3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo json_encode(array('abc' => 123, 'qwerty' => 'zxc'), JSON_PRETTY_PRINT);

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)
8.3.40.0030.01718.72
8.3.30.0100.00720.12
8.3.20.0040.00420.25
8.3.10.0070.00021.95
8.3.00.0000.00822.57
8.2.170.0120.00322.96
8.2.160.0070.00720.39
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0120.00626.16
8.2.120.0050.00319.54
8.2.110.0040.00422.08
8.2.100.0040.00819.21
8.2.90.0030.00619.27
8.2.80.0000.00819.41
8.2.70.0050.00317.63
8.2.60.0040.00417.68
8.2.50.0000.00818.07
8.2.40.0050.00319.82
8.2.30.0000.00717.92
8.2.20.0080.00017.63
8.2.10.0040.00417.61
8.2.00.0040.00417.45
8.1.270.0060.00920.29
8.1.260.0140.00426.35
8.1.250.0140.00328.09
8.1.240.0070.00318.74
8.1.230.0040.00719.17
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0060.00317.00
8.1.190.0000.00817.16
8.1.180.0070.00020.08
8.1.170.0000.00818.47
8.1.160.0040.00421.98
8.1.150.0080.00018.55
8.1.140.0040.00417.21
8.1.130.0000.00717.62
8.1.120.0050.00317.23
8.1.110.0070.00317.28
8.1.100.0030.00317.31
8.1.90.0030.00317.30
8.1.80.0070.00017.27
8.1.70.0030.00317.33
8.1.60.0000.00817.45
8.1.50.0100.00017.41
8.1.40.0030.00617.39
8.1.30.0000.01017.36
8.1.20.0030.00617.46
8.1.10.0040.00417.47
8.1.00.0040.00417.40
8.0.300.0040.00418.77
8.0.290.0070.00017.05
8.0.280.0000.00718.28
8.0.270.0000.00717.16
8.0.260.0030.00316.68
8.0.250.0030.00316.75
8.0.240.0030.00516.77
8.0.230.0000.00716.73
8.0.220.0000.00716.64
8.0.210.0040.00416.75
8.0.200.0030.00316.69
8.0.190.0040.00416.68
8.0.180.0000.00816.76
8.0.170.0000.00716.78
8.0.160.0000.00716.63
8.0.150.0000.00816.75
8.0.140.0000.01016.73
8.0.130.0030.00313.27
8.0.120.0020.00516.72
8.0.110.0080.00016.66
8.0.100.0000.00716.69
8.0.90.0040.00416.70
8.0.80.0090.00616.69
8.0.70.0040.00416.72
8.0.60.0040.00416.81
8.0.50.0050.00216.79
8.0.30.0070.01116.90
8.0.20.0050.01317.40
8.0.10.0000.00716.91
8.0.00.0120.00716.68
7.4.330.0020.00215.00
7.4.320.0030.00316.36
7.4.300.0000.00616.27
7.4.290.0080.00016.46
7.4.280.0050.00316.27
7.4.270.0030.00316.37
7.4.260.0030.00316.36
7.4.250.0000.00816.33
7.4.240.0020.00516.42
7.4.230.0000.00716.16
7.4.220.0060.01216.46
7.4.210.0090.00616.36
7.4.200.0040.00416.21
7.4.190.0040.00416.50
7.4.160.0150.00316.26
7.4.150.0070.01117.40
7.4.140.0080.01117.86
7.4.130.0070.01016.53
7.4.120.0040.01316.18
7.4.110.0100.01316.33
7.4.100.0070.01016.41
7.4.90.0070.01116.50
7.4.80.0130.00719.39
7.4.70.0080.01016.22
7.4.60.0120.00316.34
7.4.50.0060.00316.49
7.4.40.0100.00622.77
7.4.30.0040.01216.55
