3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'Å'; $str = preg_replace('/å/s', 'aa', $str); print $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)
8.3.60.0070.01018.43
8.3.50.0230.00321.27
8.3.40.0120.00918.91
8.3.30.0100.00320.22
8.3.20.0040.00418.95
8.3.10.0070.00720.96
8.3.00.0040.00422.44
8.2.180.0140.00016.63
8.2.170.0070.00722.96
8.2.160.0000.01320.47
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0070.00026.16
8.2.120.0060.00319.48
8.2.110.0090.00019.14
8.2.100.0110.00017.84
8.2.90.0000.00819.21
8.2.80.0000.00817.97
8.2.70.0000.00817.74
8.2.60.0040.00418.05
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0000.00719.45
8.2.20.0050.00317.78
8.2.10.0040.00417.89
8.2.00.0050.00617.87
8.1.280.0140.00025.92
8.1.270.0050.00323.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00620.34
8.1.230.0080.00421.03
8.1.220.0000.00818.77
8.1.210.0050.00619.08
8.1.200.0080.00017.35
8.1.190.0000.00717.40
8.1.180.0040.00418.10
8.1.170.0060.00318.64
8.1.160.0050.00218.75
8.1.150.0000.00818.72
8.1.140.0030.00617.58
8.1.130.0030.00517.89
8.1.120.0000.00717.54
8.1.110.0040.00417.53
8.1.100.0000.00717.52
8.1.90.0020.00517.43
8.1.80.0050.00217.45
8.1.70.0000.00717.53
8.1.60.0000.00817.64
8.1.50.0000.00717.57
8.1.40.0000.00717.50
8.1.30.0000.00817.57
8.1.20.0000.00817.62
8.1.10.0040.00417.66
8.1.00.0000.00817.61
8.0.300.0040.00419.98
8.0.290.0000.00717.04
8.0.280.0030.00318.36
8.0.270.0070.00017.16
8.0.260.0000.00716.88
8.0.250.0060.00316.95
8.0.240.0030.00617.17
8.0.230.0030.00317.03
8.0.220.0030.00317.01
8.0.210.0030.00316.97
8.0.200.0040.00416.89
8.0.190.0030.00516.93
8.0.180.0000.00716.97
8.0.170.0040.00416.92
8.0.160.0030.00317.00
8.0.150.0050.00316.82
8.0.140.0030.00516.81
8.0.130.0050.00013.33
8.0.120.0060.00316.95
8.0.110.0000.00716.83
8.0.100.0040.00416.81
8.0.90.0050.00217.04
8.0.80.0070.01017.00
8.0.70.0040.00416.96
8.0.60.0000.00716.93
8.0.50.0000.00716.75
8.0.30.0080.01017.25
8.0.20.0060.01317.40
8.0.10.0050.00216.95
8.0.00.0090.01016.91
7.4.330.0000.00516.89
7.4.320.0000.00816.57
7.4.300.0030.00316.69
7.4.290.0060.00016.64
7.4.280.0030.00516.56
7.4.270.0000.00816.55
7.4.260.0000.00513.46
7.4.250.0040.00416.51
7.4.240.0030.00316.75
7.4.230.0030.00316.73
7.4.220.0000.02016.61
7.4.210.0090.00816.61
7.4.200.0030.00316.64
7.4.190.0000.00716.81
7.4.160.0060.01016.41
7.4.150.0130.00717.40
7.4.140.0100.01117.86
7.4.130.0100.00916.73
7.4.120.0090.00816.59
7.4.110.0100.01316.39
7.4.100.0070.01116.71
7.4.90.0060.01216.64
7.4.80.0130.01019.39
7.4.70.0070.01416.66
7.4.60.0070.01416.58
7.4.50.0030.00616.58
7.4.40.0040.01422.77
