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)
8.3.60.0110.00716.60
8.3.50.0090.00618.06
8.3.40.0110.00418.62
8.3.30.0040.01118.92
8.3.20.0030.00620.35
8.3.10.0040.00421.85
8.3.00.0040.00420.80
8.2.180.0090.00616.75
8.2.170.0150.00022.96
8.2.160.0180.00022.28
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0060.00319.53
8.2.110.0000.00920.27
8.2.100.0040.00717.91
8.2.90.0030.00519.14
8.2.80.0050.00317.97
8.2.70.0090.00017.88
8.2.60.0000.00717.80
8.2.50.0040.00418.07
8.2.40.0030.00519.76
8.2.30.0040.00417.92
8.2.20.0070.00017.76
8.2.10.0000.00818.10
8.2.00.0040.00417.88
8.1.280.0130.00725.92
8.1.270.0030.00618.80
8.1.260.0110.00326.35
8.1.250.0080.00028.09
8.1.240.0090.00023.83
8.1.230.0060.00619.04
8.1.220.0040.00417.76
8.1.210.0000.00818.77
8.1.200.0000.01117.22
8.1.190.0040.00417.48
8.1.180.0050.00218.10
8.1.170.0050.00318.53
8.1.160.0000.00721.96
8.1.150.0000.00718.88
8.1.140.0070.00017.40
8.1.130.0000.00717.88
8.1.120.0030.00317.56
8.1.110.0030.00517.47
8.1.100.0000.00817.58
8.1.90.0050.00317.46
8.1.80.0040.00417.53
8.1.70.0030.00317.59
8.1.60.0000.00817.57
8.1.50.0040.00417.60
8.1.40.0020.00517.56
8.1.30.0090.00017.72
8.1.20.0000.00717.77
8.1.10.0080.00017.55
8.1.00.0040.00717.53
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0050.00218.34
8.0.270.0070.00017.20
8.0.260.0070.00017.21
8.0.250.0000.00717.01
8.0.240.0000.00816.90
8.0.230.0030.00516.96
8.0.220.0000.00616.93
8.0.210.0000.00716.86
8.0.200.0030.00616.94
8.0.190.0030.00316.96
8.0.180.0020.00516.94
8.0.170.0000.00816.88
8.0.160.0000.00917.01
8.0.150.0000.00816.91
8.0.140.0000.00816.89
8.0.130.0080.00013.40
8.0.120.0000.00716.91
8.0.110.0080.00016.89
8.0.100.0060.00317.02
8.0.90.0080.00017.08
8.0.80.0120.00916.88
8.0.70.0040.00416.89
8.0.60.0000.00816.94
8.0.50.0050.00316.92
8.0.30.0120.01116.93
8.0.20.0060.01417.40
8.0.10.0040.00417.10
8.0.00.0090.00916.74
7.4.330.0000.00515.03
7.4.320.0000.00616.68
7.4.300.0060.00016.63
7.4.290.0040.00416.74
7.4.280.0040.00416.58
7.4.270.0030.00316.72
7.4.260.0030.00316.72
7.4.250.0040.00416.64
7.4.240.0050.00216.69
7.4.230.0000.00716.63
7.4.220.0030.02316.61
7.4.210.0000.01416.80
7.4.200.0030.00316.76
7.4.160.0080.00816.58
7.4.150.0190.00317.40
7.4.140.0150.02017.86
7.4.130.0080.00816.69
7.4.120.0060.01016.63
7.4.110.0140.00416.52
7.4.100.0130.01016.59
7.4.90.0070.01016.70
7.4.80.0130.00316.55
7.4.70.0030.01516.70
7.4.60.0030.01316.64
7.4.50.0000.00816.52
7.4.40.0100.01016.51
