3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo utf8_encode(utf8_encode('ñ'));

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)
8.3.40.0070.00718.59
8.3.30.0070.00720.04
8.3.20.0040.01120.34
8.3.10.0000.00821.05
8.3.00.0000.00822.43
8.2.170.0140.00722.96
8.2.160.0100.00721.91
8.2.150.0050.00324.18
8.2.140.0070.00724.66
8.2.130.0070.00026.16
8.2.120.0000.00820.84
8.2.110.0030.00619.05
8.2.100.0000.01117.91
8.2.90.0040.00419.17
8.2.80.0050.00317.97
8.2.70.0060.00317.50
8.2.60.0000.00817.80
8.2.50.0030.00618.07
8.2.40.0100.00717.90
8.2.30.0000.00719.43
8.2.20.0040.00417.58
8.2.10.0000.00717.62
8.2.00.0040.00417.61
8.1.270.0050.00223.99
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0070.00323.79
8.1.230.0000.01121.03
8.1.220.0050.00318.77
8.1.210.0020.00518.97
8.1.200.0040.00417.10
8.1.190.0080.00017.41
8.1.180.0000.00818.10
8.1.170.0000.00818.59
8.1.160.0000.00718.82
8.1.150.0000.00718.49
8.1.140.0000.00717.30
8.1.130.0030.00317.71
8.1.120.0070.00017.31
8.1.110.0040.00417.28
8.1.100.0040.00417.24
8.1.90.0040.00417.29
8.1.80.0040.00417.36
8.1.70.0030.00317.24
8.1.60.0000.00917.48
8.1.50.0000.00717.38
8.1.40.0040.00417.38
8.1.30.0040.00417.41
8.1.20.0030.00617.49
8.1.10.0040.00417.37
8.1.00.0040.00417.38
8.0.300.0000.00719.77
8.0.290.0040.00417.15
8.0.280.0040.00418.36
8.0.270.0000.00717.24
8.0.260.0000.00716.68
8.0.250.0060.00316.91
8.0.240.0040.00416.92
8.0.230.0070.00016.80
8.0.220.0000.00716.61
8.0.210.0040.00416.62
8.0.200.0040.00416.82
8.0.190.0070.00016.83
8.0.180.0030.00316.70
8.0.170.0030.00316.70
8.0.160.0000.00716.79
8.0.150.0030.00416.61
8.0.140.0040.00416.75
8.0.130.0030.00313.15
8.0.120.0050.00216.60
8.0.110.0040.00416.68
8.0.100.0030.00516.58
8.0.90.0030.00316.69
8.0.80.0060.00916.73
8.0.70.0000.00716.61
8.0.60.0000.00716.82
8.0.50.0040.00416.75
8.0.30.0080.01017.05
8.0.20.0100.00817.40
8.0.10.0040.00416.84
8.0.00.0100.00916.54
7.4.330.0000.00516.73
7.4.320.0030.00316.26
7.4.300.0000.00616.37
7.4.290.0000.00716.47
7.4.280.0070.00016.38
7.4.270.0000.00716.33
7.4.260.0020.00213.04
7.4.250.0040.00416.38
7.4.240.0060.00116.36
7.4.230.0000.00716.16
7.4.220.0160.00316.36
7.4.210.0060.01016.46
7.4.200.0030.00316.45
7.4.190.0030.00316.51
7.4.160.0090.00616.53
7.4.150.0140.00317.40
7.4.140.0140.00717.86
7.4.130.0110.00516.33
7.4.120.0080.01016.34
7.4.110.0130.00316.25
7.4.100.0120.00816.41
7.4.90.0100.00716.20
7.4.80.0070.01019.39
7.4.70.0030.01316.30
7.4.60.0100.00716.34
7.4.50.0050.00316.49
7.4.40.0070.00722.77
7.4.30.0090.00616.41
7.4.00.0030.01414.98
7.3.330.0060.00013.03
