3v4l.org

run code in 300+ PHP versions simultaneously
<?php $bad_json = '[{ "key": "value" }] [ [{ "key": "value", "obj": {} }, {} ] ] [{ "key": "value", "obj": {} }]'; $valid_json = "[" . preg_replace("~]\K(?=\s*\[)~", ",", $bad_json) . "]"; var_export(json_decode($valid_json, true));

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)
8.4.130.0140.00717.96
8.4.120.0110.00620.84
8.4.110.0060.00322.67
8.4.100.0070.00219.53
8.4.90.0130.00718.72
8.4.80.0060.00317.95
8.4.70.0080.01118.10
8.4.60.0110.00818.83
8.4.50.0060.00319.71
8.4.40.0190.00318.14
8.4.30.0140.00717.73
8.4.20.0100.01020.54
8.4.10.0030.00719.57
8.3.260.0120.00816.78
8.3.250.0120.00718.77
8.3.240.0090.01119.03
8.3.230.0120.00816.67
8.3.220.0100.00917.14
8.3.210.0130.00716.79
8.3.200.0050.00416.71
8.3.190.0060.00517.20
8.3.180.0090.01016.78
8.3.170.0130.00618.68
8.3.160.0150.00418.35
8.3.150.0160.00020.66
8.3.140.0080.00016.79
8.3.130.0060.00318.51
8.3.120.0130.00620.61
8.3.110.0040.00720.94
8.3.100.0130.00724.06
8.3.90.0030.00626.77
8.3.80.0030.00617.97
8.3.70.0040.01118.72
8.3.60.0120.00318.73
8.3.50.0230.00018.21
8.3.40.0130.00618.80
8.3.30.0120.00318.93
8.3.20.0080.00018.69
8.3.10.0040.00421.73
8.3.00.0040.00421.77
8.2.290.0060.00220.23
8.2.280.0060.00218.77
8.2.270.0040.01517.16
8.2.260.0050.00319.13
8.2.250.0080.00516.75
8.2.240.0130.00316.98
8.2.230.0050.00522.58
8.2.220.0040.00437.54
8.2.210.0040.00426.77
8.2.200.0000.00918.41
8.2.190.0070.01018.45
8.2.180.0100.01318.66
8.2.170.0000.01522.96
8.2.160.0110.00420.52
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0050.00322.39
8.2.120.0040.00426.35
8.2.110.0030.00621.16
8.2.100.0060.00617.97
8.2.90.0030.00517.97
8.2.80.0040.00417.97
8.2.70.0040.00417.77
8.2.60.0000.00818.09
8.2.50.0050.00318.10
8.2.40.0000.00819.37
8.2.30.0070.00020.73
8.2.20.0000.00718.16
8.2.10.0030.00618.17
8.2.00.0000.00918.30
8.1.330.0110.00922.08
8.1.320.0130.00816.35
8.1.310.0060.01216.77
8.1.300.0160.00316.10
8.1.290.0060.00330.84
8.1.280.0150.00025.92
8.1.270.0070.00721.88
8.1.260.0050.00226.35
8.1.250.0030.00728.09
8.1.240.0090.00023.97
8.1.230.0080.00422.73
8.1.220.0060.00317.77
8.1.210.0110.00018.77
8.1.200.0040.00717.35
8.1.190.0050.00317.35
8.1.180.0030.00618.10
8.1.170.0000.00818.86
8.1.160.0040.00418.94
8.1.150.0000.00718.88
8.1.140.0000.00718.83
8.1.130.0070.00020.30
8.1.120.0070.00417.61
8.1.110.0060.00317.65
8.1.100.0040.00417.50
8.1.90.0000.00717.64
8.1.80.0020.00517.50
8.1.70.0090.00017.65
8.1.60.0030.00517.68
8.1.50.0000.00817.65
8.1.40.0080.00017.57
8.1.30.0030.00617.82
8.1.20.0040.00417.71
8.1.10.0000.00717.55
8.1.00.0080.00017.58
8.0.300.0000.00719.91
