3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'Å'; $str = preg_replace('/å/i', '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)
8.3.60.0150.00318.55
8.3.50.0170.00321.27
8.3.40.0140.00018.88
8.3.30.0100.01020.16
8.3.20.0090.00018.76
8.3.10.0080.00021.15
8.3.00.0040.00422.24
8.2.180.0190.00316.75
8.2.170.0070.01322.96
8.2.160.0030.01020.39
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0020.00521.12
8.2.110.0050.00519.39
8.2.100.0060.00617.90
8.2.90.0050.00219.29
8.2.80.0000.00818.03
8.2.70.0080.00017.75
8.2.60.0080.00018.05
8.2.50.0050.00318.07
8.2.40.0050.00318.21
8.2.30.0070.00019.36
8.2.20.0040.00417.81
8.2.10.0020.00517.81
8.2.00.0080.00517.93
8.1.280.0030.01725.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00323.96
8.1.230.0080.00420.95
8.1.220.0000.00818.77
8.1.210.0100.00020.62
8.1.200.0060.00317.35
8.1.190.0040.00417.50
8.1.180.0040.00418.10
8.1.170.0050.00518.63
8.1.160.0000.00718.80
8.1.150.0000.00818.64
8.1.140.0040.00417.50
8.1.130.0030.00317.83
8.1.120.0000.00717.56
8.1.110.0040.00417.50
8.1.100.0040.00417.52
8.1.90.0000.00717.44
8.1.80.0030.00517.37
8.1.70.0070.00017.47
8.1.60.0040.00417.72
8.1.50.0040.00417.51
8.1.40.0000.00817.60
8.1.30.0050.00317.64
8.1.20.0090.00017.64
8.1.10.0000.00717.67
8.1.00.0000.00717.52
8.0.300.0060.00319.88
8.0.290.0000.00817.29
8.0.280.0030.00318.38
8.0.270.0030.00417.27
8.0.260.0030.00316.96
8.0.250.0030.00317.09
8.0.240.0040.00417.13
8.0.230.0030.00317.07
8.0.220.0050.00216.94
8.0.210.0000.00716.96
8.0.200.0000.00617.05
8.0.190.0040.00416.96
8.0.180.0040.00417.02
8.0.170.0000.00716.90
8.0.160.0070.00016.96
8.0.150.0080.00016.82
8.0.140.0000.00716.89
8.0.130.0000.00613.37
8.0.120.0000.00816.84
8.0.110.0040.00416.81
8.0.100.0000.00717.04
8.0.90.0000.00716.94
8.0.80.0110.00616.93
8.0.70.0050.00316.77
8.0.60.0000.00716.87
8.0.50.0040.00416.85
8.0.30.0070.01117.33
8.0.20.0060.01317.42
8.0.10.0040.00416.92
8.0.00.0110.01016.93
7.4.330.0060.00016.68
7.4.320.0000.00816.59
7.4.300.0000.00616.59
7.4.290.0030.00316.65
7.4.280.0000.00716.73
7.4.270.0000.00716.64
7.4.260.0050.00013.41
7.4.250.0070.00016.61
7.4.240.0040.00416.79
7.4.230.0000.00716.78
7.4.220.0060.01316.68
7.4.210.0070.00716.81
7.4.200.0000.00816.74
7.4.190.0000.00716.81
7.4.160.0110.01116.57
7.4.150.0070.01117.40
7.4.140.0110.01217.86
7.4.130.0110.00816.61
7.4.120.0110.00816.55
7.4.110.0090.00916.61
7.4.100.0110.00816.65
7.4.90.0140.00316.71
7.4.80.0090.01319.39
7.4.70.0150.00316.38
7.4.60.0140.00316.70
7.4.50.0070.00316.55
7.4.40.0040.00822.77
7.4.30.0100.00716.59
7.4.00.0090.00615.11
7.3.330.0000.00513.26
7.3.320.0030.00313.13
7.3.310.0070.00016.38
7.3.300.0030.00316.36
7.3.290.0080.00616.38
