3v4l.org

run code in 300+ PHP versions simultaneously
<?php json_encode(["foo", "bar\x80", 123]);

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)
8.3.60.0110.00416.75
8.3.50.0080.00821.92
8.3.40.0070.00718.60
8.3.30.0090.00918.81
8.3.20.0000.00819.98
8.3.10.0050.00321.59
8.3.00.0040.00417.55
8.2.180.0090.00918.07
8.2.170.0060.00922.96
8.2.160.0120.00420.52
8.2.150.0000.00824.18
8.2.140.0070.00024.66
8.2.130.0050.00326.16
8.2.120.0040.00420.95
8.2.110.0070.00421.00
8.2.100.0070.00417.59
8.2.90.0040.00419.15
8.2.80.0040.00417.97
8.2.70.0000.00917.38
8.2.60.0000.00817.91
8.2.50.0090.00018.07
8.2.40.0040.00418.03
8.2.30.0020.00518.17
8.2.20.0020.00517.48
8.2.10.0000.00717.77
8.2.00.0030.00517.55
8.1.280.0000.01425.92
8.1.270.0090.00023.92
8.1.260.0050.00226.35
8.1.250.0000.00728.09
8.1.240.0090.00022.20
8.1.230.0070.00420.61
8.1.220.0070.00017.74
8.1.210.0030.00618.77
8.1.200.0030.00617.23
8.1.190.0000.00816.86
8.1.180.0040.00418.10
8.1.170.0050.00318.65
8.1.160.0070.00321.87
8.1.150.0030.00318.68
8.1.140.0050.00217.28
8.1.130.0030.00317.63
8.1.120.0000.00817.23
8.1.110.0070.00017.29
8.1.100.0030.00317.34
8.1.90.0050.00317.24
8.1.80.0080.00017.32
8.1.70.0040.00417.25
8.1.60.0000.00817.45
8.1.50.0000.00817.33
8.1.40.0050.00217.30
8.1.30.0000.00817.52
8.1.20.0030.00617.39
8.1.10.0060.00317.33
8.1.00.0050.00217.32
8.0.300.0000.00718.77
8.0.290.0000.00816.58
8.0.280.0040.00418.30
8.0.270.0030.00317.11
8.0.260.0030.00317.15
8.0.250.0060.00016.79
8.0.240.0050.00316.78
8.0.230.0030.00316.70
8.0.220.0030.00316.69
8.0.210.0040.00416.75
8.0.200.0060.00316.72
8.0.190.0030.00316.82
8.0.180.0050.00316.77
8.0.170.0000.00816.84
8.0.160.0030.00316.70
8.0.150.0000.00816.75
8.0.140.0040.00416.71
8.0.130.0090.00013.21
8.0.120.0030.00516.61
8.0.110.0040.00416.61
8.0.100.0040.00416.77
8.0.90.0000.00716.54
8.0.80.0090.00616.69
8.0.70.0000.00816.61
8.0.60.0080.00016.63
8.0.50.0000.00716.80
8.0.30.0150.01016.92
8.0.20.0080.02117.40
8.0.10.0050.00216.73
8.0.00.0050.01316.69
7.4.330.0030.00315.02
7.4.320.0000.00716.46
7.4.300.0030.00316.38
7.4.290.0000.00916.38
7.4.280.0040.00416.51
7.4.270.0000.00716.45
7.4.260.0000.00916.32
7.4.250.0050.00316.35
7.4.240.0050.00216.43
7.4.230.0040.00316.39
7.4.220.0030.01316.47
7.4.210.0080.00616.50
7.4.200.0030.00316.44
7.4.160.0120.00316.24
7.4.150.0130.00417.40
7.4.140.0100.00817.86
7.4.130.0070.01016.24
7.4.120.0080.00916.28
7.4.110.0040.01416.39
7.4.100.0090.00916.32
7.4.90.0070.01016.21
7.4.80.0080.00819.39
7.4.70.0060.01216.29
7.4.60.0090.01416.49
7.4.50.0060.00316.50
7.4.40.0040.01316.47
7.4.30.0040.01116.57
7.4.00.0060.00914.85
7.3.330.0000.00612.93
7.3.320.0030.00312.97
7.3.310.0040.00416.01
7.3.300.0000.00616.16
7.3.290.0000.01416.07
7.3.280.0110.00916.14
7.3.270.0080.00817.40
7.3.260.0120.01216.11
