3v4l.org

run code in 300+ PHP versions simultaneously
<?php $badValue = array( 'key1' => array( 'irrelevant' => array('nothere'), 'key2' => array( 'goodString' => 'OK', 'badString' => "\xc3\x28foo" ) ) ); $enc = json_encode($badValue); print_r(array('enc' => $enc, 'json_last_error' => json_last_error())); echo "\nafter";

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)
8.3.60.0110.00418.40
8.3.50.0050.00921.20
8.3.40.0030.01418.84
8.3.30.0090.00918.55
8.3.20.0030.00518.51
8.3.10.0040.00420.57
8.3.00.0030.00717.38
8.2.180.0090.00616.38
8.2.170.0130.00722.96
8.2.160.0120.00822.09
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0050.00319.91
8.2.110.0030.00621.06
8.2.100.0080.00417.72
8.2.90.0040.00419.43
8.2.80.0080.00018.03
8.2.70.0050.00317.50
8.2.60.0000.00817.93
8.2.50.0000.00818.07
8.2.40.0060.00318.09
8.2.30.0000.00819.91
8.2.20.0070.00017.69
8.2.10.0050.00317.58
8.2.00.0000.00717.59
8.1.280.0070.00725.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00722.59
8.1.230.0120.00020.89
8.1.220.0040.00418.77
8.1.210.0000.00818.82
8.1.200.0040.00417.35
8.1.190.0070.00017.39
8.1.180.0060.00318.10
8.1.170.0070.00018.84
8.1.160.0040.00418.72
8.1.150.0040.00418.48
8.1.140.0050.00317.42
8.1.130.0000.00717.75
8.1.120.0040.00417.38
8.1.110.0000.00717.38
8.1.100.0000.00817.39
8.1.90.0050.00317.29
8.1.80.0070.00017.44
8.1.70.0050.00217.34
8.1.60.0060.00317.39
8.1.50.0000.00817.32
8.1.40.0030.00517.48
8.1.30.0000.00817.59
8.1.20.0000.00917.58
8.1.10.0030.00517.47
8.1.00.0040.00417.42
8.0.300.0080.00019.88
8.0.290.0030.00516.75
8.0.280.0030.00318.30
8.0.270.0030.00517.25
8.0.260.0030.00318.53
8.0.250.0000.00716.86
8.0.240.0000.00816.89
8.0.230.0070.00016.75
8.0.220.0030.00716.84
8.0.210.0050.00216.76
8.0.200.0000.00716.88
8.0.190.0040.00416.93
8.0.180.0030.00516.80
8.0.170.0080.00016.75
8.0.160.0000.00716.90
8.0.150.0030.00516.75
8.0.140.0120.00016.81
8.0.130.0030.00313.30
8.0.120.0000.00816.80
8.0.110.0070.00016.70
8.0.100.0050.00316.72
8.0.90.0070.00016.82
8.0.80.0130.00316.76
8.0.70.0030.00516.90
8.0.60.0040.00416.67
8.0.50.0050.00316.63
8.0.30.0080.01117.21
8.0.20.0120.00617.40
8.0.10.0000.00817.05
8.0.00.0100.01016.77
7.4.330.0050.00014.59
7.4.320.0000.00616.38
7.4.300.0030.00316.38
7.4.290.0040.00416.42
7.4.280.0030.00516.51
7.4.270.0030.00316.38
7.4.260.0030.00313.14
7.4.250.0040.00416.42
7.4.240.0040.00416.47
7.4.230.0030.00316.59
7.4.220.0060.01216.32
7.4.210.0040.01116.55
7.4.200.0030.00316.37
7.4.190.0030.00316.39
7.4.160.0110.00416.48
7.4.150.0180.00017.40
7.4.140.0120.00417.11
7.4.130.0080.01216.49
7.4.120.0110.00616.48
7.4.110.0100.00616.68
