3v4l.org

run code in 300+ PHP versions simultaneously
<?php if(!defined('JSON_FORCE_OBJECT')) { echo 'unsupported version'; return; } $j0 = defined('JSON_PRETTY_PRINT') ? JSON_PRETTY_PRINT : 0; $j1 = $j0 | JSON_FORCE_OBJECT; foreach( array( array() ) as $i) { echo json_encode($i, $j0); }

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)
8.3.60.0070.00716.50
8.3.50.0040.01119.77
8.3.40.0040.01118.68
8.3.30.0040.01119.09
8.3.20.0070.00020.34
8.3.10.0040.00423.66
8.3.00.0040.00417.59
8.2.180.0070.00716.75
8.2.170.0180.00322.96
8.2.160.0030.01020.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0140.00326.16
8.2.120.0040.00421.08
8.2.110.0140.00420.49
8.2.100.0080.00317.78
8.2.90.0040.00417.97
8.2.80.0030.00619.34
8.2.70.0050.00318.03
8.2.60.0050.00217.80
8.2.50.0040.00418.10
8.2.40.0000.00720.57
8.2.30.0070.00018.11
8.2.20.0000.00817.74
8.2.10.0040.00417.97
8.2.00.0040.00417.82
8.1.280.0090.00625.92
8.1.270.0000.00923.75
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00622.37
8.1.230.0030.00722.68
8.1.220.0050.00317.74
8.1.210.0000.00818.79
8.1.200.0070.00317.35
8.1.190.0060.00317.23
8.1.180.0030.00618.10
8.1.170.0060.00318.53
8.1.160.0070.00022.05
8.1.150.0040.00418.79
8.1.140.0070.00017.36
8.1.130.0030.00317.78
8.1.120.0030.00317.35
8.1.110.0090.00017.43
8.1.100.0000.00717.42
8.1.90.0040.00417.49
8.1.80.0000.00817.34
8.1.70.0000.00717.34
8.1.60.0000.00817.49
8.1.50.0050.00317.52
8.1.40.0000.00717.41
8.1.30.0000.00817.57
8.1.20.0020.00517.67
8.1.10.0000.00717.43
8.1.00.0030.00617.58
8.0.300.0040.00421.89
8.0.290.0090.00016.75
8.0.280.0000.00718.38
8.0.270.0000.00717.25
8.0.260.0040.00417.10
8.0.250.0070.00016.91
8.0.240.0040.00716.88
8.0.230.0070.00017.03
8.0.220.0000.00616.97
8.0.210.0070.00017.04
8.0.200.0030.00317.05
8.0.190.0000.00716.89
8.0.180.0030.00316.89
8.0.170.0030.00517.01
8.0.160.0080.00017.00
8.0.150.0030.00316.90
8.0.140.0040.00416.79
8.0.130.0000.00713.38
8.0.120.0040.00416.84
8.0.110.0000.00816.95
8.0.100.0000.00716.94
8.0.90.0030.00316.79
8.0.80.0090.00616.90
8.0.70.0040.00416.84
8.0.60.0040.00417.02
8.0.50.0040.00417.01
8.0.30.0100.01316.98
8.0.20.0100.01417.40
8.0.10.0040.00416.97
8.0.00.0100.01016.79
7.4.330.0030.00315.00
7.4.320.0000.00716.52
7.4.300.0040.00416.40
7.4.290.0000.00716.46
7.4.280.0000.00816.39
7.4.270.0000.00716.63
7.4.260.0000.00716.38
7.4.250.0030.00316.60
7.4.240.0070.00016.53
7.4.230.0030.00316.44
7.4.220.0100.01316.64
7.4.210.0150.00616.57
7.4.200.0000.00816.57
7.4.160.0100.00716.42
7.4.150.0120.00817.40
7.4.140.0090.00917.86
7.4.130.0100.00716.56
7.4.120.0150.00316.46
7.4.110.0130.00316.60
7.4.100.0090.00616.36
