3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'Å'; $str = preg_replace('å', '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)
8.3.60.0160.00018.43
8.3.50.0100.01021.08
8.3.40.0110.01118.75
8.3.30.0150.00020.20
8.3.20.0080.00018.77
8.3.10.0080.00621.17
8.3.00.0040.00422.41
8.2.180.0040.01116.50
8.2.170.0070.00722.96
8.2.160.0100.00320.57
8.2.150.0060.00324.18
8.2.140.0060.00624.66
8.2.130.0050.00226.16
8.2.120.0040.00421.00
8.2.110.0070.00319.21
8.2.100.0060.00617.79
8.2.90.0080.00017.75
8.2.80.0040.00418.80
8.2.70.0000.00717.92
8.2.60.0000.00817.50
8.2.50.0000.00917.63
8.2.40.0040.00419.36
8.2.30.0000.00717.68
8.2.20.0040.00417.59
8.2.10.0080.00017.74
8.2.00.0060.00617.69
8.1.280.0070.00725.92
8.1.270.0050.00323.99
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0120.00022.16
8.1.230.0120.00022.65
8.1.220.0090.00017.79
8.1.210.0040.00418.77
8.1.200.0050.00317.23
8.1.190.0050.00317.23
8.1.180.0030.00618.10
8.1.170.0000.00817.62
8.1.160.0040.00418.88
8.1.150.0040.00418.48
8.1.140.0070.00017.38
8.1.130.0030.00517.87
8.1.120.0040.00417.35
8.1.110.0070.00017.32
8.1.100.0070.00017.41
8.1.90.0080.00017.32
8.1.80.0030.00317.29
8.1.70.0030.00317.35
8.1.60.0000.00817.56
8.1.50.0050.00217.43
8.1.40.0000.00817.40
8.1.30.0050.00317.51
8.1.20.0040.00417.52
8.1.10.0000.00717.57
8.1.00.0040.00417.42
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0040.00418.06
8.0.270.0030.00318.11
8.0.260.0060.00016.92
8.0.250.0050.00316.88
8.0.240.0060.00316.96
8.0.230.0000.00716.89
8.0.220.0070.00016.85
8.0.210.0030.00316.91
8.0.200.0040.00416.95
8.0.190.0030.00316.81
8.0.180.0070.00016.81
8.0.170.0030.00516.79
8.0.160.0000.00716.94
8.0.150.0000.00816.82
8.0.140.0000.00716.75
8.0.130.0060.00013.32
8.0.120.0050.00516.86
8.0.110.0040.00416.80
8.0.100.0000.00816.71
8.0.90.0000.00716.71
8.0.80.0090.00616.93
8.0.70.0040.00416.89
8.0.60.0030.00516.92
8.0.50.0040.00416.87
8.0.30.0130.00516.98
8.0.20.0110.00717.40
8.0.10.0040.00416.90
8.0.00.0110.01316.70
7.4.330.0050.00016.83
7.4.320.0040.00416.48
7.4.300.0060.00016.42
7.4.290.0030.00316.49
7.4.280.0060.00016.54
7.4.270.0030.00316.43
7.4.260.0050.00313.15
7.4.250.0030.00316.41
7.4.240.0000.00716.46
7.4.230.0000.00716.60
7.4.220.0100.01716.61
7.4.210.0070.00716.48
7.4.200.0000.00716.63
7.4.190.0040.00416.47
7.4.160.0090.00616.47
7.4.150.0070.01117.40
7.4.140.0110.00817.86
7.4.130.0080.01016.38
7.4.120.0120.00616.43
7.4.110.0070.01016.46
7.4.100.0160.00616.54
7.4.90.0090.00916.32
7.4.80.0120.00619.39
7.4.70.0070.01416.38
7.4.60.0120.00916.60
7.4.50.0000.00816.59
7.4.40.0030.01322.77
7.4.30.0070.01016.46
7.4.00.0090.00714.83
7.3.330.0000.00513.06
7.3.320.0060.00013.18
7.3.310.0030.00316.21
7.3.300.0040.00416.30
7.3.290.0120.00616.12
7.3.280.0080.00716.24
7.3.270.0120.00617.40
7.3.260.0180.00618.24
