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)
8.3.60.0070.00718.43
8.3.50.0100.00722.18
8.3.40.0000.01519.13
8.3.30.0080.00619.22
8.3.20.0000.00720.34
8.3.10.0000.00822.15
8.3.00.0000.00822.33
8.2.180.0060.01218.66
8.2.170.0070.01022.96
8.2.160.0000.01919.08
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0090.00026.16
8.2.120.0110.00017.63
8.2.110.0070.00321.25
8.2.100.0040.00817.91
8.2.90.0030.00619.35
8.2.80.0060.00317.97
8.2.70.0040.00417.88
8.2.60.0080.00017.93
8.2.50.0080.00018.07
8.2.40.0040.00418.27
8.2.30.0040.00418.16
8.2.20.0000.00717.94
8.2.10.0000.00819.79
8.2.00.0040.00417.80
8.1.280.0110.00725.92
8.1.270.0070.00023.99
8.1.260.0090.00026.35
8.1.250.0090.00028.09
8.1.240.0090.00021.39
8.1.230.0080.00317.64
8.1.220.0000.00817.74
8.1.210.0000.00918.77
8.1.200.0030.00617.48
8.1.190.0040.00417.47
8.1.180.0060.00318.10
8.1.170.0030.00618.71
8.1.160.0050.00222.00
8.1.150.0030.00518.66
8.1.140.0040.00417.66
8.1.130.0040.00417.77
8.1.120.0040.00417.65
8.1.110.0080.00017.67
8.1.100.0040.00417.56
8.1.90.0000.00717.45
8.1.80.0000.00717.51
8.1.70.0000.00717.58
8.1.60.0030.00617.71
8.1.50.0030.00517.57
8.1.40.0040.00417.66
8.1.30.0060.00317.73
8.1.20.0000.00817.70
8.1.10.0000.00917.61
8.1.00.0000.00817.70
8.0.300.0040.00418.77
8.0.290.0050.00216.88
8.0.280.0050.00318.51
8.0.270.0040.00417.38
8.0.260.0000.00716.93
8.0.250.0040.00417.06
8.0.240.0030.00416.98
8.0.230.0040.00417.09
8.0.220.0070.00016.97
8.0.210.0000.00716.93
8.0.200.0030.00516.98
8.0.190.0000.00716.99
8.0.180.0070.00017.02
8.0.170.0030.00617.05
8.0.160.0000.00717.02
8.0.150.0040.00416.96
8.0.140.0040.00417.01
8.0.130.0000.00613.53
8.0.120.0030.00616.95
8.0.110.0030.00617.02
8.0.100.0030.00516.96
8.0.90.0080.00016.89
8.0.80.0100.00616.96
8.0.70.0050.00316.90
8.0.60.0050.00217.08
8.0.50.0000.00717.02
8.0.30.0120.00817.19
8.0.20.0130.00817.40
8.0.10.0040.00416.98
8.0.00.0150.00617.05
7.4.330.0000.00615.00
7.4.320.0030.00316.75
7.4.300.0040.00416.84
7.4.290.0030.00316.76
7.4.280.0030.00316.81
7.4.270.0070.00016.73
7.4.260.0080.00016.73
7.4.250.0040.00416.67
7.4.240.0020.00516.68
7.4.230.0040.00416.52
7.4.220.0030.01316.72
7.4.210.0050.01016.64
7.4.200.0050.00316.46
7.4.190.0040.00416.67
7.4.160.0030.01316.78
7.4.150.0000.01717.40
7.4.140.0100.00817.86
7.4.130.0130.00516.61
7.4.120.0100.00916.62
7.4.110.0070.01516.79
7.4.100.0100.00716.71
7.4.90.0100.00716.70
7.4.80.0100.00719.39
7.4.70.0100.00716.59
7.4.60.0080.00816.70
7.4.50.0050.00516.75
7.4.40.0060.00922.77
7.4.30.0090.01616.86
7.4.00.0000.01415.30
7.3.330.0000.00513.37
7.3.320.0000.00513.37
7.3.310.0030.00316.52
7.3.300.0000.00716.38
7.3.290.0080.00816.35
7.3.280.0110.00816.42
7.3.270.0150.00917.40
7.3.260.0100.01016.50
7.3.250.0100.00916.63
7.3.240.0030.01316.45
7.3.230.0120.00316.59
7.3.210.0080.01516.76
7.3.200.0090.01219.39
7.3.190.0070.01616.75
7.3.180.0080.00816.71
7.3.170.0110.00516.57
7.3.160.0090.01216.47
7.3.120.0070.00715.13
7.2.330.0060.01116.83
7.2.320.0160.01016.80
7.2.310.0090.00916.68
7.2.300.0140.00316.74
7.2.290.0100.00716.82
7.2.00.0070.00719.41
7.1.100.0030.01018.55
7.1.70.0100.00017.24
7.1.60.0090.01519.82
7.1.50.0030.00917.20
7.1.00.0070.07322.55
7.0.200.0060.00316.67
7.0.140.0000.07021.95
7.0.60.0100.08319.97
7.0.50.0030.04017.84
7.0.40.0030.05720.11
7.0.30.0370.07020.32
7.0.20.0300.05020.14
7.0.10.0370.07020.12
7.0.00.0070.04020.20
5.6.280.0000.07720.78
