3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_decode(json_encode(array("foo\0bar" => 'xyz'))));

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)
8.3.40.0070.00718.58
8.3.30.0070.01020.23
8.3.20.0080.00020.44
8.3.10.0070.01020.79
8.3.00.0070.00023.45
8.2.170.0200.00022.96
8.2.160.0140.00020.52
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0040.00421.00
8.2.110.0030.00721.02
8.2.100.0060.00617.79
8.2.90.0050.00318.05
8.2.80.0080.00017.97
8.2.70.0040.00417.38
8.2.60.0080.00017.80
8.2.50.0000.00718.10
8.2.40.0030.00520.49
8.2.30.0000.00719.48
8.2.20.0020.00517.39
8.2.10.0000.00717.54
8.2.00.0000.00717.61
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00422.20
8.1.230.0100.00722.40
8.1.220.0050.00517.74
8.1.210.0050.00319.89
8.1.200.0030.00717.25
8.1.190.0040.00416.98
8.1.180.0000.00918.10
8.1.170.0040.00418.54
8.1.160.0000.00718.71
8.1.150.0040.00718.55
8.1.140.0040.00417.30
8.1.130.0000.00717.78
8.1.120.0000.00817.22
8.1.110.0040.00417.30
8.1.100.0030.00317.33
8.1.90.0070.00017.20
8.1.80.0030.00517.34
8.1.70.0070.00017.29
8.1.60.0000.00917.36
8.1.50.0030.00617.32
8.1.40.0000.00817.34
8.1.30.0000.00817.49
8.1.20.0000.00817.51
8.1.10.0050.00317.42
8.1.00.0080.00017.35
8.0.300.0040.00419.91
8.0.290.0030.00516.58
8.0.280.0070.00018.20
8.0.270.0000.00717.12
8.0.260.0060.00016.64
8.0.250.0030.00316.69
8.0.240.0040.00416.90
8.0.230.0000.00716.83
8.0.220.0000.00716.71
8.0.210.0000.00716.75
8.0.200.0030.00316.78
8.0.190.0000.00716.71
8.0.180.0050.00216.80
8.0.170.0080.00016.78
8.0.160.0050.00316.73
8.0.150.0000.00716.69
8.0.140.0070.00416.75
8.0.130.0000.00513.19
8.0.120.0050.00216.61
8.0.110.0000.00716.60
8.0.100.0040.00416.55
8.0.90.0030.00516.67
8.0.80.0030.01316.70
8.0.70.0000.00716.79
8.0.60.0040.00416.76
8.0.50.0000.00816.74
8.0.30.0090.00916.89
8.0.20.0130.00617.40
8.0.10.0070.00016.93
8.0.00.0140.00516.67
7.4.330.0030.00316.82
7.4.320.0050.00316.48
7.4.300.0060.00016.44
7.4.290.0040.00416.45
7.4.280.0070.00016.21
7.4.270.0030.00316.46
7.4.260.0020.00213.14
7.4.250.0000.00716.26
7.4.240.0040.00416.41
7.4.230.0030.00316.43
7.4.220.0110.00716.44
7.4.210.0080.00616.51
7.4.200.0070.00016.56
7.4.190.0030.00516.63
7.4.160.0060.00916.41
7.4.150.0070.01117.40
7.4.140.0140.00417.86
7.4.130.0080.00916.27
7.4.120.0150.00116.57
7.4.110.0150.00416.59
7.4.100.0130.00716.17
7.4.90.0100.01416.26
7.4.80.0060.01119.39
7.4.70.0140.00716.55
7.4.60.0060.01016.37
7.4.50.0040.00416.31
7.4.40.0090.00322.77
7.4.30.0100.00716.45
7.4.00.0100.00714.64
7.3.330.0040.00413.07
