3v4l.org

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

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)
8.3.60.0110.00418.55
8.3.50.0090.00723.01
8.3.40.0140.00718.91
8.3.30.0140.00019.13
8.3.20.0040.00420.04
8.3.10.0040.00423.41
8.3.00.0060.00319.13
8.2.180.0090.00616.63
8.2.170.0100.00722.96
8.2.160.0080.00520.39
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0100.00326.16
8.2.120.0080.00021.09
8.2.110.0060.00320.59
8.2.100.0040.00717.97
8.2.90.0000.00819.57
8.2.80.0060.00319.14
8.2.70.0080.00018.03
8.2.60.0030.00517.93
8.2.50.0040.00418.10
8.2.40.0040.00420.45
8.2.30.0030.00320.67
8.2.20.0080.00017.75
8.2.10.0000.00818.12
8.2.00.0050.00217.80
8.1.280.0060.01025.92
8.1.270.0000.00923.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0070.00319.29
8.1.230.0040.00822.74
8.1.220.0000.00817.74
8.1.210.0040.00418.98
8.1.200.0090.00017.09
8.1.190.0050.00317.23
8.1.180.0000.00818.10
8.1.170.0000.00818.50
8.1.160.0040.00422.14
8.1.150.0040.00418.89
8.1.140.0070.00017.43
8.1.130.0000.00717.84
8.1.120.0000.00817.50
8.1.110.0050.00317.44
8.1.100.0030.00317.49
8.1.90.0000.00717.44
8.1.80.0040.00417.47
8.1.70.0000.00717.47
8.1.60.0050.00317.64
8.1.50.0000.00817.42
8.1.40.0040.00417.59
8.1.30.0000.00817.58
8.1.20.0020.00517.71
8.1.10.0000.00717.47
8.1.00.0040.00417.49
8.0.300.0000.00820.04
8.0.290.0050.00316.75
8.0.280.0070.00018.39
8.0.270.0000.00717.25
8.0.260.0000.00617.13
8.0.250.0000.00716.86
8.0.240.0030.00517.02
8.0.230.0000.00716.90
8.0.220.0000.00717.00
8.0.210.0030.00316.91
8.0.200.0030.00316.88
8.0.190.0080.00016.95
8.0.180.0000.00717.02
8.0.170.0070.00016.98
8.0.160.0040.00417.05
8.0.150.0070.00016.87
8.0.140.0030.00516.85
8.0.130.0030.00313.41
8.0.120.0040.00416.93
8.0.110.0070.00017.02
8.0.100.0000.00716.98
8.0.90.0000.00716.91
8.0.80.0000.01516.88
8.0.70.0080.00016.85
8.0.60.0070.00016.81
8.0.50.0040.00417.02
8.0.30.0110.00817.21
8.0.20.0080.01117.40
8.0.10.0080.00016.88
8.0.00.0070.01316.94
7.4.330.0030.00315.00
7.4.320.0030.00316.61
7.4.300.0030.00316.60
7.4.290.0000.00716.52
7.4.280.0040.00416.61
7.4.270.0070.00016.46
7.4.260.0030.00316.50
7.4.250.0000.00816.57
7.4.240.0050.00216.51
7.4.230.0030.00316.66
7.4.220.0090.01616.52
7.4.210.0120.00416.57
7.4.200.0000.00816.50
7.4.160.0150.00616.67
7.4.150.0120.00617.40
7.4.140.0120.00517.86
7.4.130.0090.00916.50
7.4.120.0090.00816.47
7.4.110.0160.00616.59
7.4.100.0070.01016.53
7.4.90.0150.00316.48
7.4.80.0030.01319.39
7.4.70.0070.01116.44
7.4.60.0140.00316.59
7.4.50.0050.00016.54
7.4.40.0070.01016.57
7.4.30.0000.01616.27
