3v4l.org

run code in 300+ PHP versions simultaneously
<?php $re = "/(?<=^\S|\s\S|\s)[RD]/"; $str = "-D-K4_NNNN_M116_R1_001.gz _D-K4_NNNN_M56_R1_001.gz R-K4_NNNN_KQ9_R1_001.gz D-K4_NNNN_M987_R1_001.gz _R-K4_NNNN_M987_R1_001.gz"; preg_match_all($re, $str, $matches); echo '<pre>'; print_r($matches); echo '</pre>';

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)
8.5.30.0090.00817.44
8.5.20.0090.01020.05
8.5.10.0090.00720.02
8.5.00.0130.00919.90
8.4.180.0110.01120.70
8.4.170.0050.00520.61
8.4.160.0150.00721.61
8.4.150.0060.00816.99
8.4.140.0140.00817.83
8.4.130.0120.00917.82
8.4.120.0110.00822.10
8.4.110.0140.00722.46
8.4.100.0120.00817.72
8.4.90.0130.00718.80
8.4.80.0050.00418.09
8.4.70.0050.00418.00
8.4.60.0130.00620.88
8.4.50.0130.00818.00
8.4.40.0070.01317.84
8.4.30.0040.01517.79
8.4.20.0140.00318.07
8.4.10.0060.00317.85
8.3.300.0110.01020.87
8.3.290.0120.00920.96
8.3.280.0090.01118.42
8.3.270.0090.01016.79
8.3.260.0140.00316.51
8.3.250.0090.00918.72
8.3.240.0090.00916.69
8.3.230.0100.00916.58
8.3.220.0120.00617.01
8.3.210.0030.00516.83
8.3.200.0070.00216.68
8.3.190.0110.00716.54
8.3.180.0090.01016.69
8.3.170.0160.00318.86
8.3.160.0080.00018.34
8.3.150.0090.00920.68
8.3.140.0070.01116.68
8.3.130.0040.00718.28
8.3.120.0100.01018.96
8.3.110.0030.00620.94
8.3.100.0050.00324.06
8.3.90.0090.00026.77
8.3.80.0050.00517.97
8.3.70.0130.00418.63
8.3.60.0100.00716.84
8.3.50.0090.01221.29
8.3.40.0140.00419.11
8.3.30.0070.01518.93
8.3.20.0080.00020.21
8.3.10.0000.00821.89
8.3.00.0030.00623.66
8.2.300.0110.00923.90
8.2.290.0100.00820.73
8.2.280.0100.00817.12
8.2.270.0130.00618.95
8.2.260.0040.00417.18
8.2.250.0160.00616.93
8.2.240.0030.00617.27
8.2.230.0000.01022.58
8.2.220.0040.00937.54
8.2.210.0040.00426.77
8.2.200.0040.00718.66
8.2.190.0120.00316.63
8.2.180.0120.00616.63
8.2.170.0090.00622.96
8.2.160.0100.00320.51
8.2.150.0050.00224.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0030.00619.73
8.2.110.0000.00922.42
8.2.100.0040.00819.89
8.2.90.0000.00917.88
8.2.80.0040.00418.86
8.2.70.0030.00617.63
8.2.60.0030.00517.93
8.2.50.0040.00418.07
8.2.40.0040.00420.19
8.2.30.0030.00717.99
8.2.20.0060.00317.79
8.2.10.0000.00718.07
8.2.00.0080.00018.14
8.1.340.0070.00319.68
8.1.330.0070.01122.13
8.1.320.0090.00718.22
8.1.310.0110.00718.46
8.1.300.0080.01218.47
8.1.290.0060.00330.84
8.1.280.0120.00325.92
8.1.270.0060.00323.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00620.73
8.1.230.0090.00317.76
8.1.220.0000.00917.79
8.1.210.0000.00818.77
8.1.200.0060.00317.38
8.1.190.0040.00717.36
8.1.180.0040.00418.10
8.1.170.0000.00818.66
8.1.160.0030.00618.93
8.1.150.0030.00518.84
8.1.140.0050.00319.70
8.1.130.0070.00017.69
8.1.120.0030.00317.41
8.1.110.0080.00017.40
8.1.100.0030.00317.54
8.1.90.0030.00517.53
8.1.80.0040.00417.43
8.1.70.0030.00317.60
8.1.60.0000.00717.67
