3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_encode("abc")); var_dump(json_encode("ab\xE0"));

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)
8.3.60.0150.00316.50
8.3.50.0050.01522.06
8.3.40.0120.00318.81
8.3.30.0100.00318.98
8.3.20.0070.00020.16
8.3.10.0050.00323.61
8.3.00.0040.00419.14
8.2.180.0060.00918.28
8.2.170.0070.00722.96
8.2.160.0110.00420.35
8.2.150.0070.00024.18
8.2.140.0000.00724.66
8.2.130.0070.00026.16
8.2.120.0040.00420.90
8.2.110.0040.00422.25
8.2.100.0070.00417.66
8.2.90.0080.00018.80
8.2.80.0050.00317.97
8.2.70.0060.00317.50
8.2.60.0040.00417.80
8.2.50.0030.00618.07
8.2.40.0090.00019.76
8.2.30.0040.00418.16
8.2.20.0070.00017.54
8.2.10.0040.00417.90
8.2.00.0070.00017.43
8.1.280.0070.00725.92
8.1.270.0030.00623.79
8.1.260.0040.00426.35
8.1.250.0090.00028.09
8.1.240.0040.00423.96
8.1.230.0040.00718.97
8.1.220.0020.00517.74
8.1.210.0040.00418.77
8.1.200.0090.00017.00
8.1.190.0000.00917.10
8.1.180.0020.00518.10
8.1.170.0030.00518.44
8.1.160.0050.00321.93
8.1.150.0040.00418.51
8.1.140.0080.00017.20
8.1.130.0040.00417.73
8.1.120.0050.00217.23
8.1.110.0040.00417.20
8.1.100.0020.00517.24
8.1.90.0000.00717.29
8.1.80.0070.00017.33
8.1.70.0070.00017.16
8.1.60.0030.00617.47
8.1.50.0060.00317.39
8.1.40.0040.00417.37
8.1.30.0030.00517.54
8.1.20.0000.00717.41
8.1.10.0040.00417.31
8.1.00.0050.00317.24
8.0.300.0050.00218.77
8.0.290.0040.00417.04
8.0.280.0000.00718.35
8.0.270.0070.00017.12
8.0.260.0000.00616.99
8.0.250.0030.00316.71
8.0.240.0000.00716.86
8.0.230.0030.00316.84
8.0.220.0000.00716.71
8.0.210.0050.00316.73
8.0.200.0070.00016.82
8.0.190.0000.00816.83
8.0.180.0020.00516.78
8.0.170.0000.00816.84
8.0.160.0000.00716.64
8.0.150.0000.00716.70
8.0.140.0070.00316.62
8.0.130.0050.00013.14
8.0.120.0000.00716.62
8.0.110.0000.00716.82
8.0.100.0000.00716.74
8.0.90.0030.00416.70
8.0.80.0100.00616.79
8.0.70.0000.00816.71
8.0.60.0000.00716.62
8.0.50.0040.00416.71
8.0.30.0090.01017.01
8.0.20.0110.00817.40
8.0.10.0000.00716.67
8.0.00.0140.00616.70
7.4.330.0030.00315.05
7.4.320.0030.00316.34
7.4.300.0000.00616.37
7.4.290.0000.00716.30
7.4.280.0000.00716.49
7.4.270.0030.00316.48
7.4.260.0000.00716.33
7.4.250.0000.00816.31
7.4.240.0000.00816.33
7.4.230.0030.00316.44
7.4.220.0000.01616.48
7.4.210.0050.00916.43
7.4.200.0070.00016.15
7.4.190.0020.00516.61
7.4.160.0090.00916.13
7.4.150.0090.00917.40
7.4.140.0080.00917.86
7.4.130.0100.00716.30
7.4.120.0060.01116.32
7.4.110.0070.01016.50
7.4.100.0030.01316.30
7.4.90.0110.00616.25
7.4.80.0160.00419.39
7.4.70.0060.01016.52
7.4.60.0100.00616.32
7.4.50.0000.00615.93
