3v4l.org

run code in 300+ PHP versions simultaneously
<?php $subject = "3rd from last"; preg_match('~^(?Pindex[0-9]+)st|nd|rd|th from (?P<position>last|end|start|beginning)$~', $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)
8.3.40.0080.00818.85
8.3.30.0140.00018.43
8.3.20.0080.00018.52
8.3.10.0060.00318.73
8.3.00.0060.00319.00
8.2.170.0040.01122.96
8.2.160.0080.00818.79
8.2.150.0000.00924.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00020.89
8.2.110.0090.00022.08
8.2.100.0120.00019.44
8.2.90.0040.00417.63
8.2.80.0040.00418.61
8.2.70.0050.00517.63
8.2.60.0040.00417.93
8.2.50.0040.00417.80
8.2.40.0040.00419.13
8.2.30.0040.00417.61
8.2.20.0070.00417.62
8.2.10.0040.00417.66
8.2.00.0050.00217.57
8.1.270.0000.00723.99
8.1.260.0050.00326.35
8.1.250.0060.00328.09
8.1.240.0100.00020.48
8.1.230.0040.00717.70
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0000.00917.10
8.1.180.0040.00418.10
8.1.170.0000.00717.62
8.1.160.0000.00719.04
8.1.150.0040.00418.68
8.1.140.0000.01017.30
8.1.130.0040.00417.29
8.1.120.0000.00717.41
8.1.110.0020.00517.27
8.1.100.0040.00417.31
8.1.90.0050.00317.39
8.1.80.0040.00317.41
8.1.70.0000.00717.26
8.1.60.0000.00717.39
8.1.50.0030.00517.38
8.1.40.0000.00917.42
8.1.30.0040.00417.59
8.1.20.0000.00817.41
8.1.10.0080.00017.38
8.1.00.0000.00817.33
8.0.300.0040.00418.77
8.0.290.0080.00016.75
8.0.280.0070.00018.57
8.0.270.0070.00017.07
8.0.260.0000.00616.75
8.0.250.0070.00016.95
8.0.240.0100.00016.86
8.0.230.0000.00716.88
8.0.220.0070.00016.91
8.0.210.0030.00516.87
8.0.200.0000.00716.90
8.0.190.0080.00016.96
8.0.180.0000.00716.86
8.0.170.0070.00416.81
8.0.160.0070.00016.89
8.0.150.0040.00416.72
8.0.140.0000.01316.83
8.0.130.0000.00513.24
8.0.120.0040.00716.84
8.0.110.0040.00416.89
8.0.100.0050.00316.71
8.0.90.0000.00716.84
8.0.80.0070.01416.95
8.0.70.0040.00416.90
8.0.60.0000.00816.73
8.0.50.0000.00816.85
8.0.30.0100.00616.95
8.0.20.0080.01117.01
8.0.10.0040.00416.82
8.0.00.0100.00916.65
7.4.330.0060.00012.93
7.4.320.0060.00016.57
7.4.300.0030.00316.59
7.4.290.0050.00316.48
7.4.280.0040.00416.50
7.4.270.0030.00316.45
7.4.260.0020.00213.20
7.4.250.0040.00416.50
7.4.240.0040.00416.37
7.4.230.0030.00316.29
7.4.220.0040.01216.43
7.4.210.0100.01016.56
7.4.200.0000.00716.34
7.4.190.0050.00316.39
7.4.160.0080.00816.45
7.4.150.0100.00716.33
7.4.140.0100.01017.86
7.4.130.0100.01016.44
7.4.120.0060.01016.33
7.4.110.0100.00716.48
7.4.100.0160.00616.52
7.4.90.0100.00716.36
7.4.80.0060.01619.39
7.4.70.0170.01016.53
