3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_decode("[]", false, 1)); var_dump(json_last_error()); var_dump(json_decode("[]", false, 2)); var_dump(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)
8.3.60.0130.00716.50
8.3.50.0090.00821.98
8.3.40.0090.00618.54
8.3.30.0080.00618.84
8.3.20.0040.00420.04
8.3.10.0000.00823.56
8.3.00.0040.00419.13
8.2.180.0070.01518.31
8.2.170.0070.00722.96
8.2.160.0130.00020.43
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0070.00322.30
8.2.110.0060.00321.11
8.2.100.0070.00417.91
8.2.90.0000.00818.97
8.2.80.0030.00617.97
8.2.70.0080.00017.50
8.2.60.0040.00417.80
8.2.50.0050.00318.10
8.2.40.0060.00320.64
8.2.30.0000.00719.11
8.2.20.0000.00817.61
8.2.10.0020.00517.83
8.2.00.0050.00317.47
8.1.280.0100.01025.92
8.1.270.0000.00823.90
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00722.62
8.1.230.0040.00720.32
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.10
8.1.190.0030.00517.10
8.1.180.0040.00418.10
8.1.170.0030.00518.67
8.1.160.0020.00518.74
8.1.150.0000.00720.07
8.1.140.0040.00417.22
8.1.130.0040.00417.79
8.1.120.0000.00717.29
8.1.110.0000.00817.34
8.1.100.0000.00717.32
8.1.90.0050.00317.31
8.1.80.0070.00017.30
8.1.70.0030.00317.31
8.1.60.0040.00417.36
8.1.50.0000.00817.39
8.1.40.0000.00817.34
8.1.30.0030.00517.44
8.1.20.0000.00717.47
8.1.10.0030.00517.40
8.1.00.0050.00217.23
8.0.300.0050.00218.77
8.0.290.0000.00816.58
8.0.280.0000.00718.31
8.0.270.0030.00317.10
8.0.260.0030.00316.63
8.0.250.0050.00316.83
8.0.240.0000.00716.80
8.0.230.0080.00016.77
8.0.220.0070.00016.63
8.0.210.0030.00416.71
8.0.200.0000.00616.85
8.0.190.0040.00416.70
8.0.180.0000.00716.82
8.0.170.0070.00016.70
8.0.160.0000.00716.74
8.0.150.0000.00716.69
8.0.140.0000.00816.71
8.0.130.0060.00013.12
8.0.120.0000.00716.62
8.0.110.0040.00416.71
8.0.100.0040.00416.63
8.0.90.0040.00416.80
8.0.80.0090.00616.76
8.0.70.0080.00016.73
8.0.60.0070.00016.71
8.0.50.0050.00216.72
8.0.30.0140.00616.92
8.0.20.0130.01117.40
8.0.10.0020.00516.90
8.0.00.0050.01216.54
7.4.330.0040.00215.00
7.4.320.0060.00016.46
7.4.300.0050.00216.50
7.4.290.0060.00316.49
7.4.280.0000.00716.41
7.4.270.0000.00816.46
7.4.260.0000.00716.23
7.4.250.0080.00016.32
7.4.240.0020.00516.33
7.4.230.0000.00716.19
7.4.220.0030.01316.54
7.4.210.0070.00916.47
7.4.200.0030.00416.48
7.4.190.0070.00016.25
7.4.160.0060.01516.41
7.4.150.0180.00017.40
7.4.140.0090.00917.86
7.4.130.0110.00616.36
7.4.120.0060.01116.35
7.4.110.0170.00616.36
7.4.100.0080.01316.31