7.3.250.0140.00616.47
7.3.240.0060.00916.30
7.3.230.0100.00616.39
7.3.210.0070.01016.26
7.3.200.0100.01319.39
7.3.190.0040.01616.54
7.3.180.0120.00616.35
7.3.170.0030.01216.49
7.3.160.0100.01016.20
7.3.120.0050.01214.72
7.3.110.0080.00814.81
7.3.100.0100.00714.71
7.3.90.0070.00315.00
7.3.80.0030.00914.69
7.3.70.0030.00714.61
7.3.60.0080.00614.74
7.3.50.0120.00614.80
7.3.40.0000.00914.51
7.3.30.0060.00614.85
7.3.20.0000.01516.66
7.3.10.0040.01116.29
7.3.00.0070.00716.66
7.2.330.0130.01016.44
7.2.320.0060.01616.67
7.2.310.0140.00416.59
7.2.300.0100.00616.47
7.2.290.0080.00816.60
7.2.250.0090.00915.23
7.2.240.0000.01815.05
7.2.230.0090.00615.07
7.2.220.0100.00314.52
7.2.210.0000.01514.95
7.2.200.0040.01115.11
7.2.190.0000.01114.68
7.2.180.0040.01114.89
7.2.170.0030.01015.08
7.2.60.0070.00316.77
7.1.330.0060.01215.70
7.1.320.0090.00615.87
7.1.310.0040.01215.92
7.1.300.0030.01015.56
7.1.290.0000.01115.60
7.1.280.0040.00715.86
7.1.270.0030.01015.70
7.1.260.0080.00815.51
7.1.200.0040.01215.84
7.1.100.0040.00717.91
7.1.70.0030.00716.99
7.1.60.0090.01319.17
7.1.50.0110.01116.71
7.1.00.0070.07322.40
7.0.200.0000.00816.81
7.0.140.0030.07722.15
7.0.100.0070.06719.93
7.0.90.0230.05319.93
7.0.80.0170.07319.95
7.0.70.0300.07019.84
7.0.60.0130.06319.98
7.0.50.0270.07020.14
7.0.40.0070.06720.09
7.0.30.0100.08320.15
7.0.20.0070.06320.05
7.0.10.0030.05720.08
7.0.00.0030.04320.00
5.6.280.0070.07020.90
5.6.250.0070.04020.56
5.6.240.0070.07320.65
5.6.230.0030.07720.66
5.6.220.0100.08020.67
5.6.210.0070.08720.59
5.6.200.0230.07321.11
5.6.190.0100.08721.09
5.6.180.0030.04321.04
5.6.170.0100.08321.01
5.6.160.0000.04321.17
5.6.150.0170.02721.08
5.6.140.0000.05320.99
5.6.130.0000.04721.07
5.6.120.0030.04321.08
5.6.110.0130.03321.04
5.6.100.0100.03721.04
5.6.90.0130.04320.91
5.6.80.0100.03720.34
5.6.70.0030.04320.38
5.6.60.0000.05720.38
5.6.50.0030.04020.46
5.6.40.0070.03720.39
5.6.30.0070.03720.35
5.6.20.0030.04020.30
5.6.10.0030.04320.37
5.6.00.0030.04020.30
5.5.380.0130.06020.35
5.5.370.0100.04020.48
5.5.360.0100.07720.33
5.5.350.0130.07020.41
5.5.340.0030.09020.92
5.5.330.0000.06020.77
5.5.320.0030.07720.82
5.5.310.0000.04720.73
5.5.300.0070.03720.79
5.5.290.0070.04020.75
5.5.280.0030.04020.84
5.5.270.0070.04020.83
5.5.260.0070.07020.86
5.5.250.0030.04020.64
5.5.240.0070.07720.30
5.5.230.0070.07320.30
5.5.220.0100.03020.29
5.5.210.0000.04720.11
5.5.200.0070.03720.15
5.5.190.0030.04320.18
5.5.180.0100.03720.08
5.5.160.0000.04719.99
5.5.150.0030.04020.26
5.5.140.0070.04020.17
5.5.130.0100.06020.24
5.5.120.0070.04020.17
5.5.110.0030.04319.97
5.5.100.0000.04320.06
5.5.90.0000.04020.07
5.5.80.0030.03720.10
5.5.70.0100.06320.08
5.5.60.0000.04019.92
5.5.50.0000.04720.06
5.5.40.0000.04320.14
5.5.30.0100.03320.04
5.5.20.0130.06020.04
5.5.10.0100.03319.97
