3v4l.org

run code in 300+ PHP versions simultaneously
<?php $json = json_encode( array( 1 => array( 'English' => array( 'One', 'January' ), 'French' => array( 'Une', 'Janvier' ) ) ) ); // Define the errors. $constants = get_defined_constants(true); $json_errors = array(); foreach ($constants["json"] as $name => $value) { if (!strncmp($name, "JSON_ERROR_", 11)) { $json_errors[$value] = $name; } } // Show the errors for different depths. foreach (range(4, 3, -1) as $depth) { var_dump(json_decode($json, true, $depth)); echo 'Last error: ', $json_errors[json_last_error()], PHP_EOL, PHP_EOL; }

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)
8.3.60.0170.00318.43
8.3.50.0100.00921.02
8.3.40.0120.00318.71
8.3.30.0150.00419.17
8.3.20.0000.00820.34
8.3.10.0000.00822.04
8.3.00.0040.00422.52
8.2.180.0110.00416.50
8.2.170.0140.00022.96
8.2.160.0110.00419.00
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0030.01626.16
8.2.120.0050.00319.49
8.2.110.0090.00020.43
8.2.100.0040.00719.25
8.2.90.0000.00819.18
8.2.80.0050.00318.03
8.2.70.0030.00617.63
8.2.60.0040.00417.93
8.2.50.0030.00618.07
8.2.40.0060.00318.22
8.2.30.0000.00718.12
8.2.20.0000.00817.86
8.2.10.0040.00417.81
8.2.00.0070.00417.87
8.1.280.0100.01025.92
8.1.270.0040.00422.24
8.1.260.0000.00726.35
8.1.250.0040.00728.09
8.1.240.0040.00423.96
8.1.230.0090.00319.20
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0090.00017.47
8.1.190.0070.00017.53
8.1.180.0000.00818.75
8.1.170.0000.00818.47
8.1.160.0030.00322.18
8.1.150.0020.00518.64
8.1.140.0020.00517.48
8.1.130.0000.00717.86
8.1.120.0070.00017.49
8.1.110.0090.00017.54
8.1.100.0000.00717.40
8.1.90.0040.00417.42
8.1.80.0000.00717.32
8.1.70.0020.00517.47
8.1.60.0000.00817.68
8.1.50.0000.00817.46
8.1.40.0050.00317.56
8.1.30.0040.00417.67
8.1.20.0000.00817.73
8.1.10.0040.00417.63
8.1.00.0000.00917.44
8.0.300.0000.00818.77
8.0.290.0070.00017.30
8.0.280.0030.00318.50
8.0.270.0030.00317.31
8.0.260.0030.00316.72
8.0.250.0000.00817.04
8.0.240.0000.01016.89
8.0.230.0070.00016.89
8.0.220.0000.00716.88
8.0.210.0000.00716.91
8.0.200.0000.00716.86
8.0.190.0050.00216.98
8.0.180.0000.00816.95
8.0.170.0050.00316.86
8.0.160.0040.00416.87
8.0.150.0040.00416.80
8.0.140.0000.00916.90
8.0.130.0060.00013.27
8.0.120.0040.00416.78
8.0.110.0000.00716.81
8.0.100.0020.00516.82
8.0.90.0000.00716.80
8.0.80.0120.00316.97
8.0.70.0040.00416.96
8.0.60.0070.00016.73
8.0.50.0070.00016.89
8.0.30.0140.00517.07
8.0.20.0130.00817.40
8.0.10.0070.00017.00
8.0.00.0130.00616.79
7.4.330.0030.00315.00
7.4.320.0030.00316.46
7.4.300.0030.00316.55
7.4.290.0040.00416.45
7.4.280.0000.00716.64
7.4.270.0030.00316.64
7.4.260.0060.00316.53
7.4.250.0040.00416.54
7.4.240.0040.00416.51
7.4.230.0000.00716.57
7.4.220.0070.01116.56
7.4.210.0040.01016.62
7.4.200.0050.00216.66
