3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($i=1; $i<100000; $i++) { json_encode($_SERVER); }

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)
8.3.60.0100.17318.43
8.3.50.0130.17122.04
8.3.40.0100.16318.73
8.3.30.0100.17119.10
8.3.20.0030.09020.38
8.3.10.0030.08522.09
8.3.00.0030.08922.36
8.2.180.0100.18816.38
8.2.170.0100.16222.96
8.2.160.0070.16020.68
8.2.150.0070.08424.18
8.2.140.0060.08424.66
8.2.130.0100.07926.16
8.2.120.0000.09019.38
8.2.110.0070.14522.12
8.2.100.0030.14917.78
8.2.90.0070.13119.22
8.2.80.0070.15917.97
8.2.70.0030.16017.25
8.2.60.0070.12817.80
8.2.50.0030.13718.07
8.2.40.0030.14218.21
8.2.30.0070.14218.02
8.2.20.0030.13617.70
8.2.10.0000.13417.73
8.2.00.0070.12717.69
8.1.280.0130.15025.92
8.1.270.0100.07923.82
8.1.260.0030.08526.35
8.1.250.0070.07728.09
8.1.240.0100.14223.92
8.1.230.0100.12118.96
8.1.220.0030.12817.74
8.1.210.0030.12818.77
8.1.200.0070.15917.35
8.1.190.0000.13517.53
8.1.180.0070.12518.10
8.1.170.0070.13918.53
8.1.160.0000.13022.07
8.1.150.0000.13318.54
8.1.140.0030.12717.44
8.1.130.0100.11817.76
8.1.120.0030.13917.46
8.1.110.0030.13317.45
8.1.100.0030.13217.36
8.1.90.0000.17417.42
8.1.80.0000.13017.43
8.1.70.0000.13017.38
8.1.60.0030.15017.57
8.1.50.0070.15217.46
8.1.40.0030.15117.42
8.1.30.0030.15417.55
8.1.20.0030.15317.68
8.1.10.0030.15217.41
8.1.00.0000.15417.42
8.0.300.0000.13718.77
8.0.290.0070.12617.18
8.0.280.0000.13218.43
8.0.270.0000.13917.25
8.0.260.0100.12516.87
8.0.250.0030.12916.95
8.0.240.0000.16816.92
8.0.230.0030.12616.93
8.0.220.0030.12616.79
8.0.210.0030.13116.75
8.0.200.0000.13416.81
8.0.190.0070.14916.97
8.0.180.0030.15816.96
8.0.170.0000.15916.87
8.0.160.0070.14716.79
8.0.150.0030.14916.84
8.0.140.0000.15516.74
8.0.130.0030.15113.35
8.0.120.0070.14816.80
8.0.110.0070.14716.87
8.0.100.0030.15316.86
8.0.90.0100.14416.92
8.0.80.0130.23116.94
8.0.70.0030.15116.71
8.0.60.0030.15516.89
8.0.50.0000.15816.88
8.0.30.0190.34717.08
8.0.20.0140.24417.40
8.0.10.0000.15517.00
8.0.00.0140.36916.68
7.4.330.0030.12715.08
7.4.320.0070.12216.50
7.4.300.0030.13116.41
7.4.290.0070.15116.51
7.4.280.0030.15316.54
7.4.270.0030.15216.57
7.4.260.0000.15716.56
7.4.250.0100.14816.53
7.4.240.0050.15116.52
7.4.230.0030.14916.61
7.4.220.0130.37916.43
7.4.210.0070.26016.58
7.4.200.0000.15716.48
7.4.190.0030.15316.31
7.4.160.0130.27116.41
7.4.150.0160.25517.40
7.4.140.0080.27817.86
7.4.130.0150.30416.45
7.4.120.0150.34716.44
7.4.110.0130.26016.58
7.4.100.0100.35916.46
7.4.90.0130.27116.43
7.4.80.0210.30816.36
7.4.70.0100.26616.56
7.4.60.0100.28016.36
7.4.50.0000.14016.24
