3v4l.org

run code in 300+ PHP versions simultaneously
<?php $re = '/(?<=\w)(?=(?:\w\w)+$)/m'; $str = '121510'; preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0); // Print the entire match result var_dump($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)
8.3.60.0090.00918.56
8.3.50.0040.01118.19
8.3.40.0110.00418.79
8.3.30.0110.00418.80
8.3.20.0040.00418.77
8.3.10.0040.00423.48
8.3.00.0040.00420.85
8.2.180.0070.01118.66
8.2.170.0030.01222.96
8.2.160.0000.01521.02
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0040.00417.97
8.2.120.0040.00426.35
8.2.110.0070.00322.43
8.2.100.0070.00417.97
8.2.90.0080.00017.97
8.2.80.0040.00417.97
8.2.70.0000.00817.80
8.2.60.0060.00318.03
8.2.50.0030.00618.10
8.2.40.0070.00019.29
8.2.30.0000.00719.11
8.2.20.0000.00717.91
8.2.10.0070.00018.07
8.2.00.0060.00817.84
8.1.280.0070.01025.92
8.1.270.0060.00318.58
8.1.260.0030.00526.35
8.1.250.0050.00228.09
8.1.240.0020.01217.34
8.1.230.0080.00421.02
8.1.220.0050.00317.74
8.1.210.0000.00818.95
8.1.200.0030.00617.35
8.1.190.0000.00917.23
8.1.180.0030.00618.10
8.1.170.0030.00618.72
8.1.160.0050.00218.84
8.1.150.0030.00618.84
8.1.140.0070.00023.94
8.1.130.0070.00020.09
8.1.120.0000.00817.43
8.1.110.0040.00417.54
8.1.100.0000.00717.43
8.1.90.0030.00317.55
8.1.80.0040.00417.53
8.1.70.0030.00717.48
8.1.60.0000.00717.66
8.1.50.0030.00517.61
8.1.40.0030.00617.62
8.1.30.0060.00317.73
8.1.20.0030.00617.62
8.1.10.0040.00417.55
8.1.00.0030.00517.42
8.0.300.0040.00419.91
8.0.290.0050.00317.00
8.0.280.0000.00718.38
8.0.270.0070.00417.26
8.0.260.0030.00620.11
8.0.250.0110.00017.04
8.0.240.0000.00717.06
8.0.230.0070.00017.00
8.0.220.0030.00317.06
8.0.210.0000.00717.08
8.0.200.0000.00616.97
8.0.190.0030.00617.15
8.0.180.0070.00017.07
8.0.170.0040.00416.88
8.0.160.0040.00417.05
8.0.150.0040.00416.86
8.0.140.0040.00416.95
8.0.130.0000.00513.46
8.0.120.0090.00016.93
8.0.110.0030.00317.00
8.0.100.0040.00416.92
8.0.90.0040.00417.06
8.0.80.0110.00716.98
8.0.70.0000.00717.02
8.0.60.0000.00717.11
8.0.50.0050.00316.84
8.0.30.0110.00816.99
8.0.20.0050.01417.40
8.0.10.0070.00017.03
8.0.00.0080.01116.74
7.4.330.0030.00315.55
7.4.320.0060.00016.65
7.4.300.0030.00316.64
7.4.290.0030.00316.58
7.4.280.0040.00416.73
7.4.270.0050.00216.71
7.4.260.0040.00716.72
7.4.250.0040.00416.60
7.4.240.0070.00016.71
7.4.230.0030.00316.65
7.4.220.0080.00016.64
7.4.210.0100.00616.69
7.4.200.0050.00316.85
7.4.160.0110.00716.61
7.4.140.0130.00717.86
7.4.130.0120.00616.69
7.4.120.0140.00616.62
7.4.110.0100.01016.39
7.4.100.0060.01116.62
7.4.90.0110.00616.66
7.4.80.0100.01019.39
7.4.70.0110.00816.58
7.4.60.0060.01116.70
7.4.50.0040.00716.25
7.4.40.0080.01616.56
7.4.00.0050.01114.93
7.3.330.0050.00013.09
7.3.320.0040.00413.17
7.3.310.0030.00616.42
7.3.300.0040.00416.32
7.3.290.0030.00316.25
7.3.280.0000.01816.27
7.3.260.0120.00716.44
7.3.240.0120.00616.47
7.3.230.0060.01116.55
7.3.210.0060.01616.42
7.3.200.0030.01316.24
7.3.190.0090.01216.40
7.3.180.0110.01116.43
7.3.170.0140.00816.38
7.3.160.0110.01116.39
7.3.120.0120.00515.02
7.3.110.0050.01114.88
7.3.100.0070.00914.78
7.3.90.0050.01015.03
7.3.80.0050.00814.52
7.3.70.0060.00314.78
7.3.60.0130.00214.77
7.3.50.0020.01414.83
7.3.40.0060.00714.90
7.3.30.0050.00714.83
7.3.20.0070.00916.62
7.3.10.0030.00716.79
7.3.00.0090.00716.69
7.2.330.0090.00916.49
7.2.320.0110.00816.75
7.2.310.0120.00416.46
7.2.300.0090.00816.62
7.2.290.0130.01016.53
7.2.250.0100.00715.17
7.2.240.0050.01415.04
7.2.230.0050.00814.92
7.2.220.0070.00815.02
7.2.210.0050.00914.94
7.2.200.0080.00515.09
7.2.190.0080.00814.95
7.2.180.0090.00715.12
7.2.170.0050.00914.90
7.2.110.0290.01014.56
7.2.100.0420.00014.58
7.2.90.0200.01314.70
7.2.80.0260.01114.37
7.2.70.0240.01714.93
7.2.60.0220.01115.07
7.2.50.0220.01214.96
7.2.40.0390.00614.84
7.2.30.0380.00314.90
7.2.20.0330.00615.02
7.2.10.0370.00914.92
7.2.00.0310.00614.98
7.1.330.0100.00315.91
7.1.320.0050.01015.78
7.1.310.0030.00815.92
7.1.300.0070.00615.74
7.1.290.0050.01015.83
7.1.280.0020.01215.71
7.1.270.0050.00715.75
7.1.260.0030.00815.87
7.1.230.0360.00313.90
7.1.220.1180.00913.93
7.1.210.0560.00714.15
7.1.200.0290.00713.87
7.1.190.0190.01314.05
7.1.180.0310.00413.87
7.1.170.0320.00613.84
7.1.160.0300.00714.07
7.1.150.0350.00613.89
7.1.140.0210.01214.09
7.1.130.0330.00614.07
7.1.120.0470.00614.08
7.1.110.1240.00313.78
7.1.100.0270.01014.08
7.1.90.0290.01013.89
7.1.80.0270.00914.02
7.1.70.0330.00014.11
7.1.60.0500.00631.91
7.1.50.0410.01131.72
7.1.40.0360.01631.86
7.1.30.0360.02631.91
7.1.20.0510.01132.05
7.1.10.0320.00514.05
7.1.00.0240.00713.90
5.6.380.0140.00414.10

preferences:
58.74 ms | 401 KiB | 5 Q