3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ['foo' => [5 => 'bar', 10 => 'baz']]; $match = 'foo.{key}.bar'; $pattern = '/'.preg_replace('/\{(\w+?)\}/', '(.+)', str_replace('.', '\.', $match)).'/'; if (preg_match($pattern, $match, $matches)) { var_dump($match); }

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)
8.3.60.0140.00418.28
8.3.50.0110.00822.17
8.3.40.0130.00318.96
8.3.30.0070.00719.00
8.3.20.0000.00820.30
8.3.10.0040.00422.09
8.3.00.0080.00022.33
8.2.180.0090.00617.00
8.2.170.0150.00322.96
8.2.160.0030.01020.88
8.2.150.0050.00324.18
8.2.140.0060.00324.66
8.2.130.0090.00626.16
8.2.120.0080.00019.61
8.2.110.0090.00022.27
8.2.100.0100.00517.91
8.2.90.0040.00419.21
8.2.80.0030.00617.97
8.2.70.0060.00317.75
8.2.60.0030.00617.80
8.2.50.0090.00018.07
8.2.40.0000.00818.28
8.2.30.0000.00717.99
8.2.20.0070.00017.85
8.2.10.0000.00717.92
8.2.00.0000.00717.95
8.1.280.0140.00725.92
8.1.270.0060.00318.73
8.1.260.0000.00726.35
8.1.250.0000.00728.09
8.1.240.0000.00823.86
8.1.230.0060.00618.97
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0080.00017.39
8.1.180.0040.00418.10
8.1.170.0050.00318.72
8.1.160.0000.00722.14
8.1.150.0040.00418.66
8.1.140.0040.00417.59
8.1.130.0000.00817.77
8.1.120.0040.00417.57
8.1.110.0070.00017.49
8.1.100.0040.00417.64
8.1.90.0000.00717.64
8.1.80.0000.00817.49
8.1.70.0070.00017.57
8.1.60.0030.00517.77
8.1.50.0000.00817.63
8.1.40.0040.00417.69
8.1.30.0030.00617.86
8.1.20.0000.00817.80
8.1.10.0050.00317.68
8.1.00.0000.00717.64
8.0.300.0000.00718.77
8.0.290.0040.00417.18
8.0.280.0030.00318.54
8.0.270.0030.00317.32
8.0.260.0000.00816.95
8.0.250.0030.00317.09
8.0.240.0090.00017.09
8.0.230.0040.00417.12
8.0.220.0000.00716.92
8.0.210.0030.00316.92
8.0.200.0000.00816.96
8.0.190.0040.00417.00
8.0.180.0000.00717.09
8.0.170.0000.00716.96
8.0.160.0040.00416.91
8.0.150.0030.00317.04
8.0.140.0000.00816.98
8.0.130.0030.00313.43
8.0.120.0040.00416.83
8.0.110.0040.00416.96
8.0.100.0040.00416.99
8.0.90.0080.00017.07
8.0.80.0080.00816.91
8.0.70.0000.00817.01
8.0.60.0040.00417.09
8.0.50.0070.00016.92
8.0.30.0090.00916.96
8.0.20.0150.00417.40
8.0.10.0040.00416.98
8.0.00.0080.01116.90
7.4.330.0050.00015.00
7.4.320.0000.00716.51
7.4.300.0030.00316.59
7.4.290.0070.00016.73
7.4.280.0050.00316.74
7.4.270.0090.00016.74
7.4.260.0060.00316.76
7.4.250.0030.00316.51
7.4.240.0040.00416.73
7.4.230.0040.00416.50
7.4.220.0060.01216.58
7.4.210.0100.00516.64
7.4.200.0030.00316.78
7.4.190.0070.00016.61
7.4.160.0110.00416.66
7.4.150.0070.01017.40
7.4.140.0120.00617.86
7.4.130.0150.00316.80
7.4.120.0110.00616.70
7.4.110.0070.01116.72
7.4.100.0090.00916.60
7.4.90.0030.01316.71
7.4.80.0180.00919.39
7.4.70.0140.00916.67
7.4.60.0060.01116.52
7.4.50.0060.00016.43
7.4.40.0080.00522.77
7.4.30.0110.00516.57
7.4.00.0070.01014.72
7.3.330.0030.00313.14
7.3.320.0030.00313.18
7.3.310.0070.00016.39
7.3.300.0070.00016.26
7.3.290.0030.01616.40
7.3.280.0050.01016.36
7.3.270.0120.00617.40
7.3.260.0030.01416.58
7.3.250.0070.01016.49
7.3.240.0100.01316.69
7.3.230.0150.00616.39
7.3.210.0160.00016.52
7.3.200.0040.01819.39
7.3.190.0160.00816.57
7.3.180.0130.00616.82
7.3.170.0140.00816.62
7.3.160.0140.00516.35
7.3.120.0070.00314.89
7.2.330.0110.00616.73
7.2.320.0110.00616.57
7.2.310.0100.00616.48
7.2.300.0080.00816.67
7.2.290.0030.01716.71
7.1.70.0130.00816.98
7.1.60.0150.00319.82
7.1.50.0100.01417.04
7.1.00.0070.07322.38
7.0.200.0070.00016.77
7.0.140.0030.07322.04
7.0.60.0100.08019.84
7.0.50.0030.07317.75
7.0.40.0100.08720.02
