3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( json_encode( true, 0, -1 ) ); 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)
8.3.60.0100.01016.50
8.3.50.0230.00522.02
8.3.40.0110.00718.50
8.3.30.0030.01018.67
8.3.20.0040.00420.21
8.3.10.0050.00223.57
8.3.00.0030.00520.52
8.2.180.0070.01018.15
8.2.170.0140.00322.96
8.2.160.0070.01022.12
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00019.18
8.2.110.0030.00722.14
8.2.100.0040.00817.59
8.2.90.0000.00818.93
8.2.80.0040.00417.97
8.2.70.0040.00417.38
8.2.60.0080.00017.91
8.2.50.0030.00618.07
8.2.40.0040.00417.78
8.2.30.0040.00417.91
8.2.20.0020.00517.42
8.2.10.0070.00017.60
8.2.00.0070.00017.52
8.1.280.0070.00725.92
8.1.270.0050.00323.96
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00423.79
8.1.230.0000.01019.01
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.13
8.1.190.0030.00517.16
8.1.180.0000.00918.10
8.1.170.0040.00418.52
8.1.160.0040.00421.87
8.1.150.0000.00818.63
8.1.140.0040.00417.30
8.1.130.0070.00017.79
8.1.120.0050.00317.30
8.1.110.0000.00717.31
8.1.100.0000.00717.34
8.1.90.0050.00317.30
8.1.80.0040.00417.24
8.1.70.0080.00017.32
8.1.60.0030.00517.34
8.1.50.0000.00917.40
8.1.40.0030.00517.40
8.1.30.0080.00317.54
8.1.20.0040.00417.46
8.1.10.0070.00417.27
8.1.00.0080.00017.31
8.0.300.0080.00018.77
8.0.290.0040.00416.91
8.0.280.0050.00318.35
8.0.270.0030.00317.04
8.0.260.0040.00416.73
8.0.250.0030.00316.86
8.0.240.0000.00716.73
8.0.230.0040.00416.79
8.0.220.0000.00716.66
8.0.210.0000.00716.79
8.0.200.0040.00416.82
8.0.190.0000.00816.81
8.0.180.0040.00416.73
8.0.170.0000.00816.76
8.0.160.0050.00316.80
8.0.150.0070.00016.72
8.0.140.0030.00316.71
8.0.130.0000.00513.11
8.0.120.0040.00416.73
8.0.110.0040.00416.70
8.0.100.0000.00816.86
8.0.90.0040.00416.63
8.0.80.0080.00816.80
8.0.70.0040.00416.65
8.0.60.0000.00716.64
8.0.50.0050.00216.73
8.0.30.0160.00516.90
8.0.20.0030.01617.40
8.0.10.0000.00816.93
8.0.00.0070.01016.59
7.4.330.0000.00515.00
7.4.320.0000.00716.44
7.4.300.0030.00316.41
7.4.290.0070.00016.44
7.4.280.0020.00516.25
7.4.270.0030.00316.41
7.4.260.0030.00316.23
7.4.250.0000.00716.30
7.4.240.0050.00216.42
7.4.230.0000.00716.16
7.4.220.0090.00916.43
7.4.210.0090.00516.49
7.4.200.0070.00016.46
7.4.190.0000.00716.53
7.4.160.0110.00616.53
7.4.150.0080.00917.40
7.4.140.0120.00617.86
7.4.130.0110.01016.30
7.4.120.0090.00816.29
7.4.110.0140.00316.39
7.4.100.0080.01316.34
7.4.90.0030.01416.41
7.4.80.0100.01016.51
7.4.70.0100.00916.44
7.4.60.0090.00916.44
7.4.50.0000.00816.41
7.4.40.0070.01022.77
7.4.30.0120.00916.20
7.4.00.0000.01414.55
7.3.330.0050.00013.11
7.3.320.0020.00312.84
7.3.310.0030.00316.20
7.3.300.0030.00316.14
7.3.290.0130.00616.07
7.3.280.0120.00616.12
7.3.270.0060.01117.40
7.3.260.0180.00016.44
7.3.250.0130.00316.12
7.3.240.0090.00916.23