7.4.190.0000.00716.64
7.4.160.0120.00416.42
7.4.150.0100.01017.40
7.4.140.0070.01217.86
7.4.130.0080.00916.65
7.4.120.0140.00916.55
7.4.110.0110.00616.57
7.4.100.0070.01016.59
7.4.90.0110.00716.66
7.4.80.0090.00919.39
7.4.70.0100.01016.54
7.4.60.0190.02516.53
7.4.50.0080.00016.43
7.4.40.0070.00422.77
7.4.30.0110.00716.48
7.4.00.0070.00714.71
7.3.330.0060.00013.15
7.3.320.0030.00313.34
7.3.310.0040.00416.45
7.3.300.0040.00416.45
7.3.290.0130.00716.38
7.3.280.0090.00916.39
7.3.270.0070.01117.40
7.3.260.0130.00316.28
7.3.250.0060.01216.66
7.3.240.0140.00316.64
7.3.230.0120.00416.39
7.3.210.0120.00416.50
7.3.200.0160.00619.39
7.3.190.0120.00616.40
7.3.180.0150.00316.56
7.3.170.0090.00916.61
7.3.160.0030.01316.50
7.3.120.0030.01214.91
7.2.330.0090.00916.79
7.2.320.0150.00616.84
7.2.310.0100.01316.75
7.2.300.0130.00316.82
7.2.290.0130.00316.77
7.2.00.0110.00619.39
7.1.200.0070.00715.97
7.1.100.0030.01017.83
7.1.70.0040.00417.13
7.1.60.0120.01219.82
7.1.50.0210.00316.63
7.1.00.0000.04322.32
7.0.200.0030.00716.73
7.0.140.0170.06321.97
7.0.110.0200.07720.03
7.0.100.0100.07720.01
7.0.90.0070.07720.09
7.0.80.0130.07320.04
7.0.70.0130.08020.09
7.0.60.0230.07020.10
7.0.50.0100.06320.10
7.0.40.0100.07319.67
7.0.30.0070.08019.75
7.0.20.0170.07319.66
7.0.10.0070.08019.84
7.0.00.0200.07019.73
5.6.280.0070.07021.13
5.6.260.0130.07320.68
5.6.250.0000.09020.63
5.6.240.0070.08320.73
5.6.230.0100.07720.69
5.6.220.0100.07720.60
5.6.210.0170.06720.71
5.6.200.0130.04720.56
5.6.190.0200.05320.89
5.6.180.0100.07320.68
5.6.170.0070.08320.71
5.6.160.0070.08320.58
5.6.150.0100.07320.65
5.6.140.0130.05320.67
5.6.130.0100.07320.64
5.6.120.0130.08020.72
5.6.110.0100.08020.61
5.6.100.0130.08020.69
5.6.90.0100.05320.69
5.6.80.0130.07019.97
5.6.70.0100.08320.06
5.6.60.0200.06720.08
5.6.50.0130.07720.07
5.6.40.0200.06319.92
5.6.30.0000.08319.98
5.6.20.0100.06720.02
5.6.10.0070.07720.03
5.6.00.0030.05320.03
5.5.380.0030.08320.61
5.5.370.0170.07020.58
5.5.360.0070.05020.43
5.5.350.0030.08720.46
5.5.340.0130.06320.91
5.5.330.0070.08320.84
5.5.320.0070.05720.81
5.5.310.0130.07720.86
5.5.300.0130.07720.77
5.5.290.0100.07320.89
5.5.280.0070.07020.77
5.5.270.0030.04320.96
5.5.260.0030.09021.06
5.5.250.0070.08320.74
5.5.240.0100.07320.20
5.5.230.0070.08320.36
5.5.220.0100.07020.42
5.5.210.0230.05320.20
5.5.200.0170.06720.16
5.5.190.0070.07020.39
5.5.180.0100.08020.28
5.5.160.0100.07720.24
5.5.150.0070.08020.36
5.5.140.0170.06720.35
5.5.130.0170.07320.27
5.5.120.0070.06320.27
5.5.110.0100.07320.41
5.5.100.0170.07020.24
5.5.90.0130.07720.13
5.5.80.0100.07320.18
5.5.70.0030.08720.22
5.5.60.0030.07720.01
5.5.50.0100.07020.15
5.5.40.0070.07320.24
5.5.30.0030.08320.15
5.5.20.0070.05020.15
5.5.10.0200.07020.18
5.5.00.0100.06720.14
5.4.450.0100.05319.44