7.4.30.0070.01016.38
7.4.00.0000.01215.29
7.3.330.0000.00613.25
7.3.320.0030.00313.27
7.3.310.0000.00816.49
7.3.300.0040.00416.34
7.3.290.0070.00716.34
7.3.280.0090.00916.38
7.3.270.0090.00917.40
7.3.260.0070.01118.24
7.3.250.0090.00916.53
7.3.240.0170.00316.35
7.3.230.0080.00816.51
7.3.210.0120.00616.26
7.3.200.0070.01119.39
7.3.190.0170.00616.59
7.3.180.0110.00616.80
7.3.170.0110.00416.65
7.3.160.0090.01216.28
7.3.120.0070.00714.89
7.2.330.0160.00316.54
7.2.320.0030.01316.79
7.2.310.0060.01216.71
7.2.300.0130.00316.68
7.2.290.0070.01016.51
7.2.60.0030.01016.76
7.2.00.0090.00619.15
7.1.200.0030.01016.04
7.1.100.0070.00718.25
7.1.70.0000.01017.04
7.1.60.0130.01019.17
7.1.50.0140.01016.82
7.1.00.0030.03722.36
7.0.200.0030.00616.63
7.0.140.0070.07022.01
7.0.100.0030.04720.16
7.0.90.0100.07019.93
7.0.80.0030.08319.91
7.0.70.0130.06319.90
7.0.60.0030.07319.88
7.0.50.0200.09020.38
7.0.40.0130.05320.18
7.0.30.0100.03720.10
7.0.20.0000.05719.93
7.0.10.0070.07320.09
7.0.00.0100.05020.03
5.6.280.0000.07721.05
5.6.250.0100.08320.70
5.6.240.0100.07320.57
5.6.230.0100.08720.73
5.6.220.0070.06020.62
5.6.210.0070.07720.48
5.6.200.0100.07321.11
5.6.190.0100.04321.09
5.6.180.0130.03320.95
5.6.170.0170.03020.93
5.6.160.0000.09021.05
5.6.150.0100.07321.03
5.6.140.0170.07721.05
5.6.130.0030.08020.87
5.6.120.0070.03721.13
5.6.110.0100.08320.92
5.6.100.0070.04720.93
5.6.90.0070.06320.91
5.6.80.0030.03720.33
5.6.70.0130.07320.46
5.6.60.0030.08720.40
5.6.50.0130.06720.46
5.6.40.0130.06320.30
5.6.30.0030.08720.39
5.6.20.0100.08320.48
5.6.10.0130.06320.28
5.6.00.0200.05020.46
5.5.380.0100.08020.38
5.5.370.0000.05720.35
5.5.360.0070.06720.54
5.5.350.0130.04720.33
5.5.340.0030.05320.88
5.5.330.0070.06720.91
5.5.320.0030.04320.92
5.5.310.0130.07320.89
5.5.300.0070.06020.82
5.5.290.0070.07720.79
5.5.280.0070.07020.91
5.5.270.0000.04320.87
5.5.260.0070.04720.92
5.5.250.0070.08020.53
5.5.240.0030.04320.29
5.5.230.0170.06720.23
5.5.220.0070.07020.23
5.5.210.0070.08320.15
5.5.200.0030.07320.15
5.5.190.0100.08020.15
5.5.180.0100.06320.11
5.5.160.0130.07720.16
5.5.150.0030.09020.17
5.5.140.0130.07320.10
5.5.130.0130.06720.05
5.5.120.0070.08320.20
5.5.110.0000.05720.25
5.5.100.0070.08020.10
5.5.90.0130.08320.15
5.5.80.0170.04320.15
5.5.70.0130.07320.07
5.5.60.0100.07320.05
5.5.50.0100.04020.02
5.5.40.0170.07020.09
5.5.30.0170.07720.06
5.5.20.0170.05320.07
5.5.10.0130.06719.97
5.5.00.0030.07320.02
5.4.450.0070.06019.36
5.4.440.0130.07719.36
5.4.430.0070.07719.13
5.4.420.0100.06719.46
5.4.410.0070.07019.23
5.4.400.0030.05018.79
5.4.390.0030.07019.05
5.4.380.0030.08318.81
