3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_encode(utf8_decode('föö')));

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)
8.3.40.0040.01218.47
8.3.30.0040.01118.71
8.3.20.0040.00418.61
8.3.10.0000.00820.34
8.3.00.0040.00419.26
8.2.170.0080.01218.66
8.2.160.0140.00022.96
8.2.150.0040.01124.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00419.23
8.2.110.0070.01420.94
8.2.100.0090.00317.66
8.2.90.0090.00019.13
8.2.80.0050.00317.97
8.2.70.0000.00817.63
8.2.60.0040.00417.80
8.2.50.0090.00018.07
8.2.40.0000.00818.10
8.2.30.0050.00317.91
8.2.20.0000.00817.55
8.2.10.0050.00217.72
8.2.00.0070.00017.48
8.1.270.0030.00624.66
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0120.00017.23
8.1.230.0110.00017.67
8.1.220.0000.00817.74
8.1.210.0050.00518.77
8.1.200.0000.00817.10
8.1.190.0070.00017.10
8.1.180.0060.00318.10
8.1.170.0080.00018.91
8.1.160.0050.00218.77
8.1.150.0080.00018.46
8.1.140.0040.00417.17
8.1.130.0030.00317.62
8.1.120.0000.00817.32
8.1.110.0000.00717.20
8.1.100.0070.00017.34
8.1.90.0030.00517.32
8.1.80.0000.00717.21
8.1.70.0030.00317.27
8.1.60.0000.00717.46
8.1.50.0040.00417.29
8.1.40.0030.00617.36
8.1.30.0000.00717.40
8.1.20.0080.00017.46
8.1.10.0000.00817.27
8.1.00.0040.00417.31
8.0.300.0070.00018.77
8.0.290.0060.00316.58
8.0.280.0040.00418.30
8.0.270.0030.00317.04
8.0.260.0000.00716.59
8.0.250.0060.00316.73
8.0.240.0000.00816.79
8.0.230.0000.00716.83
8.0.220.0080.00016.65
8.0.210.0040.00416.76
8.0.200.0060.00016.79
8.0.190.0040.00416.86
8.0.180.0070.00316.70
8.0.170.0050.00316.80
8.0.160.0000.00716.80
8.0.150.0000.01016.66
8.0.140.0070.00316.71
8.0.130.0030.00513.23
8.0.120.0050.00216.74
8.0.110.0070.00016.68
8.0.100.0000.00716.65
8.0.90.0040.00416.77
8.0.80.0120.00916.75
8.0.70.0040.00416.80
8.0.60.0000.00716.73
8.0.50.0040.00416.72
8.0.30.0160.00316.72
8.0.20.0090.01316.93
8.0.10.0040.00416.90
8.0.00.0130.00816.54
7.4.330.0000.00512.86
7.4.320.0000.00616.36
7.4.300.0000.00716.30
7.4.290.0030.00316.38
7.4.280.0050.00316.29
7.4.270.0080.00016.45
7.4.260.0030.00313.17
7.4.250.0000.00916.23
7.4.240.0000.00716.47
7.4.230.0000.00716.27
7.4.220.0090.00916.53
7.4.210.0040.01116.47
7.4.200.0040.00416.26
7.4.190.0040.00416.63
7.4.160.0130.00316.13
7.4.150.0080.00916.45
7.4.140.0080.01116.35
7.4.130.0080.01016.41
7.4.120.0100.01016.40
7.4.110.0100.00616.37
7.4.100.0090.00916.26
7.4.90.0120.01216.22
7.4.80.0070.01119.39
7.4.70.0110.00816.48
7.4.60.0060.01816.34
7.4.50.0060.00316.35
7.4.40.0040.01216.31
7.4.30.0070.01016.30
7.4.00.0030.01414.74
7.3.330.0030.00313.06