7.4.90.0140.00716.33
7.4.80.0030.01519.39
7.4.70.0030.01316.53
7.4.60.0100.00716.44
7.4.50.0030.00616.36
7.4.40.0060.00622.77
7.4.30.0060.01016.52
7.4.00.0070.00814.67
7.3.330.0050.00012.96
7.3.320.0000.00513.01
7.3.310.0070.00016.21
7.3.300.0070.00015.98
7.3.290.0040.01016.17
7.3.280.0060.01316.13
7.3.270.0060.01017.40
7.3.260.0070.01516.32
7.3.250.0080.01216.13
7.3.240.0070.01016.22
7.3.230.0060.01616.39
7.3.210.0080.01216.28
7.3.200.0090.00919.39
7.3.190.0160.00316.08
7.3.180.0060.00916.41
7.3.170.0090.00616.27
7.3.160.0080.01116.23
7.3.120.0100.00614.72
7.3.110.0050.01314.70
7.3.100.0030.00814.55
7.3.90.0070.00914.73
7.3.80.0080.00714.88
7.3.70.0030.01014.63
7.3.60.0000.01314.71
7.3.50.0060.00314.64
7.3.40.0090.00414.50
7.3.30.0000.01214.62
7.3.20.0050.00716.22
7.3.10.0030.01216.54
7.3.00.0040.00916.35
7.2.330.0060.01216.32
7.2.320.0120.00416.20
7.2.310.0140.00316.34
7.2.300.0120.01016.29
7.2.290.0120.00316.33
7.2.250.0050.01314.85
7.2.240.0070.01014.78
7.2.230.0030.01214.68
7.2.220.0060.00614.52
7.2.210.0080.00814.90
7.2.200.0050.00914.85
7.2.190.0060.00714.78
7.2.180.0060.00714.76
7.2.170.0090.00614.64
7.2.00.0060.00319.25
7.1.330.0020.01215.66
7.1.320.0070.00215.57
7.1.310.0040.00915.53
7.1.300.0070.00515.55
7.1.290.0080.00515.55
7.1.280.0060.00515.68
7.1.270.0060.00615.57
7.1.260.0070.00715.60
7.1.100.0060.00917.57
7.1.70.0000.00717.11
7.1.60.0070.01819.33
7.1.50.0080.01216.78
7.1.00.0000.08022.40
7.0.200.0060.01016.68
7.0.140.0100.06722.13
7.0.60.0230.05719.92
7.0.50.0130.07317.78
7.0.40.0070.08020.05
7.0.30.0330.06020.00
7.0.20.0330.05020.14
7.0.10.0100.03720.30
7.0.00.0070.09020.30
5.6.280.0100.06321.10
5.6.210.0030.06020.66
5.6.200.0070.08018.21
5.6.190.0170.07720.41
5.6.180.0200.04320.60
5.6.170.0270.08320.54
5.6.160.0070.08320.49
5.6.150.0000.04318.08
5.6.140.0100.07718.10
5.6.130.0070.08018.11
5.6.120.0130.04320.99
5.6.110.0130.07720.97
5.6.100.0170.07721.07
5.6.90.0200.07020.96
5.6.80.0030.04020.35
5.5.350.4300.03320.39
5.5.340.0000.09017.93
5.5.330.0070.03720.25
5.5.320.0370.07320.34
5.5.310.0370.07020.30
5.5.300.0070.07017.96
5.5.290.0070.04017.95
5.5.280.0000.09020.89
5.5.270.0100.08020.64
5.5.260.0070.08320.87
5.5.250.0100.08320.45
5.5.240.0030.03720.17
5.4.450.3270.03719.45
5.4.440.0030.08719.47
5.4.430.1270.04019.32
5.4.420.3800.04019.49
5.4.410.4200.04019.20
5.4.400.3870.03719.06
5.4.390.4730.04319.13
5.4.380.4000.03019.16
5.4.370.4030.03019.23
5.4.360.3670.03319.06
5.4.350.3400.03319.08
5.4.340.0000.04018.88
5.4.320.4900.03319.18
