3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_encode((object) ['éüå']));

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)
8.3.60.0150.00618.30
8.3.50.0090.00721.99
8.3.40.0070.00718.51
8.3.30.0120.00618.79
8.3.20.0070.00020.16
8.3.10.0040.00423.40
8.3.00.0040.00419.07
8.2.180.0090.00916.63
8.2.170.0140.00722.96
8.2.160.0030.01020.35
8.2.150.0000.00724.18
8.2.140.0000.00824.66
8.2.130.0100.00326.16
8.2.120.0080.00020.84
8.2.110.0180.00022.21
8.2.100.0080.00320.54
8.2.90.0030.00619.15
8.2.80.0000.00917.97
8.2.70.0050.00317.50
8.2.60.0070.00317.68
8.2.50.0080.00018.07
8.2.40.0000.00817.78
8.2.30.0050.00318.10
8.2.20.0040.00417.61
8.2.10.0040.00417.77
8.2.00.0000.00817.67
8.1.280.0060.01225.92
8.1.270.0040.00421.87
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00622.04
8.1.230.0110.00019.01
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0050.00517.23
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0000.00818.51
8.1.160.0070.00021.86
8.1.150.0040.00418.51
8.1.140.0080.00017.23
8.1.130.0000.00717.81
8.1.120.0040.00417.34
8.1.110.0000.00717.29
8.1.100.0070.00017.21
8.1.90.0000.00717.37
8.1.80.0040.00417.15
8.1.70.0030.00317.28
8.1.60.0040.00417.42
8.1.50.0040.00417.42
8.1.40.0050.00317.36
8.1.30.0030.00517.48
8.1.20.0030.00617.52
8.1.10.0040.00417.36
8.1.00.0000.00717.35
8.0.300.0000.00818.77
8.0.290.0070.00016.58
8.0.280.0000.00718.21
8.0.270.0030.00317.13
8.0.260.0060.00016.99
8.0.250.0000.00716.79
8.0.240.0000.00716.92
8.0.230.0000.00716.92
8.0.220.0060.00016.68
8.0.210.0080.00016.76
8.0.200.0030.00316.78
8.0.190.0030.00616.87
8.0.180.0040.00416.86
8.0.170.0090.00016.79
8.0.160.0000.00716.81
8.0.150.0030.00316.80
8.0.140.0030.00316.69
8.0.130.0060.00013.21
8.0.120.0000.00716.66
8.0.110.0040.00416.83
8.0.100.0040.00416.80
8.0.90.0050.00316.80
8.0.80.0140.00716.88
8.0.70.0040.00416.70
8.0.60.0030.00316.77
8.0.50.0050.00316.85
8.0.30.0130.01016.86
8.0.20.0120.00917.40
8.0.10.0050.00216.88
8.0.00.0090.00916.76
7.4.330.0000.00515.00
7.4.320.0050.00216.51
7.4.300.0000.00616.39
7.4.290.0000.00716.41
7.4.280.0080.00316.45
7.4.270.0080.00016.47
7.4.260.0030.00316.34
7.4.250.0040.00416.30
7.4.240.0030.00416.39
7.4.230.0020.00516.24
7.4.220.0100.00916.39
7.4.210.0110.00716.52
7.4.200.0000.00716.45
7.4.190.0000.00716.42
7.4.160.0090.00616.54
7.4.150.0200.00017.40
7.4.140.0090.00917.86
7.4.130.0080.01016.37
7.4.120.0100.00716.23
7.4.110.0150.00316.43
7.4.100.0100.00716.13
7.4.90.0110.00716.50
7.4.80.0130.00819.39
7.4.70.0060.00916.41
7.4.60.0080.00816.37
7.4.50.0040.00416.24