8.0.290.0040.00416.73
8.0.280.0030.00318.48
8.0.270.0040.00417.30
8.0.260.0000.00618.41
8.0.250.0000.00717.05
8.0.240.0050.00317.20
8.0.230.0040.00317.11
8.0.220.0000.00717.16
8.0.210.0070.00017.12
8.0.200.0060.00017.04
8.0.190.0030.00517.20
8.0.180.0000.00717.16
8.0.170.0000.00917.16
8.0.160.0000.00717.08
8.0.150.0000.00717.00
8.0.140.0000.00817.11
8.0.130.0100.00315.27
8.0.120.0080.00516.98
8.0.110.0090.00417.05
8.0.100.0100.00417.12
8.0.90.0100.00417.08
8.0.80.0110.01017.12
8.0.70.0100.00417.08
8.0.60.0100.00417.02
8.0.50.0020.01017.03
8.0.30.0100.00817.15
8.0.20.0080.01117.31
8.0.10.0120.00517.05
8.0.00.0090.00617.00
7.4.330.0050.00015.55
7.4.320.0030.00316.77
7.4.300.0060.00016.58
7.4.290.0050.00316.74
7.4.280.0060.00316.67
7.4.270.0030.00316.77
7.4.260.0110.00316.67
7.4.250.0110.00316.72
7.4.240.0120.00216.69
7.4.230.0090.00416.69
7.4.220.0060.00716.50
7.4.210.0090.00716.71
7.4.200.0110.00216.64
7.4.190.0140.00316.77
7.4.180.0150.00316.61
7.4.160.0090.00816.71
7.4.150.0130.00416.78
7.4.140.0110.00717.52
7.4.130.0080.01016.63
7.4.120.0100.00816.72
7.4.110.0100.00816.70
7.4.100.0170.00416.76
7.4.90.0090.00816.64
7.4.80.0030.01517.62
7.4.70.0130.00416.63
7.4.60.0100.00616.68
7.4.50.0070.00816.67
7.4.40.0090.00816.58
7.4.30.0110.00516.63
7.4.20.0100.00516.60
7.4.10.0080.00716.56
7.4.00.0070.00815.85
7.3.330.0090.00314.83
7.3.320.0060.00614.84
7.3.310.0080.00516.34
7.3.300.0120.00116.34
7.3.290.0100.00216.36
7.3.280.0130.00616.50
7.3.270.0090.00716.38
7.3.260.0100.00816.43
7.3.250.0110.00416.42
7.3.240.0100.00716.50
7.3.230.0140.00616.43
7.3.220.0100.00716.34
7.3.210.0060.01116.25
7.3.200.0080.00716.29
7.3.190.0090.00516.42
7.3.180.0090.00616.38
7.3.170.0080.00716.39
7.3.160.0070.00816.46
7.3.150.0090.00516.14
7.3.140.0070.00716.06
7.3.130.0090.00616.08
7.3.120.0070.00815.82
7.3.110.0070.00715.59
7.3.100.0050.00815.89
7.3.90.0080.00715.90
7.3.80.0080.00615.77
7.3.70.0110.00215.81
7.3.60.0090.00515.91
7.3.50.0090.00515.86
7.3.40.0060.00515.95
7.3.30.0010.01215.88
7.3.20.0070.00817.18
7.3.10.0060.01017.04
7.3.00.0060.00717.07
7.2.340.0130.00816.49
7.2.330.0090.00816.52
7.2.320.0090.00816.45
7.2.310.0060.01016.56
7.2.300.0100.00916.47
7.2.290.0100.00716.51
7.2.280.0140.00316.49
7.2.270.0110.00516.49
7.2.260.0120.00516.38
7.2.250.0110.00716.03
7.2.240.0110.00716.06
7.2.230.0100.00715.92
7.2.220.0070.01016.02
7.2.210.0110.00815.88
7.2.200.0110.00616.07
7.2.190.0100.00716.11
7.2.180.0140.00316.02
7.2.170.0120.00516.06
7.2.160.0140.00316.65
7.2.150.0140.00417.50
7.2.140.0120.00917.59
7.2.130.0100.01117.67
7.2.120.0120.00718.45
7.2.110.0150.00318.51
7.2.100.0800.00917.20