7.3.320.0000.00512.96
7.3.310.0030.00316.09
7.3.300.0030.00316.07
7.3.290.0040.00916.16
7.3.280.0080.01116.11
7.3.270.0140.00317.40
7.3.260.0160.00318.24
7.3.250.0060.01316.36
7.3.240.0130.00616.00
7.3.230.0170.00016.39
7.3.210.0100.00716.12
7.3.200.0070.01519.39
7.3.190.0030.01416.29
7.3.180.0090.00916.38
7.3.170.0040.01516.27
7.3.160.0110.01116.23
7.3.120.0100.00714.71
7.2.330.0110.00516.29
7.2.320.0130.00316.55
7.2.310.0160.00316.43
7.2.300.0120.00316.31
7.2.290.0040.01416.29
7.2.00.0100.00319.29
7.1.100.0100.01017.57
7.1.70.0030.00616.98
7.1.60.0110.01419.17
7.1.50.0000.01816.83
7.1.00.0030.07722.51
7.0.200.0030.00616.51
7.0.140.0070.07021.93
7.0.100.0030.04320.15
7.0.90.0330.05320.02
7.0.80.0070.05019.90
7.0.70.0130.07319.89
7.0.60.0270.06719.91
7.0.50.0100.04020.33
7.0.40.0030.04720.04
7.0.30.0000.04720.13
7.0.20.0030.04720.12
7.0.10.0070.05020.14
7.0.00.0070.03720.07
5.6.280.0030.07020.91
5.6.250.0100.07020.62
5.6.240.0100.08020.63
5.6.230.0100.05020.65
5.6.220.0130.08020.57
5.6.210.0100.07720.61
5.6.200.0030.04321.03
5.6.190.0070.04021.07
5.6.180.0070.04020.95
5.6.170.0030.04321.10
5.6.160.0070.04021.04
5.6.150.0000.04321.07
5.6.140.0070.04021.00
5.6.130.0200.03020.95
5.6.120.0030.05321.07
5.6.110.0130.07021.04
5.6.100.0130.04321.09
5.6.90.0030.08020.97
5.6.80.0030.07020.39
5.6.70.0030.04720.37
5.6.60.0070.04320.38
5.6.50.0030.04020.32
5.6.40.0030.04020.46
5.6.30.0100.03320.39
5.6.20.0100.03320.48
5.6.10.0070.05720.41
5.6.00.0000.04720.29
5.5.380.0030.04720.39
5.5.370.0100.07020.39
5.5.360.0000.08320.34
5.5.350.0130.08020.41
5.5.340.0030.04720.85
5.5.330.0030.04320.75
5.5.320.0030.04320.80
5.5.310.0070.04020.80
5.5.300.0000.05320.91
5.5.290.0130.04020.86
5.5.280.0070.08020.72
5.5.270.0070.06020.71
5.5.260.0170.05020.88
5.5.250.0070.04720.70
5.5.240.0070.03720.14
5.5.230.0070.04720.25
5.5.220.0070.03720.20
5.5.210.0070.03720.23
5.5.200.0000.04020.11
5.5.190.0070.03720.26
5.5.180.0100.03720.21
5.5.160.0000.04320.22
5.5.150.0000.03720.23
5.5.140.0030.04020.09
5.5.130.0000.04320.26
5.5.120.0030.04020.21
5.5.110.0070.04020.22
5.5.100.0070.04320.07
5.5.90.0030.03720.06
5.5.80.0070.03020.09
5.5.70.0030.05320.08
5.5.60.0070.03319.99
5.5.50.0030.04020.05
5.5.40.0000.03720.04
5.5.30.0130.07719.94
5.5.20.0130.07319.89
5.5.10.0070.05319.96
5.5.00.0070.08020.00
5.4.450.0100.07719.47
5.4.440.0070.05319.11
5.4.430.0030.03719.34
5.4.420.0030.04719.37
5.4.410.0100.03719.27
5.4.400.0100.03318.96
5.4.390.0000.04318.98
5.4.380.0030.04019.10
5.4.370.0030.03718.99
5.4.360.0030.04018.99