7.3.320.0050.00313.04
7.3.310.0060.00015.95
7.3.300.0000.00716.02
7.3.290.0060.01516.11
7.3.280.0100.00716.12
7.3.270.0170.00616.07
7.3.260.0070.01016.44
7.3.250.0080.00816.40
7.3.240.0090.00616.24
7.3.230.0000.01916.30
7.3.210.0030.01216.15
7.3.200.0090.01216.41
7.3.190.0120.01116.36
7.3.180.0100.00716.35
7.3.170.0120.00316.29
7.3.160.0060.00916.37
7.3.120.0080.00414.80
7.2.330.0060.01416.32
7.2.320.0100.00716.38
7.2.310.0110.00916.30
7.2.300.0060.00916.55
7.2.290.0090.00916.46
7.2.00.0070.00719.20
7.1.200.0000.01015.69
7.1.100.0060.00918.03
7.1.70.0060.00916.97
7.1.60.0100.01419.40
7.1.50.0030.01716.84
7.1.00.0100.05722.51
7.0.200.0040.01116.60
7.0.140.0030.07322.15
7.0.120.0000.07722.02
7.0.90.0070.08719.88
7.0.80.0100.05719.80
7.0.70.0170.06319.90
7.0.60.0100.08019.87
7.0.50.0170.06320.34
7.0.40.0070.08720.04
7.0.30.0130.08320.04
7.0.20.0130.04320.13
7.0.10.0100.08020.05
7.0.00.0130.04020.09
5.6.280.0030.07320.80
5.6.240.0100.08720.59
5.6.230.0170.07720.68
5.6.220.0070.05020.48
5.6.210.0070.04020.75
5.6.200.0030.09320.93
5.6.190.0170.07721.13
5.6.180.0130.08021.02
5.6.170.0130.08021.07
5.6.160.0030.07721.16
5.6.150.0030.05721.00
5.6.140.0070.08320.95
5.6.130.0030.08020.95
5.6.120.0100.08021.02
5.6.110.0000.06321.01
5.6.100.0030.04720.94
5.6.90.0100.04321.10
5.6.80.0070.04020.33
5.6.70.0130.05320.48
5.6.60.0200.07020.39
5.6.50.0030.07720.26
5.6.40.0070.05020.35
5.6.30.0100.05720.29
5.6.20.0070.07720.36
5.6.10.0070.04320.35
5.6.00.0100.04320.43
5.5.380.0130.07720.55
5.5.370.0000.08020.35
5.5.360.0070.08020.41
5.5.350.0030.05020.43
5.5.340.0100.08720.75
5.5.330.0030.08720.75
5.5.320.0030.09020.89
5.5.310.0170.07320.78
5.5.300.0070.07020.88
5.5.290.0100.08720.89
5.5.280.0070.06020.91
5.5.270.0030.09020.71
5.5.260.0000.04720.82
5.5.250.0070.04320.69
5.5.240.0000.04720.18
5.5.230.0100.07020.29
5.5.220.0070.05720.26
5.5.210.0070.06720.25
5.5.200.0130.07320.08
5.5.190.0130.08019.98
5.5.180.0030.07320.24
5.5.160.0000.06320.11
5.5.150.0000.05720.19
5.5.140.0100.06019.98
5.5.130.0000.05020.07
5.5.120.0000.04720.10
5.5.110.0070.03720.18
5.5.100.0030.04020.07
5.5.90.0070.03320.08
5.5.80.0000.04020.05
5.5.70.0100.03319.98
5.5.60.0070.03320.08
5.5.50.0030.04320.14
5.5.40.0070.03720.14
5.5.30.0070.04020.03
5.5.20.0030.04020.07
5.5.10.0100.03319.96
5.5.00.0030.03320.04
5.4.450.0130.08019.29
5.4.440.0100.07319.38
5.4.430.0130.06719.39
5.4.420.0000.05019.37
5.4.410.0030.04719.27
5.4.400.0030.04019.10
5.4.390.0070.08019.07
5.4.380.0070.07719.23
5.4.370.0070.03719.04
5.4.360.0100.07719.09
