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]) ? 'b' : 'c', $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)
8.3.70.0140.00418.20
8.3.60.0110.00416.50
8.3.50.0140.00522.12
8.3.40.0100.00719.04
8.3.30.0120.00619.27
8.3.20.0000.00820.16
8.3.10.0070.00023.66
8.3.00.0050.00319.51
8.2.180.0070.01118.66
8.2.170.0150.00022.96
8.2.160.0070.00720.27
8.2.150.0060.00324.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0060.00322.38
8.2.110.0040.00722.42
8.2.100.0090.00318.13
8.2.90.0060.00319.22
8.2.80.0080.00017.97
8.2.70.0030.00617.75
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0040.00418.22
8.2.30.0080.00018.11
8.2.20.0050.00317.90
8.2.10.0000.00818.02
8.2.00.0040.00417.97
8.1.280.0110.00425.92
8.1.270.0040.00423.87
8.1.260.0060.00326.35
8.1.250.0080.00028.09
8.1.240.0030.00724.02
8.1.230.0110.00017.64
8.1.220.0090.00017.74
8.1.210.0090.00318.77
8.1.200.0040.00417.60
8.1.190.0000.00817.55
8.1.180.0040.00418.10
8.1.170.0090.00318.78
8.1.160.0040.00421.90
8.1.150.0040.00418.84
8.1.140.0030.00617.59
8.1.130.0030.00517.87
8.1.120.0000.00717.64
8.1.110.0040.00417.52
8.1.100.0000.00717.63
8.1.90.0040.00417.58
8.1.80.0000.00717.50
8.1.70.0040.00417.57
8.1.60.0000.00917.66
8.1.50.0000.00817.61
8.1.40.0030.00517.70
8.1.30.0030.00517.75
8.1.20.0050.00217.83
8.1.10.0030.00517.75
8.1.00.0040.00417.71
8.0.300.0050.00318.77
8.0.290.0040.00416.75
8.0.280.0030.00318.47
8.0.270.0000.00717.20
8.0.260.0000.00616.86
8.0.250.0000.00717.10
8.0.240.0040.00417.12
8.0.230.0000.00717.07
8.0.220.0040.00416.98
8.0.210.0030.00316.87
8.0.200.0040.00417.07
8.0.190.0000.00817.09
8.0.180.0030.00517.07
8.0.170.0000.00817.02
8.0.160.0040.00416.87
8.0.150.0030.00916.86
8.0.140.0050.00317.00
8.0.130.0030.00313.46
8.0.120.0050.00517.00
8.0.110.0000.00717.06
8.0.100.0040.00416.94
8.0.90.0040.00417.00
8.0.80.0000.01417.08
8.0.70.0040.00416.87
8.0.60.0040.00416.87
8.0.50.0000.00717.14
8.0.30.0090.01117.20
8.0.20.0090.01017.40
8.0.10.0040.00417.02
8.0.00.0160.00516.97
7.4.330.0020.00215.12
7.4.320.0030.00316.81
7.4.300.0070.00016.81
7.4.290.0000.00716.79
7.4.280.0000.00816.83
7.4.270.0040.00416.73
7.4.260.0000.00816.71
7.4.250.0080.00016.77
7.4.240.0020.00716.77
7.4.230.0000.00816.65
7.4.220.0100.01016.70
7.4.210.0070.00716.76
7.4.200.0070.00016.91
7.4.190.0000.00716.85
7.4.160.0120.00916.87
7.4.150.0110.00617.40
7.4.140.0070.01617.86
7.4.130.0110.00616.77
7.4.120.0150.00316.69
7.4.110.0070.01116.62
7.4.100.0130.00716.46
7.4.90.0140.00416.55
7.4.80.0130.00719.39
7.4.70.0140.00316.93
7.4.60.0090.00916.80
7.4.50.0000.00916.61
7.4.40.0120.00622.77
7.4.30.0060.00916.59
7.4.00.0030.01414.91
7.3.330.0060.00013.50
7.3.320.0070.00013.27
7.3.310.0070.00016.42
7.3.300.0070.00016.52
7.3.290.0040.01616.43
7.3.280.0120.00716.45
7.3.270.0070.01017.40
7.3.260.0080.00916.70
7.3.250.0120.00916.52
7.3.240.0120.00916.63
7.3.230.0140.00316.59
7.3.210.0090.00916.89
7.3.200.0110.00719.39
7.3.190.0030.01616.56
7.3.180.0030.01316.70
7.3.170.0060.01216.85
7.3.160.0030.01216.80
7.3.120.0030.01015.16
7.2.330.0080.00816.62
7.2.320.0060.01316.78
7.2.310.0170.00016.78
7.2.300.0080.00816.73
7.2.290.0100.00717.00
7.2.00.0000.01219.80
7.1.100.0030.00918.28
7.1.70.0030.00717.30
7.1.60.0040.02119.33
7.1.50.0230.01334.70
7.1.00.0000.07722.38
7.0.200.0030.00516.97
7.0.140.0100.06721.95
7.0.60.0130.08319.92
7.0.50.0030.05017.91
7.0.40.0070.04720.27
7.0.30.0200.07020.24
7.0.20.0400.07020.11
7.0.10.0030.08720.35
