3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ 'net_sec1' => 'a', 'net_sec2' => 'b', 'net_sec3' => 'c', 'ss_ks_kw' => 'a', ]; $aa = preg_grep('/^net_sec\\d+$/', $a); var_dump($aa);

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)
8.3.60.0100.00616.63
8.3.50.0070.01322.13
8.3.40.0110.00419.02
8.3.30.0060.00918.95
8.3.20.0080.00020.22
8.3.10.0000.00821.74
8.3.00.0070.00020.95
8.2.180.0110.01118.79
8.2.170.0140.00022.96
8.2.160.0070.01022.23
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00419.63
8.2.110.0060.00320.38
8.2.100.0040.00817.78
8.2.90.0050.00319.09
8.2.80.0000.00817.97
8.2.70.0050.00317.75
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0080.00019.94
8.2.30.0040.00418.07
8.2.20.0000.00817.63
8.2.10.0040.00417.94
8.2.00.0040.00417.88
8.1.280.0150.00025.92
8.1.270.0030.00618.88
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00324.02
8.1.230.0040.00819.02
8.1.220.0000.00817.74
8.1.210.0000.00718.77
8.1.200.0060.00317.36
8.1.190.0090.00017.23
8.1.180.0040.00418.10
8.1.170.0030.00518.54
8.1.160.0000.00721.96
8.1.150.0000.00718.82
8.1.140.0040.00417.52
8.1.130.0030.00317.85
8.1.120.0030.00417.46
8.1.110.0050.00317.44
8.1.100.0000.00717.49
8.1.90.0040.00417.42
8.1.80.0000.00817.55
8.1.70.0070.00017.44
8.1.60.0060.00317.63
8.1.50.0000.00917.50
8.1.40.0060.00317.57
8.1.30.0040.00417.71
8.1.20.0000.00717.75
8.1.10.0040.00417.43
8.1.00.0030.00717.59
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.43
8.0.270.0070.00017.15
8.0.260.0080.00017.25
8.0.250.0030.00317.05
8.0.240.0000.00916.96
8.0.230.0030.00316.91
8.0.220.0030.00316.95
8.0.210.0000.00816.85
8.0.200.0070.00416.85
8.0.190.0000.00716.91
8.0.180.0000.00816.95
8.0.170.0050.00317.02
8.0.160.0050.00317.02
8.0.150.0000.00716.94
8.0.140.0000.00816.81
8.0.130.0000.00513.45
8.0.120.0030.00616.92
8.0.110.0080.00016.97
8.0.100.0070.00016.91
8.0.90.0000.00717.02
8.0.80.0160.00716.84
8.0.70.0030.00616.77
8.0.60.0040.00416.85
8.0.50.0050.00216.83
8.0.30.0180.00517.14
8.0.20.0080.01217.40
8.0.10.0040.00416.95
8.0.00.0080.00916.91
7.4.330.0050.00015.07
7.4.320.0000.00616.80
7.4.300.0030.00316.73
7.4.290.0030.00516.66
7.4.280.0000.00816.73
7.4.270.0070.00016.61
7.4.260.0060.00316.55
7.4.250.0000.00716.50
7.4.240.0060.00216.70
7.4.230.0040.00416.76
7.4.220.0090.00916.66
7.4.210.0140.00016.58
7.4.200.0070.00016.76
7.4.160.0090.00616.73
7.4.150.0070.01117.40
7.4.140.0090.01217.86
7.4.130.0110.00716.69
7.4.120.0090.00916.50
7.4.110.0100.00716.81
7.4.100.0090.00916.54
7.4.90.0140.00416.53
7.4.80.0100.00616.54
7.4.70.0080.00916.64
7.4.60.0040.01316.55
7.4.50.0080.00016.52
7.4.40.0110.00816.51
7.4.30.0040.01416.63
7.4.00.0000.01515.03
7.3.330.0000.00513.13
7.3.320.0130.00013.20
7.3.310.0000.00616.14
7.3.300.0030.00316.23
7.3.290.0090.00616.26
7.3.280.0080.00816.31
7.3.270.0090.00917.40
7.3.260.0110.00716.29
7.3.250.0110.00716.53
7.3.240.0060.01316.27
7.3.230.0030.01416.42
7.3.210.0120.00616.45
7.3.200.0150.00619.39
7.3.190.0070.01616.30
7.3.180.0140.00716.34
7.3.170.0090.00916.59
7.3.160.0090.00616.50
7.2.330.0060.01016.75
7.2.320.0120.00916.68
7.2.310.0110.00816.68
7.2.300.0100.01316.54
7.2.290.0000.01616.51
7.2.00.0000.00919.10
7.1.100.0030.01218.22
7.1.70.0000.01217.29
7.1.60.0030.02019.46
7.1.50.0100.01317.11
7.1.00.0030.07722.58
7.0.200.0060.00316.86
7.0.140.0070.07022.08
7.0.60.0070.06019.92
7.0.50.0000.04317.82
7.0.40.0030.08020.25
7.0.30.0200.04720.18
7.0.20.0230.07320.20