7.4.100.0060.01516.37
7.4.90.0030.01316.35
7.4.80.0120.00419.03
7.4.70.0160.01516.49
7.4.60.0100.00716.39
7.4.50.0000.00716.15
7.4.40.0070.01022.27
7.4.30.0030.01316.46
7.4.00.0100.00714.63
7.3.330.0000.00713.02
7.3.320.0000.00613.00
7.3.310.0070.00016.18
7.3.300.0070.00016.14
7.3.290.0120.00316.14
7.3.280.0050.01016.15
7.3.270.0140.00317.40
7.3.260.0090.00818.24
7.3.250.0170.00316.38
7.3.240.0110.01116.22
7.3.230.0030.01316.39
7.3.210.0070.01016.31
7.3.200.0030.01419.39
7.3.190.0180.00816.10
7.3.180.0130.00316.39
7.3.170.0050.01416.48
7.3.160.0090.01216.29
7.3.120.0100.00315.00
7.2.330.0120.00616.55
7.2.320.0070.01016.29
7.2.310.0120.00916.33
7.2.300.0150.00316.54
7.2.290.0120.00416.63
7.2.00.0040.01119.57
7.1.100.0060.00817.90
7.1.70.0130.01317.12
7.1.60.0180.00719.40
7.1.50.0060.01316.92
7.1.00.0000.03722.32
7.0.200.0080.00314.92
7.0.140.0070.07322.11
7.0.90.0030.06019.89
7.0.80.0030.04319.84
7.0.70.0130.03319.98
7.0.60.0130.03319.91
7.0.50.0070.06320.30
7.0.40.0030.04320.04
7.0.30.0070.05020.09
7.0.20.0030.04320.13
7.0.10.0000.04320.06
7.0.00.0070.04020.12
5.6.280.0100.06720.85
5.6.240.0030.04720.72
5.6.230.0030.05320.68
5.6.220.0100.03320.57
5.6.210.0000.05020.70
5.6.200.0030.04720.93
5.6.190.0030.04320.95
5.6.180.0070.04021.05
5.6.170.0100.03720.93
5.6.160.0000.04721.16
5.6.150.0070.03721.02
5.6.140.0000.04320.90
5.6.130.0030.05321.01
5.6.120.0100.07020.94
5.6.110.0100.06020.99
5.6.100.0000.05721.01
5.6.90.0030.09020.99
5.6.80.0030.08320.50
5.6.70.0100.07020.45
5.6.60.0200.06720.36
5.6.50.0070.07720.32
5.6.40.0070.08720.39
5.6.30.0070.07020.46
5.6.20.0070.04320.41
5.6.10.0100.07320.30
5.6.00.0070.04320.27
5.5.380.0070.04320.45
5.5.370.0100.03320.45
5.5.360.0100.04320.37
5.5.350.0070.03720.33
5.5.340.0030.04720.91
5.5.330.0000.05020.84
5.5.320.0100.04020.88
5.5.310.0030.04320.93
5.5.300.0030.04020.85
5.5.290.0000.04320.79
5.5.280.0100.08320.63
5.5.270.0070.08020.74
5.5.260.0000.05320.88
5.5.250.0030.08320.45
5.5.240.0130.04720.26
5.5.230.0070.08720.11
5.5.220.0200.06720.12
5.5.210.0130.04720.24
5.5.200.0030.04720.26
5.5.190.0070.08320.24
5.5.180.0130.05320.22
5.5.160.0070.08320.25
5.5.150.0070.08320.21
5.5.140.0030.05020.24
5.5.130.0100.06320.21
5.5.120.0130.07020.09
5.5.110.0100.07320.09
5.5.100.0030.08720.06
5.5.90.0100.07320.05
5.5.80.0070.07320.14
5.5.70.0030.08020.03
5.5.60.0100.06720.15
5.5.50.0170.03719.98
5.5.40.0030.04020.07
5.5.30.0130.06720.06
5.5.20.0100.07320.14
5.5.10.0070.05320.04
5.5.00.0070.04720.09
5.4.450.0070.08719.42
5.4.440.0070.05719.44
5.4.430.0030.04319.13
5.4.420.0000.06319.44
5.4.410.0130.07719.09
5.4.400.0170.06719.10
5.4.390.0070.07019.09
