3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "Foo *Bar\* asdf* Baz"; var_dump(preg_replace_callback('{\*([\\\*]*[^\*]+)\*?}', function($matches) { var_dump($matches); return "<b>{$matches[1]}</b>"; }, $str));

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)
8.3.60.0130.00616.88
8.3.50.0100.00916.84
8.3.40.0070.01419.09
8.3.30.0150.00019.09
8.3.20.0040.00418.90
8.3.10.0060.00320.77
8.3.00.0050.00319.50
8.2.180.0220.00016.50
8.2.170.0130.00322.96
8.2.160.0150.00020.94
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0000.00721.15
8.2.110.0030.00621.07
8.2.100.0060.00617.97
8.2.90.0030.00819.59
8.2.80.0000.00719.43
8.2.70.0080.00017.88
8.2.60.0080.00018.16
8.2.50.0040.00418.07
8.2.40.0000.00718.28
8.2.30.0000.00818.16
8.2.20.0040.00419.70
8.2.10.0000.00817.95
8.2.00.0030.00618.02
8.1.280.0110.01125.92
8.1.270.0040.00423.99
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00322.65
8.1.230.0070.00420.88
8.1.220.0000.00817.74
8.1.210.0050.00318.91
8.1.200.0040.00817.47
8.1.190.0000.00717.63
8.1.180.0040.00418.10
8.1.170.0040.00418.91
8.1.160.0060.00319.05
8.1.150.0050.00318.73
8.1.140.0000.00817.54
8.1.130.0030.00317.96
8.1.120.0030.00717.61
8.1.110.0000.00717.63
8.1.100.0040.00417.53
8.1.90.0040.00417.60
8.1.80.0030.00417.65
8.1.70.0030.00317.58
8.1.60.0030.00617.61
8.1.50.0020.00517.60
8.1.40.0080.00017.71
8.1.30.0080.00017.79
8.1.20.0080.00017.71
8.1.10.0000.00817.81
8.1.00.0000.00817.68
8.0.300.0030.00519.77
8.0.290.0070.00016.75
8.0.280.0040.00418.51
8.0.270.0040.00417.27
8.0.260.0030.00318.45
8.0.250.0050.00317.00
8.0.240.0040.00417.04
8.0.230.0000.00717.01
8.0.220.0000.00717.12
8.0.210.0030.00316.99
8.0.200.0030.00517.13
8.0.190.0040.00416.93
8.0.180.0000.00717.04
8.0.170.0000.01016.82
8.0.160.0040.00417.10
8.0.150.0060.00317.04
8.0.140.0070.00316.91
8.0.130.0030.00313.39
8.0.120.0000.00817.09
8.0.110.0080.00016.98
8.0.100.0050.00517.21
8.0.90.0000.00717.05
8.0.80.0140.00317.10
8.0.70.0000.00717.17
8.0.60.0050.00217.14
8.0.50.0040.00416.95
8.0.30.0100.01017.26
8.0.20.0130.00617.13
8.0.10.0070.00017.17
8.0.00.0120.01116.85
7.4.330.0000.00513.16
7.4.320.0070.00016.88
7.4.300.0030.00316.86
7.4.290.0060.00316.82
7.4.280.0000.01016.64
7.4.270.0070.00016.80
7.4.260.0030.00313.56
7.4.250.0000.00816.80
7.4.240.0000.00716.88
7.4.230.0030.00316.78
7.4.220.0090.01116.87
7.4.210.0030.01716.88
7.4.200.0000.00716.97
7.4.190.0070.00016.97
7.4.160.0110.00516.72
7.4.150.0060.01216.73
7.4.140.0060.01116.50
7.4.130.0090.00916.86
7.4.120.0060.01216.73
7.4.110.0070.01016.77
7.4.100.0090.00916.66
7.4.90.0180.00016.58
7.4.80.0120.00919.39
7.4.70.0000.01816.78
7.4.60.0130.00316.84
7.4.50.0000.00816.88
7.4.40.0060.00616.59
7.4.30.0060.00916.64
7.4.00.0100.00715.26
7.3.330.0030.00313.27
7.3.320.0080.00013.25
7.3.310.0030.00316.32
7.3.300.0000.00716.40
7.3.290.0060.01016.38
7.3.280.0120.00716.40
7.3.270.0080.00816.74
7.3.260.0070.01716.38
7.3.250.0120.00916.45
7.3.240.0140.00316.58
7.3.230.0100.00716.52
7.3.210.0050.01116.88
7.3.200.0140.00716.42
7.3.190.0040.01516.40
7.3.180.0030.01316.59
7.3.170.0100.01016.41
7.3.160.0140.00316.70
7.3.120.0070.00314.81
7.2.330.0110.00616.67
7.2.320.0150.00316.95
7.2.310.0080.01216.62
7.2.300.0080.01616.83
7.2.290.0130.00416.75
7.2.00.0080.00519.70
7.1.100.0090.00318.59
7.1.70.0000.00917.38
7.1.60.0060.01819.30
7.1.50.0140.00717.13
7.1.00.0000.07722.45
7.0.200.0000.00916.53
7.0.140.0030.07322.08
7.0.120.0000.03322.03
7.0.60.0070.07721.82
7.0.50.0070.08717.87
