3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = [ '"\"', '001', 'nulll', '""' ]; foreach ($x as $y) { var_dump([json_decode($y), json_last_error()]); }

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)
8.3.60.0110.00418.18
8.3.50.0100.00821.19
8.3.40.0120.00618.54
8.3.30.0120.00318.34
8.3.20.0000.00820.04
8.3.10.0040.00421.72
8.3.00.0080.00017.87
8.2.180.0100.01016.75
8.2.170.0150.00422.96
8.2.160.0070.00720.34
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0060.00317.63
8.2.110.0080.00322.30
8.2.100.0120.00017.84
8.2.90.0080.00019.16
8.2.80.0030.00517.97
8.2.70.0040.00417.38
8.2.60.0060.00617.93
8.2.50.0030.00618.07
8.2.40.0040.00719.26
8.2.30.0000.00720.53
8.2.20.0000.00817.65
8.2.10.0000.00718.12
8.2.00.0050.00217.92
8.1.280.0070.00725.92
8.1.270.0060.01222.02
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00321.36
8.1.230.0040.00717.42
8.1.220.0040.00417.76
8.1.210.0050.00318.77
8.1.200.0090.00017.23
8.1.190.0050.00517.23
8.1.180.0040.00418.10
8.1.170.0050.00318.54
8.1.160.0000.00722.02
8.1.150.0000.00718.79
8.1.140.0040.00417.43
8.1.130.0080.00017.72
8.1.120.0040.00417.48
8.1.110.0080.00017.33
8.1.100.0000.00717.45
8.1.90.0000.00717.36
8.1.80.0030.00517.45
8.1.70.0000.00717.50
8.1.60.0000.00717.41
8.1.50.0060.00317.45
8.1.40.0050.00317.54
8.1.30.0030.00617.70
8.1.20.0040.00417.68
8.1.10.0040.00417.48
8.1.00.0000.01017.34
8.0.300.0080.00018.77
8.0.290.0020.00516.75
8.0.280.0030.00318.36
8.0.270.0070.00017.35
8.0.260.0030.00317.25
8.0.250.0000.00816.95
8.0.240.0030.00316.90
8.0.230.0060.00316.78
8.0.220.0030.00316.78
8.0.210.0080.00016.89
8.0.200.0000.00716.81
8.0.190.0000.00816.83
8.0.180.0000.00816.88
8.0.170.0080.00016.79
8.0.160.0070.00016.98
8.0.150.0070.00016.71
8.0.140.0070.00016.70
8.0.130.0030.00313.21
8.0.120.0030.00516.85
8.0.110.0000.00816.73
8.0.100.0040.00416.95
8.0.90.0000.00816.77
8.0.80.0120.01216.89
8.0.70.0050.00216.78
8.0.60.0050.00216.89
8.0.50.0040.00416.87
8.0.30.0090.01017.12
8.0.20.0100.01017.40
8.0.10.0040.00416.87
8.0.00.0100.00916.83
7.4.330.0060.00015.15
7.4.320.0000.00716.51
7.4.300.0070.00016.57
7.4.290.0000.00716.49
7.4.280.0080.00316.54
7.4.270.0030.00316.55
7.4.260.0030.00316.46
7.4.250.0070.00016.43
7.4.240.0040.00416.44
7.4.230.0070.00016.33
7.4.220.0060.01216.42
7.4.210.0120.00616.52
7.4.200.0040.00416.60
7.4.160.0030.01316.48
7.4.150.0030.01417.40
7.4.140.0120.00917.86
7.4.130.0110.00816.36
7.4.120.0020.01816.63
7.4.110.0110.00716.49
7.4.100.0150.00416.45
7.4.90.0100.00716.46
7.4.80.0120.00619.39
7.4.70.0140.00316.39
7.4.60.0060.01016.40
7.4.50.0030.00616.55
7.4.40.0100.01416.53
7.4.30.0060.01616.43
7.4.00.0060.00614.68
7.3.330.0000.00513.14
7.3.320.0020.00313.13
7.3.310.0040.00416.31
7.3.300.0020.00516.21
7.3.290.0060.00816.22
7.3.280.0090.01116.20
7.3.270.0100.01317.40
7.3.260.0120.00616.67
7.3.250.0080.00916.22
7.3.240.0040.01516.42
7.3.230.0150.00316.67
7.3.210.0080.00916.35
7.3.200.0100.00616.48
7.3.190.0110.00616.14
7.3.180.0060.00916.52
