3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'Hello @1a1a-1a1a and @2B2B2-B2 too'; preg_match_all("/(?<=@)[\w-]+/", $string, $matches); print_r($matches[0]);

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)
8.5.00.0120.01021.74
8.4.150.0210.00616.72
8.4.140.0120.00817.64
8.4.130.0050.00317.74
8.4.120.0110.00822.26
8.4.110.0110.00619.95
8.4.100.0060.00417.92
8.4.90.0060.00320.42
8.4.80.0060.00418.91
8.4.70.0030.00518.17
8.4.60.0090.01118.88
8.4.50.0120.00919.70
8.4.40.0070.01019.60
8.4.30.0130.00719.64
8.4.20.0100.01020.47
8.4.10.0090.00018.88
8.3.280.0020.00014.05
8.3.270.0110.00816.70
8.3.260.0050.00316.77
8.3.250.0100.00916.93
8.3.240.0100.00916.69
8.3.230.0110.00816.63
8.3.220.0050.00318.92
8.3.210.0050.00316.71
8.3.200.0050.00416.72
8.3.190.0110.00717.05
8.3.180.0130.00616.47
8.3.170.0070.01118.86
8.3.160.0140.00418.52
8.3.150.0160.00320.45
8.3.140.0000.00816.53
8.3.130.0040.00416.61
8.3.120.0030.00620.74
8.3.110.0140.00420.94
8.3.100.0040.00424.06
8.3.90.0040.01126.77
8.3.80.0090.00017.97
8.3.70.0090.00618.56
8.3.60.0090.00916.63
8.3.50.0120.00517.61
8.3.40.0040.01118.73
8.3.30.0140.00418.83
8.3.20.0070.00019.28
8.3.10.0030.00623.62
8.3.00.0080.00021.77
8.2.290.0110.00216.73
8.2.280.0120.00718.47
8.2.270.0070.01117.25
8.2.260.0000.00918.74
8.2.250.0080.00018.81
8.2.240.0080.00019.21
8.2.230.0000.00922.58
8.2.220.0090.00037.54
8.2.210.0040.00426.77
8.2.200.0090.00018.54
8.2.190.0120.00618.46
8.2.180.0180.00016.75
8.2.170.0130.00622.96
8.2.160.0070.00722.18
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00421.14
8.2.110.0030.00621.15
8.2.100.0060.00618.03
8.2.90.0040.00418.22
8.2.80.0040.00417.97
8.2.70.0050.00317.93
8.2.60.0000.00918.22
8.2.50.0030.00518.10
8.2.40.0050.00321.25
8.2.30.0030.00519.32
8.2.20.0040.00418.14
8.2.10.0030.00618.00
8.2.00.0030.00519.35
8.1.330.0110.00816.39
8.1.320.0110.00818.53
8.1.310.0070.00718.46
8.1.300.0130.00716.11
8.1.290.0040.00430.84
8.1.280.0180.00425.92
8.1.270.0040.00422.08
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0070.00717.77
8.1.230.0040.00820.84
8.1.220.0000.00817.74
8.1.210.0050.00318.85
8.1.200.0100.00017.38
8.1.190.0040.00417.13
8.1.180.0060.00318.10
8.1.170.0040.00418.63
8.1.160.0050.00218.90
8.1.150.0050.00318.79
8.1.140.0030.00322.21
8.1.130.0070.00020.11
8.1.120.0000.00717.50
8.1.110.0000.00817.41
8.1.100.0000.00717.43
8.1.90.0070.00017.43
8.1.80.0050.00617.43
8.1.70.0030.00317.46
8.1.60.0080.00017.69
8.1.50.0050.00317.66
8.1.40.0040.00417.59
8.1.30.0040.00417.72
8.1.20.0000.00817.74
8.1.10.0000.00817.61
8.1.00.0040.00417.63
8.0.300.0040.00419.76
8.0.290.0040.00416.75
8.0.280.0000.00718.39
8.0.270.0030.00317.06
8.0.260.0070.00018.31
8.0.250.0000.00616.91
8.0.240.0030.00317.00
8.0.230.0070.00017.06
8.0.220.0000.00816.96
8.0.210.0040.00416.94
8.0.200.0040.00416.95
8.0.190.0040.00417.05
8.0.180.0060.00316.98
8.0.170.0080.00016.89
8.0.160.0040.00416.86
