3v4l.org

run code in 300+ PHP versions simultaneously
<?php $regex = '/\$([\w|\d]*="[\\\w|\d]*)";/'; $string = '$x15e="\141\162\162a\x79\x5f\162e\x76\145r\x73\x65"; $x15e="\141\162\162a\x79\x5f\162e\x76\145r\x73\x65";'; preg_match_all($regex, $string, $matches); foreach ($matches as $match) { var_dump($match); }

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)
8.3.60.0060.00918.30
8.3.50.0100.01121.99
8.3.40.0100.00718.83
8.3.30.0030.01419.12
8.3.20.0090.00620.33
8.3.10.0040.00423.71
8.3.00.0000.00819.23
8.2.180.0070.01418.41
8.2.170.0100.01022.96
8.2.160.0100.00322.38
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0000.00821.31
8.2.110.0070.00422.28
8.2.100.0040.01117.91
8.2.90.0060.00317.73
8.2.80.0000.00818.86
8.2.70.0070.00417.90
8.2.60.0080.00018.03
8.2.50.0080.00018.10
8.2.40.0040.00421.25
8.2.30.0000.00719.30
8.2.20.0050.00317.84
8.2.10.0000.00818.12
8.2.00.0040.00417.81
8.1.280.0140.00325.92
8.1.270.0130.00718.95
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0080.00322.01
8.1.230.0080.00417.70
8.1.220.0030.00617.74
8.1.210.0060.00318.77
8.1.200.0040.00817.47
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0080.00018.78
8.1.160.0040.00420.63
8.1.150.0110.00018.87
8.1.140.0040.00417.60
8.1.130.0030.00317.85
8.1.120.0070.00017.52
8.1.110.0040.00417.60
8.1.100.0040.00417.48
8.1.90.0040.00417.60
8.1.80.0070.00017.59
8.1.70.0000.00717.61
8.1.60.0030.00617.65
8.1.50.0040.00417.68
8.1.40.0040.00417.64
8.1.30.0000.00817.84
8.1.20.0040.00417.84
8.1.10.0050.00317.65
8.1.00.0080.00017.56
8.0.300.0040.00418.77
8.0.290.0000.00816.75
8.0.280.0040.00418.50
8.0.270.0070.00017.18
8.0.260.0000.00617.27
8.0.250.0000.00717.12
8.0.240.0040.00417.09
8.0.230.0070.00017.00
8.0.220.0000.00817.04
8.0.210.0030.00317.06
8.0.200.0030.00316.96
8.0.190.0080.00016.98
8.0.180.0040.00417.06
8.0.170.0040.00417.03
8.0.160.0040.00417.11
8.0.150.0000.00716.99
8.0.140.0000.00717.00
8.0.130.0030.00313.46
8.0.120.0040.00416.99
8.0.110.0000.00717.03
8.0.100.0050.00316.92
8.0.90.0000.00717.07
8.0.80.0160.00617.02
8.0.70.0050.00216.97
8.0.60.0000.00716.97
8.0.50.0040.00416.89
8.0.30.0120.01017.13
8.0.20.0110.01217.40
8.0.10.0050.00216.97
8.0.00.0080.00916.98
7.4.330.0000.00615.07
7.4.320.0000.00716.73
7.4.300.0000.00716.68
7.4.290.0070.00016.62
7.4.280.0040.00416.76
7.4.270.0030.00316.80
7.4.260.0030.00316.67
7.4.250.0080.00016.70
7.4.240.0020.00516.77
7.4.230.0040.00316.68
7.4.220.0130.00316.81
7.4.210.0040.01116.65
7.4.200.0000.00716.79
7.4.160.0110.00516.50
7.4.150.0140.00417.40
7.4.140.0080.01017.86
7.4.130.0090.00916.71
7.4.120.0140.00716.78
7.4.110.0140.01016.59
7.4.100.0110.00716.64
7.4.90.0100.00716.81
7.4.80.0070.01619.39
7.4.70.0070.01116.78
7.4.60.0070.01116.92
7.4.50.0020.00216.47
7.4.40.0100.01116.48
7.4.30.0160.00316.70
7.4.00.0030.01414.92
7.3.330.0050.00013.30
7.3.320.0030.00313.32
7.3.310.0070.00016.27
7.3.300.0000.00716.39
7.3.290.0090.00616.40
7.3.280.0130.00616.44
7.3.270.0100.00717.40
7.3.260.0140.00316.57
7.3.250.0140.00516.41
7.3.240.0150.00616.61
7.3.230.0120.00916.75
7.3.210.0110.00616.74
7.3.200.0140.00319.39
7.3.190.0060.01116.49
7.3.180.0080.00816.64
7.3.170.0170.00316.63
7.3.160.0030.01316.36
7.3.10.0070.01016.52
7.3.00.0140.01216.52
7.2.330.0130.00416.76
7.2.320.0070.01016.87
7.2.310.0100.00716.75
7.2.300.0170.00316.66
7.2.290.0120.01216.59
7.2.130.0130.00916.52
7.2.120.0130.00316.60
7.2.110.0060.01316.41
7.2.100.0180.00016.34
7.2.90.0180.00416.66
7.2.80.0160.00716.62
7.2.70.0070.01316.59
7.2.60.0090.00816.77
7.2.50.0170.00316.34
7.2.40.0130.00316.86
7.2.30.0080.01616.63
7.2.20.0070.01316.60
7.2.10.0160.00016.50
7.2.00.0080.01018.37
7.1.250.0170.00315.52
7.1.200.0040.00715.92
