3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo utf8_encode(utf8_decode('漢字'));

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)
8.3.60.0090.00616.63
8.3.50.0090.00617.44
8.3.40.0110.00318.72
8.3.30.0110.00318.62
8.3.20.0040.00418.70
8.3.10.0030.00620.36
8.3.00.0040.00417.50
8.2.180.0100.01016.63
8.2.170.0110.00422.96
8.2.160.0070.00722.08
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0050.00526.16
8.2.120.0000.00719.79
8.2.110.0030.00621.11
8.2.100.0110.00017.78
8.2.90.0000.00819.23
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0040.00417.92
8.2.50.0000.01018.07
8.2.40.0000.00918.16
8.2.30.0060.00318.05
8.2.20.0040.00417.61
8.2.10.0060.00317.68
8.2.00.0000.00717.49
8.1.280.0110.00425.92
8.1.270.0070.00024.66
8.1.260.0000.00826.35
8.1.250.0050.00228.09
8.1.240.0100.00722.47
8.1.230.0110.00020.96
8.1.220.0080.00018.77
8.1.210.0080.00018.91
8.1.200.0030.00617.10
8.1.190.0050.00317.40
8.1.180.0040.00418.10
8.1.170.0000.00818.84
8.1.160.0080.00018.63
8.1.150.0030.00618.54
8.1.140.0050.00517.32
8.1.130.0000.00617.62
8.1.120.0070.00017.18
8.1.110.0000.00717.27
8.1.100.0000.00717.25
8.1.90.0040.00417.32
8.1.80.0000.00917.30
8.1.70.0000.00717.34
8.1.60.0080.00017.33
8.1.50.0040.00417.32
8.1.40.0020.00517.24
8.1.30.0000.00717.49
8.1.20.0040.00417.41
8.1.10.0050.00317.38
8.1.00.0040.00417.28
8.0.300.0000.00819.81
8.0.290.0050.00216.75
8.0.280.0000.00718.29
8.0.270.0070.00017.10
8.0.260.0060.00316.74
8.0.250.0080.00016.92
8.0.240.0030.00616.85
8.0.230.0030.00316.83
8.0.220.0030.00316.72
8.0.210.0070.00016.77
8.0.200.0030.00316.80
8.0.190.0070.00016.80
8.0.180.0050.00216.66
8.0.170.0040.00416.80
8.0.160.0030.00316.76
8.0.150.0000.01016.64
8.0.140.0040.00416.76
8.0.130.0000.00613.22
8.0.120.0000.00816.78
8.0.110.0080.00016.65
8.0.100.0000.00816.75
8.0.90.0040.00416.56
8.0.80.0090.00616.74
8.0.70.0080.00016.77
8.0.60.0040.00416.75
8.0.50.0000.00716.58
8.0.30.0110.00616.98
8.0.20.0100.00917.07
8.0.10.0000.00716.88
8.0.00.0100.00716.56
7.4.330.0030.00314.70
7.4.320.0000.00616.50
7.4.300.0000.00616.35
7.4.290.0000.00716.36
7.4.280.0030.00516.40
7.4.270.0000.00716.34
7.4.260.0030.00313.13
7.4.250.0040.00416.30
7.4.240.0000.00816.47
7.4.230.0030.00316.36
7.4.220.0070.01716.42
7.4.210.0060.00916.44
7.4.200.0000.00716.46
7.4.190.0050.00316.55
7.4.160.0120.00816.40
7.4.150.0120.01217.07
7.4.140.0080.00817.03
7.4.130.0120.01016.34
7.4.120.0030.01316.32
7.4.110.0080.00916.23
7.4.100.0130.00316.46
7.4.90.0070.01116.40
7.4.80.0130.00418.63