7.3.280.0060.01416.33
7.3.270.0140.00417.40
7.3.260.0110.00918.24
7.3.250.0080.01016.47
7.3.240.0030.01316.39
7.3.230.0070.01016.70
7.3.210.0100.00716.68
7.3.200.0030.01519.39
7.3.190.0170.00716.64
7.3.180.0060.01216.35
7.3.170.0130.00316.30
7.3.160.0110.00616.64
7.3.120.0030.01014.92
7.3.10.0070.00316.74
7.3.00.0040.00816.59
7.2.330.0070.01316.72
7.2.320.0080.00816.56
7.2.310.0100.01416.77
7.2.300.0120.00916.57
7.2.290.0090.00616.85
7.2.130.0070.00317.12
7.2.120.0060.00717.03
7.2.110.0050.00616.89
7.2.100.0020.00916.77
7.2.90.0080.00316.96
7.2.80.0030.00917.13
7.2.70.0040.00716.95
7.2.60.0040.00717.12
7.2.50.0100.00317.13
7.2.40.0030.00717.16
7.2.30.0010.01316.82
7.2.20.0070.00516.91
7.2.10.0060.00616.95
7.2.00.0080.00616.94
7.1.250.0080.00415.93
7.1.200.0000.01616.03
7.1.70.0030.00517.21
7.1.60.0040.01119.17
7.1.50.0100.01317.12
7.1.00.0000.03722.32
7.0.200.0000.00716.71
7.0.140.0000.07722.09
7.0.100.0070.04719.95
7.0.90.0400.07019.96
7.0.80.0230.08320.10
7.0.70.0130.08319.86
7.0.60.0030.08019.86
7.0.50.0170.05720.23
7.0.40.0130.04320.08
7.0.30.0030.07720.00
7.0.20.0130.04020.10
7.0.10.0030.04320.04
7.0.00.0170.04020.01
5.6.280.0100.06321.06
5.6.250.0230.07320.58
5.6.240.0170.06020.46
5.6.230.0030.05020.48
5.6.220.0070.04720.47
5.6.210.0100.04720.59
5.6.200.0030.05321.04
5.6.190.0130.05321.05
5.6.180.0100.07321.08
5.6.170.0130.03721.09
5.6.160.0100.04321.04
5.6.150.0100.05721.01
5.6.140.0100.07321.05
5.6.130.0100.08020.87
5.6.120.0130.06720.99
5.6.110.0170.06721.02
5.6.100.0130.07321.03
5.6.90.0030.08020.98
5.6.80.0230.06720.27
5.6.70.0070.08020.26
5.6.60.0130.05720.45
5.6.50.0170.07720.34
5.6.40.0130.07320.23
5.6.30.0030.08020.41
5.6.20.0070.08020.31
5.6.10.0100.04320.25
5.6.00.0100.07320.46
5.5.380.0130.07020.30
5.5.370.0130.07320.30
5.5.360.0100.07720.32
5.5.350.0130.07320.41
5.5.340.0030.04320.81
5.5.330.0030.06020.81
5.5.320.0100.05020.70
5.5.310.0100.07720.80
5.5.300.0100.05020.82
5.5.290.0030.08320.81
5.5.280.0030.08020.74
5.5.270.0130.07320.77
5.5.260.0070.08020.80
5.5.250.0170.05720.68
5.5.240.0130.07020.20
5.5.230.0100.07320.13
5.5.220.0230.05320.05
5.5.210.0070.08020.15
5.5.200.0070.06720.10
5.5.190.0100.08720.13
5.5.180.0230.04019.93
5.5.160.0030.04720.02
5.5.150.0170.04720.16
5.5.140.0130.07019.93
5.5.130.0030.05020.23
5.5.120.0030.04320.06
5.5.110.0100.07320.08
5.5.100.0070.08320.05
5.5.90.0070.07020.07
5.5.80.0100.04019.95
5.5.70.0030.04319.88
5.5.60.0000.04320.09
5.5.50.0000.04320.03
5.5.40.0100.03719.99
5.5.30.0100.03320.02
5.5.20.0030.04319.98
5.5.10.0070.03319.92
5.5.00.0030.04319.92
5.4.450.0130.06719.39
5.4.440.0070.06719.55
5.4.430.0030.08019.47
5.4.420.0170.04719.40
5.4.410.0070.04719.22