7.4.00.0130.00314.87
7.3.330.0020.00212.88
7.3.320.0030.00312.86
7.3.310.0040.00416.13
7.3.300.0030.00316.14
7.3.290.0130.00616.07
7.3.280.0090.01016.20
7.3.270.0080.00917.40
7.3.260.0140.00915.95
7.3.250.0120.00816.34
7.3.240.0060.01216.08
7.3.230.0120.00616.41
7.3.210.0090.00916.36
7.3.200.0100.01319.39
7.3.190.0060.01616.59
7.3.180.0080.00816.43
7.3.170.0000.01516.38
7.3.160.0080.00816.37
7.3.120.0070.00714.49
7.2.330.0070.01516.55
7.2.320.0070.01016.37
7.2.310.0060.01516.32
7.2.300.0120.00916.41
7.2.290.0070.01016.28
7.2.60.0070.00716.77
7.2.00.0000.01019.20
7.1.200.0120.00315.13
7.1.100.0120.00617.51
7.1.70.0000.00716.74
7.1.60.0110.01419.50
7.1.50.0100.01016.50
7.1.00.0000.05322.32
7.0.200.0000.00716.82
7.0.140.0070.07022.00
7.0.90.0100.06319.88
7.0.80.0100.06019.86
7.0.70.0070.08319.90
7.0.60.0070.05019.93
7.0.50.0370.06320.26
7.0.40.0130.07320.18
7.0.30.0070.08320.11
7.0.20.0100.07720.15
7.0.10.0030.06020.04
7.0.00.0030.04319.95
5.6.280.0030.07320.91
5.6.230.0070.07320.68
5.6.220.0130.07320.73
5.6.210.0100.05720.76
5.6.200.0070.09021.17
5.6.190.0170.04721.10
5.6.180.0130.07321.06
5.6.170.0030.08721.01
5.6.160.0100.05321.00
5.6.150.0000.04721.09
5.6.140.0030.04321.03
5.6.130.0100.07321.10
5.6.120.0100.07721.00
5.6.110.0100.07021.06
5.6.100.0130.08321.01
5.6.90.0070.07021.02
5.6.80.0030.07720.39
5.6.70.0100.07720.39
5.6.60.0000.04320.39
5.6.50.0030.08020.39
5.6.40.0000.06720.41
5.6.30.0070.08020.36
5.6.20.0030.07720.39
5.6.10.0130.06320.45
5.6.00.0030.08320.41
5.5.370.0000.05320.36
5.5.360.0100.08020.37
5.5.350.0030.04720.41
5.5.340.0100.07720.90
5.5.330.0030.06320.92
5.5.320.0030.08320.87
5.5.310.0070.05720.91
5.5.300.0100.07720.86
5.5.290.0070.06720.75
5.5.280.0070.04320.75
5.5.270.0200.07020.91
5.5.260.0170.05320.88
5.5.250.0030.07720.67
5.5.240.0070.08020.23
5.5.230.0130.06720.23
5.5.220.0070.08020.23
5.5.210.0030.04020.14
5.5.200.0130.07020.27
5.5.190.0000.06019.98
5.5.180.0170.07320.24
5.5.160.0130.04720.22
5.5.150.0070.08320.20
5.5.140.0030.04720.14
5.5.130.0100.07720.20
5.5.120.0030.04720.27
5.5.110.0130.03720.23
5.5.100.0030.05720.06
5.5.90.0100.05020.14
5.5.80.0100.04020.09
5.5.70.0030.06020.05
5.5.60.0070.05320.05
5.5.50.0000.04320.05
5.5.40.0030.04320.03
5.5.30.0070.07020.13
5.5.20.0170.07020.06
5.5.10.0100.07320.13
5.5.00.0070.04320.07
5.4.450.0100.05719.44
5.4.440.0000.05319.27
5.4.430.0130.07319.34
5.4.420.0170.07319.29
5.4.410.0030.05019.14
5.4.400.0130.04019.03
5.4.390.0130.04019.04
5.4.380.0070.05318.98
5.4.370.0130.08319.04
5.4.360.0070.06319.23