7.4.70.0100.00716.18
7.4.60.0120.00616.35
7.4.50.0000.00622.66
7.4.40.0130.00321.69
7.4.30.0100.00616.46
7.4.00.0060.00814.88
7.3.330.0000.00613.00
7.3.320.0000.00612.97
7.3.310.0030.00316.03
7.3.300.0030.00316.01
7.3.290.0030.00916.23
7.3.280.0050.01016.16
7.3.270.0070.01017.07
7.3.260.0110.00718.24
7.3.250.0120.00816.25
7.3.240.0100.00616.28
7.3.230.0120.00316.27
7.3.210.0180.00616.30
7.3.200.0110.01119.39
7.3.190.0130.01016.30
7.3.180.0100.01016.08
7.3.170.0170.00616.30
7.3.160.0130.00616.38
7.3.120.0050.01014.68
7.3.110.0060.01314.49
7.3.100.0060.00614.79
7.3.90.0030.01014.58
7.3.80.0000.00914.57
7.3.70.0080.00314.71
7.3.60.0100.00314.59
7.3.50.0030.01014.56
7.3.40.0070.01014.48
7.3.30.0070.00714.33
7.3.20.0070.00716.51
7.3.10.0040.01116.64
7.3.00.0090.00616.39
7.2.330.0070.01016.24
7.2.320.0090.00916.41
7.2.310.0130.01016.23
7.2.300.0060.01216.52
7.2.290.0090.00616.38
7.2.250.0060.00814.52
7.2.240.0120.00914.78
7.2.230.0000.01014.78
7.2.220.0070.01015.01
7.2.210.0080.00814.98
7.2.200.0030.01315.02
7.2.190.0060.00314.92
7.2.180.0030.01314.56
7.2.170.0090.00914.69
7.1.330.0080.00815.84
7.1.320.0120.00315.69
7.1.310.0110.00415.58
7.1.300.0090.00315.55
7.1.290.0140.00315.40
7.1.280.0000.01715.42
7.1.270.0090.00415.32
7.1.260.0030.00615.77
7.1.100.0000.01217.81
7.1.70.0040.00416.90
7.1.60.0000.01017.27
7.1.50.0000.02116.73
7.1.00.0000.08022.43
7.0.200.0030.01216.57
7.0.140.0070.07021.95
7.0.120.0030.03322.09
7.0.60.0030.06319.92
7.0.50.0030.04717.84
7.0.40.0030.09019.90
7.0.30.0470.06320.02
7.0.20.0430.06320.33
7.0.10.0270.05320.09
7.0.00.0000.04720.12
5.6.280.0030.07320.98
5.6.210.0100.08720.67
5.6.200.0030.08318.21
5.6.190.0000.05020.60
5.6.180.0130.04720.24
5.6.170.0200.05020.51
5.6.160.0100.06320.46
5.6.150.0170.06318.11
5.6.140.0100.06318.21
5.6.130.0030.04018.07
5.6.120.0100.09021.13
5.6.110.0030.04021.13
5.6.100.0100.05020.96
5.6.90.0000.04720.98
5.6.80.0200.06720.50
5.6.70.0200.08320.38
5.5.350.0200.03320.45
5.5.340.0070.07017.98
5.5.330.0070.04020.57
5.5.320.0070.06020.37
5.5.310.0200.08020.30
5.5.300.0100.04717.89
5.5.290.0200.06017.98
5.5.280.0000.04320.67
5.5.270.0100.07720.82
5.5.260.0070.04320.76
5.5.250.0130.08020.48
5.5.240.0070.04720.32
5.4.450.0000.08719.45
5.4.440.0100.05319.42
5.4.430.0000.04719.46
5.4.420.0000.04319.50
5.4.410.0130.03719.20
5.4.400.0100.05719.09
5.4.390.0100.05719.18
5.4.380.0100.07319.19
5.4.370.0100.03319.17
5.4.360.0100.07719.09
5.4.350.0070.04718.79
5.4.340.0070.03719.11
5.4.320.0030.04719.17