8.1.50.0030.00617.50
8.1.40.0000.00817.61
8.1.30.0060.00317.76
8.1.20.0000.00717.72
8.1.10.0000.00917.66
8.1.00.0040.00417.48
8.0.300.0050.00218.77
8.0.290.0000.00816.88
8.0.280.0030.00318.38
8.0.270.0000.00717.20
8.0.260.0030.00517.18
8.0.250.0000.00717.06
8.0.240.0070.00017.08
8.0.230.0030.00317.00
8.0.220.0000.00817.07
8.0.210.0040.00417.00
8.0.200.0050.00316.92
8.0.190.0060.00317.06
8.0.180.0000.00816.96
8.0.170.0080.00016.87
8.0.160.0050.00216.98
8.0.150.0030.00316.79
8.0.140.0000.00716.89
8.0.130.0000.00613.36
8.0.120.0000.00817.00
8.0.110.0040.00417.08
8.0.100.0070.00017.14
8.0.90.0000.00717.11
8.0.80.0060.01316.91
8.0.70.0040.00416.90
8.0.60.0000.00716.87
8.0.50.0070.00017.10
8.0.30.0100.00517.21
8.0.20.0080.01017.41
8.0.10.0080.00017.01
8.0.00.0090.00816.92
7.4.330.0000.00516.66
7.4.320.0040.00416.73
7.4.300.0040.00416.79
7.4.290.0040.00416.62
7.4.280.0060.00316.83
7.4.270.0060.00016.86
7.4.260.0000.01016.79
7.4.250.0000.00716.69
7.4.240.0030.00316.63
7.4.230.0020.00516.87
7.4.220.0110.00416.66
7.4.210.0070.00716.75
7.4.200.0000.00816.90
7.4.160.0100.00616.88
7.4.150.0130.00717.40
7.4.140.0120.01017.86
7.4.130.0160.01016.71
7.4.120.0040.01416.65
7.4.110.0110.01116.63
7.4.100.0060.01516.80
7.4.90.0060.01116.70
7.4.80.0090.00919.39
7.4.70.0110.00616.71
7.4.60.0130.00316.64
7.4.50.0040.01216.51
7.4.40.0000.01516.66
7.4.30.0140.00516.54
7.4.00.0070.01015.11
7.3.330.0040.00413.18
7.3.320.0050.00013.02
7.3.310.0000.00716.21
7.3.300.0070.00016.31
7.3.290.0030.00316.28
7.3.280.0070.01016.29
7.3.270.0110.00717.40
7.3.260.0130.00416.61
7.3.240.0090.01016.40
7.3.230.0080.00816.57
7.3.210.0050.01816.60
7.3.200.0030.01419.39
7.3.190.0130.00616.41
7.3.180.0100.01016.61
7.3.170.0090.01316.27
7.3.160.0030.01316.60
7.2.330.0090.01216.60
7.2.320.0120.00616.66
7.2.310.0090.00916.80
7.2.300.0120.00916.74
7.2.290.0020.01516.73
7.2.60.0040.01116.86
7.2.00.0000.01219.52
7.1.200.0070.00715.72
7.1.100.0090.00917.87
7.1.70.0030.00517.38
7.1.60.0090.00619.40
7.1.50.0130.01016.99
7.1.00.0030.07722.43
7.0.200.0030.00716.53
7.0.60.0100.07721.67
7.0.50.0070.05017.97
7.0.40.0030.08720.23
7.0.30.0230.07320.19
7.0.20.0300.04720.08
7.0.10.0030.04320.11
7.0.00.0030.07020.27
5.6.280.0030.04320.85
5.6.210.0100.05020.70
5.6.200.0030.04018.25
5.6.190.0130.08720.33
5.6.180.0370.04720.55
5.6.170.0300.08020.72
5.6.160.0070.05720.46
5.6.150.0030.07718.15
5.6.140.0070.07718.23
5.6.130.0100.08018.18
5.6.120.0070.04020.98
5.6.110.0070.08321.02
5.6.100.0130.07720.88
5.6.90.0100.09021.02
5.6.80.0130.06320.39
5.5.350.4070.03720.40
5.5.340.0030.06717.97
5.5.330.0070.06720.43
5.5.320.0400.04020.32
5.5.310.0200.05320.36
5.5.300.0000.04017.98
5.5.290.0030.04018.01
5.5.280.0070.04020.95
5.5.270.0070.04720.76
5.5.260.0030.07320.79
5.5.250.0030.04020.57
5.5.240.0230.04320.25

preferences:
61.47 ms | 1513 KiB | 5 Q