7.0.00.0170.07320.13
5.6.280.0100.06721.05
5.6.210.0100.06020.63
5.6.200.0030.04018.21
5.6.190.0070.06020.34
5.6.180.0130.04320.50
5.6.170.0270.07720.51
5.6.160.0000.06020.56
5.6.150.0030.04018.23
5.6.140.0070.07718.18
5.6.130.0070.08018.29
5.6.120.0100.05020.99
5.6.110.0170.04020.98
5.6.100.0000.06720.97
5.6.90.0000.06321.00
5.6.80.0130.07720.29
5.6.70.3470.03720.41
5.5.350.0030.04320.46
5.5.340.0070.07717.92
5.5.330.0030.07320.13
5.5.320.0200.05020.52
5.5.310.0200.04320.35
5.5.300.0030.04718.04
5.5.290.0070.06317.98
5.5.280.0070.04720.90
5.5.270.0070.08020.86
5.5.260.0070.08720.77
5.5.250.0070.08720.66
5.5.240.0100.07020.32
5.4.450.0000.04019.57
5.4.440.0000.04319.52
5.4.430.0030.03719.40
5.4.420.0000.03719.31
5.4.410.0030.03719.16
5.4.400.0030.04019.09
5.4.390.0000.03719.31
5.4.380.0000.03719.22
5.4.370.0000.04019.06
5.4.360.0000.03719.31
5.4.350.0030.03719.00
5.4.340.0030.04019.23
5.4.320.0000.04019.22
5.4.310.0000.03719.09
5.4.300.0070.03019.15
5.4.290.0030.04018.87
5.4.280.0030.04019.19
5.4.270.0030.05018.98
5.4.260.0070.06319.19
5.4.250.0030.08019.21
5.4.240.0000.08019.22
5.4.230.0000.05319.08
5.4.220.0030.07719.16
5.4.210.0070.04718.98
5.4.200.0100.05319.13
5.4.190.0000.05718.84
5.4.180.0000.08719.14
5.4.170.0030.04719.18
5.4.160.0030.03719.17
5.4.150.0130.06719.18
5.4.140.0000.08016.29
5.4.130.0000.05716.37
5.4.120.0030.04716.45
5.4.110.0070.07016.46
5.4.100.0070.04016.35
5.4.90.0000.06016.45
5.4.80.0030.05016.38
5.4.70.0000.05716.43
5.4.60.0070.06716.25
5.4.50.0000.04716.43
5.4.40.0070.03016.53
5.4.30.0000.07016.53
5.4.20.0000.04716.32
5.4.10.0130.04716.23
5.4.00.0070.05015.96
5.3.290.0030.04014.71
5.3.280.0030.06714.58
5.3.270.0000.04314.71
5.3.260.0030.04014.82
5.3.250.0030.07314.50
5.3.240.0030.05314.59
5.3.230.0030.07014.75
5.3.220.0000.07714.55
5.3.210.0030.05014.57
5.3.200.0000.04014.53
5.3.190.0000.06014.47
5.3.180.0070.07314.79
5.3.170.0030.06714.60
5.3.160.0000.08014.61
5.3.150.0000.04014.63
5.3.140.0030.03714.57
5.3.130.0100.07014.46
5.3.120.0000.07314.56
5.3.110.0000.05714.46
5.3.100.0100.06313.97
5.3.90.0030.04713.94
5.3.80.0030.05013.93
5.3.70.0000.07314.15
5.3.60.0070.07313.98
5.3.50.0030.07013.86
5.3.40.0070.07013.85
5.3.30.0000.07713.98
5.3.20.0070.06013.59
5.3.10.0000.07313.81
5.3.00.0030.04713.80
5.2.170.0030.04711.87
5.2.160.0030.03711.87
5.2.150.0000.07011.87
5.2.140.0100.06011.87
5.2.130.0070.06011.87
5.2.120.0100.05311.87
5.2.110.0000.04311.87
5.2.100.0000.06711.87
5.2.90.0030.03311.87
5.2.80.0030.06311.87
5.2.70.0030.04011.87
5.2.60.0000.05011.87
5.2.50.0030.05711.87
5.2.40.0030.05011.87
5.2.30.0000.05011.87
5.2.20.0030.05011.87
5.2.10.0030.05311.87
5.2.00.0030.05311.87
5.1.60.0000.04311.87
5.1.50.0030.04711.87
5.1.40.0000.05711.87
5.1.30.0030.02711.87
5.1.20.0030.05711.87
5.1.10.0030.03011.87
5.1.00.0030.04011.87
5.0.50.0070.02011.87
5.0.40.0030.04311.87
5.0.30.0070.06311.87
5.0.20.0030.04011.87
5.0.10.0000.02311.87
5.0.00.0030.05011.87
4.4.90.0000.03711.87
4.4.80.0030.03011.87
4.4.70.0000.02711.87
4.4.60.0000.03311.87
4.4.50.0000.03011.87
4.4.40.0000.05011.87
4.4.30.0070.03011.87
4.4.20.0000.03011.87
4.4.10.0000.04011.87
4.4.00.0030.05011.87
4.3.110.0030.03311.87
4.3.100.0000.03711.87
4.3.90.0070.03011.87
4.3.80.0000.04311.87
4.3.70.0000.02711.87
4.3.60.0070.02311.87
4.3.50.0000.03311.87
4.3.40.0030.03711.87
4.3.30.0030.02011.87
4.3.20.0030.03311.87
4.3.10.0000.02011.87
4.3.00.0000.03711.87

preferences:
46.78 ms | 401 KiB | 5 Q