5.4.370.0130.03718.98
5.4.360.0100.07318.97
5.4.350.0100.07318.81
5.4.340.0030.05719.08
5.4.320.0030.08019.07
5.4.310.0070.07319.14
5.4.300.0100.07019.04
5.4.290.0100.05319.12
5.4.280.0030.07319.07
5.4.270.0030.06018.97
5.4.260.0100.05019.12
5.4.250.0100.06319.07
5.4.240.0030.05019.14
5.4.230.0070.07719.09
5.4.220.0100.07719.13
5.4.210.0070.07319.01
5.4.200.0200.07019.12
5.4.190.0030.08019.11
5.4.180.0070.08019.05
5.4.170.0070.07319.11
5.4.160.0070.05718.93
5.4.150.0030.04019.00
5.4.140.0070.04016.22
5.4.130.0130.02716.06
5.4.120.0000.04016.24
5.4.110.0070.03316.43
5.4.100.0000.03716.25
5.4.90.0070.03316.45
5.4.80.0030.04016.19
5.4.70.0070.03016.29
5.4.60.0100.03016.38
5.4.50.0130.02716.39
5.4.40.0000.03716.31
5.4.30.0000.03716.30
5.4.20.0030.07316.41
5.4.10.0100.07016.38
5.4.00.0070.07315.78
5.3.290.0100.07314.66
5.3.280.0100.07314.57
5.3.270.0030.04314.51
5.3.260.0070.04014.59
5.3.250.0070.06014.54
5.3.240.0000.04014.46
5.3.230.0070.03714.55
5.3.220.0070.03714.55
5.3.210.0070.04014.43
5.3.200.0030.03714.52
5.3.190.0070.03314.56
5.3.180.0000.04014.54
5.3.170.0000.04314.54
5.3.160.0000.03714.52
5.3.150.0070.03314.42
5.3.140.0000.04014.54
5.3.130.0100.04714.53
5.3.120.0070.07314.40
5.3.110.0100.07014.55
5.3.100.0070.05313.89
5.3.90.0070.03713.98
5.3.80.0100.04713.97
5.3.70.0030.06314.01
5.3.60.0070.06014.01
5.3.50.0070.04313.91
5.3.40.0070.04713.93
5.3.30.0070.06313.89
5.3.20.0070.05013.44
5.3.10.0100.04313.63
5.3.00.0070.04013.59
5.2.170.0030.03011.13
5.2.160.0030.05311.16
5.2.150.0030.04011.09
5.2.140.0030.03311.09
5.2.130.0070.03711.02
5.2.120.0100.06011.10
5.2.110.0000.03011.12
5.2.100.0070.02710.93
5.2.90.0070.02711.16
5.2.80.0100.02311.13
5.2.70.0030.02711.01
5.2.60.0000.04711.08
5.2.50.0030.03311.00
5.2.40.0070.02310.79
5.2.30.0070.02310.97
5.2.20.0030.02710.92
5.2.10.0070.02710.79
5.2.00.0030.02710.63
5.1.60.0000.02310.07
5.1.50.0000.0279.97
5.1.40.0070.02310.05
5.1.30.0030.02310.19
5.1.20.0000.03010.25
5.1.10.0000.03310.06
5.1.00.0000.02710.09
5.0.50.0000.0208.55
5.0.40.0030.0178.45
5.0.30.0070.0278.28
5.0.20.0030.0178.08
5.0.10.0070.0238.15
5.0.00.0000.0308.24
4.4.90.0000.0208.08
4.4.80.0030.0138.08
4.4.70.0000.0178.08
4.4.60.0000.0178.08
4.4.50.0000.0178.08
4.4.40.0030.0278.08
4.4.30.0070.0178.08
4.4.20.0000.0178.08
4.4.10.0030.0138.08
4.4.00.0030.0238.08
4.3.110.0000.0178.08
4.3.100.0000.0178.08
4.3.90.0030.0138.08
4.3.80.0030.0238.08
4.3.70.0030.0138.08
4.3.60.0030.0138.08
4.3.50.0000.0178.08
4.3.40.0000.0238.08
4.3.30.0000.0138.08
4.3.20.0100.0108.08
4.3.10.0000.0178.08
4.3.00.0000.0208.08

preferences:
42.33 ms | 401 KiB | 5 Q