7.3.250.0100.01116.28
7.3.240.0100.00616.26
7.3.230.0100.00716.39
7.3.210.0080.00816.02
7.3.200.0090.01219.39
7.3.190.0070.01016.34
7.3.180.0030.01216.24
7.3.170.0060.00916.27
7.3.160.0070.00716.18
7.3.120.0070.00814.63
7.3.110.0070.01014.79
7.3.100.0070.00714.55
7.3.90.0000.01514.81
7.3.80.0060.00614.56
7.3.70.0060.00314.56
7.3.60.0060.00914.44
7.3.50.0030.01014.58
7.3.40.0060.00614.66
7.3.30.0130.00014.32
7.3.20.0100.00616.45
7.3.10.0080.00316.43
7.3.00.0080.00616.66
7.2.330.0100.01016.51
7.2.320.0060.01016.49
7.2.310.0100.00716.18
7.2.300.0060.00916.50
7.2.290.0080.00816.37
7.2.250.0090.01014.98
7.2.240.0130.00614.99
7.2.230.0130.00614.99
7.2.220.0040.01514.82
7.2.210.0090.00614.95
7.2.200.0090.00014.93
7.2.190.0070.00714.63
7.2.180.0040.01115.02
7.2.170.0070.00714.54
7.2.60.0040.01116.68
7.2.00.0000.01319.02
7.1.330.0030.01015.77
7.1.320.0070.01115.82
7.1.310.0000.01615.53
7.1.300.0060.01015.64
7.1.290.0040.00815.44
7.1.280.0070.00715.69
7.1.270.0030.00615.71
7.1.260.0050.00515.45
7.1.200.0220.00415.27
7.1.100.0700.00311.99
7.1.70.0030.00717.00
7.1.60.0150.01519.70
7.1.50.0040.01116.63
7.1.00.0030.07322.28
7.0.200.0000.00716.72
7.0.140.0130.06322.01
7.0.90.0100.06019.93
7.0.80.0130.07319.84
7.0.70.0030.04719.84
7.0.60.0100.08320.01
7.0.50.0100.04720.28
7.0.40.0170.05020.11
7.0.30.0070.08320.04
7.0.20.0070.06720.13
7.0.10.0130.04020.00
7.0.00.0100.06020.18
5.6.280.0030.07320.77
5.6.240.0000.08320.49
5.6.230.0170.04720.56
5.6.220.0130.05720.52
5.6.210.0100.05720.74
5.6.200.0130.06721.08
5.6.190.0100.07720.95
5.6.180.0100.08020.93
5.6.170.0030.08721.05
5.6.160.0070.08321.02
5.6.150.0030.07020.93
5.6.140.0070.04020.99
5.6.130.0030.08320.99
5.6.120.0070.07720.93
5.6.110.0070.07321.16
5.6.100.0100.04321.15
5.6.90.0100.07720.93
5.6.80.0270.06320.55
5.6.70.0200.03720.43
5.6.60.0130.07320.45
5.6.50.0030.08720.38
5.6.40.0070.04320.31
5.6.30.0070.04720.46
5.6.20.0130.05020.39
5.6.10.0070.04320.43
5.6.00.0030.07720.47
5.5.380.0200.03720.41
5.5.370.0230.06020.36
5.5.360.0070.08320.55
5.5.350.0130.07020.41
5.5.340.0100.06320.71
5.5.330.0100.04320.91
5.5.320.0030.08320.91
5.5.310.0030.05320.73
5.5.300.0000.08020.81
5.5.290.0130.08020.86
5.5.280.0100.07720.92
5.5.270.0030.08320.72
5.5.260.0070.05320.84
5.5.250.0030.05720.69
5.5.240.0130.06720.26
5.5.230.0130.08020.23
5.5.220.0000.08720.20
5.5.210.0100.07720.26
5.5.200.0070.05320.23
5.5.190.0200.06720.18
5.5.180.0100.05320.25
5.5.160.0070.04320.21
5.5.150.0030.06720.16
5.5.140.0100.04720.25
5.5.130.0070.05720.14
5.5.120.0070.07019.97
5.5.110.0070.06320.23
5.5.100.0070.07719.95
5.5.90.0030.07720.03
5.5.80.0130.07320.06
5.5.70.0000.06019.90
5.5.60.0000.05720.06
5.5.50.0100.06020.05
5.5.40.0130.04020.10
5.5.30.0100.06020.04
5.5.20.0070.06020.07
5.5.10.0070.08020.04
5.5.00.0130.06719.99