5.4.350.0130.07719.13
5.4.340.0170.06719.14
5.4.320.0230.03319.03
5.4.310.0170.06019.03
5.4.300.0230.06019.11
5.4.290.0130.03319.02
5.4.280.0030.08019.05
5.4.270.0070.04019.03
5.4.260.0100.04018.98
5.4.250.0100.06319.11
5.4.240.0070.04019.22
5.4.230.0170.03319.04
5.4.220.0030.04718.89
5.4.210.0070.04319.04
5.4.200.0170.06318.80
5.4.190.0100.05719.09
5.4.180.0070.05018.95
5.4.170.0100.07019.05
5.4.160.0030.04718.76
5.4.150.0030.04318.96
5.4.140.0070.06716.22
5.4.130.0030.06016.31
5.4.120.0070.06716.23
5.4.110.0130.06716.25
5.4.100.0030.04316.41
5.4.90.0070.07016.21
5.4.80.0170.05316.34
5.4.70.0030.07316.19
5.4.60.0100.03716.36
5.4.50.0030.06016.28
5.4.40.0000.07316.41
5.4.30.0100.05716.41
5.4.20.0070.07016.22
5.4.10.0070.04316.38
5.4.00.0100.04315.68
5.3.290.0030.08014.49
5.3.280.0100.04014.45
5.3.270.0100.07014.61
5.3.260.0030.06314.55
5.3.250.0070.04714.61
5.3.240.0030.04014.58
5.3.230.0200.06014.55
5.3.220.0100.05314.43
5.3.210.0070.06314.52
5.3.200.0070.05014.50
5.3.190.0100.07014.47
5.3.180.0030.04314.39
5.3.170.0030.06314.42
5.3.160.0030.07014.51
5.3.150.0070.07014.54
5.3.140.0070.04014.50
5.3.130.0100.07314.45
5.3.120.0030.08014.45
5.3.110.0070.07314.51
5.3.100.0070.05313.99
5.3.90.0030.04313.87
5.3.80.0100.06314.01
5.3.70.0030.07713.92
5.3.60.0030.05014.00
5.3.50.0030.04013.80
5.3.40.0030.04713.92
5.3.30.0030.05713.91
5.3.20.0170.05713.67
5.3.10.0130.06713.61
5.3.00.0100.07013.61
5.2.170.0030.06711.14
5.2.160.0100.05311.16
5.2.150.0070.06011.16
5.2.140.0030.06011.13
5.2.130.0030.06310.96
5.2.120.0030.04710.96
5.2.110.0070.03311.06
5.2.100.0030.05310.88
5.2.90.0000.05010.96
5.2.80.0100.06311.09
5.2.70.0070.05010.93
5.2.60.0200.04711.04
5.2.50.0030.06311.01
5.2.40.0070.06311.06
5.2.30.0070.05310.98
5.2.20.0130.05710.98
5.2.10.0070.05310.75
5.2.00.0030.06310.71
5.1.60.0070.0479.98
5.1.50.0070.0479.87
5.1.40.0100.0479.85
5.1.30.0000.05010.36
5.1.20.0030.05710.25
5.1.10.0030.03310.11
5.1.00.0000.05710.05
5.0.50.0200.0278.64
5.0.40.0000.0238.25
5.0.30.0070.0538.05
5.0.20.0130.0138.29
5.0.10.0000.0208.20
5.0.00.0000.0308.23
4.4.90.0000.0407.36
4.4.80.0070.0277.36
4.4.70.0000.0377.36
4.4.60.0000.0377.36
4.4.50.0000.0307.36
4.4.40.0000.0607.36
4.4.30.0070.0307.36
4.4.20.0030.0337.36
4.4.10.0030.0177.36
4.4.00.0030.0377.36
4.3.110.0000.0177.36
4.3.100.0000.0177.36
4.3.90.0030.0177.36
4.3.80.0000.0337.36
4.3.70.0030.0137.36
4.3.60.0000.0177.36
4.3.50.0000.0177.36
4.3.40.0000.0277.36
4.3.30.0000.0207.36
4.3.20.0000.0177.36
4.3.10.0000.0177.36
4.3.00.0000.0177.36

preferences:
46.06 ms | 400 KiB | 5 Q