3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_decode('{a:b, c:d}'));

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)
8.3.60.0100.00316.63
8.3.50.0090.00722.05
8.3.40.0150.00018.61
8.3.30.0090.00919.02
8.3.20.0040.00420.16
8.3.10.0040.00423.73
8.3.00.0030.00520.86
8.2.180.0120.00316.32
8.2.170.0090.00622.96
8.2.160.0100.00320.52
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00022.11
8.2.110.0050.00522.27
8.2.100.0070.00417.59
8.2.90.0040.00419.09
8.2.80.0080.00017.97
8.2.70.0000.00817.38
8.2.60.0060.00317.90
8.2.50.0020.00518.07
8.2.40.0040.00417.97
8.2.30.0040.00417.85
8.2.20.0030.00617.43
8.2.10.0040.00417.57
8.2.00.0030.00517.53
8.1.280.0040.01125.92
8.1.270.0050.00323.97
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0060.00323.87
8.1.230.0070.00319.05
8.1.220.0030.00617.74
8.1.210.0080.00018.77
8.1.200.0060.00317.10
8.1.190.0000.00717.27
8.1.180.0080.00018.10
8.1.170.0030.00618.49
8.1.160.0000.00721.93
8.1.150.0000.00818.47
8.1.140.0000.00817.36
8.1.130.0030.00317.66
8.1.120.0070.00017.35
8.1.110.0070.00017.30
8.1.100.0000.00717.30
8.1.90.0080.00017.36
8.1.80.0000.00717.34
8.1.70.0030.00317.29
8.1.60.0030.00517.47
8.1.50.0040.00417.39
8.1.40.0050.00217.34
8.1.30.0080.00017.48
8.1.20.0000.00917.44
8.1.10.0020.00517.27
8.1.00.0030.00617.29
8.0.300.0040.00418.77
8.0.290.0030.00317.05
8.0.280.0000.00818.22
8.0.270.0030.00317.08
8.0.260.0030.00316.55
8.0.250.0000.00716.81
8.0.240.0000.00716.78
8.0.230.0000.00716.72
8.0.220.0070.00016.63
8.0.210.0080.00016.73
8.0.200.0000.00716.80
8.0.190.0040.00416.75
8.0.180.0040.00416.77
8.0.170.0000.00916.83
8.0.160.0000.00816.80
8.0.150.0000.00716.73
8.0.140.0030.00316.70
8.0.130.0060.00013.22
8.0.120.0000.00716.72
8.0.110.0070.00016.61
8.0.100.0000.00716.74
8.0.90.0050.00216.61
8.0.80.0100.00716.73
8.0.70.0070.00016.70
8.0.60.0040.00416.61
8.0.50.0000.00716.81
8.0.30.0110.00816.88
8.0.20.0070.01217.40
8.0.10.0000.00816.79
8.0.00.0060.01116.66
7.4.330.0050.00015.00
7.4.320.0060.00016.47
7.4.300.0030.00316.25
7.4.290.0000.00716.23
7.4.280.0100.00016.43
7.4.270.0030.00316.45
7.4.260.0030.00316.34
7.4.250.0070.00016.34
7.4.240.0020.00516.41
7.4.230.0000.00716.57
7.4.220.0070.01016.51
7.4.210.0070.00816.49
7.4.200.0030.00316.21
7.4.190.0000.00716.32
7.4.160.0040.01116.36
7.4.150.0140.00317.40
7.4.140.0120.00617.86
7.4.130.0110.00516.49
7.4.120.0100.00716.46
7.4.110.0060.01216.33
7.4.100.0040.01516.32
7.4.90.0070.01116.44
7.4.80.0060.01319.39
7.4.70.0070.01016.59
7.4.60.0060.01016.32
7.4.50.0040.00416.47
7.4.40.0070.01122.77
7.4.30.0150.00316.26
7.4.00.0110.00414.90
