3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'abc<abc>abc>'; $str = preg_replace_callback('/(<)[^>]++>|[^<]++|.++/', function ($m) { return str_replace('a', isset($m[1]) ? 'c' : 'b', $m[0]); }, $str); echo $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)
8.3.60.0150.00618.43
8.3.50.0140.00522.10
8.3.40.0060.00919.10
8.3.30.0130.00318.98
8.3.20.0000.00818.98
8.3.10.0040.00421.05
8.3.00.0080.00023.51
8.2.180.0150.00625.92
8.2.170.0040.01119.09
8.2.160.0100.00322.96
8.2.150.0140.00325.66
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00021.23
8.2.110.0070.00420.58
8.2.100.0040.00817.91
8.2.90.0050.00319.20
8.2.80.0000.00817.97
8.2.70.0000.00817.75
8.2.60.0000.01117.89
8.2.50.0000.00818.07
8.2.40.0050.00318.22
8.2.30.0050.00520.00
8.2.20.0040.00417.87
8.2.10.0040.00417.90
8.2.00.0040.00417.90
8.1.280.0070.00725.92
8.1.270.0070.00024.66
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00622.44
8.1.230.0100.00021.03
8.1.220.0040.00418.77
8.1.210.0000.00819.10
8.1.200.0040.00417.60
8.1.190.0070.00017.54
8.1.180.0050.00318.10
8.1.170.0000.00818.72
8.1.160.0050.00318.91
8.1.150.0040.00418.80
8.1.140.0070.00017.51
8.1.130.0030.00317.86
8.1.120.0050.00217.58
8.1.110.0030.00517.52
8.1.100.0040.00417.64
8.1.90.0040.00417.66
8.1.80.0050.00317.63
8.1.70.0030.00317.54
8.1.60.0040.00417.69
8.1.50.0040.00417.68
8.1.40.0000.00917.68
8.1.30.0040.00417.64
8.1.20.0000.00817.63
8.1.10.0000.00817.75
8.1.00.0070.00417.71
8.0.300.0040.00420.07
8.0.290.0050.00217.05
8.0.280.0030.00318.41
8.0.270.0000.00717.27
8.0.260.0000.00716.85
8.0.250.0000.00817.11
8.0.240.0060.00616.97
8.0.230.0000.00717.02
8.0.220.0020.00517.01
8.0.210.0030.00316.99
8.0.200.0030.00316.98
8.0.190.0050.00217.13
8.0.180.0090.00016.94
8.0.170.0000.00717.09
8.0.160.0040.00416.97
8.0.150.0030.00516.98
8.0.140.0040.00417.00
8.0.130.0000.00513.50
8.0.120.0040.00416.90
8.0.110.0030.00316.97
8.0.100.0080.00017.04
8.0.90.0040.00416.98
8.0.80.0080.00816.98
8.0.70.0000.00816.87
8.0.60.0000.00716.94
8.0.50.0000.00716.87
8.0.30.0090.01517.26
8.0.20.0110.00817.40
8.0.10.0070.00017.11
8.0.00.0070.01317.06
7.4.330.0060.00015.10
7.4.320.0030.00316.70
7.4.300.0030.00316.72
7.4.290.0040.00416.81
7.4.280.0040.00416.70
7.4.270.0030.00316.77
7.4.260.0000.00513.49
7.4.250.0030.00516.76
7.4.240.0080.00016.77
7.4.230.0000.00716.83
7.4.220.0170.00616.80
7.4.210.0100.00616.78
7.4.200.0000.00716.91
7.4.190.0040.00416.98
7.4.160.0120.00616.79
7.4.150.0060.01217.40
7.4.140.0140.00517.86
7.4.130.0150.00616.78
7.4.120.0100.00916.85
7.4.110.0070.01016.58