7.4.40.0060.01216.22
7.4.30.0050.01016.39
7.4.00.0000.01414.55
7.3.330.0050.00013.06
7.3.320.0000.00612.96
7.3.310.0000.00715.98
7.3.300.0040.00416.11
7.3.290.0130.00516.12
7.3.280.0130.00416.11
7.3.270.0130.00317.40
7.3.260.0080.00816.22
7.3.250.0120.00516.24
7.3.240.0090.00616.30
7.3.230.0080.00816.39
7.3.210.0140.00516.08
7.3.200.0120.00619.39
7.3.190.0100.01016.20
7.3.180.0000.01516.25
7.3.170.0060.01016.33
7.3.160.0080.00816.40
7.3.120.0070.01014.93
7.2.330.0080.00916.48
7.2.320.0030.01516.23
7.2.310.0030.01316.30
7.2.300.0030.01516.21
7.2.290.0110.01216.47
7.2.60.0090.00316.41
7.1.200.0090.00315.42
7.1.70.0020.00716.68
7.1.60.0090.00619.46
7.1.50.0100.01016.77
7.1.00.0000.08022.33
7.0.200.0040.00916.69
7.0.140.0000.07722.09
7.0.90.0230.08719.93
7.0.80.0500.05719.99
7.0.70.0100.09019.88
7.0.60.0130.07019.95
7.0.50.0070.08720.28
7.0.40.0130.06719.95
7.0.30.0070.05720.04
7.0.20.0070.06720.05
7.0.10.0100.06320.18
7.0.00.0000.07320.07
5.6.280.0070.06721.01
5.6.240.0070.05020.68
5.6.230.0070.07720.68
5.6.220.0200.07320.60
5.6.210.0070.07320.45
5.6.200.0070.06021.05
5.6.190.0000.05720.93
5.6.180.0030.08721.07
5.6.170.0100.06721.10
5.6.160.0070.03721.11
5.6.150.0070.04721.07
5.6.140.0100.05320.94
5.6.130.0130.08021.10
5.6.120.0030.09021.10
5.6.110.0200.06721.11
5.6.100.0030.05021.09
5.6.90.0130.03320.90
5.6.80.0030.06720.48
5.6.70.0070.07720.39
5.6.60.0100.07320.46
5.6.50.0130.07720.45
5.6.40.0130.06020.39
5.6.30.0100.06320.38
5.6.20.0070.08320.46
5.6.10.0100.07020.46
5.6.00.0070.05020.47
5.5.380.0030.04720.41
5.5.370.0130.04020.41
5.5.360.0100.07720.34
5.5.350.0200.03320.39
5.5.340.0170.07020.82
5.5.330.0070.04020.85
5.5.320.0000.08320.93
5.5.310.0000.05020.62
5.5.300.0100.08020.75
5.5.290.0130.07720.92
5.5.280.0200.07720.88
5.5.270.0200.06320.79
5.5.260.0100.08020.78
5.5.250.0000.08720.45
5.5.240.0030.07020.02
5.5.230.0030.08020.20
5.5.220.0070.04020.19
5.5.210.0100.04020.01
5.5.200.0000.05720.27
5.5.190.0130.07320.23
5.5.180.0070.06720.11
5.5.160.0070.08320.14
5.5.150.0070.08020.11
5.5.140.0130.06719.98
5.5.130.0130.07020.21
5.5.120.0030.07320.20
5.5.110.0030.07720.23
5.5.100.0070.07720.16
5.5.90.0070.07020.05
5.5.80.0130.07020.06
5.5.70.0100.07320.05
5.5.60.0100.07319.95
5.5.50.0070.07719.96
5.5.40.0070.04720.07
5.5.30.0070.04320.04
5.5.20.0070.04020.13
5.5.10.0130.06720.07
5.5.00.0100.04720.00
5.4.450.0100.07319.38
5.4.440.0030.08719.39
5.4.430.0100.04019.46
5.4.420.0130.04319.11
5.4.410.0100.05319.43
5.4.400.0030.06319.08
5.4.390.0100.06719.03
5.4.380.0000.06318.90
5.4.370.0000.08719.12
5.4.360.0070.03718.78