7.4.40.0070.20122.77
7.4.30.0030.27416.44
7.4.00.0070.20414.81
7.3.330.0030.15413.10
7.3.320.0000.15613.14
7.3.310.0030.15416.11
7.3.300.0000.15816.28
7.3.290.0160.21816.20
7.3.280.0130.28616.22
7.3.270.0130.26017.40
7.3.260.0000.27216.42
7.3.250.0110.24316.55
7.3.240.0160.26816.56
7.3.230.0130.41916.39
7.3.210.0100.27516.31
7.3.200.0100.28919.39
7.3.190.0060.27816.50
7.3.180.0100.26616.52
7.3.170.0090.26216.49
7.3.160.0070.26516.66
7.3.120.0100.20415.00
7.2.330.0060.27516.38
7.2.320.0160.50216.35
7.2.310.0100.29016.55
7.2.300.0090.27516.49
7.2.290.0000.28716.65
7.2.00.0200.21519.15
7.1.100.0030.22618.00
7.1.70.0070.26617.16
7.1.60.0070.23619.82
7.1.50.0030.22916.80
7.1.00.0070.31722.56
7.0.200.0030.17716.76
7.0.140.0000.26322.11
7.0.90.0530.17019.85
7.0.80.0600.20719.89
7.0.70.0600.20019.98
7.0.60.0600.24019.88
7.0.50.0630.21320.40
7.0.40.0100.20720.03
7.0.30.0070.21720.00
7.0.20.0030.19720.15
7.0.10.0030.19720.04
7.0.00.0100.22020.10
5.6.280.0030.48721.09
5.6.240.0030.40320.69
5.6.230.0100.39720.65
5.6.220.0070.32720.61
5.6.210.0030.39020.46
5.6.200.0070.38721.03
5.6.190.0070.36020.93
5.6.180.0070.34720.98
5.6.170.0170.35021.04
5.6.160.0100.39320.93
5.6.150.0100.38721.08
5.6.140.0100.38721.02
5.6.130.0170.38321.05
5.6.120.0100.40021.11
5.6.110.0070.39320.94
5.6.100.0070.39021.03
5.6.90.0030.39321.07
5.6.80.0070.39020.32
5.6.70.0100.38320.39
5.6.60.0070.32720.39
5.6.50.0100.42720.51
5.6.40.0030.40020.52
5.6.30.0100.39720.30
5.6.20.0030.37320.37
5.6.10.0000.35720.43
5.6.00.0070.38020.44
5.5.380.0170.37720.49
5.5.370.0000.36020.54
5.5.360.0100.39720.48
5.5.350.0070.37020.46
5.5.340.0000.40020.82
5.5.330.0130.44020.90
5.5.320.0100.37320.87
5.5.310.0070.37720.63
5.5.300.0000.33320.88
5.5.290.0070.40720.84
5.5.280.0130.36020.79
5.5.270.0030.41320.71
5.5.260.0070.35020.89
5.5.250.0070.38020.69
5.5.240.0070.30720.18
5.5.230.0170.37720.23
5.5.220.0100.38020.01
5.5.210.0070.44020.16
5.5.200.0070.37720.13
5.5.190.0100.37720.13
5.5.180.0070.38720.12
5.5.160.0070.34320.07
5.5.150.0070.38020.20
5.5.140.0070.43020.17
5.5.130.0030.34020.17
5.5.120.0130.39319.96
5.5.110.0100.38020.27
5.5.100.0070.32720.17
5.5.90.0130.40020.16
5.5.80.0100.38720.14
5.5.70.0070.36320.05
5.5.60.0070.34020.04
5.5.50.0030.36720.13
5.5.40.0070.42320.02
5.5.30.0000.33720.12
5.5.20.0070.33019.99
5.5.10.0000.30320.09
5.5.00.0030.35320.11
5.4.450.0070.34719.11
5.4.440.0070.37319.44
5.4.430.0100.41019.46
5.4.420.0130.41019.34
5.4.410.0100.37319.22
5.4.400.0070.41319.05
5.4.390.0000.34018.96
5.4.380.0070.39718.98
5.4.370.0130.34019.06