7.4.00.0000.01614.82
7.3.330.0000.00713.04
7.3.320.0000.00513.17
7.3.310.0030.00316.47
7.3.300.0070.00016.37
7.3.290.0120.00316.35
7.3.280.0080.00816.34
7.3.270.0070.01017.40
7.3.260.0130.01016.37
7.3.250.0100.00616.50
7.3.240.0060.01016.57
7.3.230.0100.00716.47
7.3.210.0100.00716.28
7.3.200.0090.01219.39
7.3.190.0080.00816.62
7.3.180.0060.00916.30
7.3.170.0090.00616.39
7.3.160.0100.01016.32
7.2.330.0060.01216.69
7.2.320.0020.01816.38
7.2.310.0060.01016.66
7.2.300.0090.00616.63
7.2.290.0030.01316.44
7.2.60.0100.00616.86
7.2.00.0060.00919.37
7.1.200.0120.00315.79
7.1.100.0080.00318.05
7.1.70.0040.01116.86
7.1.60.0150.00919.40
7.1.50.0000.01816.69
7.1.00.0100.07022.45
7.0.200.0940.00614.73
7.0.140.0000.07722.09
7.0.90.0530.08719.93
7.0.80.0530.03720.12
7.0.70.0470.05719.88
7.0.60.0500.07719.91
7.0.50.0500.05320.23
7.0.40.0130.06019.98
7.0.30.0030.06720.05
7.0.20.0030.05320.05
7.0.10.0130.07720.07
7.0.00.0200.06720.18
5.6.280.0000.07721.12
5.6.240.0070.07720.63
5.6.230.0070.08720.65
5.6.220.0100.05720.58
5.6.210.0100.07720.47
5.6.200.0200.07021.09
5.6.190.0070.08721.11
5.6.180.0100.03720.93
5.6.170.0070.05721.04
5.6.160.0130.05021.02
5.6.150.0030.07021.16
5.6.140.0070.06720.94
5.6.130.0070.04321.10
5.6.120.0100.04020.94
5.6.110.0100.05721.04
5.6.100.0100.07320.98
5.6.90.0070.08321.14
5.6.80.0070.08020.49
5.6.70.0100.04720.51
5.6.60.0170.02720.45
5.6.50.0070.06320.46
5.6.40.0100.04720.48
5.6.30.0000.06020.47
5.6.20.0030.04720.31
5.6.10.0170.06320.48
5.6.00.0130.06320.29
5.5.380.0070.04020.34
5.5.370.0070.08320.35
5.5.360.0130.07320.38
5.5.350.0100.07720.46
5.5.340.0130.07020.93
5.5.330.0030.07720.80
5.5.320.0130.07720.77
5.5.310.0030.07020.91
5.5.300.0070.08020.89
5.5.290.0100.06720.74
5.5.280.0030.08720.88
5.5.270.0230.06320.79
5.5.260.0100.05020.87
5.5.250.0070.05020.60
5.5.240.0070.07020.21
5.5.230.0070.04020.02
5.5.220.0200.06020.00
5.5.210.0070.03720.20
5.5.200.0100.07320.18
5.5.190.0070.03720.24
5.5.180.0100.04720.15
5.5.160.0070.05020.22
5.5.150.0100.06320.17
5.5.140.0000.05320.13
5.5.130.0030.08320.23
5.5.120.0030.08320.16
5.5.110.0100.07320.25
5.5.100.0100.07319.97
5.5.90.0100.06719.96
5.5.80.0000.04320.04
5.5.70.0070.08020.13
5.5.60.0070.03719.99
5.5.50.0070.03720.05
5.5.40.0070.03720.13
5.5.30.0070.03720.13
5.5.20.0030.04020.13
5.5.10.0070.03720.02
5.5.00.0070.03719.96
5.4.450.0200.05719.36
5.4.440.0070.05719.27
5.4.430.0030.04719.16
5.4.420.0030.08019.46
5.4.410.0100.07319.24
5.4.400.0100.05319.24
5.4.390.0070.04318.95
5.4.380.0000.04018.96
5.4.370.0000.04319.09
5.4.360.0100.06719.11
5.4.350.0070.07719.23