7.2.90.0480.00617.35
7.2.80.0480.01117.16
7.2.70.0500.00917.32
7.2.60.0380.01017.35
7.2.50.0540.00917.32
7.2.40.0550.00617.42
7.2.30.0410.00817.36
7.2.20.0550.00617.33
7.2.10.0470.01017.35
7.2.00.0510.00717.30
7.1.330.0140.00716.31
7.1.320.0110.00716.31
7.1.310.0090.00816.25
7.1.300.0100.00616.25
7.1.290.0110.00716.43
7.1.280.0090.00816.28
7.1.270.0080.01116.32
7.1.260.0100.00816.28
7.1.250.0130.00817.32
7.1.240.0140.00417.32
7.1.230.0130.00617.33
7.1.220.0520.00816.18
7.1.210.0520.00716.26
7.1.200.0470.00316.22
7.1.190.0460.00716.23
7.1.180.0510.00616.22
7.1.170.0600.00516.13
7.1.160.0730.00316.20
7.1.150.0490.00616.24
7.1.140.0570.00416.29
7.1.130.0590.00216.19
7.1.120.0590.00416.20
7.1.110.0580.00216.22
7.1.100.0560.00816.31
7.1.90.0470.00716.20
7.1.80.0910.00416.34
7.1.70.0450.00716.19
7.1.60.0670.00422.47
7.1.50.0560.01022.32
7.1.40.0480.00822.30
7.1.30.0600.00822.28
7.1.20.0750.00522.20
7.1.10.0910.00316.31
7.1.00.0650.00116.30
7.0.330.0150.00617.16
7.0.320.0180.00216.96
7.0.310.0070.01117.08
7.0.300.0150.00317.03
7.0.290.0130.00517.02
7.0.280.0130.00617.05
7.0.270.0150.00517.07
7.0.260.0130.00517.01
7.0.250.0140.00517.18
7.0.240.0130.00417.28
7.0.230.0090.00917.19
7.0.220.0120.00917.11
7.0.210.0160.00317.11
7.0.200.0180.00317.06
7.0.190.0180.00517.25
7.0.180.0120.00717.10
7.0.170.0170.00317.23
7.0.160.0150.00716.99
7.0.150.0130.00816.99
7.0.140.0120.00916.93
7.0.130.0150.00617.23
7.0.120.0130.00717.16
7.0.110.0140.00516.99
7.0.100.0130.00917.17
7.0.90.0160.00717.08
7.0.80.0270.00316.09
7.0.70.0100.00916.17
7.0.60.0120.00816.18
7.0.50.0110.00716.03
7.0.40.0110.00716.07
7.0.30.0100.00816.25
7.0.20.0130.00716.17
7.0.10.0160.00416.07
7.0.00.0170.00616.07
5.6.400.0170.00215.80
5.6.390.0150.00515.74
5.6.380.0130.00515.15
5.6.370.0100.01015.82
5.6.360.0110.00915.83
5.6.350.0090.00915.83
5.6.340.0170.00415.72
5.6.330.0100.00915.86
5.6.320.0090.00915.68
5.6.310.0090.01115.77
5.6.300.0150.00915.59
5.6.290.0200.00315.70
5.6.280.0120.00915.71
5.6.270.0130.00615.67
5.6.260.0160.00615.79
5.6.250.0180.00315.65
5.6.240.0210.00515.70
5.6.230.0130.00715.85
5.6.220.0110.01015.81
5.6.210.0130.00815.90
5.6.200.0090.00915.91
5.6.190.0120.00715.98
5.6.180.0150.00415.89
5.6.170.0170.00515.98
5.6.160.0100.00915.98
5.6.150.0150.00515.94
5.6.140.0160.00415.90
5.6.130.0180.00315.88
5.6.120.0140.00615.88
5.6.110.0130.00815.88
5.6.100.0150.00715.78
5.6.90.0200.00315.80
5.6.80.0150.00315.65
5.6.70.0070.01115.82
5.6.60.0130.00515.87
5.6.50.0140.00715.69
5.6.40.0160.00615.79
5.6.30.0100.01015.69
5.6.20.0110.00815.67
5.6.10.0080.01115.61
5.6.00.0080.01315.73

preferences:
34.33 ms | 403 KiB | 5 Q