5.4.360.0100.37018.96
5.4.350.0100.38718.98
5.4.340.0000.38018.98
5.4.320.0100.37318.96
5.4.310.0070.41319.14
5.4.300.0070.39718.94
5.4.290.0070.33319.02
5.4.280.0100.34319.23
5.4.270.0030.32719.05
5.4.260.0070.33719.14
5.4.250.0100.32318.88
5.4.240.0000.34719.09
5.4.230.0070.38319.02
5.4.220.0070.34719.06
5.4.210.0070.32719.02
5.4.200.0130.43018.97
5.4.190.0030.42318.77
5.4.180.0030.32719.02
5.4.170.0070.38718.93
5.4.160.0070.28319.03
5.4.150.0000.29719.07
5.4.140.0000.36016.32
5.4.130.0100.31716.31
5.4.120.0000.33016.31
5.4.110.0030.36716.36
5.4.100.0030.36016.44
5.4.90.0030.39016.24
5.4.80.0030.38316.25
5.4.70.0070.42316.31
5.4.60.0000.48016.30
5.4.50.0000.33716.18
5.4.40.0130.41316.43
5.4.30.0030.37316.23
5.4.20.0070.37016.34
5.4.10.0000.43016.43
5.4.00.0070.49315.46
5.3.290.0170.32714.52
5.3.280.0070.27314.55
5.3.270.0200.23314.59
5.3.260.0030.27014.59
5.3.250.0030.26014.46
5.3.240.0030.27014.59
5.3.230.0030.26714.55
5.3.220.0030.23314.47
5.3.210.0030.23314.55
5.3.200.0100.31314.42
5.3.190.0030.28714.54
5.3.180.0030.24314.42
5.3.170.0070.34014.52
5.3.160.0330.24014.49
5.3.150.0030.34314.52
5.3.140.0070.32314.50
5.3.130.0070.32314.54
5.3.120.0070.29314.53
5.3.110.0030.26714.40
5.3.100.0130.29314.03
5.3.90.0030.36013.99
5.3.80.0030.33313.77
5.3.70.0000.26013.87
5.3.60.0070.33713.77
5.3.50.0030.25713.94
5.3.40.0030.31013.70
5.3.30.0030.28013.68
5.3.20.0100.28313.69
5.3.10.0070.31713.65
5.3.00.0070.29013.61
5.2.170.0100.32311.12
5.2.160.0070.33311.10
5.2.150.0030.25011.18
5.2.140.0030.28311.09
5.2.130.0000.27311.09
5.2.120.0130.29311.15
5.2.110.0030.34311.09
5.2.100.0000.30311.09
5.2.90.0000.24311.09
5.2.80.0030.30711.13
5.2.70.0130.31711.11
5.2.60.0030.31311.04
5.2.50.0070.36311.02
5.2.40.0100.36310.94
5.2.30.0000.26710.79
5.2.20.0100.24310.88
5.2.10.0070.28310.88
5.2.00.0000.18310.61
5.1.60.0000.03710.02
5.1.50.0030.0209.99
5.1.40.0030.03710.02
5.1.30.0000.02310.40
5.1.20.0000.02310.42
5.1.10.0030.0279.94
5.1.00.0100.03310.07
5.0.50.0070.0338.53
5.0.40.0030.0338.43
5.0.30.0030.0308.20
5.0.20.0030.0438.24
5.0.10.0030.0308.24
5.0.00.0030.0408.14
4.4.90.0030.0277.15
4.4.80.0000.0177.15
4.4.70.0070.0307.15
4.4.60.0000.0337.15
4.4.50.0030.0137.15
4.4.40.0000.0577.15
4.4.30.0030.0407.15
4.4.20.0030.0277.15
4.4.10.0000.0177.15
4.4.00.0000.0437.15
4.3.110.0000.0237.15
4.3.100.0000.0337.15
4.3.90.0000.0277.15
4.3.80.0000.0537.15
4.3.70.0030.0307.15
4.3.60.0070.0137.15
4.3.50.0000.0377.15
4.3.40.0070.0477.15
4.3.30.0000.0307.15
4.3.20.0000.0337.15
4.3.10.0030.0307.15
4.3.00.0030.0337.15

preferences:
44.99 ms | 401 KiB | 5 Q