5.4.350.0100.03319.03
5.4.340.0000.04318.81
5.4.320.0070.03719.03
5.4.310.0000.04018.98
5.4.300.0030.03019.05
5.4.290.0000.04019.14
5.4.280.0070.03019.07
5.4.270.0030.03019.06
5.4.260.0030.03318.94
5.4.250.0070.03318.80
5.4.240.0070.03719.09
5.4.230.0070.03018.97
5.4.220.0000.04319.14
5.4.210.0100.07018.80
5.4.200.0030.04019.11
5.4.190.0130.07019.06
5.4.180.0000.08319.07
5.4.170.0030.06019.04
5.4.160.0230.06719.07
5.4.150.0200.06719.00
5.4.140.0070.08316.07
5.4.130.0070.05716.27
5.4.120.0130.06016.38
5.4.110.0000.05316.21
5.4.100.0070.04016.38
5.4.90.0030.07716.34
5.4.80.0100.04016.40
5.4.70.0030.04316.43
5.4.60.0100.03316.36
5.4.50.0100.05016.33
5.4.40.0070.04316.47
5.4.30.0130.05716.37
5.4.20.0130.04316.18
5.4.10.0070.07716.27
5.4.00.0070.07015.77
5.3.290.0030.03314.65
5.3.280.0000.06314.41
5.3.270.0130.07014.57
5.3.260.0100.06014.46
5.3.250.0000.08014.58
5.3.240.0070.06014.56
5.3.230.0100.07014.53
5.3.220.0130.08314.52
5.3.210.0130.07014.52
5.3.200.0070.06714.51
5.3.190.0100.04314.54
5.3.180.0100.04314.54
5.3.170.0070.03714.38
5.3.160.0070.03314.39
5.3.150.0030.04014.55
5.3.140.0200.07014.52
5.3.130.0070.06314.36
5.3.120.0070.07714.54
5.3.110.0070.07714.39
5.3.100.0030.04313.85
5.3.90.0130.06713.99
5.3.80.0030.07713.95
5.3.70.0070.07313.86
5.3.60.0030.07313.98
5.3.50.0070.04313.80
5.3.40.0030.07013.79
5.3.30.0100.06713.68
5.3.20.0070.08013.54
5.3.10.0100.06313.60
5.3.00.0070.07013.59
5.2.170.0070.05311.13
5.2.160.0130.05011.12
5.2.150.0030.03010.97
5.2.140.0000.03711.09
5.2.130.0070.06711.16
5.2.120.0030.05011.01
5.2.110.0070.06011.02
5.2.100.0070.06711.04
5.2.90.0130.05711.13
5.2.80.0030.03711.11
5.2.70.0070.06011.09
5.2.60.0070.04310.96
5.2.50.0030.06310.80
5.2.40.0030.05310.85
5.2.30.0030.06311.02
5.2.20.0070.05710.91
5.2.10.0000.06010.73
5.2.00.0070.06010.65
5.1.60.0130.0309.98
5.1.50.0000.0379.98
5.1.40.0130.0479.95
5.1.30.0000.06010.19
5.1.20.0070.03010.37
5.1.10.0030.05310.05
5.1.00.0030.0339.90
5.0.50.0000.0478.38
5.0.40.0100.0138.24
5.0.30.0030.0578.28
5.0.20.0070.0408.20
5.0.10.0030.0438.27
5.0.00.0030.0507.98
4.4.90.0070.0337.95
4.4.80.0000.0237.95
4.4.70.0000.0377.95
4.4.60.0070.0307.95
4.4.50.0000.0307.95
4.4.40.0030.0277.95
4.4.30.0000.0377.95
4.4.20.0070.0307.95
4.4.10.0030.0177.95
4.4.00.0030.0407.95
4.3.110.0030.0337.95
4.3.100.0030.0277.95
4.3.90.0030.0277.95
4.3.80.0030.0307.95
4.3.70.0000.0177.95
4.3.60.0000.0237.95
4.3.50.0000.0237.95
4.3.40.0030.0377.95
4.3.30.0000.0307.95
4.3.20.0030.0177.95
4.3.10.0030.0337.95
4.3.00.0000.0377.95

preferences:
38.02 ms | 400 KiB | 5 Q