5.4.310.0000.06719.17
5.4.300.0070.04319.08
5.4.290.0070.04319.13
5.4.280.0130.07019.18
5.4.270.0030.04719.15
5.4.260.0100.03319.08
5.4.250.0100.03718.78
5.4.240.0070.06318.80
5.4.230.0000.05319.07
5.4.220.0030.07718.91
5.4.210.0070.07719.08
5.4.200.0100.07018.79
5.4.190.0000.08318.99
5.4.180.0070.04319.17
5.4.170.0070.07719.09
5.4.160.0100.04019.15
5.4.150.0030.03719.16
5.4.140.0030.03716.36
5.4.130.0030.03316.33
5.4.120.0130.03716.27
5.4.110.0030.03716.36
5.4.100.0030.07016.40
5.4.90.0030.05016.32
5.4.80.0030.07316.23
5.4.70.0070.07016.43
5.4.60.0030.08016.21
5.4.50.0070.06016.27
5.4.40.0070.07716.36
5.4.30.0100.07016.33
5.4.20.0300.05316.25
5.4.10.0070.07716.38
5.4.00.0100.05315.71
5.3.290.0070.03714.56
5.3.280.0000.05014.41
5.3.270.0000.08014.54
5.3.260.0030.04314.55
5.3.250.0030.03714.56
5.3.240.0030.03714.54
5.3.230.0030.05714.47
5.3.220.0070.06714.58
5.3.210.0100.05714.46
5.3.200.0030.04714.57
5.3.190.0030.07714.49
5.3.180.0070.07714.55
5.3.170.0070.04014.48
5.3.160.0030.06314.65
5.3.150.0030.08014.53
5.3.140.0130.06714.56
5.3.130.0100.07014.46
5.3.120.0070.08014.36
5.3.110.0100.07314.50
5.3.100.0100.05713.96
5.3.90.0070.07714.03
5.3.80.0130.03313.93
5.3.70.0100.06014.00
5.3.60.0130.06713.82
5.3.50.0070.03713.87
5.3.40.0030.04713.91
5.3.30.0100.07313.88
5.3.20.0100.04313.61
5.3.10.0030.04013.58
5.3.00.0070.06313.59
5.2.170.0170.03711.04
5.2.160.0030.03011.04
5.2.150.0030.03011.22
5.2.140.0130.02711.14
5.2.130.0130.03010.98
5.2.120.0170.02311.12
5.2.110.0070.06011.04
5.2.100.0100.05311.08
5.2.90.0000.04011.04
5.2.80.0030.06011.24
5.2.70.0030.05311.08
5.2.60.0030.06010.89
5.2.50.0030.03010.83
5.2.40.0070.03710.92
5.2.30.0000.03710.84
5.2.20.0030.03310.88
5.2.10.0100.04310.90
5.2.00.0000.03710.59
5.1.60.0070.0439.94
5.1.50.0000.0409.95
5.1.40.0030.0379.92
5.1.30.0000.06010.28
5.1.20.0030.05310.25
5.1.10.0030.04010.12
5.1.00.0000.06010.14
5.0.50.0070.0238.60
5.0.40.0000.0238.24
5.0.30.0000.0378.29
5.0.20.0000.0478.10
5.0.10.0000.0208.31
5.0.00.0000.0308.12
4.4.90.0030.0177.82
4.4.80.0030.0177.82
4.4.70.0030.0137.82
4.4.60.0000.0177.82
4.4.50.0030.0237.82
4.4.40.0000.0337.82
4.4.30.0000.0337.82
4.4.20.0000.0237.82
4.4.10.0100.0277.82
4.4.00.0000.0277.82
4.3.110.0070.0237.82
4.3.100.0030.0307.82
4.3.90.0130.0207.82
4.3.80.0000.0507.82
4.3.70.0030.0307.82
4.3.60.0000.0177.82
4.3.50.0030.0337.82
4.3.40.0000.0307.82
4.3.30.0000.0237.82
4.3.20.0030.0377.82
4.3.10.0000.0307.82
4.3.00.0000.0407.82

preferences:
40.17 ms | 401 KiB | 5 Q