7.3.320.0000.00613.03
7.3.310.0030.00316.19
7.3.300.0030.00616.19
7.3.290.0030.01016.16
7.3.280.0100.00816.21
7.3.270.0120.00617.40
7.3.260.0090.01018.24
7.3.250.0090.01016.27
7.3.240.0120.00916.36
7.3.230.0110.00616.39
7.3.210.0140.00516.09
7.3.200.0140.00419.39
7.3.190.0060.01016.38
7.3.180.0060.01016.20
7.3.170.0130.00316.34
7.3.160.0150.00616.21
7.3.120.0070.01014.73
7.2.330.0110.00716.23
7.2.320.0060.01616.53
7.2.310.0100.00716.14
7.2.300.0030.01416.24
7.2.290.0090.00916.14
7.2.60.0080.00816.38
7.2.00.0100.00719.19
7.1.200.0190.01015.52
7.1.100.0110.00018.00
7.1.70.0080.00017.03
7.1.60.0090.01619.17
7.1.50.0040.01116.93
7.1.00.0030.03322.31
7.0.200.0030.00716.60
7.0.140.0030.07022.10
7.0.90.0130.07719.99
7.0.80.0070.06719.94
7.0.70.0570.07019.88
7.0.60.0630.07719.94
7.0.50.0430.06020.25
7.0.40.0170.07320.14
7.0.30.0130.06320.09
7.0.20.0070.04020.07
7.0.10.0070.03720.17
7.0.00.0070.06020.04
5.6.280.0100.06720.91
5.6.240.0030.06020.59
5.6.230.0100.05020.67
5.6.220.0070.07320.73
5.6.210.0030.07720.66
5.6.200.0130.07020.95
5.6.190.0170.06720.96
5.6.180.0070.05320.98
5.6.170.0000.04721.02
5.6.160.0000.08021.08
5.6.150.0000.04321.02
5.6.140.0030.04021.10
5.6.130.0000.04020.88
5.6.120.0030.04721.12
5.6.110.0030.04321.00
5.6.100.0030.07021.05
5.6.90.0070.03321.00
5.6.80.0070.04020.51
5.6.70.0000.03720.39
5.6.60.0100.03320.31
5.6.50.0000.07020.39
5.6.40.0030.04020.45
5.6.30.0100.04020.39
5.6.20.0030.03720.39
5.6.10.0100.05720.43
5.6.00.0000.05720.41
5.5.380.0100.04320.50
5.5.370.0170.07020.43
5.5.360.0170.07320.38
5.5.350.0070.06020.41
5.5.340.0100.07320.85
5.5.330.0100.07720.75
5.5.320.0030.04320.77
5.5.310.0030.06320.88
5.5.300.0070.03320.77
5.5.290.0070.04020.91
5.5.280.0070.06720.86
5.5.270.0100.05720.85
5.5.260.0030.08020.84
5.5.250.0230.06720.60
5.5.240.0200.02320.18
5.5.230.0000.04020.25
5.5.220.0030.04020.09
5.5.210.0000.04320.30
5.5.200.0030.04320.27
5.5.190.0000.04020.11
5.5.180.0030.03720.17
5.5.160.0170.08320.20
5.5.150.0070.03320.25
5.5.140.0000.04320.13
5.5.130.0030.04020.13
5.5.120.0000.04720.10
5.5.110.0130.03020.07
5.5.100.0070.07020.06
5.5.90.0100.07020.11
5.5.80.0030.07019.95
5.5.70.0130.05020.14
5.5.60.0170.07019.92
5.5.50.0100.07720.05
5.5.40.0130.06720.13
5.5.30.0070.08020.04
5.5.20.0100.07020.04
5.5.10.0070.08020.04
5.5.00.0070.04320.07
5.4.450.0070.03719.11
5.4.440.0030.08319.42
5.4.430.0070.03319.45
5.4.420.0070.06019.30
5.4.410.0030.05019.29
5.4.400.0070.05018.98
5.4.390.0070.05318.90
5.4.380.0070.05719.13
5.4.370.0000.04019.03
5.4.360.0000.04319.13
5.4.350.0130.05319.06