7.3.170.0100.01316.55
7.3.160.0090.00916.49
7.2.330.0070.01116.68
7.2.320.0150.00916.59
7.2.310.0070.01116.72
7.2.300.0060.01116.63
7.2.290.0150.00616.43
7.2.80.0120.00316.79
7.2.60.0060.00616.70
7.1.200.0060.00915.92
7.1.70.0000.00716.85
7.1.60.0130.01319.20
7.1.50.0090.01216.96
7.1.00.0100.07022.57
7.0.200.0030.00516.80
7.0.100.0100.07319.97
7.0.90.0170.08019.96
7.0.80.0130.04719.95
7.0.70.0200.08019.95
7.0.60.0130.08320.01
7.0.50.0100.06720.29
7.0.40.0030.04719.98
7.0.30.0030.05020.00
7.0.20.0070.08320.11
7.0.10.0100.08020.14
7.0.00.0070.08320.05
5.6.280.0030.07320.81
5.6.250.0070.07720.64
5.6.240.0030.09020.63
5.6.230.0100.09020.74
5.6.220.0170.07020.70
5.6.210.0170.07020.56
5.6.200.0000.08321.04
5.6.190.0130.07321.11
5.6.180.0000.06321.16
5.6.170.0030.05021.04
5.6.160.0170.07321.03
5.6.150.0070.08021.08
5.6.140.0170.07020.93
5.6.130.0200.05321.04
5.6.120.0130.08021.01
5.6.110.0030.04721.05
5.6.100.0030.08721.08
5.6.90.0100.07721.07
5.6.80.0030.07020.43
5.6.70.0200.07320.33
5.6.60.0100.07320.47
5.6.50.0100.07020.49
5.6.40.0130.08020.35
5.6.30.0170.07020.46
5.6.20.0000.08720.28
5.6.10.0130.07020.38
5.6.00.0100.05720.45
5.5.380.0070.05320.45
5.5.370.0130.05720.48
5.5.360.0130.05720.35
5.5.350.0070.08020.32
5.5.340.0100.06720.90
5.5.330.0100.06720.83
5.5.320.0100.06020.86
5.5.310.0030.08720.63
5.5.300.0070.08320.86
5.5.290.0100.07720.77
5.5.280.0030.06720.77
5.5.270.0070.08020.74
5.5.260.0000.09020.89
5.5.250.0130.06720.67
5.5.240.0130.06720.30
5.5.230.0100.07320.20
5.5.220.0070.08320.20
5.5.210.0130.07720.30
5.5.200.0200.07020.25
5.5.190.0100.07320.14
5.5.180.0130.06320.29
5.5.160.0070.04320.27
5.5.150.0100.07020.15
5.5.140.0000.05320.20
5.5.130.0130.07020.23
5.5.120.0100.07019.96
5.5.110.0070.07320.26
5.5.100.0030.07320.07
5.5.90.0100.05720.14
5.5.80.0070.04320.06
5.5.70.0070.08720.05
5.5.60.0070.05320.08
5.5.50.0230.06320.04
5.5.40.0270.05720.05
5.5.30.0100.08020.05
5.5.20.0030.08320.10
5.5.10.0030.05020.12
5.5.00.0030.06320.09
5.4.450.0000.09019.47
5.4.440.0030.07019.13
5.4.430.0100.07019.37
5.4.420.0130.07319.41
5.4.410.0030.08319.09
5.4.400.0000.05719.12
5.4.390.0070.08018.99
5.4.380.0130.06019.03
5.4.370.0070.04719.05
5.4.360.0030.05019.07
5.4.350.0130.05019.03
5.4.340.0070.06319.14
5.4.320.0100.07719.12
5.4.310.0170.03319.23
5.4.300.0130.05318.81
5.4.290.0070.07719.07
5.4.280.0030.07719.09
5.4.270.0130.02719.09
5.4.260.0070.03319.07
5.4.250.0070.07319.09
5.4.240.0070.07719.07
5.4.230.0130.06019.00
5.4.220.0070.07718.93
5.4.210.0100.07319.14
5.4.200.0030.04719.22
5.4.190.0030.08019.11
5.4.180.0130.03719.14
5.4.170.0130.06318.96
5.4.160.0130.07018.76
5.4.150.0130.06718.79
5.4.140.0070.05016.28
5.4.130.0070.07316.29
5.4.120.0100.06016.27
5.4.110.0030.07716.38
5.4.100.0070.07016.24
5.4.90.0070.07716.42
5.4.80.0130.07316.36
5.4.70.0130.03716.20
5.4.60.0030.07316.23
5.4.50.0070.07016.25
5.4.40.0070.04016.45
5.4.30.0030.06716.35
5.4.20.0100.06016.27
5.4.10.0070.07716.33
5.4.00.0070.07015.80

preferences:
58.63 ms | 401 KiB | 5 Q