3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = <<<STRING February 2009 bla bla March 2009 doo daa bla lbla Septemer 2009 STRING; var_export( preg_split('~\R{2}(?=[A-Z][a-z]+ \d{4}$)~m', $string, 0, PREG_SPLIT_NO_EMPTY) );

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)
8.5.30.0080.00819.35
8.5.20.0110.00720.09
8.5.10.0130.00716.91
8.5.00.0140.00720.00
8.4.180.0130.01019.71
8.4.170.0130.01020.36
8.4.160.0150.00723.95
8.4.150.0060.00616.94
8.4.140.0110.01017.63
8.4.130.0060.00418.87
8.4.120.0080.01424.18
8.4.110.0120.00920.08
8.4.100.0090.01217.55
8.4.90.0110.00920.64
8.4.80.0050.00319.05
8.4.70.0090.00618.75
8.4.60.0080.01218.82
8.4.50.0120.00418.64
8.4.40.0160.00319.45
8.4.30.0100.01020.29
8.4.20.0120.00918.10
8.4.10.0030.00619.65
8.3.300.0070.00320.70
8.3.290.0040.00620.94
8.3.280.0090.01218.63
8.3.270.0110.00916.61
8.3.260.0120.00716.86
8.3.250.0050.00419.11
8.3.240.0110.00817.05
8.3.230.0080.01016.64
8.3.220.0070.00818.87
8.3.210.0080.00918.25
8.3.200.0040.00416.76
8.3.190.0120.00618.83
8.3.180.0120.00818.88
8.3.170.0160.00318.88
8.3.160.0110.00717.13
8.3.150.0160.00317.13
8.3.140.0030.00618.94
8.3.130.0080.00018.62
8.3.120.0080.01120.72
8.3.110.0040.00420.94
8.3.100.0060.00316.80
8.3.90.0040.00426.77
8.3.80.0030.00619.36
8.3.70.0070.01016.58
8.3.60.0110.00416.50
8.3.50.0100.00716.31
8.3.40.0110.00318.84
8.3.30.0110.00418.79
8.3.20.0000.00824.18
8.3.10.0050.00224.66
8.3.00.0080.00026.16
8.2.300.0140.00822.21
8.2.290.0110.00816.63
8.2.280.0100.00920.28
8.2.270.0080.00016.42
8.2.260.0130.00617.30
8.2.250.0000.00816.79
8.2.240.0060.00319.05
8.2.230.0030.00522.58
8.2.220.0030.00624.06
8.2.210.0040.00426.77
8.2.200.0070.00418.88
8.2.190.0120.00318.66
8.2.180.0110.00725.92
8.2.170.0100.00318.95
8.2.160.0030.01022.96
8.2.150.0080.00025.66
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00219.83
8.2.110.0060.00322.44
8.2.100.0080.00418.03
8.2.90.0080.00019.09
8.2.80.0070.00317.97
8.2.70.0040.00717.74
8.2.60.0040.00419.66
8.2.50.0040.00418.07
8.2.40.0060.00319.88
8.2.30.0000.00717.94
8.2.20.0030.00517.92
8.2.10.0040.00419.20
8.2.00.0040.00419.25
8.1.340.0140.00817.65
8.1.330.0100.01016.30
8.1.320.0140.00518.13
8.1.310.0070.00716.66
8.1.300.0030.00616.45
8.1.290.0060.00330.84
8.1.280.0040.01425.92
8.1.270.0050.00223.99
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00323.98
8.1.230.0090.00319.01
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0060.00317.35
8.1.180.0000.00918.10
8.1.170.0030.00620.31
8.1.160.0040.00421.92
8.1.150.0000.00818.89
8.1.140.0000.00718.83
8.1.130.0000.00720.05
8.1.120.0040.00417.53
8.1.110.0040.00417.42
8.1.100.0000.00917.46
8.1.90.0000.00717.52
8.1.80.0050.00217.54
8.1.70.0030.00517.42
8.1.60.0060.00317.65
8.1.50.0040.00417.59
8.1.40.0030.00617.57
8.1.30.0030.00617.66
8.1.20.0080.00017.72
8.1.10.0000.00717.55
8.1.00.0000.01117.50
8.0.300.0040.00420.78
8.0.290.0080.00017.16
8.0.280.0070.00018.35
8.0.270.0000.00718.03
8.0.260.0040.00418.32
8.0.250.0080.00016.99
8.0.240.0070.00017.02
8.0.230.0030.00316.98
8.0.220.0000.00716.90
8.0.210.0050.00317.05
8.0.200.0060.00317.01
8.0.190.0030.00517.09
8.0.180.0070.00016.98
8.0.170.0030.00616.93
8.0.160.0040.00416.93
8.0.150.0050.00216.98
8.0.140.0050.00316.95
8.0.130.0000.00513.50
8.0.120.0080.00317.05
8.0.110.0000.00716.88
8.0.100.0080.00016.81
8.0.90.0000.00716.90
8.0.80.0030.01317.01
8.0.70.0040.00417.13
8.0.60.0080.00016.93
8.0.50.0040.00417.00
8.0.30.0070.01116.98
8.0.20.0140.00017.02
8.0.10.0070.00717.17
8.0.00.0000.01517.07
7.4.330.0030.00315.55
7.4.320.0060.00016.64
7.4.300.0050.00316.73
7.4.290.0000.00716.69
7.4.280.0040.00416.71
7.4.270.0050.00216.64
7.4.260.0000.00513.44
7.4.250.0030.00316.70
7.4.240.0010.00616.70
7.4.230.0040.00416.69
7.4.220.0030.00316.83
7.4.210.0080.01016.68
7.4.200.0040.00416.56
7.4.160.0070.00716.66
7.4.150.0060.00616.69
7.4.140.0030.01216.75
7.4.130.0040.01016.55
7.4.120.0070.00616.56
7.4.110.0030.01016.61
7.4.100.0080.00816.77
7.4.90.0080.00616.64
7.4.80.0060.00816.71
7.4.70.0130.00316.55
7.4.60.0080.00616.60
7.4.50.0120.00316.46
7.4.40.0060.00916.55
7.4.30.0070.00716.78
7.4.20.0030.01116.64
7.4.10.0100.00316.58
7.4.00.0080.00516.49
7.3.330.0030.00316.22
7.3.320.0020.00213.09
7.3.310.0000.00716.16
7.3.300.0030.00316.34
7.3.290.0130.00516.35
7.3.270.0060.00616.32
7.3.260.0090.00616.35
7.3.250.0090.00316.30
7.3.240.0040.00916.31
7.3.230.0110.00316.38
7.3.220.0100.00316.23
7.3.210.0070.00716.26
7.3.200.0000.01316.25
7.3.190.0050.00816.32
7.3.180.0030.01016.28
7.3.170.0060.00816.32
7.3.160.0030.01116.23
7.3.150.0060.00616.26
7.3.140.0070.00716.33
7.3.130.0000.01316.26
7.3.120.0060.00616.27
7.3.110.0000.01216.17
7.3.100.0060.00916.25
7.3.90.0100.01016.55
7.3.80.0030.01016.39
7.3.70.0090.00516.27
7.3.60.0000.01316.36
7.3.50.0080.00616.42
7.3.40.0070.00616.44
7.3.30.0070.00716.28
7.3.20.0100.00316.44
7.3.10.0070.00716.32
7.3.00.0090.00516.28

preferences:
45.51 ms | 1391 KiB | 5 Q