7.4.90.0070.01116.51
7.4.80.0060.01419.39
7.4.70.0000.01616.50
7.4.60.0070.01716.59
7.4.50.0000.00416.38
7.4.40.0060.01216.56
7.4.30.0000.01616.57
7.4.00.0080.00414.90
7.3.330.0050.00013.05
7.3.320.0030.00313.16
7.3.310.0000.00616.35
7.3.300.0020.00516.32
7.3.290.0060.00616.37
7.3.280.0120.00616.35
7.3.270.0150.00817.40
7.3.260.0080.01516.28
7.3.250.0050.01216.32
7.3.240.0130.00316.33
7.3.230.0120.00816.39
7.3.210.0070.01016.59
7.3.200.0070.01019.39
7.3.190.0140.00716.57
7.3.180.0080.00816.57
7.3.170.0080.00816.66
7.3.160.0090.00616.31
7.2.330.0100.01016.79
7.2.320.0060.01216.77
7.2.310.0110.00616.74
7.2.300.0150.00716.67
7.2.290.0130.00316.45
7.2.60.0090.00316.83
7.2.00.0040.01119.32
7.1.200.0040.00715.26
7.1.100.0070.00317.71
7.1.70.0040.00417.20
7.1.60.0100.01319.40
7.1.50.0060.00616.56
7.1.00.0030.07722.31
7.0.200.0940.00315.03
7.0.140.0030.07021.97
7.0.90.0600.08319.86
7.0.80.0370.08719.96
7.0.70.0200.07319.93
7.0.60.0300.07720.07
7.0.50.0530.07720.36
7.0.40.0100.07720.15
7.0.30.0070.07719.96
7.0.20.0130.07020.11
7.0.10.0200.07020.04
7.0.00.0000.08720.08
5.6.280.0130.06321.09
5.6.240.0130.04320.53
5.6.230.0030.08320.63
5.6.220.0130.07020.68
5.6.210.0100.08020.65
5.6.200.0130.07020.94
5.6.190.0030.05021.04
5.6.180.0000.05321.13
5.6.170.0070.05021.13
5.6.160.0100.07720.96
5.6.150.0100.05021.16
5.6.140.0100.06021.05
5.6.130.0100.08021.02
5.6.120.0170.07321.02
5.6.110.0000.04720.95
5.6.100.0130.06721.03
5.6.90.0100.08321.06
5.6.80.0070.03720.40
5.6.70.0030.04720.48
5.6.60.0170.07020.39
5.6.50.0070.07320.34
5.6.40.0000.05320.44
5.6.30.0100.07320.43
5.6.20.0030.08020.41
5.6.10.0000.04720.40
5.6.00.0070.05720.50
5.5.380.0100.06320.51
5.5.370.0070.04320.46
5.5.360.0070.08320.55
5.5.350.0100.08020.33
5.5.340.0100.07720.64
5.5.330.0030.05320.86
5.5.320.0100.06720.84
5.5.310.0100.08020.82
5.5.300.0070.05320.83
5.5.290.0100.08720.77
5.5.280.0070.08020.86
5.5.270.0170.05320.90
5.5.260.0030.07720.85
5.5.250.0070.08020.49
5.5.240.0030.04720.27
5.5.230.0130.06020.27
5.5.220.0030.05720.22
5.5.210.0100.07720.28
5.5.200.0130.07020.23
5.5.190.0100.07320.22
5.5.180.0030.05020.26
5.5.160.0030.04320.23
5.5.150.0100.03320.10
5.5.140.0030.04720.17
5.5.130.0100.03320.03
5.5.120.0070.03720.07
5.5.110.0070.03720.20
5.5.100.0070.03720.08
5.5.90.0200.02320.11
5.5.80.0000.04319.93
5.5.70.0000.03720.04
5.5.60.0030.03720.06
5.5.50.0030.04320.07
5.5.40.0130.05019.92
5.5.30.0070.03320.05
5.5.20.0030.03320.02
5.5.10.0030.04320.07
5.5.00.0030.04020.03
5.4.450.0070.08319.45
5.4.440.0000.07319.38
5.4.430.0170.06719.12
5.4.420.0130.07319.37
5.4.410.0000.05019.24
5.4.400.0070.06018.95
5.4.390.0070.07318.97