5.4.400.0100.05718.98
5.4.390.0130.07018.79
5.4.380.0130.07318.97
5.4.370.0100.06018.81
5.4.360.0070.06019.12
5.4.350.0200.03319.12
5.4.340.0030.05018.79
5.4.320.0100.06719.06
5.4.310.0070.05319.13
5.4.300.0030.04718.96
5.4.290.0070.04719.13
5.4.280.0000.07718.94
5.4.270.0100.04718.81
5.4.260.0070.06718.96
5.4.250.0100.07719.06
5.4.240.0030.06319.11
5.4.230.0000.04018.79
5.4.220.0030.04018.78
5.4.210.0000.04018.89
5.4.200.0000.04019.14
5.4.190.0070.03319.09
5.4.180.0070.03318.77
5.4.170.0170.06719.22
5.4.160.0030.07018.93
5.4.150.0070.07718.88
5.4.140.0070.06316.23
5.4.130.0000.07016.07
5.4.120.0030.03316.33
5.4.110.0070.03016.45
5.4.100.0100.03016.23
5.4.90.0000.04016.45
5.4.80.0030.03316.19
5.4.70.0030.05716.21
5.4.60.0000.04316.32
5.4.50.0000.04316.18
5.4.40.0030.06316.37
5.4.30.0070.03316.25
5.4.20.0030.05016.28
5.4.10.0070.07316.33
5.4.00.0070.03015.67
5.3.290.0070.07314.61
5.3.280.0030.05714.55
5.3.270.0000.04014.61
5.3.260.0070.08014.59
5.3.250.0030.07314.45
5.3.240.0030.06714.59
5.3.230.0000.03714.58
5.3.220.0000.04314.56
5.3.210.0070.05714.55
5.3.200.0000.04014.42
5.3.190.0100.05714.42
5.3.180.0030.03014.43
5.3.170.0100.06314.52
5.3.160.0030.04714.52
5.3.150.0070.05314.56
5.3.140.0100.02714.54
5.3.130.0030.03714.55
5.3.120.0030.04714.53
5.3.110.0070.07014.50
5.3.100.0100.04314.03
5.3.90.0070.03713.84
5.3.80.0030.04013.87
5.3.70.0030.06013.79
5.3.60.0000.04013.86
5.3.50.0070.03313.80
5.3.40.0030.03713.89
5.3.30.0030.03713.81
5.3.20.0000.03313.67
5.3.10.0000.03013.57
5.3.00.0000.03713.49
5.2.170.0100.03011.14
5.2.160.0070.02310.96
5.2.150.0000.03010.98
5.2.140.0000.03311.18
5.2.130.0000.03010.89
5.2.120.0030.05310.95
5.2.110.0000.03311.14
5.2.100.0000.02711.16
5.2.90.0070.02310.89
5.2.80.0030.02310.88
5.2.70.0030.03011.09
5.2.60.0030.03011.04
5.2.50.0030.02710.98
5.2.40.0030.03311.00
5.2.30.0000.03310.79
5.2.20.0000.02710.96
5.2.10.0000.02710.80
5.2.00.0070.05310.62
5.1.60.0000.03710.02
5.1.50.0130.0479.98
5.1.40.0100.04310.00
5.1.30.0030.03710.28
5.1.20.0030.05310.26
5.1.10.0030.05710.11
5.1.00.0070.05310.08
5.0.50.0030.0408.55
5.0.40.0030.0408.49
5.0.30.0070.0438.27
5.0.20.0030.0408.27
5.0.10.0030.0238.25
5.0.00.0070.0408.25
4.4.90.0030.0138.25
4.4.80.0030.0108.25
4.4.70.0070.0078.25
4.4.60.0030.0138.25
4.4.50.0000.0178.25
4.4.40.0030.0238.25
4.4.30.0030.0208.25
4.4.20.0000.0308.25
4.4.10.0030.0108.25
4.4.00.0030.0538.25
4.3.110.0030.0278.25
4.3.100.0000.0138.25
4.3.90.0030.0278.25
4.3.80.0030.0508.25
4.3.70.0100.0278.25
4.3.60.0030.0408.25
4.3.50.0030.0338.25
4.3.40.0000.0508.25
4.3.30.0030.0278.25
4.3.20.0000.0308.25
4.3.10.0070.0278.25
4.3.00.0000.0238.25

preferences:
42.25 ms | 400 KiB | 5 Q