7.4.100.0130.01016.84
7.4.90.0090.01316.57
7.4.80.0070.01119.37
7.4.70.0080.00816.78
7.4.60.0160.00416.51
7.4.50.0060.00016.48
7.4.40.0000.01922.27
7.4.30.0070.01016.82
7.4.00.0100.00615.36
7.3.330.0030.00313.47
7.3.320.0050.00213.38
7.3.310.0030.00316.41
7.3.300.0000.00716.50
7.3.290.0070.01016.49
7.3.280.0090.00716.45
7.3.270.0030.01417.40
7.3.260.0090.00918.24
7.3.250.0120.00816.61
7.3.240.0080.00816.66
7.3.230.0090.00616.57
7.3.210.0090.01316.79
7.3.200.0030.01519.39
7.3.190.0110.00916.62
7.3.180.0120.00416.50
7.3.170.0060.00916.47
7.3.160.0070.01016.72
7.3.120.0080.00815.29
7.2.330.0100.00716.79
7.2.320.0060.01216.76
7.2.310.0120.00617.00
7.2.300.0030.01316.84
7.2.290.0040.01316.79
7.2.80.0080.00416.59
7.2.60.0030.01416.94
7.2.00.0000.01419.64
7.1.200.0050.00415.95
7.1.100.0000.00918.04
7.1.70.0000.00817.35
7.1.60.0100.01619.40
7.1.50.0180.00716.97
7.1.00.0100.07022.42
7.0.200.0000.00817.01
7.0.140.0030.07322.07
7.0.60.0000.04319.95
7.0.50.0100.07717.90
7.0.40.0070.05017.82
7.0.30.0170.07717.71
7.0.20.0030.05017.72
7.0.10.0130.04317.75
7.0.00.0100.05717.83
5.6.280.0000.07721.10
5.6.210.0030.08320.66
5.6.200.0100.08018.16
5.6.190.0100.06318.18
5.6.180.0070.08018.25
5.6.170.0070.08718.25
5.6.160.0100.07718.16
5.6.150.0000.05718.29
5.6.140.0030.04718.29
5.6.130.0030.04318.28
5.6.120.0000.09018.29
5.6.110.0070.08018.14
5.6.100.0000.04718.29
5.6.90.0130.07018.17
5.6.80.0030.06717.66
5.6.70.0030.04717.54
5.6.60.0070.07317.52
5.6.50.0100.04017.53
5.6.40.0100.07317.48
5.6.30.0070.04717.48
5.6.20.0070.06017.57
5.6.10.0100.08017.46
5.6.00.0130.05317.58
5.5.350.0300.06020.41
5.5.340.0100.08017.97
5.5.330.0030.04718.09
5.5.320.0070.04317.93
5.5.310.0070.08017.98
5.5.300.0030.05017.95
5.5.290.0030.04318.07
5.5.280.0030.05317.92
5.5.270.0030.06017.97
5.5.260.0030.05017.92
5.5.250.0100.07017.77
5.5.240.0130.07317.46
5.5.230.0070.08017.46
5.5.220.0030.07317.31
5.5.210.0070.08017.46
5.5.200.0200.06017.35
5.5.190.0100.07717.28
5.5.180.0030.05017.40
5.5.160.0070.06317.34
5.5.150.0030.04717.34
5.5.140.0130.07717.31
5.5.130.0070.06017.36
5.5.120.0100.07317.27
5.5.110.0100.04317.36
5.5.100.0100.07017.23
5.5.90.0070.05717.23
5.5.80.0000.05317.29
5.5.70.0070.04317.24
5.5.60.0030.07717.23
5.5.50.0000.04317.22
5.5.40.0100.05317.20
5.5.30.0100.06317.19
5.5.20.0130.07317.25
5.5.10.0100.03317.22
5.5.00.0030.04017.22
5.4.450.0070.04719.44
5.4.440.0070.04319.34
5.4.430.0070.05319.36
5.4.420.0130.05719.37
5.4.410.0030.05719.32
5.4.400.0100.04318.89
5.4.390.0200.06319.03
5.4.380.0070.08019.10
5.4.370.0070.07719.05
5.4.360.0000.08019.27