7.4.60.0070.01016.47
7.4.50.0030.00316.36
7.4.40.0070.01116.42
7.4.30.0040.01416.35
7.4.00.0070.01014.77
7.3.330.0030.00313.15
7.3.320.0000.00613.16
7.3.310.0040.00416.30
7.3.300.0060.00316.25
7.3.290.0090.00916.27
7.3.280.0070.00716.29
7.3.270.0160.00016.62
7.3.260.0070.01016.24
7.3.240.0130.00416.60
7.3.230.0030.01316.21
7.3.210.0090.01416.27
7.3.200.0090.00616.34
7.3.190.0080.00816.50
7.3.180.0000.01816.58
7.3.170.0090.01316.19
7.3.160.0100.00716.25
7.3.120.0070.00714.68
7.2.330.0110.00516.42
7.2.320.0100.00616.47
7.2.310.0070.01616.21
7.2.300.0100.00716.45
7.2.290.0070.01016.62
7.2.60.0060.01016.75
7.2.00.0000.01219.47
7.1.200.0210.00015.71
7.1.100.0110.01117.89
7.1.70.0000.01517.02
7.1.60.0170.00719.25
7.1.50.0030.01416.95
7.1.00.0030.03322.45
7.0.200.0060.00616.77
7.0.140.0070.07021.92
7.0.120.0030.07322.19
7.0.60.0100.06319.80
7.0.50.0030.04017.80
7.0.40.0100.03317.77
7.0.30.0070.03717.76
7.0.20.0030.04017.64
7.0.10.0100.03317.75
7.0.00.0000.05017.73
5.6.210.0070.06320.55
5.6.200.0070.04018.22
5.6.190.0030.04018.22
5.6.180.0100.03718.18
5.6.170.0170.02718.15
5.6.160.0030.04318.09
5.6.150.0070.03718.12
5.6.140.0030.03718.14
5.6.130.0030.04318.21
5.6.120.0000.04718.11
5.6.110.0070.08318.21
5.6.100.0030.04018.20
5.6.90.0030.06018.20
5.6.80.0070.07017.57
5.6.70.0070.06317.47
5.6.60.0000.04017.54
5.6.50.0030.07017.59
5.6.40.0030.04017.46
5.6.30.0100.07317.45
5.6.20.0130.03317.47
5.6.10.0000.05017.53
5.6.00.0070.04717.49
5.5.350.0130.04720.37
5.5.340.0030.04017.91
5.5.330.0100.03317.99
5.5.320.0070.04317.99
5.5.310.0000.04317.97
5.5.300.0070.04017.95
5.5.290.0070.03718.00
5.5.280.0030.04017.91
5.5.270.0070.08017.86
5.5.260.0130.07717.91
5.5.250.0100.03317.73
5.5.240.0030.06017.37
5.5.230.0070.03717.39
5.5.220.0070.04017.39
5.5.210.0200.06317.30
5.5.200.0030.05317.26
5.5.190.0130.07717.36
5.5.180.0130.07017.32
5.5.160.0070.08017.36
5.5.150.0070.07717.23
5.5.140.0000.07717.33
5.5.130.0070.07717.33
5.5.120.0030.07317.26
5.5.110.0070.06317.33
5.5.100.0170.06317.23
5.5.90.0100.06017.16
5.5.80.0100.04017.27
5.5.70.0030.04717.24
5.5.60.0070.04317.25
5.5.50.0170.04717.19
5.5.40.0100.04317.22
5.5.30.0070.08017.11
5.5.20.0100.07717.22
5.5.10.0070.05717.24
5.5.00.0030.08017.19
5.4.450.0070.04019.36
5.4.440.0030.07019.36
5.4.430.0170.07019.30
5.4.420.0000.04719.43
5.4.410.0070.04019.31
5.4.400.0100.07718.82
5.4.390.0030.05719.11
5.4.380.0030.03719.04
5.4.370.0170.06319.03
5.4.360.0130.06019.08
5.4.350.0070.05319.08
5.4.340.0100.07318.98
5.4.320.0070.06718.89
