3v4l.org

run code in 300+ PHP versions simultaneously
<?php /*$array = array('data' => array('subject' => 'fdf', 'content' => '123')); var_dump(json_encode($array));*/ echo '123'; ?>

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)
8.3.60.0150.00316.50
8.3.50.0110.00921.13
8.3.40.0040.01118.53
8.3.30.0070.00718.37
8.3.20.0140.00020.16
8.3.10.0040.00423.65
8.3.00.0040.00423.65
8.2.180.0140.00418.30
8.2.170.0070.00722.96
8.2.160.0140.00021.88
8.2.150.0050.00324.18
8.2.140.0000.00924.66
8.2.130.0080.00026.16
8.2.120.0030.00617.50
8.2.110.0150.00619.13
8.2.100.0090.00317.48
8.2.90.0070.00019.17
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0090.00017.68
8.2.50.0080.00318.07
8.2.40.0030.00520.80
8.2.30.0060.00319.63
8.2.20.0040.00417.62
8.2.10.0000.00817.97
8.2.00.0040.00417.91
8.1.280.0150.00325.92
8.1.270.0090.00020.14
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.01223.84
8.1.230.0040.00817.66
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0060.00317.11
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0040.00418.45
8.1.160.0040.00421.81
8.1.150.0000.00718.76
8.1.140.0040.00417.18
8.1.130.0000.00817.54
8.1.120.0030.00317.32
8.1.110.0040.00417.25
8.1.100.0040.00417.22
8.1.90.0030.00317.26
8.1.80.0040.00417.20
8.1.70.0000.00717.22
8.1.60.0070.00017.45
8.1.50.0030.00617.28
8.1.40.0060.00317.29
8.1.30.0040.00417.42
8.1.20.0000.00717.45
8.1.10.0030.00517.45
8.1.00.0080.00017.36
8.0.300.0070.00018.77
8.0.290.0000.00716.63
8.0.280.0030.00318.36
8.0.270.0080.00017.09
8.0.260.0030.00317.18
8.0.250.0000.00716.66
8.0.240.0060.00016.86
8.0.230.0050.00316.84
8.0.220.0040.00416.75
8.0.210.0050.00216.76
8.0.200.0030.00316.68
8.0.190.0050.00516.79
8.0.180.0000.00716.80
8.0.170.0060.00316.84
8.0.160.0030.00316.77
8.0.150.0030.00316.70
8.0.140.0000.00716.68
8.0.130.0030.00313.18
8.0.120.0040.00416.74
8.0.110.0040.00416.77
8.0.100.0040.00416.61
8.0.90.0060.00316.57
8.0.80.0060.01016.77
8.0.70.0000.00716.59
8.0.60.0000.00716.57
8.0.50.0050.00316.71
8.0.30.0130.00517.06
8.0.20.0110.00817.40
8.0.10.0000.00716.81
8.0.00.0100.00816.66
7.4.330.0030.00315.21
7.4.320.0070.00016.38
7.4.300.0000.00616.50
7.4.290.0050.00216.38
7.4.280.0050.00316.29
7.4.270.0000.00616.51
7.4.260.0040.00416.33
7.4.250.0030.00316.31
7.4.240.0070.00016.50
7.4.230.0000.00716.16
7.4.220.0110.00716.35
7.4.210.0070.01116.33
7.4.200.0040.00416.24
7.4.160.0060.01816.35
7.4.150.0090.00917.40
7.4.140.0110.00817.86
7.4.130.0150.00416.38
7.4.120.0130.00616.33
7.4.110.0070.01016.20
7.4.100.0090.00916.39
7.4.90.0180.00416.55
7.4.80.0130.00519.39