7.3.230.0160.00016.39
7.3.210.0110.00716.52
7.3.200.0090.00919.39
7.3.190.0000.01516.11
7.3.180.0060.00916.43
7.3.170.0160.00016.50
7.3.160.0090.00616.34
7.3.120.0070.00714.64
7.3.10.0140.00716.44
7.3.00.0080.00016.27
7.2.330.0070.01516.32
7.2.320.0090.00916.50
7.2.310.0090.01316.66
7.2.300.0120.00816.50
7.2.290.0060.00916.34
7.2.130.0060.00616.83
7.2.120.0080.00016.52
7.2.110.0070.00716.43
7.2.100.0060.00316.43
7.2.90.0000.01516.79
7.2.80.0060.00316.54
7.2.70.0070.00816.52
7.2.60.0110.01116.64
7.2.50.0060.00316.66
7.2.40.0070.00516.23
7.2.30.0130.00316.65
7.2.20.0100.00716.61
7.2.10.0060.00316.74
7.2.00.0020.01118.05
7.1.250.0060.00315.46
7.1.100.0870.00316.06
7.1.70.0050.00516.74
7.1.60.0120.00417.14
7.1.50.0000.02016.79
7.1.40.0040.00716.52
7.1.30.0060.00616.36
7.1.20.0060.00616.63
7.1.10.0030.00816.75
7.1.00.0000.00716.61
7.0.200.0030.00616.63
7.0.190.0060.00316.38
7.0.180.0020.00716.26
7.0.170.0000.00716.02
7.0.160.0070.00316.36
7.0.150.0050.00516.14
7.0.140.0030.00716.20
7.0.130.0080.00316.31
7.0.120.0100.00016.58
7.0.110.0000.00816.27
7.0.100.0000.00916.16
7.0.90.0000.00716.11
7.0.80.0000.00916.34
7.0.70.0040.00416.35
7.0.60.0030.00615.80
7.0.50.0130.00016.14
7.0.40.0110.00415.18
7.0.30.0050.00515.18
7.0.20.0000.00815.18
7.0.10.0020.00515.18
7.0.00.0030.00615.18
5.6.300.0030.04920.91
5.6.290.0090.04120.80
5.6.280.0000.04721.02
5.6.270.0000.04520.78
5.6.260.0140.03020.87
5.6.250.0060.04121.06
5.6.240.0030.04520.86
5.6.230.0100.03920.79
5.6.220.0000.04520.83
5.6.210.0070.03721.13
5.6.200.0070.04620.73
5.6.190.0060.04520.92
5.6.180.0070.04320.96
5.6.170.0070.04120.94
5.6.160.0070.03620.77
5.6.150.0030.04520.72
5.6.140.0030.04620.80
5.6.130.0000.04320.97
5.6.120.0090.03820.84
5.6.110.0000.04620.88
5.6.100.0060.04420.98
5.6.90.0030.04320.99
5.6.80.0000.04420.30
5.6.70.0070.03320.09
5.6.60.0070.03720.21
5.6.50.0000.04420.22
5.6.40.0030.04320.30
5.6.30.0070.03620.30
5.6.20.0030.04520.37
5.6.10.0070.04020.16
5.6.00.0030.05020.19
5.5.380.0030.04217.41
5.5.370.0000.04717.50
5.5.360.0100.03317.45
5.5.350.0040.04017.46
5.5.340.0100.03718.02
5.5.330.0000.06918.09
5.5.320.0070.03717.95
5.5.310.0100.03517.92
5.5.300.0030.04217.74
5.5.290.0070.04017.72
5.5.280.0030.04517.86
5.5.270.0040.04217.94
5.5.260.0100.03618.01
5.5.250.0000.05417.80
5.5.240.0030.04017.33
5.5.230.0000.04017.30
5.5.220.0060.03817.08
5.5.210.0000.04117.33
5.5.200.0030.04617.05
5.5.190.0070.03717.38
5.5.180.0030.04217.27
5.5.160.0000.03817.39
5.5.150.0000.04717.38
5.5.140.0000.04217.43
5.5.130.0030.03817.38
5.5.120.0000.04517.30
5.5.110.0140.03817.05
5.5.100.0030.03717.18
5.5.90.0030.03917.29
5.5.80.0070.04717.11
5.5.70.0070.03317.19
5.5.60.0030.04217.28
5.5.50.0040.03917.09
5.5.40.0070.03417.07
5.5.30.0100.03216.98
5.5.20.0060.03516.94
5.5.10.0000.04617.28
5.5.00.0000.04217.27