7.3.330.0000.00512.96
7.3.320.0000.00512.96
7.3.310.0070.00016.18
7.3.300.0030.00316.03
7.3.290.0030.01316.07
7.3.280.0050.01416.14
7.3.270.0070.01417.40
7.3.260.0200.00316.12
7.3.250.0140.00316.21
7.3.240.0050.01116.31
7.3.230.0040.01716.39
7.3.210.0070.01016.15
7.3.200.0030.01316.52
7.3.190.0030.01916.07
7.3.180.0080.00816.12
7.3.170.0120.00616.45
7.3.160.0200.00316.39
7.3.120.0070.00714.43
7.2.330.0100.00616.32
7.2.320.0030.01316.43
7.2.310.0070.01116.46
7.2.300.0110.01216.50
7.2.290.0080.00816.48
7.2.60.0030.00916.88
7.2.00.0040.00718.82
7.1.200.0070.00015.71
7.1.100.0070.00717.84
7.1.70.0080.00017.09
7.1.60.0140.00019.29
7.1.50.0100.00316.93
7.1.00.0030.07322.43
7.0.200.0000.00716.63
7.0.140.0030.07321.92
7.0.100.0100.03719.91
7.0.90.0000.03719.89
7.0.80.0200.03319.92
7.0.70.0030.03319.89
7.0.60.0100.03019.93
7.0.50.0000.07720.32
7.0.40.0030.08020.08
7.0.30.0070.08720.09
7.0.20.0030.09020.15
7.0.10.0100.06720.13
7.0.00.0030.08319.95
5.6.280.0000.07720.86
5.6.250.0030.04320.53
5.6.240.0070.04320.59
5.6.230.0030.04020.66
5.6.220.0070.03320.64
5.6.210.0070.03020.75
5.6.200.0130.07720.95
5.6.190.0100.08021.02
5.6.180.0070.09021.02
5.6.170.0070.04720.93
5.6.160.0030.08321.04
5.6.150.0030.08021.02
5.6.140.0100.06321.12
5.6.130.0100.05721.00
5.6.120.0070.06021.16
5.6.110.0030.08721.03
5.6.100.0100.04321.09
5.6.90.0070.04721.02
5.6.80.0100.07020.48
5.6.70.0070.07720.32
5.6.60.0100.06020.46
5.6.50.0000.05020.49
5.6.40.0030.05720.31
5.6.30.0100.07720.31
5.6.20.0070.07720.38
5.6.10.0130.07020.46
5.6.00.0000.08320.37
5.5.380.0030.03720.55
5.5.370.0030.04020.41
5.5.360.0000.04020.46
5.5.350.0030.04020.38
5.5.340.0170.06320.86
5.5.330.0200.07320.89
5.5.320.0030.05720.85
5.5.310.0070.04720.79
5.5.300.0130.07020.75
5.5.290.0230.06720.77
5.5.280.0070.05020.72
5.5.270.0100.07320.84
5.5.260.0030.04720.74
5.5.250.0100.07020.53
5.5.240.0070.05020.24
5.5.230.0130.03020.20
5.5.220.0070.07320.14
5.5.210.0070.08020.17
5.5.200.0100.03720.20
5.5.190.0100.06720.20
5.5.180.0030.05320.20
5.5.160.0030.05020.26
5.5.150.0130.07720.14
5.5.140.0130.04020.27
5.5.130.0070.07320.14
5.5.120.0170.03320.22
5.5.110.0070.04020.12
5.5.100.0070.04720.07
5.5.90.0170.06720.06
5.5.80.0170.07720.06
5.5.70.0030.04720.14
5.5.60.0100.03719.92
5.5.50.0130.06720.02
5.5.40.0030.04719.95
5.5.30.0070.08020.08
5.5.20.0030.06020.10
5.5.10.0100.07320.10
5.5.00.0130.07020.02
5.4.450.0070.04719.47
5.4.440.0070.07719.55
5.4.430.0070.05019.30
5.4.420.0030.04019.46
5.4.410.0100.07719.05
5.4.400.0070.08018.82
5.4.390.0070.06319.03
5.4.380.0070.07019.05
5.4.370.0070.07019.03