7.4.70.0090.00916.39
7.4.60.0060.00916.16
7.4.50.0040.00416.15
7.4.40.0130.01016.33
7.4.30.0090.00916.32
7.4.00.0030.01114.90
7.3.330.0050.00013.02
7.3.320.0050.00012.93
7.3.310.0040.00416.20
7.3.300.0000.00616.02
7.3.290.0000.00716.03
7.3.280.0090.00916.11
7.3.270.0160.00017.40
7.3.260.0150.00316.46
7.3.250.0120.00716.23
7.3.240.0060.01016.24
7.3.230.0130.01016.39
7.3.210.0090.00916.21
7.3.200.0110.01316.26
7.3.190.0130.00316.15
7.3.180.0080.00816.32
7.3.170.0070.01416.50
7.3.160.0090.00916.55
7.2.330.0120.00916.43
7.2.320.0070.01116.55
7.2.310.0040.01416.44
7.2.300.0080.00816.44
7.2.290.0120.00616.17
7.2.60.0040.01116.61
7.2.00.0040.01419.29
7.1.200.0000.01315.83
7.1.100.0070.00717.75
7.1.70.0000.00716.99
7.1.60.0080.00417.12
7.1.50.0070.01816.82
7.1.00.0030.07722.47
7.0.200.0060.00316.63
7.0.60.0100.08019.89
7.0.50.0030.08717.80
7.0.40.0230.04720.23
7.0.30.0130.05020.01
7.0.20.0400.06020.20
7.0.10.0070.08020.04
7.0.00.0070.04720.09
5.6.280.0030.04720.90
5.6.210.0100.08720.47
5.6.200.0130.07718.16
5.6.190.0070.05320.63
5.6.180.0430.07020.33
5.6.170.0230.08320.42
5.6.160.0170.07020.46
5.6.150.0030.05718.11
5.6.140.0030.06018.22
5.6.130.0070.08318.10
5.6.120.0070.04721.11
5.6.110.0130.07020.97
5.6.100.0100.07020.95
5.6.90.0000.09321.09
5.6.80.0130.06720.48
5.5.350.0300.08020.36
5.5.340.0030.05017.97
5.5.330.0070.07320.23
5.5.320.0230.08020.29
5.5.310.0230.05020.24
5.5.300.0100.07717.91
5.5.290.0130.07718.00
5.5.280.0030.08720.87
5.5.270.0170.06320.61
5.5.260.0100.07720.83
5.5.250.0100.03320.71
5.5.240.0100.05320.15
5.4.450.0200.05319.14
5.4.440.0570.06019.48
5.4.430.0400.06319.11
5.4.420.0430.06319.62
5.4.410.0470.06718.98
5.4.400.0600.04719.25
5.4.390.0470.07319.19
5.4.380.0570.05319.22
5.4.370.0400.06319.22
5.4.360.0500.07019.22
5.4.350.0670.06018.95
5.4.340.0600.06719.11
5.4.320.0470.07019.31
5.4.310.0670.05319.24
5.4.300.0700.06319.14
5.4.290.0800.06319.16
5.4.280.0830.06719.11
5.4.270.0730.05019.22
5.4.260.0770.05019.19
5.4.250.0570.05319.11
5.4.240.0670.06018.78
5.4.230.0770.06318.91
5.4.220.0930.06019.10
5.4.210.0900.06719.18
5.4.200.0770.06316.61
5.4.190.0830.06319.07
5.4.180.0700.08018.94
5.4.170.0770.07719.08
5.4.160.0870.07319.07
5.4.150.0730.06319.05
5.4.140.0700.07716.25
5.4.130.0770.07016.39
5.4.120.0900.06316.35
5.4.110.0870.06016.22
5.4.100.0970.06716.25
5.4.90.0830.06016.29
5.4.80.0830.06016.23
5.4.70.0830.05016.47
5.4.60.0830.05016.17
5.4.50.0770.05016.15
5.4.40.0730.07316.23
5.4.30.0800.05016.28
5.4.20.0800.05716.43
5.4.10.0570.05316.24
5.4.00.0600.05015.72

preferences:
50.4 ms | 401 KiB | 5 Q