5.5.00.0070.07720.12
5.4.450.0100.03319.27
5.4.440.0070.03719.40
5.4.430.0030.05319.14
5.4.420.0000.04019.38
5.4.410.0030.04719.23
5.4.400.0100.04719.10
5.4.390.0000.04018.98
5.4.380.0030.05319.03
5.4.370.0070.04019.25
5.4.360.0100.03318.95
5.4.350.0030.03719.12
5.4.340.0070.03319.11
5.4.320.0000.04019.03
5.4.310.0030.03719.13
5.4.300.0000.04319.05
5.4.290.0000.04019.16
5.4.280.0070.03318.81
5.4.270.0070.03319.25
5.4.260.0070.04019.04
5.4.250.0030.03719.14
5.4.240.0000.04018.94
5.4.230.0000.04718.78
5.4.220.0070.03719.14
5.4.210.0000.04019.05
5.4.200.0230.06318.90
5.4.190.0070.04018.84
5.4.180.0100.07018.80
5.4.170.0030.07319.02
5.4.160.0070.06018.96
5.4.150.0070.06319.06
5.4.140.0070.04316.39
5.4.130.0070.05716.26
5.4.120.0070.03716.32
5.4.110.0000.06316.24
5.4.100.0030.03316.34
5.4.90.0130.06716.34
5.4.80.0030.07716.20
5.4.70.0070.07016.25
5.4.60.0070.05316.21
5.4.50.0100.06716.23
5.4.40.0070.05316.24
5.4.30.0070.06316.30
5.4.20.0100.06316.28
5.4.10.0000.06016.43
5.4.00.0100.06015.82
5.3.290.0000.04014.60
5.3.280.0030.07314.41
5.3.270.0070.07314.42
5.3.260.0100.07314.60
5.3.250.0000.07714.61
5.3.240.0000.07714.55
5.3.230.0070.07014.45
5.3.220.0070.07314.47
5.3.210.0000.04314.57
5.3.200.0100.06014.55
5.3.190.0130.07314.54
5.3.180.0100.05314.50
5.3.170.0100.07014.56
5.3.160.0000.04714.40
5.3.150.0070.03314.43
5.3.140.0070.07014.54
5.3.130.0030.07714.55
5.3.120.0030.06314.50
5.3.110.0130.03714.41
5.3.100.0130.06313.86
5.3.90.0070.07014.02
5.3.80.0100.06314.01
5.3.70.0070.07313.87
5.3.60.0070.06713.94
5.3.50.0030.04313.90
5.3.40.0070.04713.92
5.3.30.0130.06713.88
5.3.20.0070.07013.68
5.3.10.0030.07013.51
5.3.00.0170.06313.49
5.2.170.0000.07011.14
5.2.160.0070.06010.96
5.2.150.0100.05311.10
5.2.140.0130.02310.96
5.2.130.0030.05711.09
5.2.120.0070.06310.89
5.2.110.0030.06710.95
5.2.100.0000.04310.94
5.2.90.0000.06011.15
5.2.80.0070.06311.04
5.2.70.0070.04710.96
5.2.60.0070.06011.09
5.2.50.0100.03711.08
5.2.40.0030.05010.99
5.2.30.0070.05710.92
5.2.20.0100.05710.82
5.2.10.0000.06710.71
5.2.00.0000.06710.57
5.1.60.0070.0509.83
5.1.50.0100.0279.87
5.1.40.0100.0479.96
5.1.30.0030.03010.25
5.1.20.0070.02310.41
5.1.10.0030.03010.09
5.1.00.0000.03710.06
5.0.50.0170.0338.82
5.0.40.0000.0278.82
5.0.30.0100.0538.82
5.0.20.0000.0508.82
5.0.10.0000.0438.82
5.0.00.0070.0608.82
4.4.90.0070.0308.82
4.4.80.0030.0338.82
4.4.70.0070.0238.82
4.4.60.0000.0378.82
4.4.50.0030.0238.82
4.4.40.0030.0538.82
4.4.30.0000.0308.82
4.4.20.0000.0338.82
4.4.10.0070.0338.82
4.4.00.0030.0478.82
4.3.110.0000.0338.82
4.3.100.0000.0378.82
4.3.90.0030.0338.82
4.3.80.0030.0378.82
4.3.70.0000.0278.82
4.3.60.0030.0138.82
4.3.50.0030.0178.82
4.3.40.0030.0208.82
4.3.30.0070.0308.82
4.3.20.0030.0338.82
4.3.10.0030.0308.82
4.3.00.0000.0338.82

preferences:
43.01 ms | 400 KiB | 5 Q