7.4.30.0060.01216.59
7.4.00.0030.00915.05
7.3.330.0000.00513.20
7.3.320.0000.01113.07
7.3.310.0070.00016.35
7.3.300.0070.00016.27
7.3.290.0060.01116.27
7.3.280.0090.01016.29
7.3.270.0140.00717.40
7.3.260.0130.01016.33
7.3.250.0050.01216.67
7.3.240.0090.01316.37
7.3.230.0100.00716.39
7.3.210.0170.00016.52
7.3.200.0000.01919.39
7.3.190.0130.00316.49
7.3.180.0090.01216.65
7.3.170.0060.01216.31
7.3.160.0060.00916.53
7.3.120.0070.01015.10
7.3.110.0040.00814.66
7.3.100.0070.01314.40
7.3.90.0110.00714.73
7.3.80.0000.01515.21
7.3.70.0130.00314.97
7.3.60.0000.01114.77
7.3.50.0070.00714.89
7.3.40.0100.00714.83
7.3.30.0000.01214.69
7.3.20.0030.01016.66
7.3.10.0080.00416.36
7.3.00.0070.01016.67
7.2.330.0270.01416.66
7.2.320.0110.00816.80
7.2.310.0100.01016.80
7.2.300.0080.00816.64
7.2.290.0060.01016.75
7.2.250.0070.01115.18
7.2.240.0110.00715.09
7.2.230.0060.01215.23
7.2.220.0110.00415.02
7.2.210.0070.00314.98
7.2.200.0030.01215.14
7.2.190.0090.00315.04
7.2.180.0100.00615.04
7.2.170.0030.01315.00
7.2.60.0090.00316.96
7.2.00.0060.00619.37
7.1.330.0090.00615.83
7.1.320.0060.00615.95
7.1.310.0040.01115.68
7.1.300.0030.00715.88
7.1.290.0030.01015.88
7.1.280.0040.00715.84
7.1.270.0100.00315.75
7.1.260.0120.00316.13
7.1.200.0060.00315.88
7.1.100.0070.00718.37
7.1.70.0030.00616.97
7.1.60.0110.01419.46
7.1.50.0110.01117.21
7.1.00.0100.06722.38
7.0.200.0080.00016.88
7.0.140.0030.03722.08
7.0.60.0030.08319.93
7.0.50.0030.04317.89
7.0.40.0130.05320.11
7.0.30.0270.06320.03
7.0.20.0370.07020.10
7.0.10.0070.09020.18
7.0.00.0100.07720.20
5.6.210.0070.04320.51
5.6.200.0100.05718.23
5.6.190.0130.05720.57
5.6.180.4070.04020.61
5.6.170.0300.04720.41
5.6.160.0100.07720.33
5.6.150.0100.07718.14
5.6.140.0030.05718.12
5.6.130.0070.04018.15
5.6.120.0070.08321.04
5.6.110.0030.06021.00
5.6.100.0030.04020.97
5.6.90.0030.04321.11
5.6.80.0170.07720.38
5.6.70.4430.03720.29
5.5.350.0270.05020.37
5.5.340.0170.07317.98
5.5.330.0030.04320.23
5.5.320.0300.03720.18
5.5.310.0330.06720.41
5.5.300.0030.04317.98
5.5.290.0000.04318.02
5.5.280.0100.04020.97
5.5.270.0030.09020.95
5.5.260.0170.06720.87
5.5.250.0100.07020.54
5.5.240.0200.07320.14
5.4.450.0630.06319.50
5.4.440.1000.06319.27
5.4.430.1030.05719.13
5.4.420.0970.05019.59
5.4.410.1070.05019.00
5.4.400.1170.03719.31
5.4.390.0030.05018.72
5.4.380.0000.05718.69
5.4.370.0000.05318.58
5.4.360.0070.04718.52
5.4.350.0030.05718.67
5.4.340.0070.04718.55
5.4.320.0100.04718.55
5.4.310.0130.04318.61
5.4.300.0030.06718.64