7.0.40.0070.04020.23
7.0.30.0370.08720.23
7.0.20.0200.06320.14
7.0.10.0100.04720.27
7.0.00.0070.04020.08
5.6.280.0000.07721.13
5.6.210.0070.08020.48
5.6.200.0130.07318.19
5.6.190.0130.07020.77
5.6.180.0270.07320.65
5.6.170.0200.08320.61
5.6.160.0030.04720.43
5.6.150.0070.08018.16
5.6.140.0100.07718.15
5.6.130.0070.08318.15
5.6.120.0100.06721.14
5.6.110.0030.04321.14
5.6.100.0070.07721.11
5.6.90.0070.04021.00
5.6.80.0070.05320.39
5.5.350.0000.08720.36
5.5.340.0000.04017.95
5.5.330.0070.08320.25
5.5.320.0270.07320.38
5.5.310.0300.04720.37
5.5.300.0000.05717.95
5.5.290.0000.05717.96
5.5.280.0130.07720.66
5.5.270.0100.08320.98
5.5.260.0130.07720.61
5.5.250.0030.06020.66
5.5.240.0200.07020.19
5.4.450.0030.06319.44
5.4.440.0170.08019.53
5.4.430.0170.06719.56
5.4.420.0000.07719.55
5.4.410.0000.04319.34
5.4.400.0070.03319.01
5.4.390.0030.05019.08
5.4.380.0070.07719.14
5.4.370.0070.05319.25
5.4.360.0030.06318.98
5.4.350.0030.07719.15
5.4.340.0030.08318.93
5.4.320.0030.08718.93
5.4.310.0130.07019.24
5.4.300.0070.04319.14
5.4.290.0030.08319.00
5.4.280.0070.08018.85
5.4.270.0070.07719.14
5.4.260.0070.03719.24
5.4.250.0030.04719.14
5.4.240.0130.05719.11
5.4.230.0070.07018.91
5.4.220.0000.07018.91
5.4.210.0100.06719.14
5.4.200.0070.08019.14
5.4.190.0030.04018.84
5.4.180.0070.07318.86
5.4.170.0100.07019.23
5.4.160.0030.07319.22
5.4.150.0030.08019.14
5.4.140.0070.05316.42
5.4.130.0170.06016.36
5.4.120.0030.05716.30
5.4.110.0100.03716.46
5.4.100.0070.03716.43
5.4.90.0170.02316.44
5.4.80.0030.03716.43
5.4.70.0030.03316.32
5.4.60.0070.03316.51
5.4.50.0000.03716.36
5.4.40.0030.04316.25
5.4.30.0070.03016.34
5.4.20.0070.03716.38
5.4.10.0070.03716.30
5.4.00.0070.03315.75
5.3.290.0030.07714.69
5.3.280.0070.07714.59
5.3.270.0100.07714.60
5.3.260.0030.07714.61
5.3.250.0100.05714.63
5.3.240.0030.08014.60
5.3.230.0130.04314.63
5.3.220.0000.04014.71
5.3.210.0070.03714.55
5.3.200.0030.03714.57
5.3.190.0000.04014.56
5.3.180.0070.03314.69
5.3.170.0070.03314.61
5.3.160.0000.03714.55
5.3.150.0030.04014.70
5.3.140.0030.03314.57
5.3.130.0030.04314.43
5.3.120.0000.04014.55
5.3.110.0000.04014.59
5.3.100.0000.04014.05
5.3.90.0000.03714.05
5.3.80.0000.04014.07
5.3.70.0000.04014.07
5.3.60.0030.03314.04
5.3.50.0000.04013.91
5.3.40.0170.03013.87
5.3.30.0030.04014.05
5.3.20.0000.03713.69
5.3.10.0070.03313.54
5.3.00.0030.03313.69
5.2.170.0030.02711.30
5.2.160.0070.02311.00
5.2.150.0000.03011.08
5.2.140.0000.03011.12
5.2.130.0030.03010.93
5.2.120.0070.02710.95
5.2.110.0030.03010.98
5.2.100.0070.02711.04
5.2.90.0000.03010.98
5.2.80.0000.03011.00
5.2.70.0030.03011.12
5.2.60.0030.02711.05
5.2.50.0070.03011.00
5.2.40.0030.02710.98
5.2.30.0000.03010.95
5.2.20.0030.02711.04
5.2.10.0030.02710.89
5.2.00.0030.02710.76
5.1.60.0000.02310.04
5.1.50.0070.0209.97
5.1.40.0030.0379.96
5.1.30.0070.04310.33
5.1.20.0070.05310.35
5.1.10.0000.03310.14
5.1.00.0000.06010.06
5.0.50.0000.0408.59
5.0.40.0070.0178.36
5.0.30.0030.0638.27
5.0.20.0030.0238.21
5.0.10.0030.0408.21
5.0.00.0000.0378.12
4.4.90.0000.0137.02
4.4.80.0000.0137.02
4.4.70.0000.0177.02
4.4.60.0000.0177.02
4.4.50.0030.0107.02
4.4.40.0030.0207.02
4.4.30.0030.0137.02
4.4.20.0100.0137.02
4.4.10.0000.0177.02
4.4.00.0000.0307.02
4.3.110.0000.0177.02
4.3.100.0030.0137.02
4.3.90.0000.0337.02
4.3.80.0100.0437.02
4.3.70.0000.0337.02
4.3.60.0030.0277.02
4.3.50.0070.0307.02
4.3.40.0000.0437.02
4.3.30.0030.0337.02
4.3.20.0000.0237.02
4.3.10.0030.0377.02
4.3.00.0070.0207.02

preferences:
38.91 ms | 401 KiB | 5 Q