5.4.380.0030.07318.81
5.4.370.0130.07019.07
5.4.360.0230.06319.02
5.4.350.0000.08019.23
5.4.340.0130.06719.14
5.4.320.0000.04718.92
5.4.310.0030.04018.90
5.4.300.0100.03719.14
5.4.290.0100.05719.05
5.4.280.0030.04018.96
5.4.270.0030.04319.12
5.4.260.0000.04719.10
5.4.250.0130.02719.04
5.4.240.0070.04019.05
5.4.230.0000.03318.77
5.4.220.0030.03719.02
5.4.210.0000.04018.77
5.4.200.0030.04018.97
5.4.190.0000.04019.14
5.4.180.0030.03719.06
5.4.170.0070.03019.06
5.4.160.0070.02718.79
5.4.150.0070.03319.21
5.4.140.0070.04316.28
5.4.130.0070.03716.23
5.4.120.0030.03716.27
5.4.110.0030.03716.49
5.4.100.0100.03016.42
5.4.90.0030.03716.45
5.4.80.0030.03716.29
5.4.70.0030.04716.40
5.4.60.0030.04316.18
5.4.50.0000.05016.30
5.4.40.0030.03316.43
5.4.30.0030.03716.39
5.4.20.0000.03716.30
5.4.10.0130.02716.18
5.4.00.0000.03715.76
5.3.290.0000.04014.66
5.3.280.0000.04014.41
5.3.270.0000.04014.56
5.3.260.0070.03314.61
5.3.250.0100.03014.45
5.3.240.0000.04014.61
5.3.230.0000.04014.55
5.3.220.0030.04314.40
5.3.210.0070.03314.55
5.3.200.0030.03714.38
5.3.190.0030.03714.57
5.3.180.0070.03714.52
5.3.170.0000.04014.52
5.3.160.0100.03014.54
5.3.150.0070.04314.41
5.3.140.0030.03714.55
5.3.130.0000.04014.54
5.3.120.0000.04014.52
5.3.110.0030.03714.41
5.3.100.0030.03714.02
5.3.90.0030.03713.97
5.3.80.0070.03714.00
5.3.70.0070.03314.01
5.3.60.0030.03713.97
5.3.50.0070.03313.89
5.3.40.0030.03313.94
5.3.30.0000.03713.89
5.3.20.0030.03313.68
5.3.10.0070.06013.51
5.3.00.0070.07313.54
5.2.170.0000.04011.13
5.2.160.0030.03011.19
5.2.150.0000.03010.93
5.2.140.0000.03310.98
5.2.130.0000.07011.09
5.2.120.0070.05711.09
5.2.110.0030.06311.04
5.2.100.0100.06011.12
5.2.90.0030.03711.17
5.2.80.0170.04311.11
5.2.70.0070.02711.12
5.2.60.0070.06010.89
5.2.50.0030.06311.01
5.2.40.0030.03311.01
5.2.30.0030.04310.89
5.2.20.0070.06010.92
5.2.10.0030.06310.77
5.2.00.0000.04010.66
5.1.60.0000.03010.04
5.1.50.0070.05010.04
5.1.40.0000.0439.96
5.1.30.0030.05710.40
5.1.20.0030.05710.37
5.1.10.0100.05310.11
5.1.00.0000.05710.09
5.0.50.0030.0538.62
5.0.40.0100.0208.50
5.0.30.0030.0678.21
5.0.20.0000.0478.18
5.0.10.0070.0208.20
5.0.00.0030.0378.18
4.4.90.0000.0176.98
4.4.80.0030.0306.98
4.4.70.0030.0276.98
4.4.60.0000.0306.98
4.4.50.0000.0376.98
4.4.40.0070.0436.98
4.4.30.0000.0376.98
4.4.20.0000.0336.98
4.4.10.0030.0336.98
4.4.00.0030.0506.98
4.3.110.0030.0376.98
4.3.100.0030.0336.98
4.3.90.0030.0336.98
4.3.80.0070.0536.98
4.3.70.0030.0176.98
4.3.60.0070.0306.98
4.3.50.0000.0376.98
4.3.40.0030.0306.98
4.3.30.0000.0376.98
4.3.20.0030.0376.98
4.3.10.0000.0376.98
4.3.00.0000.0376.98

preferences:
45.24 ms | 400 KiB | 5 Q