5.4.350.0070.07319.01
5.4.340.0070.03719.11
5.4.320.0070.06018.89
5.4.310.0070.04719.01
5.4.300.0030.06019.14
5.4.290.0100.04719.02
5.4.280.0100.07319.11
5.4.270.0030.04718.97
5.4.260.0070.07719.03
5.4.250.0070.08019.09
5.4.240.0130.07019.04
5.4.230.0100.04319.04
5.4.220.0030.05719.00
5.4.210.0070.07019.12
5.4.200.0070.04719.09
5.4.190.0030.07719.04
5.4.180.0070.04719.02
5.4.170.0130.03719.01
5.4.160.0030.05719.12
5.4.150.0070.06719.07
5.4.140.0130.06316.38
5.4.130.0000.08016.39
5.4.120.0100.03716.24
5.4.110.0100.06016.23
5.4.100.0070.06716.32
5.4.90.0130.04016.38
5.4.80.0100.04316.52
5.4.70.0030.03716.37
5.4.60.0100.03316.28
5.4.50.0130.04316.43
5.4.40.0030.05016.41
5.4.30.0030.04716.45
5.4.20.0100.03016.39
5.4.10.0030.07716.46
5.4.00.0130.06315.75
5.3.290.0130.06314.71
5.3.280.0130.04714.59
5.3.270.0070.08014.71
5.3.260.0130.07314.64
5.3.250.0000.05714.68
5.3.240.0170.04314.63
5.3.230.0100.04714.66
5.3.220.0070.05714.57
5.3.210.0070.08014.52
5.3.200.0130.05714.56
5.3.190.0030.05014.60
5.3.180.0070.04014.52
5.3.170.0100.03314.59
5.3.160.0000.08314.60
5.3.150.0030.06714.62
5.3.140.0100.06314.55
5.3.130.0100.07714.54
5.3.120.0100.06014.57
5.3.110.0070.06014.57
5.3.100.0070.07314.07
5.3.90.0070.07314.03
5.3.80.0030.07714.03
5.3.70.0030.08314.05
5.3.60.0000.06714.00
5.3.50.0070.04013.84
5.3.40.0130.04013.93
5.3.30.0170.06013.98
5.3.20.0070.07013.74
5.3.10.0100.07013.64
5.3.00.0200.06313.48
5.2.170.0030.06711.07
5.2.160.0000.06711.13
5.2.150.0030.06311.11
5.2.140.0030.04011.12
5.2.130.0070.05311.00
5.2.120.0030.06311.07
5.2.110.0000.07011.26
5.2.100.0000.06010.99
5.2.90.0100.05711.12
5.2.80.0100.06010.93
5.2.70.0130.05711.11
5.2.60.0070.02711.01
5.2.50.0000.04011.02
5.2.40.0200.04710.89
5.2.30.0000.06710.89
5.2.20.0030.05710.86
5.2.10.0130.04310.88
5.2.00.0100.05710.73
5.1.60.0000.0579.93
5.1.50.0000.05310.02
5.1.40.0030.0379.96
5.1.30.0070.05310.36
5.1.20.0100.04310.38
5.1.10.0030.04010.08
5.1.00.0070.05010.05
5.0.50.0030.0479.59
5.0.40.0030.0439.59
5.0.30.0030.0639.59
5.0.20.0070.0379.59
5.0.10.0000.0309.59
5.0.00.0000.0679.59
4.4.90.0000.0209.59
4.4.80.0030.0379.59
4.4.70.0030.0339.59
4.4.60.0000.0339.59
4.4.50.0000.0309.59
4.4.40.0000.0579.59
4.4.30.0070.0309.59
4.4.20.0000.0279.59
4.4.10.0030.0379.59
4.4.00.0000.0579.59
4.3.110.0030.0339.59
4.3.100.0000.0379.59
4.3.90.0070.0279.59
4.3.80.0000.0579.59
4.3.70.0070.0309.59
4.3.60.0000.0239.59
4.3.50.0030.0309.59
4.3.40.0030.0279.59
4.3.30.0030.0279.59
4.3.20.0000.0209.59
4.3.10.0000.0179.59
4.3.00.0030.0309.59

preferences:
40.88 ms | 401 KiB | 5 Q