7.0.30.0300.05320.14
7.0.20.0230.05320.18
7.0.10.0200.05720.03
7.0.00.0100.06020.20
5.6.280.0030.07321.02
5.6.210.0070.06320.51
5.6.200.0030.04018.19
5.6.190.0100.06320.49
5.6.180.3170.04320.33
5.6.170.0300.05020.51
5.6.160.0070.04720.40
5.6.150.0070.03318.16
5.6.140.0030.06718.15
5.6.130.0030.05318.18
5.6.120.0030.06021.02
5.6.110.0130.07721.02
5.6.100.0100.07321.10
5.6.90.0000.08021.00
5.6.80.0070.03720.47
5.6.70.4500.04020.49
5.5.350.0030.07320.41
5.5.340.0030.03717.92
5.5.330.0100.07320.21
5.5.320.0130.04320.27
5.5.310.0200.03720.32
5.5.300.0030.04317.95
5.5.290.0130.04717.98
5.5.280.0100.06720.68
5.5.270.0130.07320.83
5.5.260.0000.04320.79
5.5.250.0000.08720.70
5.5.240.0030.07020.25
5.4.450.0700.05019.63
5.4.440.0730.05319.58
5.4.430.0200.04319.25
5.4.420.0200.04719.68
5.4.410.0100.05319.38
5.4.400.1370.00018.55
5.4.390.1730.00018.66
5.4.380.0170.06318.53
5.4.370.0270.05018.74
5.4.360.0100.06318.76
5.4.350.0230.05018.57
5.4.340.0270.04718.77
5.4.320.0080.03712.45
5.4.310.0100.04212.45
5.4.300.0110.03912.46
5.4.290.0060.05212.45
5.4.280.0090.03812.35
5.4.270.0100.05318.70
5.4.260.0130.04719.01
5.4.250.0070.06719.01
5.4.240.0000.06318.73
5.4.230.0130.05318.92
5.4.220.0070.06018.80
5.4.210.0100.05018.64
5.4.200.0100.06018.83
5.4.190.0100.07318.79
5.4.180.0130.06318.72
5.4.170.0200.07318.93
5.4.160.0130.05318.79
5.4.150.0230.07018.82
5.4.140.0070.05016.24
5.4.130.0170.04016.28
5.4.120.0030.05316.24
5.4.110.0070.05716.34
5.4.100.0170.05716.44
5.4.90.0130.05016.47
5.4.80.0100.04716.24
5.4.70.0070.05016.37
5.4.60.0100.05316.44
5.4.50.0100.04716.38
5.4.40.0070.04716.37
5.4.30.0200.04016.32
5.4.20.0200.05716.20
5.4.10.0170.07016.20
5.4.00.0100.05715.70
5.3.290.0040.04512.80
5.3.280.0130.06314.60
5.3.270.0170.06014.76
5.3.260.0230.05014.53
5.3.250.0170.06014.63
5.3.240.0000.06014.62
5.3.230.0170.04314.60
5.3.220.0130.04314.34
5.3.210.0170.04314.50
5.3.200.0070.05314.57
5.3.190.0000.05714.63
5.3.180.0100.06714.56
5.3.170.0100.04714.66
5.3.160.0070.07014.42
5.3.150.0070.05014.58
5.3.140.0130.04714.56
5.3.130.0070.05714.40
5.3.120.0030.05714.39
5.3.110.0070.05314.56
5.3.100.0130.04713.93
5.3.90.0130.05014.04
5.3.80.0200.05713.94
5.3.70.0070.05014.11
5.3.60.0130.04714.01
5.3.50.0170.04713.96
5.3.40.0130.05714.10
5.3.30.0130.04713.96
5.3.20.0130.05013.39
5.3.10.0130.04713.74
5.3.00.0070.06013.33
5.2.170.0070.04011.23
5.2.160.0000.04711.16
5.2.150.0070.04011.06
5.2.140.0070.04311.29
5.2.130.0030.05311.11
5.2.120.0130.04311.10
5.2.110.0100.04011.01
5.2.100.0100.04011.10
5.2.90.0070.05311.19
5.2.80.0130.05011.01
5.2.70.0100.05711.09
5.2.60.0070.04011.05
5.2.50.0170.04310.94
5.2.40.0070.05710.75
5.2.30.0170.04710.86
5.2.20.0070.04010.97
5.2.10.0130.04011.04
5.2.00.0130.04710.63
5.1.60.0070.03710.07
5.1.50.0070.03710.02
5.1.40.0100.03310.21
5.1.30.0130.03310.17
5.1.20.0000.04010.43
5.1.10.0070.04710.13
5.1.00.0070.0339.98
5.0.50.0100.0338.48
5.0.40.0000.0308.43
5.0.30.0000.0478.45
5.0.20.0030.0278.02
5.0.10.0030.0308.16
5.0.00.0000.0438.39
4.4.90.0030.0207.59
4.4.80.0000.0237.59
4.4.70.0000.0277.59
4.4.60.0130.0207.59
4.4.50.0130.0137.59
4.4.40.0000.0407.59
4.4.30.0070.0277.59
4.4.20.0070.0307.59
4.4.10.0070.0237.59
4.4.00.0000.0477.59
4.3.110.0000.0237.59
4.3.100.0070.0177.59
4.3.90.0070.0177.59
4.3.80.0000.0337.59
4.3.70.0030.0277.59
4.3.60.0130.0137.59
4.3.50.0030.0207.59
4.3.40.0030.0337.59
4.3.30.0070.0177.59
4.3.20.0070.0177.59
4.3.10.0000.0237.59
4.3.00.0130.0177.73

preferences:
39.89 ms | 401 KiB | 5 Q