7.1.100.0090.00618.54
7.1.70.0000.00817.16
7.1.60.0090.01619.46
7.1.50.0090.00317.26
7.1.00.0000.08022.52
7.0.200.0200.00316.85
7.0.140.0000.05322.01
7.0.60.0100.08019.96
7.0.50.0000.05017.86
7.0.40.0070.04020.32
7.0.30.0170.09320.20
7.0.20.0370.06720.07
7.0.10.0130.08720.11
7.0.00.0130.07720.01
5.6.280.0030.09020.89
5.6.210.0100.07020.76
5.6.200.0000.04318.17
5.6.190.0070.07320.57
5.6.180.0430.06720.48
5.6.170.0330.06720.62
5.6.160.0070.04320.54
5.6.150.0030.08718.17
5.6.140.0030.07718.15
5.6.130.0030.08318.17
5.6.120.0100.03721.14
5.6.110.0130.07321.13
5.6.100.0070.08320.97
5.6.90.0070.08720.96
5.6.80.0030.04020.50
5.5.350.4330.03720.32
5.5.340.0100.04717.95
5.5.330.0100.06020.14
5.5.320.0270.03020.51
5.5.310.0400.05320.30
5.5.300.0070.03717.91
5.5.290.0070.08018.02
5.5.280.0070.06020.77
5.5.270.0000.06720.79
5.5.260.0070.08320.75
5.5.250.0030.04320.57
5.5.240.0070.05020.16
5.4.450.0700.06019.42
5.4.440.0770.05319.21
5.4.430.0730.06319.43
5.4.420.0600.06019.48
5.4.410.0670.05719.02
5.4.400.0670.04319.32
5.4.390.0330.05318.78
5.4.380.0430.05718.61
5.4.370.0300.05718.50
5.4.360.0330.05018.77
5.4.350.0300.05718.74
5.4.340.0300.06318.46
5.4.320.0370.06018.62
5.4.310.0300.05318.52
5.4.300.0270.06318.77
5.4.290.0230.06018.72
5.4.280.0370.05718.50
5.4.270.0430.04718.65
5.4.260.0300.05318.68
5.4.250.0370.05318.55
5.4.240.0270.05318.56
5.4.230.0330.05018.68
5.4.220.0270.06018.54
5.4.210.0430.04018.45
5.4.200.0300.05716.66
5.4.190.0430.04318.67
5.4.180.0330.05318.48
5.4.170.0400.07018.57
5.4.160.0300.06018.60
5.4.150.0430.05018.56
5.4.140.0270.06016.23
5.4.130.0430.04016.17
5.4.120.0270.05316.30
5.4.110.0330.05316.22
5.4.100.0170.07016.36
5.4.90.0300.06016.08
5.4.80.0300.05016.11
5.4.70.0370.05016.10
5.4.60.0200.06016.19
5.4.50.0370.05716.12
5.4.40.0300.06016.28
5.4.30.0300.05016.18
5.4.20.0200.05716.15
5.4.10.0370.04716.23
5.4.00.0430.04715.71
5.3.290.0430.05314.82
5.3.280.0970.04714.64
5.3.270.0400.06314.63
5.3.260.0330.05014.51
5.3.250.0270.06314.59
5.3.240.0430.05014.68
5.3.230.0300.06314.56
5.3.220.0370.05714.48
5.3.210.0370.05314.54
5.3.200.0370.05314.61
5.3.190.0500.05314.71
5.3.180.0300.06714.49
5.3.170.0370.05314.63
5.3.160.0270.05714.66
5.3.150.0370.06014.49
5.3.140.0400.05714.48
5.3.130.0370.06014.70
5.3.120.0300.06014.63
5.3.110.0400.05314.70
5.3.100.0330.05014.02
5.3.90.0300.05314.17
5.3.80.0370.05013.93
5.3.70.0400.05313.94
5.3.60.0230.05714.10
5.3.50.0430.04313.92
5.3.40.0430.04313.93
5.3.30.0400.05013.94
5.3.20.0300.04713.79
5.3.10.0270.05013.64
5.3.00.0370.05313.54
5.2.170.0330.03711.13
5.2.160.0200.05311.11
5.2.150.0270.05011.21
5.2.140.0370.04711.12
5.2.130.0130.05311.07
5.2.120.0270.04311.05
5.2.110.0200.05311.15
5.2.100.0330.04011.32
5.2.90.0130.05311.09
5.2.80.0330.04011.16
5.2.70.0300.04011.03
5.2.60.0230.04011.00
5.2.50.0300.04010.93
5.2.40.0270.03311.13
5.2.30.0270.03711.03
5.2.20.0270.03311.17
5.2.10.0230.04010.85
5.2.00.0170.05010.81
5.1.60.0230.03010.06
5.1.50.0200.03010.01
5.1.40.0230.0379.93
5.1.30.0830.03010.34
5.1.20.0100.04710.41
5.1.10.0230.03310.19
5.1.00.0130.04710.13
5.0.50.0200.0278.87
5.0.40.0030.0438.87
5.0.30.0070.0478.87
5.0.20.0130.0308.87
5.0.10.0170.0238.87
5.0.00.0200.0438.87
4.4.90.0070.0308.87
4.4.80.0100.0238.87
4.4.70.0070.0278.87
4.4.60.0100.0238.87
4.4.50.0130.0238.87
4.4.40.0100.0438.87
4.4.30.0130.0178.87
4.4.20.0130.0238.87
4.4.10.0100.0208.87
4.4.00.0030.0438.87
4.3.110.0200.0178.87
4.3.100.0030.0278.87
4.3.90.0030.0278.87
4.3.80.0170.0338.87
4.3.70.0030.0238.87
4.3.60.0130.0208.87
4.3.50.0100.0238.87
4.3.40.0100.0408.87
4.3.30.0000.0278.87
4.3.20.0030.0238.87
4.3.10.0030.0278.87
4.3.00.0130.0207.23

preferences:
63.55 ms | 401 KiB | 5 Q