5.6.210.0100.07320.75
5.6.200.0030.06718.18
5.6.190.0030.04720.42
5.6.180.3670.05020.64
5.6.170.0300.06320.49
5.6.160.0030.04320.39
5.6.150.0070.09018.18
5.6.140.0070.06018.27
5.6.130.0200.07018.28
5.6.120.0000.06320.90
5.6.110.0030.07020.89
5.6.100.0100.05021.14
5.6.90.0100.06320.95
5.6.80.0170.07320.54
5.6.70.0300.04720.36
5.5.350.0070.07320.53
5.5.340.0100.07718.07
5.5.330.0000.04720.27
5.5.320.0200.04320.36
5.5.310.0200.07720.35
5.5.300.0030.05017.95
5.5.290.0130.07317.95
5.5.280.0130.08320.87
5.5.270.0100.07020.76
5.5.260.0100.07720.73
5.5.250.0130.07320.66
5.5.240.0070.06720.23
5.4.450.0570.06019.48
5.4.440.0600.06319.59
5.4.430.0070.06319.52
5.4.420.0130.05319.52
5.4.410.0070.05719.52
5.4.400.0070.05318.77
5.4.390.0200.04318.70
5.4.380.0100.07718.58
5.4.370.0370.04318.77
5.4.360.0100.05718.46
5.4.350.0200.05018.70
5.4.340.0270.04318.74
5.4.320.0040.03712.50
5.4.310.0070.03812.50
5.4.300.0120.03312.51
5.4.290.0050.04712.50
5.4.280.0080.03412.39
5.4.270.0080.03312.39
5.4.260.0060.03812.39
5.4.250.0050.04012.39
5.4.240.0060.03612.39
5.4.230.0020.04212.39
5.4.220.0040.04112.39
5.4.210.0090.03212.39
5.4.200.0070.05318.98
5.4.190.0070.07319.04
5.4.180.0030.08318.82
5.4.170.0100.05318.99
5.4.160.0030.06018.92
5.4.150.0070.06018.84
5.4.140.0130.07016.62
5.4.130.0100.06716.50
5.4.120.0200.06716.40
5.4.110.0200.05016.68
5.4.100.0030.05716.69
5.4.90.0000.06016.70
5.4.80.0100.05016.68
5.4.70.0130.05016.62
5.4.60.0100.05016.40
5.4.50.0130.05316.66
5.4.40.0130.06316.71
5.4.30.0030.07016.61
5.4.20.0170.06716.66
5.4.10.0070.08316.51
5.4.00.0070.07015.95
5.3.290.0070.04612.80
5.3.280.0030.04112.70
5.3.270.0070.06014.91
5.3.260.0200.04714.48
5.3.250.0100.05314.91
5.3.240.0030.06014.89
5.3.230.0070.08014.66
5.3.220.0070.05714.45
5.3.210.0130.04714.82
5.3.200.0070.05314.45
5.3.190.0100.05014.74
5.3.180.0200.06014.83
5.3.170.0130.06714.85
5.3.160.0100.06314.87
5.3.150.0230.04314.84
5.3.140.0100.05714.55
5.3.130.0200.05314.41
5.3.120.0030.07314.71
5.3.110.0130.06014.73
5.3.100.0130.07014.31
5.3.90.0100.07314.29
5.3.80.0030.07014.20
5.3.70.0100.07014.02
5.3.60.0130.04314.20
5.3.50.0100.06014.03
5.3.40.0000.05714.23
5.3.30.0170.04314.07
5.3.20.0130.05313.98
5.3.10.0100.04713.85
5.3.00.0130.06713.69
5.2.170.0100.04711.19
5.2.160.0130.05311.15
5.2.150.0030.05311.29
5.2.140.0070.06711.07
5.2.130.0070.05311.21
5.2.120.0070.04711.33
5.2.110.0100.04311.10
5.2.100.0130.04711.20
5.2.90.0030.04311.10
5.2.80.0070.06011.24
5.2.70.0170.03310.90
5.2.60.0070.04711.19
5.2.50.0030.06310.95
5.2.40.0030.04311.14
5.2.30.0000.06711.02
5.2.20.0100.04010.91
5.2.10.0030.04310.91
5.2.00.0100.04010.82
5.1.60.0100.0309.98
5.1.50.0100.04010.18
5.1.40.0170.02310.06
5.1.30.0100.05010.32
5.1.20.0000.04710.36
5.1.10.0170.03010.21
5.1.00.0030.04310.34
5.0.50.0070.0308.63
5.0.40.0070.0338.57
5.0.30.0000.0478.26
5.0.20.0030.0408.50
5.0.10.0100.0338.16
5.0.00.0030.0478.45
4.4.90.0070.0177.47
4.4.80.0030.0277.47
4.4.70.0030.0277.47
4.4.60.0100.0237.47
4.4.50.0030.0237.47
4.4.40.0070.0337.46
4.4.30.0000.0277.46
4.4.20.0000.0237.46
4.4.10.0030.0277.46
4.4.00.0000.0377.46
4.3.110.0000.0307.46
4.3.100.0100.0207.46
4.3.90.0030.0207.46
4.3.80.0100.0337.46
4.3.70.0070.0207.46
4.3.60.0030.0207.46
4.3.50.0000.0237.46
4.3.40.0070.0307.46
4.3.30.0030.0307.46
4.3.20.0030.0207.46
4.3.10.0030.0207.46
4.3.00.0130.0206.74

preferences:
38.82 ms | 401 KiB | 5 Q