7.4.40.0060.00916.39
7.4.30.0150.00016.54
7.4.00.0040.01114.98
7.3.330.0000.00613.05
7.3.320.0000.00613.02
7.3.310.0030.00416.02
7.3.300.0040.00416.07
7.3.290.0090.00616.17
7.3.280.0080.00816.21
7.3.270.0100.01117.40
7.3.260.0110.00516.08
7.3.250.0100.01016.37
7.3.240.0040.01316.36
7.3.230.0080.00816.39
7.3.210.0140.00316.25
7.3.200.0080.00819.39
7.3.190.0120.01016.24
7.3.180.0060.01016.11
7.3.170.0030.01316.27
7.3.160.0110.00716.38
7.3.120.0090.00614.68
7.2.330.0070.01116.43
7.2.320.0090.01116.48
7.2.310.0150.00616.56
7.2.300.0060.01616.60
7.2.290.0060.01116.31
7.1.100.0040.01518.32
7.1.70.0040.00417.00
7.1.60.0130.00719.70
7.1.50.0070.01916.81
7.1.00.0100.07022.35
7.0.200.0000.00716.71
7.0.140.0030.07322.07
7.0.90.0500.05319.84
7.0.80.0570.07719.96
7.0.70.0570.05019.92
7.0.60.0670.07319.91
7.0.50.0470.05720.32
7.0.40.0100.07720.05
7.0.30.0170.05019.95
7.0.20.0070.09020.19
7.0.10.0000.07720.14
7.0.00.0000.08320.07
5.6.280.0030.07021.07
5.6.240.0130.07020.68
5.6.230.0100.07320.67
5.6.220.0170.05020.67
5.6.210.0030.05020.76
5.6.200.0070.07721.02
5.6.190.0200.07021.03
5.6.180.0030.07321.13
5.6.170.0100.08321.11
5.6.160.0070.07721.04
5.6.150.0030.08321.01
5.6.140.0030.04320.94
5.6.130.0070.10021.12
5.6.120.0030.05020.96
5.6.110.0170.07321.01
5.6.100.0070.08021.00
5.6.90.0030.04321.05
5.6.80.0100.04020.34
5.6.70.0070.04320.40
5.6.60.0070.04020.44
5.6.50.0030.04020.43
5.6.40.0000.04320.43
5.6.30.0070.03720.32
5.6.20.0000.04320.42
5.6.10.0000.04320.28
5.6.00.0000.03720.50
5.5.380.0070.06720.44
5.5.370.0130.07320.44
5.5.360.0100.05320.30
5.5.350.0100.08020.45
5.5.340.0070.05720.68
5.5.330.0070.07720.87
5.5.320.0070.08720.87
5.5.310.0230.07320.91
5.5.300.0030.05020.85
5.5.290.0070.07020.72
5.5.280.0000.05320.88
5.5.270.0070.07720.90
5.5.260.0100.08320.81
5.5.250.0030.08020.54
5.5.240.0030.04320.28
5.5.230.0100.05020.29
5.5.220.0030.04320.27
5.5.210.0130.03020.24
5.5.200.0000.04720.27
5.5.190.0100.05720.17
5.5.180.0070.03720.25
5.5.160.0070.03720.20
5.5.150.0030.04020.27
5.5.140.0030.04020.21
5.5.130.0070.03020.25
5.5.120.0030.07720.17
5.5.110.0000.04320.25
5.5.100.0000.03720.04
5.5.90.0030.04020.15
5.5.80.0000.04320.08
5.5.70.0030.03720.15
5.5.60.0070.03319.95
5.5.50.0070.04320.04
5.5.40.0030.03320.13
5.5.30.0000.03719.98
5.5.20.0070.03720.07
5.5.10.0030.04019.96
5.5.00.0000.04020.09
5.4.450.0030.06019.11
5.4.440.0100.07019.31
5.4.430.0200.06719.40
5.4.420.0070.06319.42
5.4.410.0070.04319.00
5.4.400.0070.04019.06
5.4.390.0100.07319.07
5.4.380.0070.07319.03
5.4.370.0130.03019.04
5.4.360.0070.03718.81
