3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_decode((string) '', true)); var_dump(json_last_error()); var_dump(json_last_error_msg());

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)
8.3.60.0060.01218.18
8.3.50.0090.01221.02
8.3.40.0110.00418.72
8.3.30.0090.00618.51
8.3.20.0040.00420.06
8.3.10.0080.00023.66
8.3.00.0060.00319.43
8.2.180.0150.00618.29
8.2.170.0180.00322.96
8.2.160.0090.00620.47
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0020.00526.16
8.2.120.0080.00017.50
8.2.110.0060.00322.10
8.2.100.0060.00617.63
8.2.90.0000.00718.96
8.2.80.0000.00817.97
8.2.70.0040.00417.48
8.2.60.0040.00417.80
8.2.50.0080.00018.07
8.2.40.0030.00621.12
8.2.30.0090.00017.88
8.2.20.0040.00417.49
8.2.10.0080.00018.04
8.2.00.0040.00417.92
8.1.280.0150.00025.92
8.1.270.0110.00720.28
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00322.53
8.1.230.0070.00717.42
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0080.00317.13
8.1.180.0080.00018.10
8.1.170.0030.00518.59
8.1.160.0040.00421.86
8.1.150.0040.00418.77
8.1.140.0000.00817.39
8.1.130.0000.00717.55
8.1.120.0000.00717.25
8.1.110.0040.00417.28
8.1.100.0000.00817.31
8.1.90.0040.00317.28
8.1.80.0040.00417.29
8.1.70.0000.00717.29
8.1.60.0000.00717.38
8.1.50.0000.00817.29
8.1.40.0060.00317.31
8.1.30.0000.00817.46
8.1.20.0000.00817.43
8.1.10.0000.00817.40
8.1.00.0000.00717.34
8.0.300.0050.00218.77
8.0.290.0000.00716.75
8.0.280.0050.00218.30
8.0.270.0030.00317.07
8.0.260.0040.00417.17
8.0.250.0040.00416.93
8.0.240.0000.00716.91
8.0.230.0000.00716.77
8.0.220.0040.00416.82
8.0.210.0080.00016.85
8.0.200.0070.00016.92
8.0.190.0040.00416.93
8.0.180.0050.00216.89
8.0.170.0040.00416.84
8.0.160.0000.00716.72
8.0.150.0080.00016.68
8.0.140.0030.00316.77
8.0.130.0030.00313.29
8.0.120.0030.00616.68
8.0.110.0050.00216.80
8.0.100.0040.00416.82
8.0.90.0000.00816.65
8.0.80.0000.01516.78
8.0.70.0000.00716.82
8.0.60.0030.00616.76
8.0.50.0070.00016.80
8.0.30.0070.01116.99
8.0.20.0140.00917.40
8.0.10.0020.00516.80
8.0.00.0100.00816.69
7.4.330.0020.00215.08
7.4.320.0000.00616.37
7.4.300.0050.00216.32
7.4.290.0030.00316.47
7.4.280.0040.00416.45
7.4.270.0030.00316.35
7.4.260.0040.00416.28
7.4.250.0080.00016.32
7.4.240.0060.00216.34
7.4.230.0040.00416.26
7.4.220.0030.01416.54
7.4.210.0140.00716.47
7.4.200.0000.00716.50
7.4.160.0070.01016.34
7.4.150.0030.01417.40
7.4.140.0160.01017.86
7.4.130.0090.00916.36
7.4.120.0100.00816.43
7.4.110.0070.01016.16
7.4.100.0070.01016.09
7.4.90.0090.00916.54
7.4.80.0120.01219.39
7.4.70.0070.01016.27
7.4.60.0100.00716.21
7.4.50.0030.00316.44
7.4.40.0090.00616.48
7.4.30.0110.00716.18
7.4.00.0070.01014.91
7.3.330.0000.00513.12
7.3.320.0030.00313.13
7.3.310.0040.00416.11
7.3.300.0000.00716.18
7.3.290.0080.01016.20
7.3.280.0090.00716.23
7.3.270.0000.01617.40
7.3.260.0180.00616.19
7.3.250.0090.00716.32
7.3.240.0100.00716.14
7.3.230.0070.01016.39
7.3.210.0090.00916.33
7.3.200.0030.01316.23
7.3.190.0150.00816.32
7.3.180.0030.01216.22
7.3.170.0000.01516.27
7.3.160.0100.00716.19
7.2.330.0090.00916.20
7.2.320.0070.01016.58
7.2.310.0050.01016.39
7.2.300.0100.00716.47
7.2.290.0100.01016.59
7.2.60.0050.00516.72
7.2.00.0070.01019.26
7.1.200.0000.01215.86
7.1.70.0000.00716.79
7.1.60.0060.00617.23
7.1.50.0110.01416.87
7.1.00.0100.06722.46
7.0.200.0070.00716.78
7.0.60.0230.07020.02
7.0.50.0100.05017.79
7.0.40.0030.04720.21
7.0.30.0400.06020.01
7.0.20.0130.04720.18
7.0.10.0000.06319.99
7.0.00.0000.07320.16
5.6.280.0030.06720.90
5.6.210.0100.06720.60
5.6.200.0070.08018.12
5.6.190.0100.04020.43
5.6.180.0230.05720.35
5.6.170.0370.07020.48
5.6.160.0030.08320.44
5.6.150.0070.08018.07
5.6.140.0100.06318.15
5.6.130.0000.06718.14
5.6.120.0130.03021.04
5.6.110.0100.08021.13
5.6.100.0070.05021.10
5.6.90.0100.06320.98
5.6.80.0070.07020.53
5.6.70.0230.07320.45
5.5.350.4200.04020.40
5.5.340.0170.06018.01
5.5.330.0000.04720.14
5.5.320.0370.05020.30
5.5.310.0300.05320.18
5.5.300.0170.05317.95
5.5.290.0070.04717.98
5.5.280.0130.07720.72
5.5.270.0200.03320.86
5.5.260.0270.07020.66
5.5.250.0070.06320.65
5.5.240.0170.06020.25
5.4.450.0870.05319.47
5.4.440.0730.04719.44
5.4.430.0630.06019.62
5.4.420.0670.05019.47
5.4.410.0800.04319.32
5.4.400.0800.05319.16
5.4.390.0630.05719.08
5.4.380.0900.04319.28
5.4.370.0670.05719.28
5.4.360.0600.05319.16
5.4.350.0870.04719.14
5.4.340.0670.05718.91
5.4.320.0770.06018.95
5.4.310.0830.06019.28
5.4.300.0570.05719.26
5.4.290.0600.05318.99
5.4.280.0570.05719.25
5.4.270.0570.05319.07
5.4.260.0670.06019.16
5.4.250.0630.05719.11
5.4.240.0700.04319.09
5.4.230.0630.06019.14
5.4.220.0600.06319.30
5.4.210.0500.05319.11
5.4.200.0070.05318.77
5.4.190.0100.05319.15
5.4.180.0130.05319.21
5.4.170.0500.04719.11
5.4.160.0670.05018.89
5.4.150.0470.07018.92
5.4.140.0700.04716.41
5.4.130.0870.03716.46
5.4.120.0730.04016.35
5.4.110.0530.05716.45
5.4.100.0670.06016.07
5.4.90.0670.04016.54
5.4.80.0570.05316.20
5.4.70.0200.04016.36
5.4.60.0170.04016.36
5.4.50.0000.06016.26
5.4.40.0030.04716.27
5.4.30.0170.04716.04
5.4.20.0000.05016.36

preferences:
30.91 ms | 401 KiB | 5 Q