7.0.10.0070.09020.02
7.0.00.0070.05320.02
5.6.280.0070.06721.06
5.6.210.0100.07720.43
5.6.200.0070.04018.21
5.6.190.0070.07020.77
5.6.180.0500.06320.41
5.6.170.0300.07720.49
5.6.160.0100.07320.49
5.6.150.0000.06018.09
5.6.140.0000.05718.16
5.6.130.0000.05318.17
5.6.120.0130.06721.01
5.6.110.0000.07721.00
5.6.100.0230.07020.99
5.6.90.0100.07320.87
5.6.80.0070.04320.52
5.5.350.0300.08020.32
5.5.340.0070.08017.95
5.5.330.0070.08320.19
5.5.320.0230.04320.31
5.5.310.0370.07020.30
5.5.300.0070.08018.01
5.5.290.0070.07717.98
5.5.280.0100.03320.64
5.5.270.0170.07720.95
5.5.260.0030.09320.87
5.5.250.0100.06320.54
5.5.240.0000.04020.15
5.4.450.0270.05719.27
5.4.440.1070.06019.10
5.4.430.0630.05719.46
5.4.420.1030.05019.13
5.4.410.1400.05719.39
5.4.400.0670.06718.92
5.4.390.0030.05318.48
5.4.380.0070.06318.68
5.4.370.0070.05018.49
5.4.360.0100.04718.52
5.4.350.0100.05018.64
5.4.340.0030.05318.72
5.4.320.0070.06018.77
5.4.310.0030.07018.57
5.4.300.0070.04718.64
5.4.290.0070.05018.56
5.4.280.0030.05318.64
5.4.270.0030.05318.55
5.4.260.0070.05018.48
5.4.250.0070.05018.52
5.4.240.0100.05018.67
5.4.230.0070.04718.48
5.4.220.0070.05018.63
5.4.210.0170.04018.59
5.4.200.0000.05316.55
5.4.190.0030.05318.44
5.4.180.0030.05718.47
5.4.170.0100.04718.70
5.4.160.0070.05018.46
5.4.150.0030.05718.46
5.4.140.0000.05316.06
5.4.130.0030.04716.25
5.4.120.0100.04016.21
5.4.110.0070.04316.21
5.4.100.0000.05316.32
5.4.90.0070.04716.31
5.4.80.0130.04016.10
5.4.70.0030.05316.09
5.4.60.0070.04316.28
5.4.50.0070.04716.13
5.4.40.0070.04716.19
5.4.30.0170.03716.28
5.4.20.0070.04716.22
5.4.10.0030.06016.12
5.4.00.0030.04715.80
5.3.290.0070.05014.57
5.3.280.0030.05014.59
5.3.270.0070.05014.68
5.3.260.0030.06014.56
5.3.250.0070.05314.68
5.3.240.0100.04314.59
5.3.230.0000.05314.57
5.3.220.0000.05314.49
5.3.210.0030.05314.53
5.3.200.0070.04714.61
5.3.190.0100.04314.66
5.3.180.0100.05014.61
5.3.170.0070.04714.57
5.3.160.0030.05014.54
5.3.150.0030.05014.57
5.3.140.0070.04714.64
5.3.130.0070.05014.54
5.3.120.0030.05314.61
5.3.110.0030.05314.52
5.3.100.0100.04714.07
5.3.90.0070.04713.97
5.3.80.0030.05014.00
5.3.70.0030.05013.99
5.3.60.0030.05014.07
5.3.50.0100.04313.83
5.3.40.0030.05014.02
5.3.30.0030.04713.85
5.3.20.0070.05713.58
5.3.10.0100.04013.68
5.3.00.0030.05013.62
5.2.170.0030.04011.05
5.2.160.0070.03711.10
5.2.150.0030.05011.17
5.2.140.0030.04011.09
5.2.130.0100.03311.13
5.2.120.0100.03311.08
5.2.110.0030.04011.08
5.2.100.0030.04011.25
5.2.90.0000.04311.24
5.2.80.0100.03711.10
5.2.70.0070.03711.13
5.2.60.0030.04311.20
5.2.50.0030.04010.97
5.2.40.0070.03710.97
5.2.30.0070.03711.02
5.2.20.0070.04010.92
5.2.10.0000.04010.83
5.2.00.0100.03310.74
5.1.60.0030.03310.13
5.1.50.0070.03010.10
5.1.40.0070.03310.09
5.1.30.0030.03310.44
5.1.20.0000.03710.39
5.1.10.0000.03710.11
5.1.00.0000.03710.18
5.0.50.0000.0338.54
5.0.40.0030.0238.47
5.0.30.0070.0408.24
5.0.20.0000.0278.29
5.0.10.0000.0308.20
5.0.00.0000.0438.17
4.4.90.0100.0135.88
4.4.80.0000.0235.81
4.4.70.0030.0205.88
4.4.60.0030.0205.87
4.4.50.0030.0205.93
4.4.40.0070.0275.85
4.4.30.0030.0205.91
4.4.20.0030.0205.97
4.4.10.0000.0275.93
4.4.00.0000.0335.90
4.3.110.0000.0235.80
4.3.100.0000.0275.82
4.3.90.0000.0205.78
4.3.80.0000.0375.80
4.3.70.0000.0205.76
4.3.60.0030.0175.83
4.3.50.0030.0205.82
4.3.40.0000.0335.77
4.3.30.0000.0234.57
4.3.20.0030.0204.58
4.3.10.0030.0204.52
4.3.00.0100.0207.09

preferences:
59.55 ms | 401 KiB | 5 Q