5.4.380.0130.05318.98
5.4.370.0070.08018.93
5.4.360.0030.07718.96
5.4.350.0000.08019.04
5.4.340.0030.08318.89
5.4.320.0030.05719.14
5.4.310.0070.03718.99
5.4.300.0000.05319.11
5.4.290.0100.07019.09
5.4.280.0030.08318.96
5.4.270.0030.08319.02
5.4.260.0270.03718.93
5.4.250.0030.08018.97
5.4.240.0130.07019.14
5.4.230.0170.06319.09
5.4.220.0200.06019.11
5.4.210.0030.04319.02
5.4.200.0100.06719.10
5.4.190.0070.05319.11
5.4.180.0030.07718.88
5.4.170.0100.07019.02
5.4.160.0000.05319.00
5.4.150.0100.05018.75
5.4.140.0100.06316.32
5.4.130.0030.05016.27
5.4.120.0100.07016.30
5.4.110.0030.05316.35
5.4.100.0100.07016.30
5.4.90.0070.04716.32
5.4.80.0100.06016.30
5.4.70.0030.07016.31
5.4.60.0100.05316.20
5.4.50.0200.05716.37
5.4.40.0100.07016.42
5.4.30.0030.04716.27
5.4.20.0100.04316.34
5.4.10.0130.03716.39
5.4.00.0070.06715.66
5.3.290.0100.06014.48
5.3.280.0070.06314.56
5.3.270.0070.05314.57
5.3.260.0030.08014.58
5.3.250.0070.07014.61
5.3.240.0100.07014.46
5.3.230.0070.07714.58
5.3.220.0070.06314.57
5.3.210.0030.08014.52
5.3.200.0100.07014.50
5.3.190.0100.04714.48
5.3.180.0030.04714.50
5.3.170.0100.06714.58
5.3.160.0030.05014.57
5.3.150.0070.04314.44
5.3.140.0030.06714.55
5.3.130.0000.04314.52
5.3.120.0030.06314.40
5.3.110.0030.07714.50
5.3.100.0130.07013.89
5.3.90.0070.04714.01
5.3.80.0070.07014.00
5.3.70.0070.07313.78
5.3.60.0130.06713.94
5.3.50.0070.06313.90
5.3.40.0070.04013.92
5.3.30.0070.04713.89
5.3.20.0070.06313.68
5.3.10.0030.03713.56
5.3.00.0030.04713.49
5.2.170.0000.06711.13
5.2.160.0070.04710.95
5.2.150.0070.04311.10
5.2.140.0030.05710.93
5.2.130.0030.03710.96
5.2.120.0170.04311.12
5.2.110.0030.05311.06
5.2.100.0070.04311.08
5.2.90.0070.03010.95
5.2.80.0000.05711.05
5.2.70.0070.06311.08
5.2.60.0000.07010.84
5.2.50.0070.03011.02
5.2.40.0030.03010.98
5.2.30.0070.05710.97
5.2.20.0100.05710.82
5.2.10.0030.04310.77
5.2.00.0030.06310.73
5.1.60.0070.0379.97
5.1.50.0070.0509.98
5.1.40.0030.05010.04
5.1.30.0070.05010.39
5.1.20.0000.06310.39
5.1.10.0100.05310.05
5.1.00.0100.03310.09
5.0.50.0030.0478.55
5.0.40.0070.0408.29
5.0.30.0030.0508.25
5.0.20.0070.0408.20
5.0.10.0070.0378.15
5.0.00.0000.0538.20
4.4.90.0000.0337.34
4.4.80.0000.0307.34
4.4.70.0000.0407.34
4.4.60.0030.0377.34
4.4.50.0030.0307.34
4.4.40.0000.0377.34
4.4.30.0000.0377.34
4.4.20.0030.0337.34
4.4.10.0030.0137.34
4.4.00.0030.0507.34
4.3.110.0070.0307.34
4.3.100.0000.0377.34
4.3.90.0000.0337.34
4.3.80.0030.0537.34
4.3.70.0070.0207.34
4.3.60.0030.0307.34
4.3.50.0000.0377.34
4.3.40.0030.0477.34
4.3.30.0070.0237.34
4.3.20.0070.0177.34
4.3.10.0000.0377.34
4.3.00.0000.0377.34

preferences:
42.25 ms | 401 KiB | 5 Q