5.4.350.0070.07319.03
5.4.340.0100.07719.13
5.4.320.0130.06319.05
5.4.310.0070.07019.07
5.4.300.0100.04018.80
5.4.290.0100.03319.12
5.4.280.0070.04019.05
5.4.270.0070.04718.96
5.4.260.0100.03319.03
5.4.250.0030.03719.22
5.4.240.0070.03718.93
5.4.230.0000.04019.04
5.4.220.0070.03318.95
5.4.210.0030.03718.75
5.4.200.0070.03319.05
5.4.190.0030.03718.93
5.4.180.0070.05319.11
5.4.170.0070.03719.10
5.4.160.0000.04719.07
5.4.150.0100.06719.02
5.4.140.0000.06016.23
5.4.130.0030.05316.25
5.4.120.0130.02016.23
5.4.110.0130.02716.43
5.4.100.0030.04016.30
5.4.90.0030.03716.25
5.4.80.0000.03716.27
5.4.70.0000.03716.29
5.4.60.0100.03016.25
5.4.50.0030.03316.18
5.4.40.0030.03716.28
5.4.30.0070.03016.24
5.4.20.0000.03316.18
5.4.10.0030.03716.19
5.4.00.0000.03715.67
5.3.290.0070.08014.66
5.3.280.0030.03714.57
5.3.270.0130.04014.58
5.3.260.0000.03714.50
5.3.250.0030.03314.55
5.3.240.0070.03314.55
5.3.230.0030.03714.58
5.3.220.0100.03014.57
5.3.210.0030.04314.39
5.3.200.0000.03314.56
5.3.190.0030.03314.38
5.3.180.0030.05714.51
5.3.170.0030.03314.50
5.3.160.0000.04014.57
5.3.150.0070.03314.44
5.3.140.0100.05014.54
5.3.130.0030.04014.48
5.3.120.0030.03714.53
5.3.110.0030.04014.52
5.3.100.0000.04013.85
5.3.90.0070.03314.00
5.3.80.0070.03713.96
5.3.70.0070.03014.02
5.3.60.0000.03313.86
5.3.50.0030.03713.89
5.3.40.0000.04013.89
5.3.30.0030.03313.86
5.3.20.0000.03313.62
5.3.10.0030.06313.64
5.3.00.0000.03713.62
5.2.170.0030.02711.13
5.2.160.0030.02711.17
5.2.150.0000.03011.13
5.2.140.0070.03011.05
5.2.130.0000.03011.09
5.2.120.0000.03311.09
5.2.110.0070.02311.13
5.2.100.0070.05010.91
5.2.90.0000.03011.05
5.2.80.0030.02711.05
5.2.70.0070.03011.09
5.2.60.0000.03010.91
5.2.50.0030.05311.08
5.2.40.0030.03311.02
5.2.30.0100.06011.04
5.2.20.0100.05310.88
5.2.10.0030.04710.93
5.2.00.0030.06010.61
5.1.60.0030.05710.00
5.1.50.0070.0479.97
5.1.40.0070.0539.80
5.1.30.0070.05010.38
5.1.20.0100.04710.27
5.1.10.0130.04310.05
5.1.00.0170.04710.06
5.0.50.0100.0378.54
5.0.40.0030.0478.48
5.0.30.0030.0638.25
5.0.20.0000.0408.22
5.0.10.0070.0408.15
5.0.00.0000.0608.21
4.4.90.0070.0107.43
4.4.80.0030.0337.43
4.4.70.0000.0377.43
4.4.60.0000.0377.43
4.4.50.0000.0377.43
4.4.40.0000.0537.43
4.4.30.0000.0407.43
4.4.20.0070.0207.43
4.4.10.0030.0377.43
4.4.00.0030.0477.43
4.3.110.0000.0307.43
4.3.100.0030.0207.43
4.3.90.0000.0277.43
4.3.80.0030.0507.43
4.3.70.0200.0077.43
4.3.60.0000.0377.43
4.3.50.0030.0337.43
4.3.40.0000.0477.43
4.3.30.0030.0337.43
4.3.20.0000.0407.43
4.3.10.0000.0337.43
4.3.00.0030.0277.43

preferences:
39.31 ms | 400 KiB | 5 Q