5.4.440.0100.07019.32
5.4.430.0100.07319.25
5.4.420.0170.07719.36
5.4.410.0000.09019.15
5.4.400.0170.07719.08
5.4.390.0030.08719.11
5.4.380.0170.07319.12
5.4.370.0000.07719.12
5.4.360.0130.07319.02
5.4.350.0100.07319.10
5.4.340.0100.07319.27
5.4.320.0100.07719.00
5.4.310.0070.04319.04
5.4.300.0070.07719.11
5.4.290.0030.06018.95
5.4.280.0130.07318.94
5.4.270.0030.08319.12
5.4.260.0170.07019.16
5.4.250.0130.06719.07
5.4.240.0130.06719.02
5.4.230.0070.07019.01
5.4.220.0030.06019.17
5.4.210.0170.06718.99
5.4.200.0100.07319.24
5.4.190.0070.06319.18
5.4.180.0070.07719.02
5.4.170.0030.08319.15
5.4.160.0070.05319.05
5.4.150.0070.07719.00
5.4.140.0130.06716.54
5.4.130.0130.06316.28
5.4.120.0130.06016.52
5.4.110.0000.05016.34
5.4.100.0070.07316.34
5.4.90.0100.07016.34
5.4.80.0100.06016.55
5.4.70.0070.07316.18
5.4.60.0130.06316.43
5.4.50.0130.06016.16
5.4.40.0100.06316.21
5.4.30.0000.05316.55
5.4.20.0070.06316.55
5.4.10.0070.07316.53
5.4.00.0100.04015.95
5.3.290.0070.05014.69
5.3.280.0070.08014.85
5.3.270.0070.07314.84
5.3.260.0070.04714.65
5.3.250.0130.06314.91
5.3.240.0070.05014.80
5.3.230.0030.05014.68
5.3.220.0070.06714.79
5.3.210.0030.08014.79
5.3.200.0070.07014.55
5.3.190.0030.07314.84
5.3.180.0070.07314.82
5.3.170.0100.07314.69
5.3.160.0100.07714.55
5.3.150.0100.06714.69
5.3.140.0070.08014.63
5.3.130.0100.07014.63
5.3.120.0070.06714.54
5.3.110.0130.07314.64
5.3.100.0070.07314.17
5.3.90.0130.06714.04
5.3.80.0070.07714.00
5.3.70.0030.07314.28
5.3.60.0070.07714.12
5.3.50.0070.07014.02
5.3.40.0070.05314.02
5.3.30.0100.07014.18
5.3.20.0100.07013.81
5.3.10.0100.07013.75
5.3.00.0070.07013.76
5.2.170.0070.06312.51
5.2.160.0030.06312.51
5.2.150.0070.05712.51
5.2.140.0070.06012.51
5.2.130.0030.06012.51
5.2.120.0030.04312.51
5.2.110.0030.06012.51
5.2.100.0030.06312.51
5.2.90.0000.06012.51
5.2.80.0100.05712.51
5.2.70.0070.06012.51
5.2.60.0030.05312.51
5.2.50.0100.05712.51
5.2.40.0000.04012.51
5.2.30.0030.06712.51
5.2.20.0070.05312.51
5.2.10.0070.05012.51
5.2.00.0070.05712.51
5.1.60.0100.05012.51
5.1.50.0070.05012.51
5.1.40.0070.05012.51
5.1.30.0070.05712.51
5.1.20.0070.05312.51
5.1.10.0000.03012.51
5.1.00.0030.04712.51
5.0.50.0070.04312.51
5.0.40.0030.03312.51
5.0.30.0070.06012.51
5.0.20.0070.03712.51
5.0.10.0030.04012.51
5.0.00.0030.06012.51
4.4.90.0000.04012.51
4.4.80.0070.03012.51
4.4.70.0000.04012.51
4.4.60.0000.03712.51
4.4.50.0130.01712.51
4.4.40.0100.04312.51
4.4.30.0030.02712.51
4.4.20.0070.02012.51
4.4.10.0070.02012.51
4.4.00.0030.04012.51
4.3.110.0100.02312.51
4.3.100.0000.03712.51
4.3.90.0030.03312.51
4.3.80.0000.05712.51
4.3.70.0000.03712.51
4.3.60.0100.02712.51
4.3.50.0000.04012.51
4.3.40.0070.04312.51
4.3.30.0070.03012.51
4.3.20.0000.03712.51
4.3.10.0000.04012.51
4.3.00.0000.03312.51

preferences:
39.3 ms | 401 KiB | 5 Q