5.4.310.0070.04719.11
5.4.300.0130.07318.84
5.4.290.0070.06719.02
5.4.280.0100.07318.98
5.4.270.0100.07318.96
5.4.260.0030.07318.98
5.4.250.0070.07719.02
5.4.240.0070.04718.98
5.4.230.0070.03719.11
5.4.220.0100.07719.20
5.4.210.0100.07718.88
5.4.200.0030.05319.06
5.4.190.0100.04018.88
5.4.180.0030.07718.98
5.4.170.0170.06319.00
5.4.160.0070.08319.02
5.4.150.0070.07718.96
5.4.140.0070.05716.25
5.4.130.0000.06316.29
5.4.120.0070.05316.30
5.4.110.0100.04316.36
5.4.100.0030.07316.36
5.4.90.0100.07016.32
5.4.80.0230.05716.27
5.4.70.0130.06716.37
5.4.60.0100.06316.41
5.4.50.0100.05716.29
5.4.40.0070.05716.30
5.4.30.0070.07016.14
5.4.20.0100.05016.32
5.4.10.0070.04316.25
5.4.00.0030.04715.62
5.3.290.0100.04314.59
5.3.280.0100.07714.54
5.3.270.0030.05714.60
5.3.260.0130.07014.57
5.3.250.0070.07714.55
5.3.240.0130.07014.54
5.3.230.0100.06014.67
5.3.220.0030.08014.52
5.3.210.0030.05014.42
5.3.200.0000.07714.55
5.3.190.0070.07714.64
5.3.180.0030.07014.48
5.3.170.0170.06314.39
5.3.160.0130.07014.55
5.3.150.0070.04314.42
5.3.140.0130.04314.48
5.3.130.0200.03714.50
5.3.120.0030.06314.54
5.3.110.0000.05714.48
5.3.100.0030.07714.00
5.3.90.0070.06313.98
5.3.80.0070.07313.93
5.3.70.0100.04013.97
5.3.60.0070.03313.76
5.3.50.0100.04013.71
5.3.40.0170.06313.86
5.3.30.0000.07713.69
5.3.20.0030.05713.64
5.3.10.0030.06013.64
5.3.00.0030.04713.39
5.2.170.0100.05711.15
5.2.160.0030.04711.17
5.2.150.0000.06311.29
5.2.140.0100.06011.11
5.2.130.0170.05011.08
5.2.120.0070.04010.92
5.2.110.0130.05711.07
5.2.100.0100.06010.91
5.2.90.0070.05711.07
5.2.80.0030.05311.07
5.2.70.0070.06011.12
5.2.60.0030.06310.94
5.2.50.0070.06010.96
5.2.40.0030.04310.91
5.2.30.0100.05711.00
5.2.20.0030.05710.89
5.2.10.0070.03310.86
5.2.00.0100.06010.77
5.1.60.0070.05010.08
5.1.50.0000.04310.04
5.1.40.0030.0609.92
5.1.30.0070.05310.36
5.1.20.0000.05310.27
5.1.10.0070.05310.03
5.1.00.0000.0539.98
5.0.50.0000.0338.48
5.0.40.0070.0208.36
5.0.30.0000.0678.20
5.0.20.0030.0478.22
5.0.10.0030.0337.96
5.0.00.0000.0678.14
4.4.90.0000.0207.59
4.4.80.0070.0137.59
4.4.70.0070.0337.59
4.4.60.0070.0337.59
4.4.50.0030.0337.59
4.4.40.0000.0407.59
4.4.30.0000.0337.59
4.4.20.0000.0177.59
4.4.10.0000.0237.59
4.4.00.0070.0507.59
4.3.110.0070.0307.59
4.3.100.0030.0377.59
4.3.90.0030.0277.59
4.3.80.0070.0437.59
4.3.70.0070.0237.59
4.3.60.0030.0307.59
4.3.50.0030.0337.59
4.3.40.0100.0377.59
4.3.30.0070.0307.59
4.3.20.0000.0307.59
4.3.10.0030.0177.59
4.3.00.0000.0307.59

preferences:
48.09 ms | 400 KiB | 5 Q