8.0.150.0040.00416.91
8.0.140.0040.00416.89
8.0.130.0030.00313.42
8.0.120.0070.00016.90
8.0.110.0000.00816.98
8.0.100.0040.00416.92
8.0.90.0040.00416.97
8.0.80.0060.00916.97
8.0.70.0030.00516.84
8.0.60.0000.00817.03
8.0.50.0000.00817.00
8.0.30.0080.00817.22
8.0.20.0320.01517.40
8.0.10.0040.00417.05
8.0.00.0080.01016.92
7.4.330.0060.00016.68
7.4.320.0060.00016.75
7.4.300.0030.00316.77
7.4.290.0000.00716.71
7.4.280.0080.00016.65
7.4.270.0070.00016.69
7.4.260.0000.00716.72
7.4.250.0000.00716.71
7.4.240.0030.00616.58
7.4.230.0070.00016.73
7.4.220.0030.00416.82
7.4.210.0100.00516.77
7.4.200.0070.00016.64
7.4.160.0070.00916.65
7.4.140.0100.00817.86
7.4.130.0100.00616.76
7.4.120.0120.00816.72
7.4.110.0100.00716.61
7.4.100.0130.01016.75
7.4.90.0060.01216.72
7.4.80.0120.00619.39
7.4.70.0180.00016.46
7.4.60.0140.00716.71
7.4.50.0030.01016.44
7.4.40.0080.00816.77
7.4.00.0080.00715.10
7.3.330.0000.00513.19
7.3.320.0060.00013.06
7.3.310.0000.00716.33
7.3.300.0070.00016.25
7.3.290.0070.00016.19
7.3.280.0100.01116.33
7.3.260.0120.00716.47
7.3.240.0080.01016.41
7.3.230.0140.00316.39
7.3.210.0090.01316.27
7.3.200.0180.00016.51
7.3.190.0120.00616.79
7.3.180.0060.01016.39
7.3.170.0120.01016.57
7.3.160.0060.00916.61
7.3.120.0080.01014.84
7.3.110.0080.00814.88
7.3.100.0080.00514.99
7.3.90.0060.00614.91
7.3.80.0090.00514.96
7.3.70.0080.00414.85
7.3.60.0110.00314.80
7.3.50.0020.01114.84
7.3.40.0080.00614.91
7.3.30.0060.00714.88
7.3.20.0040.00616.71
7.3.10.0040.00916.79
7.3.00.0070.00816.67
7.2.330.0070.01016.69
7.2.320.0090.00916.70
7.2.310.0040.01116.73
7.2.300.0080.00816.60
7.2.290.0120.00616.75
7.2.250.0090.01015.16
7.2.240.0070.01314.93
7.2.230.0060.00915.07
7.2.220.0070.00715.02
7.2.210.0060.00914.90
7.2.200.0040.00915.15
7.2.190.0040.00914.80
7.2.180.0050.00915.03
7.2.170.0020.01215.12
7.2.130.0030.00916.94
7.2.120.0070.00815.76
7.2.110.0050.01015.94
7.2.100.0150.00415.84
7.2.90.0330.01015.93
7.2.80.0090.00815.71
7.2.70.1510.01015.95
7.2.60.1300.01016.00
7.2.50.0110.00716.15
7.2.40.0900.00916.00
7.2.30.0780.01116.01
7.2.20.1070.00815.89
7.2.10.1360.01016.13
7.2.00.0990.00615.72
7.1.330.0080.00816.01
7.1.320.0050.00915.86
7.1.310.0050.00716.12
7.1.300.0020.01115.94
7.1.290.0040.00815.79
7.1.280.0050.00815.91
7.1.270.0080.00615.88
7.1.260.0040.01115.79
7.1.250.0030.00615.87
7.1.240.0120.00614.20
7.1.230.0230.00413.89
7.1.220.0210.00614.04
7.1.210.0190.00613.93
7.1.200.1320.00914.01
7.1.190.0700.00613.67
7.1.180.1170.01013.66
7.1.170.0160.00314.05
7.1.160.2120.01314.02
7.1.150.2710.00314.02
7.1.140.2660.00313.81
7.1.130.1770.01014.15
7.1.120.3930.00813.91
7.1.110.2080.00013.79
7.1.100.3200.01314.08
7.1.90.2700.00713.95
7.1.80.2550.01014.23
7.1.70.2290.01014.19
7.1.60.1820.00714.20
7.1.50.1830.00013.99
7.1.40.2350.00713.86
7.1.30.1630.01013.84
7.1.20.1760.00313.99
7.1.10.1660.00614.04
7.1.00.1010.01013.95
5.6.380.0110.00614.06

preferences:
37.1 ms | 403 KiB | 5 Q