5.4.360.0130.07019.03
5.4.350.0100.07719.03
5.4.340.0100.07719.15
5.4.320.0100.08018.79
5.4.310.0030.03719.07
5.4.300.0130.07019.12
5.4.290.0100.06319.07
5.4.280.0100.04018.98
5.4.270.0130.07319.11
5.4.260.0070.03719.14
5.4.250.0030.07718.89
5.4.240.0070.07318.97
5.4.230.0000.05018.97
5.4.220.0100.08019.13
5.4.210.0070.06318.78
5.4.200.0070.06319.11
5.4.190.0030.04718.98
5.4.180.0030.07319.11
5.4.170.0070.07319.12
5.4.160.0100.06719.09
5.4.150.0100.07319.12
5.4.140.0070.07316.37
5.4.130.0000.06716.33
5.4.120.0030.04316.35
5.4.110.0030.06316.42
5.4.100.0100.06716.21
5.4.90.0030.07316.30
5.4.80.0100.06716.29
5.4.70.0030.05016.31
5.4.60.0070.04316.24
5.4.50.0030.05716.36
5.4.40.0070.06316.46
5.4.30.0070.07016.40
5.4.20.0000.04016.23
5.4.10.0070.05716.35
5.4.00.0130.06315.51
5.3.290.0070.06314.52
5.3.280.0030.04314.53
5.3.270.0170.06314.46
5.3.260.0130.06714.52
5.3.250.0100.07314.59
5.3.240.0030.07714.51
5.3.230.0000.05714.59
5.3.220.0100.07014.56
5.3.210.0100.07714.54
5.3.200.0100.07014.56
5.3.190.0070.07314.57
5.3.180.0070.07714.56
5.3.170.0070.07714.57
5.3.160.0130.06314.38
5.3.150.0030.07714.51
5.3.140.0070.06314.54
5.3.130.0100.07014.54
5.3.120.0100.04314.53
5.3.110.0070.07314.54
5.3.100.0030.03714.03
5.3.90.0070.07313.88
5.3.80.0070.08013.95
5.3.70.0100.06713.77
5.3.60.0030.08013.98
5.3.50.0130.05313.70
5.3.40.0000.05013.91
5.3.30.0000.04713.87
5.3.20.0070.06713.68
5.3.10.0100.05313.64
5.3.00.0030.03713.63
5.2.170.0070.03011.08
5.2.160.0070.05711.18
5.2.150.0030.07011.06
5.2.140.0000.05711.15
5.2.130.0000.05011.08
5.2.120.0030.06310.93
5.2.110.0030.06311.05
5.2.100.0000.03311.13
5.2.90.0070.02711.15
5.2.80.0030.03010.88
5.2.70.0070.03011.11
5.2.60.0100.05310.83
5.2.50.0030.03310.93
5.2.40.0030.05010.98
5.2.30.0070.02710.89
5.2.20.0030.03010.95
5.2.10.0130.04710.87
5.2.00.0130.05010.75
5.1.60.0070.0479.82
5.1.50.0070.0509.82
5.1.40.0000.0439.80
5.1.30.0070.03010.24
5.1.20.0070.02710.34
5.1.10.0000.05710.11
5.1.00.0000.05710.14
5.0.50.0030.0438.82
5.0.40.0070.0208.82
5.0.30.0070.0308.82
5.0.20.0030.0338.82
5.0.10.0070.0378.82
5.0.00.0070.0608.82
4.4.90.0000.0278.82
4.4.80.0000.0178.82
4.4.70.0070.0338.82
4.4.60.0000.0178.82
4.4.50.0100.0278.82
4.4.40.0000.0308.82
4.4.30.0000.0378.82
4.4.20.0030.0178.82
4.4.10.0000.0238.82
4.4.00.0000.0478.82
4.3.110.0030.0308.82
4.3.100.0000.0338.82
4.3.90.0000.0378.82
4.3.80.0070.0538.82
4.3.70.0000.0208.82
4.3.60.0030.0338.82
4.3.50.0070.0238.82
4.3.40.0070.0508.82
4.3.30.0000.0208.82
4.3.20.0000.0378.82
4.3.10.0000.0338.82
4.3.00.0000.0378.82

preferences:
37.84 ms | 401 KiB | 5 Q