5.4.340.0070.04319.14
5.4.320.0100.04718.95
5.4.310.0030.04718.95
5.4.300.0000.06319.22
5.4.290.0000.06019.09
5.4.280.0130.06719.05
5.4.270.0200.07019.05
5.4.260.0100.07319.11
5.4.250.0070.06718.93
5.4.240.0030.06019.22
5.4.230.0000.04019.22
5.4.220.0070.03718.94
5.4.210.0000.04719.22
5.4.200.0000.04018.77
5.4.190.0100.03319.10
5.4.180.0070.03318.79
5.4.170.0030.03719.16
5.4.160.0000.06318.95
5.4.150.0030.03719.02
5.4.140.0070.03316.29
5.4.130.0000.03716.02
5.4.120.0030.04016.27
5.4.110.0030.03716.30
5.4.100.0070.03316.30
5.4.90.0000.03716.34
5.4.80.0000.04316.34
5.4.70.0000.04016.22
5.4.60.0030.03316.19
5.4.50.0000.03716.20
5.4.40.0030.03716.36
5.4.30.0070.03016.27
5.4.20.0000.03716.41
5.4.10.0000.04016.41
5.4.00.0130.03015.77
5.3.290.0170.06714.53
5.3.280.0070.03314.53
5.3.270.0070.05714.58
5.3.260.0000.04314.60
5.3.250.0070.03714.46
5.3.240.0000.04014.56
5.3.230.0030.07314.41
5.3.220.0000.04014.47
5.3.210.0070.03314.54
5.3.200.0070.03314.54
5.3.190.0000.04314.43
5.3.180.0030.03314.50
5.3.170.0000.04014.55
5.3.160.0030.03714.42
5.3.150.0000.04014.42
5.3.140.0000.04014.38
5.3.130.0030.03714.48
5.3.120.0030.04014.54
5.3.110.0000.03714.49
5.3.100.0070.03313.89
5.3.90.0100.03713.85
5.3.80.0000.04013.97
5.3.70.0030.03713.87
5.3.60.0000.03713.86
5.3.50.0100.02713.80
5.3.40.0000.04713.73
5.3.30.0000.03713.77
5.3.20.0000.03713.63
5.3.10.0000.03713.63
5.3.00.0000.03313.62
5.2.170.0030.02311.62
5.2.160.0000.02711.62
5.2.150.0070.02311.62
5.2.140.0030.03011.62
5.2.130.0000.04711.62
5.2.120.0000.03011.62
5.2.110.0000.03011.62
5.2.100.0030.03711.62
5.2.90.0070.02311.62
5.2.80.0030.02711.62
5.2.70.0070.06011.62
5.2.60.0000.04011.62
5.2.50.0030.04711.62
5.2.40.0030.02311.62
5.2.30.0000.03311.62
5.2.20.0030.06711.62
5.2.10.0000.03011.62
5.2.00.0030.02711.62
5.1.60.0030.02311.62
5.1.50.0000.03011.62
5.1.40.0000.04311.62
5.1.30.0000.06011.62
5.1.20.0070.04711.62
5.1.10.0100.01711.62
5.1.00.0030.02711.62
5.0.50.0000.02311.62
5.0.40.0100.02711.62
5.0.30.0130.04711.62
5.0.20.0070.03711.62
5.0.10.0100.04011.62
5.0.00.0030.06711.62
4.4.90.0030.01711.62
4.4.80.0030.03311.62
4.4.70.0030.02711.62
4.4.60.0030.02011.62
4.4.50.0030.01311.62
4.4.40.0000.02311.62
4.4.30.0030.03711.62
4.4.20.0000.02711.62
4.4.10.0000.01711.62
4.4.00.0000.05711.62
4.3.110.0030.03311.62
4.3.100.0000.04311.62
4.3.90.0000.02011.62
4.3.80.0000.04011.62
4.3.70.0000.02311.62
4.3.60.0000.02011.62
4.3.50.0000.03311.62
4.3.40.0000.02711.62
4.3.30.0030.03011.62
4.3.20.0000.03711.62
4.3.10.0000.02311.62
4.3.00.0030.03011.62

preferences:
51.33 ms | 400 KiB | 5 Q