5.4.310.3700.03019.05
5.4.300.3470.03718.96
5.4.290.3170.04019.04
5.4.280.3500.02719.08
5.4.270.3700.03318.96
5.4.260.3670.03719.05
5.4.250.3600.03719.07
5.4.240.4170.02719.15
5.4.230.0100.04019.14
5.4.220.3700.04019.13
5.4.210.3570.04319.02
5.4.200.4000.03719.05
5.4.190.4800.04018.91
5.4.180.3530.04018.87
5.4.170.3670.03719.23
5.4.160.3970.03719.15
5.4.150.3600.04319.21
5.4.140.3670.03716.40
5.4.130.3800.03316.43
5.4.120.4030.03016.13
5.4.110.3800.03316.14
5.4.100.3830.04016.35
5.4.90.3970.02716.43
5.4.80.4430.03716.30
5.4.70.4330.03316.55
5.4.60.4570.03716.36
5.4.50.4500.03016.36
5.4.40.4330.03716.33
5.4.30.3900.03316.36
5.4.20.3930.03316.39
5.4.10.4330.03716.32
5.4.00.3730.03315.82
5.3.290.3370.03714.58
5.3.280.0030.08014.52
5.3.270.3930.04014.48
5.3.260.4230.04314.48
5.3.250.3800.04014.57
5.3.240.3730.03714.54
5.3.230.3500.04014.49
5.3.220.3900.03014.46
5.3.210.3930.04014.50
5.3.200.4000.04014.53
5.3.190.3500.03714.35
5.3.180.4400.04314.50
5.3.170.4700.03714.38
5.3.160.4230.03714.35
5.3.150.4530.04314.50
5.3.140.3830.03314.53
5.3.130.3530.04014.43
5.3.120.4030.04014.45
5.3.110.4070.03714.63
5.3.100.4170.04013.99
5.3.90.3900.03713.99
5.3.80.3630.03313.80
5.3.70.3500.04313.94
5.3.60.4000.04313.94
5.3.50.3770.03713.91
5.3.40.3830.03713.87
5.3.30.3370.04013.85
5.3.20.3770.04313.62
5.3.10.4370.03313.61
5.3.00.4300.03313.60
5.2.170.3270.03011.22
5.2.160.3270.03311.07
5.2.150.3030.03011.15
5.2.140.3070.02711.08
5.2.130.3000.03011.03
5.2.120.3900.03011.07
5.2.110.3630.02711.25
5.2.100.3700.02311.09
5.2.90.3900.03011.11
5.2.80.3330.02311.25
5.2.70.3830.03011.17
5.2.60.3400.02711.02
5.2.50.3870.03010.90
5.2.40.3970.03311.01
5.2.30.3270.03310.97
5.2.20.2630.03010.88
5.2.10.3230.03310.85
5.2.00.2730.02710.74
5.1.60.2670.02310.00
5.1.50.2330.0279.96
5.1.40.2370.0309.99
5.1.30.2570.03010.48
5.1.20.2870.03310.35
5.1.10.2430.02310.07
5.1.00.2700.02010.05
5.0.50.1530.0239.27
5.0.40.1730.0179.27
5.0.30.1430.0309.27
5.0.20.1630.0209.27
5.0.10.1400.0239.27
5.0.00.1130.0339.27
4.4.90.1630.0139.27
4.4.80.1430.0179.27
4.4.70.1700.0179.27
4.4.60.1430.0179.27
4.4.50.1700.0179.27
4.4.40.1200.0279.27
4.4.30.1500.0139.27
4.4.20.1400.0179.27
4.4.10.1370.0179.27
4.4.00.1500.0239.27
4.3.110.1300.0139.27
4.3.100.1500.0209.27
4.3.90.1430.0209.27
4.3.80.1500.0279.27
4.3.70.1200.0139.27
4.3.60.0870.0209.27
4.3.50.1430.0179.27
4.3.40.1400.0279.27
4.3.30.0800.0239.27
4.3.20.0770.0239.27
4.3.10.0700.0179.27
4.3.00.0830.0239.27

preferences:
42.15 ms | 401 KiB | 5 Q