5.4.340.0000.04018.95
5.4.320.0070.04719.02
5.4.310.0030.06318.94
5.4.300.0000.04019.07
5.4.290.0000.06319.03
5.4.280.0100.07319.15
5.4.270.0030.03718.90
5.4.260.0100.05718.94
5.4.250.0030.04719.04
5.4.240.0030.08018.96
5.4.230.0070.07018.89
5.4.220.0130.06718.96
5.4.210.0070.07718.97
5.4.200.0170.06718.91
5.4.190.0070.07718.96
5.4.180.0030.04719.21
5.4.170.0030.05019.04
5.4.160.0200.06018.76
5.4.150.0100.07018.96
5.4.140.0030.04316.23
5.4.130.0100.04716.23
5.4.120.0200.05716.27
5.4.110.0170.05716.32
5.4.100.0100.04016.33
5.4.90.0070.03716.42
5.4.80.0170.06716.20
5.4.70.0100.06316.38
5.4.60.0130.03716.23
5.4.50.0030.04016.20
5.4.40.0070.07016.24
5.4.30.0030.08016.19
5.4.20.0000.06316.31
5.4.10.0130.06716.23
5.4.00.0030.06715.58
5.3.290.0100.06714.57
5.3.280.0030.07314.53
5.3.270.0030.07314.46
5.3.260.0130.04714.60
5.3.250.0030.07314.51
5.3.240.0100.03014.60
5.3.230.0070.07714.50
5.3.220.0000.08314.55
5.3.210.0070.06714.55
5.3.200.0030.08014.55
5.3.190.0070.04314.48
5.3.180.0100.07714.56
5.3.170.0030.05314.47
5.3.160.0070.03714.55
5.3.150.0130.06314.54
5.3.140.0070.07314.54
5.3.130.0070.04714.53
5.3.120.0000.08714.46
5.3.110.0070.06714.40
5.3.100.0030.04014.03
5.3.90.0070.04014.00
5.3.80.0000.04314.00
5.3.70.0030.08313.95
5.3.60.0030.04313.77
5.3.50.0070.06313.90
5.3.40.0070.07013.92
5.3.30.0030.06713.66
5.3.20.0100.06713.55
5.3.10.0070.06713.61
5.3.00.0030.05313.59
5.2.170.0030.06711.14
5.2.160.0130.05011.19
5.2.150.0030.06011.13
5.2.140.0030.04711.13
5.2.130.0070.05711.09
5.2.120.0030.05711.16
5.2.110.0030.06711.04
5.2.100.0030.05711.09
5.2.90.0070.05311.14
5.2.80.0070.05311.05
5.2.70.0000.04011.05
5.2.60.0070.04711.07
5.2.50.0030.04010.80
5.2.40.0200.04710.93
5.2.30.0000.05310.93
5.2.20.0070.03311.00
5.2.10.0030.05710.88
5.2.00.0030.06310.62
5.1.60.0030.05310.02
5.1.50.0000.0409.82
5.1.40.0070.05010.02
5.1.30.0000.03710.39
5.1.20.0130.05010.37
5.1.10.0070.05010.05
5.1.00.0070.04310.10
5.0.50.0030.0438.52
5.0.40.0030.0438.43
5.0.30.0030.0378.05
5.0.20.0000.0378.29
5.0.10.0070.0438.05
5.0.00.0170.0408.20
4.4.90.0070.0307.24
4.4.80.0000.0337.24
4.4.70.0030.0377.24
4.4.60.0000.0377.24
4.4.50.0000.0377.24
4.4.40.0000.0477.24
4.4.30.0030.0277.24
4.4.20.0030.0237.24
4.4.10.0100.0137.24
4.4.00.0030.0507.24
4.3.110.0000.0407.24
4.3.100.0030.0337.24
4.3.90.0100.0277.24
4.3.80.0000.0437.24
4.3.70.0000.0237.24
4.3.60.0000.0237.24
4.3.50.0000.0207.24
4.3.40.0000.0477.24
4.3.30.0070.0177.24
4.3.20.0030.0377.24
4.3.10.0000.0377.24
4.3.00.0000.0307.24

preferences:
48.31 ms | 400 KiB | 5 Q