0070.03714.49
5.3.200.0070.06714.52
5.3.190.0030.04314.66
5.3.180.0070.03314.38
5.3.170.0100.05314.54
5.3.160.0070.07314.57
5.3.150.0030.07714.34
5.3.140.0070.07714.50
5.3.130.0100.07714.46
5.3.120.0070.07314.46
5.3.110.0030.08014.52
5.3.100.0070.04013.97
5.3.90.0000.04013.84
5.3.80.0100.06313.96
5.3.70.0070.04313.85
5.3.60.0070.07713.93
5.3.50.0070.07313.89
5.3.40.0030.05013.89
5.3.30.0030.06313.74
5.3.20.0030.08013.65
5.3.10.0070.07313.63
5.3.00.0100.05713.45
5.2.170.0070.06311.13
5.2.160.0000.04311.30
5.2.150.0030.03311.22
5.2.140.0130.05710.96
5.2.130.0030.04310.92
5.2.120.0000.03310.98
5.2.110.0030.05011.03
5.2.100.0070.06011.08
5.2.90.0070.05710.95
5.2.80.0100.05710.94
5.2.70.0030.06311.03
5.2.60.0000.05310.92
5.2.50.0000.03710.94
5.2.40.0000.05710.98
5.2.30.0030.03311.05
5.2.20.0070.05710.92
5.2.10.0070.05010.91
5.2.00.0030.05310.86
5.1.60.0000.0339.96
5.1.50.0000.0309.96
5.1.40.0030.0579.95
5.1.30.0000.06310.32
5.1.20.0070.04010.36
5.1.10.0070.0379.91
5.1.00.0030.05010.12
5.0.50.0000.0478.54
5.0.40.0030.0208.40
5.0.30.0030.0308.39
5.0.20.0030.0438.39
5.0.10.0000.0238.39
5.0.00.0000.0478.39
4.4.90.0000.0338.39
4.4.80.0000.0278.39
4.4.70.0070.0278.39
4.4.60.0030.0238.39
4.4.50.0030.0308.39
4.4.40.0000.0308.39
4.4.30.0030.0378.39
4.4.20.0000.0338.39
4.4.10.0070.0208.39
4.4.00.0100.0508.39
4.3.110.0030.0138.39
4.3.100.0000.0408.39
4.3.90.0070.0138.39
4.3.80.0070.0478.39
4.3.70.0030.0338.39
4.3.60.0030.0208.39
4.3.50.0030.0378.39
4.3.40.0100.0238.39
4.3.30.0000.0338.39
4.3.20.0000.0308.39
4.3.10.0000.0278.39
4.3.00.0000.0178.39

preferences:
43 ms | 401 KiB | 5 Q