5.4.450.0030.04119.16
5.4.440.0000.04219.35
5.4.430.0040.04219.35
5.4.420.0030.03919.34
5.4.410.0100.04419.36
5.4.400.0040.03619.01
5.4.390.0030.04519.03
5.4.380.0130.02918.95
5.4.370.0030.03618.95
5.4.360.0030.03918.91
5.4.350.0000.04218.94
5.4.340.0060.03819.19
5.4.320.0090.03218.84
5.4.310.0000.04318.84
5.4.300.0140.04518.84
5.4.290.0030.04019.16
5.4.280.0000.04718.82
5.4.270.0070.06219.16
5.4.260.0030.03719.04
5.4.250.0210.03819.04
5.4.240.0070.03319.12
5.4.230.0030.03719.04
5.4.220.0100.03019.01
5.4.210.0000.04419.02
5.4.200.0070.03419.16
5.4.190.0100.03918.83
5.4.180.0070.05318.94
5.4.170.0070.05218.99
5.4.160.0000.04319.07
5.4.150.0030.03819.15
5.4.140.0030.03716.54
5.4.130.0070.03016.62
5.4.120.0030.03916.48
5.4.110.0030.05416.44
5.4.100.0000.04016.60
5.4.90.0070.03116.62
5.4.80.0030.03416.33
5.4.70.0030.03516.42
5.4.60.0030.03616.33
5.4.50.0060.03216.54
5.4.40.0000.03816.53
5.4.30.0030.03316.53
5.4.20.0070.03116.40
5.4.10.0030.03716.58
5.4.00.0040.03215.79
5.3.290.0100.03415.18
5.3.280.0000.04915.18
5.3.270.0100.03215.18
5.3.260.0000.04115.18
5.3.250.0090.03115.18
5.3.240.0070.05915.18
5.3.230.0030.03815.18
5.3.220.0000.04115.18
5.3.210.0030.03715.18
5.3.200.0030.03715.18
5.3.190.0000.03815.18
5.3.180.0060.03815.18
5.3.170.0000.04815.18
5.3.160.0000.04015.18
5.3.150.0030.04915.18
5.3.140.0040.03615.18
5.3.130.0100.03015.18
5.3.120.0030.03915.18
5.3.110.0060.03615.18
5.3.100.0000.03815.18
5.3.90.0000.05915.18
5.3.80.0040.03215.18
5.3.70.0030.04815.18
5.3.60.0000.03815.18
5.3.50.0100.02615.18
5.3.40.0000.04115.18
5.3.30.0030.03715.18
5.3.20.0060.03215.18
5.3.10.0030.03315.18
5.3.00.0130.04015.18
5.2.170.0000.03415.18
5.2.160.0060.02815.18
5.2.150.0130.03015.18
5.2.140.0000.03615.18
5.2.130.0040.02915.18
5.2.120.0030.02715.18
5.2.110.0060.02215.18
5.2.100.0000.03015.18
5.2.90.0030.03015.18
5.2.80.0030.03115.18
5.2.70.0000.03315.18
5.2.60.0000.03415.18
5.2.50.0000.03315.18
5.2.40.0040.02915.18
5.2.30.0060.02615.18
5.2.20.0000.02915.18
5.2.10.0030.02715.18
5.2.00.0030.02815.18
5.1.60.0060.02315.18
5.1.50.0000.02715.18
5.1.40.0030.02515.18
5.1.30.0060.02115.18
5.1.20.0030.02615.18
5.1.10.0000.04315.18
5.1.00.0060.02115.18
5.0.50.0030.02015.18
5.0.40.0030.02415.18
5.0.30.0030.03015.18
5.0.20.0000.02115.18
5.0.10.0030.01815.18
5.0.00.0000.03415.18
4.4.90.0000.01815.18
4.4.80.0030.01915.18
4.4.70.0030.01415.18
4.4.60.0030.03815.18
4.4.50.0000.01815.18
4.4.40.0030.02215.18
4.4.30.0030.01315.18
4.4.20.0000.01615.18
4.4.10.0030.03415.18
4.4.00.0060.01915.18
4.3.110.0090.00915.18
4.3.100.0000.01615.18
4.3.90.0000.01615.18
4.3.80.0000.02715.18
4.3.70.0000.03215.18
4.3.60.0060.01615.18
4.3.50.0000.01915.18
4.3.40.0070.02015.18
4.3.30.0000.01715.18
4.3.20.0030.01515.18
4.3.10.0000.01715.18
4.3.00.0030.01515.18

preferences:
53.9 ms | 400 KiB | 5 Q