3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match_all('~[\\\\a-z0-9_]~', 'a\\\\b', $matches); print_r($matches); preg_match_all('~[a-z0-9_\\\\]~', 'a\\\\b', $matches); print_r($matches); preg_match_all('~[\\d-z]~', 'a\\\\b', $matches); print_r($matches); preg_match_all('~[\\\\d-z]~', 'a\\\\b', $matches); print_r($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)
8.3.60.0170.00318.68
8.3.50.0100.01018.44
8.3.40.0120.00318.82
8.3.30.0070.00718.92
8.3.20.0080.00021.77
8.3.10.0040.00421.89
8.3.00.0080.00023.56
8.2.180.0070.01016.50
8.2.170.0090.00622.96
8.2.160.0070.02020.14
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0030.00526.16
8.2.120.0080.00026.16
8.2.110.0030.00619.29
8.2.100.0110.00017.78
8.2.90.0000.00818.03
8.2.80.0030.00517.97
8.2.70.0030.00617.80
8.2.60.0080.00018.05
8.2.50.0040.00418.10
8.2.40.0060.00320.48
8.2.30.0000.00719.14
8.2.20.0030.00517.95
8.2.10.0000.00819.03
8.2.00.0030.00619.14
8.1.280.0120.00625.92
8.1.270.0050.00323.91
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00722.34
8.1.230.0090.00320.92
8.1.220.0040.00417.74
8.1.210.0000.00818.87
8.1.200.0040.00417.23
8.1.190.0000.00917.23
8.1.180.0040.00418.10
8.1.170.0030.00518.77
8.1.160.0000.00718.80
8.1.150.0040.00418.86
8.1.140.0030.00518.81
8.1.130.0030.00320.11
8.1.120.0040.00417.47
8.1.110.0050.00317.39
8.1.100.0020.00717.46
8.1.90.0060.00317.47
8.1.80.0000.00817.46
8.1.70.0000.00717.38
8.1.60.0030.00517.57
8.1.50.0000.00717.43
8.1.40.0060.00317.45
8.1.30.0040.00417.71
8.1.20.0030.00617.62
8.1.10.0000.00817.62
8.1.00.0000.00717.42
8.0.300.0070.00019.79
8.0.290.0040.00416.75
8.0.280.0070.00018.36
8.0.270.0030.00317.07
8.0.260.0000.00618.27
8.0.250.0000.00917.07
8.0.240.0060.00016.95
8.0.230.0040.00417.00
8.0.220.0000.00716.97
8.0.210.0080.00017.01
8.0.200.0030.00317.05
8.0.190.0050.00217.09
8.0.180.0000.00816.99
8.0.170.0000.01216.89
8.0.160.0040.00416.88
8.0.150.0070.00016.90
8.0.140.0060.00316.98
8.0.130.0060.00013.45
8.0.120.0040.00417.00
8.0.110.0020.00516.94
8.0.100.0040.00416.95
8.0.90.0000.00717.04
8.0.80.0050.01316.98
8.0.70.0000.00916.94
8.0.60.0040.00416.85
8.0.50.0040.00416.88
8.0.30.0120.00817.09
8.0.20.0160.00316.95
8.0.10.0000.00817.11
8.0.00.0110.00816.88
7.4.330.0000.00515.55
7.4.320.0030.00316.61
7.4.300.0000.00616.51
7.4.290.0040.00416.67
7.4.280.0030.00516.60
7.4.270.0100.00016.63
7.4.260.0000.00716.65
7.4.250.0000.00716.67
7.4.240.0020.00516.54
7.4.230.0000.00716.70
7.4.220.0000.00916.70
7.4.210.0090.00716.66
7.4.200.0000.00716.50
7.4.160.0100.00716.55
7.4.130.0160.00016.56
7.4.120.0040.01616.73
7.4.110.0110.00816.67
7.4.100.0120.00616.67
7.4.90.0040.01216.67
7.4.80.0140.00419.39
7.4.70.0090.00916.53
7.4.60.0030.01316.51
7.4.50.0060.00916.66
7.4.40.0130.00816.47
7.4.00.0070.00715.04
7.3.330.0000.00913.10
7.3.320.0030.00313.18
7.3.310.0030.00416.42
7.3.300.0050.00316.30
7.3.290.0100.00716.34
7.3.280.0030.01316.45
7.3.260.0090.00916.53
7.3.240.0100.00916.46
7.3.230.0060.01116.35
7.3.210.0090.00916.58
7.3.200.0040.01716.31
7.3.190.0100.00616.51
7.3.180.0130.00316.43
7.3.170.0030.01316.40
7.3.160.0060.01016.49
7.3.60.0070.00314.60
7.3.50.0030.00814.63
7.3.40.0060.01514.74
7.3.30.0070.00414.68
7.3.20.0060.00616.46
7.3.10.0150.00016.66
7.3.00.0070.00716.43
7.2.330.0100.01316.52
7.2.320.0030.01316.49
7.2.310.0070.01016.65
7.2.300.0130.00416.42
7.2.290.0130.00416.46
7.2.190.0110.00014.82
7.2.180.0130.01014.86
7.2.170.0060.00914.95
7.2.160.0090.00914.96
7.2.150.0040.00816.65
7.2.140.0120.00317.04
7.2.130.0040.00816.96
7.2.120.0120.01216.75
7.2.110.0040.01816.83
7.2.100.0090.00616.77
7.2.90.0030.01316.64
7.2.80.0180.00316.58
7.2.70.0060.00616.90
7.2.60.0080.00416.80
7.2.50.0040.00716.74
7.2.40.0090.01217.00
7.2.30.0120.01216.77
7.2.20.0110.01116.75
7.2.10.0030.01016.75
7.2.00.0030.01016.76
7.1.300.0040.00815.61
7.1.290.0120.00415.79
7.1.280.0030.00715.60
7.1.270.0000.01315.75
7.1.260.0060.00615.67
7.1.250.0000.01315.86

preferences:
63.77 ms | 401 KiB | 5 Q