5.4.450.0070.07719.45
5.4.440.0070.05019.30
5.4.430.0130.07719.38
5.4.420.0000.04719.13
5.4.410.0000.07319.23
5.4.400.0070.05019.08
5.4.390.0170.06718.96
5.4.380.0130.07319.11
5.4.370.0170.06718.81
5.4.360.0070.08019.05
5.4.350.0100.07018.90
5.4.340.0000.04319.09
5.4.320.0030.04719.02
5.4.310.0030.04719.13
5.4.300.0030.06318.98
5.4.290.0070.08018.80
5.4.280.0000.08319.11
5.4.270.0100.07718.89
5.4.260.0100.06319.12
5.4.250.0070.07719.06
5.4.240.0030.05018.81
5.4.230.0070.07719.06
5.4.220.0100.07319.22
5.4.210.0000.04719.05
5.4.200.0100.04719.09
5.4.190.0100.06719.09
5.4.180.0100.07319.06
5.4.170.0100.03719.21
5.4.160.0170.06718.76
5.4.150.0130.06018.76
5.4.140.0070.07016.26
5.4.130.0030.05316.23
5.4.120.0030.07316.13
5.4.110.0130.07016.36
5.4.100.0130.05016.45
5.4.90.0000.07716.38
5.4.80.0100.04316.24
5.4.70.0100.06316.47
5.4.60.0030.08016.34
5.4.50.0070.07316.18
5.4.40.0070.04016.32
5.4.30.0130.04016.34
5.4.20.0130.04316.33
5.4.10.0070.07716.18
5.4.00.0030.05015.66
5.3.290.0030.05314.50
5.3.280.0100.05314.41
5.3.270.0030.07314.55
5.3.260.0130.07014.57
5.3.250.0070.05314.58
5.3.240.0130.05314.44
5.3.230.0030.08014.45
5.3.220.0100.04714.53
5.3.210.0070.07314.58
5.3.200.0100.06314.55
5.3.190.0100.07014.53
5.3.180.0130.05014.56
5.3.170.0000.08014.52
5.3.160.0030.06014.55
5.3.150.0100.07014.51
5.3.140.0100.05314.54
5.3.130.0070.07714.51
5.3.120.0100.07314.49
5.3.110.0030.06314.55
5.3.100.0070.06013.95
5.3.90.0100.04713.88
5.3.80.0100.04013.96
5.3.70.0000.04013.88
5.3.60.0000.04013.85
5.3.50.0030.06313.90
5.3.40.0070.03313.81
5.3.30.0030.03713.67
5.3.20.0030.03313.68
5.3.10.0030.03313.61
5.3.00.0070.03013.49
5.2.170.0000.03011.13
5.2.160.0000.05011.16
5.2.150.0030.02711.09
5.2.140.0030.03011.13
5.2.130.0030.03311.13
5.2.120.0000.03011.09
5.2.110.0030.03011.13
5.2.100.0100.03711.09
5.2.90.0000.03011.10
5.2.80.0000.03711.08
5.2.70.0070.02310.89
5.2.60.0000.03011.09
5.2.50.0100.03011.03
5.2.40.0070.03710.82
5.2.30.0000.03010.96
5.2.20.0000.03010.94
5.2.10.0030.03010.79
5.2.00.0000.03010.66
5.1.60.0030.02310.05
5.1.50.0000.0279.87
5.1.40.0030.02710.02
5.1.30.0000.02710.34
5.1.20.0070.02710.41
5.1.10.0030.02310.07
5.1.00.0030.02310.07
5.0.50.0030.0208.58
5.0.40.0000.0208.29
5.0.30.0000.0378.10
5.0.20.0000.0208.30
5.0.10.0000.0238.26
5.0.00.0000.0308.21
4.4.90.0000.0237.39
4.4.80.0000.0177.39
4.4.70.0000.0277.39
4.4.60.0000.0177.39
4.4.50.0070.0237.39
4.4.40.0070.0207.39
4.4.30.0000.0177.39
4.4.20.0030.0237.39
4.4.10.0000.0177.39
4.4.00.0000.0307.39
4.3.110.0000.0177.39
4.3.100.0000.0207.39
4.3.90.0000.0137.39
4.3.80.0000.0237.39
4.3.70.0000.0137.39
4.3.60.0000.0137.39
4.3.50.0030.0137.39
4.3.40.0000.0237.39
4.3.30.0000.0137.39
4.3.20.0000.0177.39
4.3.10.0030.0137.39
4.3.00.0000.0137.39

preferences:
45.34 ms | 401 KiB | 5 Q