5.4.350.0130.03019.23
5.4.340.0000.04718.98
5.4.320.0100.03319.02
5.4.310.0100.03018.90
5.4.300.0030.06718.96
5.4.290.0000.04019.23
5.4.280.0030.03719.02
5.4.270.0100.05318.98
5.4.260.0070.03019.06
5.4.250.0030.06719.02
5.4.240.0000.04019.09
5.4.230.0030.03718.89
5.4.220.0070.03318.83
5.4.210.0030.03718.97
5.4.200.0100.02719.07
5.4.190.0000.06318.95
5.4.180.0070.03319.06
5.4.170.0030.04019.11
5.4.160.0070.03018.79
5.4.150.0000.04318.92
5.4.140.0100.03716.02
5.4.130.0030.03316.31
5.4.120.0100.03016.23
5.4.110.0070.03316.21
5.4.100.0000.03716.23
5.4.90.0000.03316.30
5.4.80.0030.04716.29
5.4.70.0000.04016.43
5.4.60.0000.03716.38
5.4.50.0100.05016.40
5.4.40.0070.03316.47
5.4.30.0030.03716.19
5.4.20.0070.07016.40
5.4.10.0030.07316.23
5.4.00.0100.06715.67
5.3.290.0000.04014.65
5.3.280.0030.03714.55
5.3.270.0000.04014.56
5.3.260.0000.04014.61
5.3.250.0130.05014.47
5.3.240.0000.05314.46
5.3.230.0000.03714.51
5.3.220.0030.04714.43
5.3.210.0030.03314.43
5.3.200.0000.04014.56
5.3.190.0030.05714.53
5.3.180.0030.03714.52
5.3.170.0030.03714.43
5.3.160.0070.02714.54
5.3.150.0070.03014.57
5.3.140.0070.04014.50
5.3.130.0000.04014.41
5.3.120.0030.04714.41
5.3.110.0030.05314.54
5.3.100.0130.06714.06
5.3.90.0130.06713.88
5.3.80.0070.06314.02
5.3.70.0070.06313.79
5.3.60.0130.06013.98
5.3.50.0000.06313.69
5.3.40.0030.07713.79
5.3.30.0130.05713.91
5.3.20.0030.07713.54
5.3.10.0100.05013.60
5.3.00.0130.06713.64
5.2.170.0070.05011.06
5.2.160.0030.03011.06
5.2.150.0100.04710.97
5.2.140.0070.05711.05
5.2.130.0030.05711.04
5.2.120.0000.06711.08
5.2.110.0070.06011.12
5.2.100.0000.06711.09
5.2.90.0000.07011.09
5.2.80.0070.06011.07
5.2.70.0030.04710.95
5.2.60.0030.06710.96
5.2.50.0000.06010.85
5.2.40.0000.04310.98
5.2.30.0100.03010.92
5.2.20.0070.05311.00
5.2.10.0030.06010.93
5.2.00.0070.04310.74
5.1.60.0000.06010.00
5.1.50.0030.05310.03
5.1.40.0070.0409.96
5.1.30.0000.06010.42
5.1.20.0030.06010.27
5.1.10.0030.05310.05
5.1.00.0070.04010.09
5.0.50.0000.0378.39
5.0.40.0030.0378.40
5.0.30.0030.0678.28
5.0.20.0100.0338.03
5.0.10.0130.0308.15
5.0.00.0000.0508.14
4.4.90.0030.0277.24
4.4.80.0000.0377.24
4.4.70.0000.0337.24
4.4.60.0000.0277.24
4.4.50.0000.0237.24
4.4.40.0000.0477.24
4.4.30.0000.0307.24
4.4.20.0000.0377.24
4.4.10.0030.0337.24
4.4.00.0000.0577.24
4.3.110.0000.0437.24
4.3.100.0030.0377.24
4.3.90.0070.0307.24
4.3.80.0000.0577.24
4.3.70.0070.0307.24
4.3.60.0030.0377.24
4.3.50.0000.0407.24
4.3.40.0030.0207.24
4.3.30.0030.0377.24
4.3.20.0030.0277.24
4.3.10.0030.0337.24
4.3.00.0000.0377.24

preferences:
58.73 ms | 400 KiB | 5 Q