5.4.290.0030.06318.63
5.4.280.0030.05318.61
5.4.270.0130.06718.52
5.4.260.0070.05018.69
5.4.250.0030.05318.76
5.4.240.0030.05718.51
5.4.230.0070.07318.47
5.4.220.0200.04318.63
5.4.210.0170.04318.44
5.4.200.0070.04716.77
5.4.190.0070.05018.48
5.4.180.0030.06018.75
5.4.170.0030.05718.59
5.4.160.0070.06318.71
5.4.150.0130.04318.62
5.4.140.0070.05016.15
5.4.130.0070.06016.26
5.4.120.0030.05016.30
5.4.110.0070.06316.25
5.4.100.0100.06016.30
5.4.90.0070.05016.12
5.4.80.0000.05316.14
5.4.70.0070.05016.05
5.4.60.0070.04716.05
5.4.50.0130.04016.22
5.4.40.0070.04716.19
5.4.30.0000.05316.31
5.4.20.0030.05016.18
5.4.10.0000.05016.00
5.4.00.0070.04315.66
5.3.290.0030.05314.66
5.3.280.0030.06014.58
5.3.270.0070.05314.63
5.3.260.0030.05314.49
5.3.250.0030.05314.70
5.3.240.0030.05714.59
5.3.230.0030.05314.58
5.3.220.0070.05314.49
5.3.210.0070.07014.59
5.3.200.0130.04314.45
5.3.190.0070.05014.58
5.3.180.0100.04714.65
5.3.170.0030.05014.51
5.3.160.0070.04714.57
5.3.150.0030.06014.63
5.3.140.0000.06014.51
5.3.130.0130.04714.65
5.3.120.0100.04714.54
5.3.110.0070.05314.52
5.3.100.0070.06314.09
5.3.90.0030.06013.97
5.3.80.0100.04714.10
5.3.70.0030.05714.00
5.3.60.0070.04714.04
5.3.50.0100.04314.03
5.3.40.0070.04713.97
5.3.30.0070.05013.89
5.3.20.0070.05713.68
5.3.10.0070.04313.68
5.3.00.0100.05713.72
5.2.170.0000.04711.27
5.2.160.0030.04311.14
5.2.150.0100.03711.29
5.2.140.0000.04311.19
5.2.130.0000.04311.08
5.2.120.0070.03711.14
5.2.110.0030.04011.01
5.2.100.0070.04011.09
5.2.90.0000.05011.10
5.2.80.0030.04011.15
5.2.70.0000.04711.23
5.2.60.0030.04310.96
5.2.50.0000.04311.01
5.2.40.0000.04310.92
5.2.30.0000.04311.00
5.2.20.0000.04311.01
5.2.10.0000.04310.95
5.2.00.0100.04010.72
5.1.60.0030.0339.98
5.1.50.0030.03710.12
5.1.40.0070.0309.95
5.1.30.0100.02710.31
5.1.20.0000.05310.32
5.1.10.0070.03010.10
5.1.00.0030.03710.20
5.0.50.0030.0278.64
5.0.40.0030.0338.48
5.0.30.0030.0508.28
5.0.20.0000.0308.23
5.0.10.0000.0308.20
5.0.00.0030.0408.13
4.4.90.0000.0235.92
4.4.80.0000.0235.81
4.4.70.0000.0235.84
4.4.60.0070.0175.89
4.4.50.0070.0175.95
4.4.40.0030.0335.91
4.4.30.0000.0235.90
4.4.20.0000.0235.91
4.4.10.0070.0175.95
4.4.00.0000.0435.97
4.3.110.0000.0235.83
4.3.100.0000.0205.79
4.3.90.0000.0205.77
4.3.80.0000.0335.90
4.3.70.0000.0205.87
4.3.60.0000.0205.80
4.3.50.0030.0205.82
4.3.40.0030.0305.76
4.3.30.0030.0204.60
4.3.20.0030.0204.65
4.3.10.0000.0234.61
4.3.00.0300.04014.46

preferences:
60.22 ms | 400 KiB | 5 Q