5.4.350.0000.05719.14
5.4.340.0030.06318.95
5.4.320.0100.07718.96
5.4.310.0000.05018.78
5.4.300.0070.04318.97
5.4.290.0070.04718.99
5.4.280.0100.06719.04
5.4.270.0100.06719.14
5.4.260.0070.07318.89
5.4.250.0130.06019.12
5.4.240.0030.07019.06
5.4.230.0170.06719.02
5.4.220.0030.07718.97
5.4.210.0030.06018.97
5.4.200.0100.06718.99
5.4.190.0100.07019.09
5.4.180.0130.06718.80
5.4.170.0070.06319.11
5.4.160.0000.08319.04
5.4.150.0030.05319.07
5.4.140.0070.05316.14
5.4.130.0170.06316.31
5.4.120.0070.07016.22
5.4.110.0030.04316.30
5.4.100.0030.07716.35
5.4.90.0000.04716.44
5.4.80.0070.05316.28
5.4.70.0100.06016.48
5.4.60.0100.06016.30
5.4.50.0100.06016.42
5.4.40.0100.07016.40
5.4.30.0000.05316.30
5.4.20.0030.04316.37
5.4.10.0070.04016.17
5.4.00.0030.06015.75
5.3.290.0130.06714.63
5.3.280.0130.07014.59
5.3.270.0030.08014.61
5.3.260.0070.05314.43
5.3.250.0170.06014.45
5.3.240.0030.07014.55
5.3.230.0100.07714.57
5.3.220.0100.07314.55
5.3.210.0070.08314.50
5.3.200.0070.06714.57
5.3.190.0030.08014.55
5.3.180.0100.05314.54
5.3.170.0000.08014.49
5.3.160.0100.05014.56
5.3.150.0030.05014.38
5.3.140.0170.07014.46
5.3.130.0000.05014.52
5.3.120.0100.07014.45
5.3.110.0070.06314.48
5.3.100.0030.08013.89
5.3.90.0070.06313.97
5.3.80.0000.07013.96
5.3.70.0100.05713.95
5.3.60.0070.08013.99
5.3.50.0130.06313.69
5.3.40.0100.06313.85
5.3.30.0100.06313.68
5.3.20.0130.06713.64
5.3.10.0070.07313.63
5.3.00.0130.06013.54
5.2.170.0100.06011.16
5.2.160.0130.05311.20
5.2.150.0030.04311.21
5.2.140.0070.06011.08
5.2.130.0030.05711.16
5.2.120.0000.04010.91
5.2.110.0170.04311.08
5.2.100.0100.05711.09
5.2.90.0100.05311.05
5.2.80.0070.05710.88
5.2.70.0070.05311.11
5.2.60.0070.06311.01
5.2.50.0100.05010.93
5.2.40.0030.06010.98
5.2.30.0000.07010.97
5.2.20.0070.05710.91
5.2.10.0070.05310.71
5.2.00.0100.05310.77
5.1.60.0070.03710.61
5.1.50.0100.04310.61
5.1.40.0070.04010.61
5.1.30.0070.04310.61
5.1.20.0070.05710.61
5.1.10.0030.05710.61
5.1.00.0030.03710.61
5.0.50.0000.04010.61
5.0.40.0000.02710.61
5.0.30.0070.06010.61
5.0.20.0030.02710.61
5.0.10.0000.03010.61
5.0.00.0030.06010.61
4.4.90.0030.02710.61
4.4.80.0000.03010.61
4.4.70.0070.03010.61
4.4.60.0030.03310.61
4.4.50.0070.02310.61
4.4.40.0030.03310.61
4.4.30.0030.03310.61
4.4.20.0030.03310.61
4.4.10.0000.03710.61
4.4.00.0000.05010.61
4.3.110.0070.02710.61
4.3.100.0070.03010.61
4.3.90.0030.02010.61
4.3.80.0070.04710.61
4.3.70.0030.03310.61
4.3.60.0030.03310.61
4.3.50.0070.02710.61
4.3.40.0030.04710.61
4.3.30.0000.02710.61
4.3.20.0000.02710.61
4.3.10.0000.02010.61
4.3.00.0100.02710.61

preferences:
41.03 ms | 400 KiB | 5 Q