3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo json_encode((array)array(1,2,3));

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)
8.3.60.0100.00318.55
8.3.50.0110.01021.00
8.3.40.0150.00618.76
8.3.30.0160.00018.96
8.3.20.0040.00420.27
8.3.10.0000.00920.66
8.3.00.0080.00019.38
8.2.180.0070.00718.16
8.2.170.0070.00722.96
8.2.160.0030.01020.43
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00422.17
8.2.110.0030.01422.08
8.2.100.0090.00317.78
8.2.90.0040.00417.75
8.2.80.0080.00018.84
8.2.70.0060.00317.91
8.2.60.0060.00318.09
8.2.50.0080.00018.10
8.2.40.0060.00319.14
8.2.30.0000.00719.28
8.2.20.0060.00317.58
8.2.10.0030.00517.90
8.2.00.0040.00417.60
8.1.280.0090.01225.92
8.1.270.0050.00322.24
8.1.260.0040.00426.35
8.1.250.0030.00728.09
8.1.240.0060.00322.20
8.1.230.0070.00317.70
8.1.220.0080.00017.74
8.1.210.0000.00918.77
8.1.200.0000.00917.22
8.1.190.0000.00817.23
8.1.180.0000.00818.10
8.1.170.0040.00418.54
8.1.160.0050.00218.81
8.1.150.0030.00518.67
8.1.140.0040.00417.36
8.1.130.0030.00317.67
8.1.120.0000.00717.20
8.1.110.0000.00717.25
8.1.100.0000.00817.33
8.1.90.0000.00717.37
8.1.80.0040.00417.30
8.1.70.0030.00317.24
8.1.60.0000.00817.33
8.1.50.0040.00417.41
8.1.40.0040.00417.42
8.1.30.0040.00417.40
8.1.20.0040.00417.42
8.1.10.0000.00717.39
8.1.00.0080.00017.34
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0030.00318.37
8.0.270.0000.00717.17
8.0.260.0030.00317.17
8.0.250.0000.00716.90
8.0.240.0030.00316.79
8.0.230.0040.00416.71
8.0.220.0050.00316.67
8.0.210.0030.00316.80
8.0.200.0030.00316.94
8.0.190.0020.00516.75
8.0.180.0070.00016.84
8.0.170.0040.00416.81
8.0.160.0000.00716.69
8.0.150.0070.00016.61
8.0.140.0060.00316.66
8.0.130.0000.00713.31
8.0.120.0000.00816.77
8.0.110.0040.00416.88
8.0.100.0050.00316.78
8.0.90.0000.00716.76
8.0.80.0070.00716.84
8.0.70.0000.00716.71
8.0.60.0000.00716.86
8.0.50.0040.00416.75
8.0.30.0130.00617.06
8.0.20.0140.00817.40
8.0.10.0000.00716.84
8.0.00.0080.01316.66
7.4.330.0000.00515.00
7.4.320.0060.00016.46
7.4.300.0000.00616.40
7.4.290.0060.00016.45
7.4.280.0040.00416.45
7.4.270.0070.00016.35
7.4.260.0000.00716.24
7.4.250.0000.00716.33
7.4.240.0050.00316.45
7.4.230.0030.00316.34
7.4.220.0070.01116.48
7.4.210.0060.00916.52
7.4.200.0000.00716.25
7.4.160.0070.01016.41
7.4.150.0070.01117.40
7.4.140.0070.01217.86
7.4.130.0110.00516.36
7.4.120.0090.01316.35
7.4.110.0100.00716.36
7.4.100.0080.00916.22
7.4.90.0100.00716.33
7.4.80.0100.00719.39
7.4.70.0080.00816.50
7.4.60.0130.00316.26
7.4.50.0000.00816.36
7.4.40.0140.00616.54
7.4.30.0140.01016.54
7.4.00.0060.00314.56
7.3.330.0000.00512.97
7.3.320.0020.00212.90
7.3.310.0070.00016.03
7.3.300.0060.00016.02
7.3.290.0070.00716.18
7.3.280.0070.01116.23
7.3.270.0110.00717.40
7.3.260.0140.00416.22
7.3.250.0120.00816.10
7.3.240.0070.01016.17
7.3.230.0100.00716.41
7.3.210.0100.00716.38
7.3.200.0070.01019.39
7.3.190.0060.01316.11
7.3.180.0000.01616.11
7.3.170.0100.00616.52
7.3.160.0120.00916.44
7.2.330.0130.00316.53
7.2.320.0080.00816.43
7.2.310.0100.00616.38
7.2.300.0090.00916.46
7.2.290.0080.00816.47
7.2.00.0380.00619.15
7.1.100.0110.00418.09
7.1.70.0000.01116.79
7.1.60.0140.00719.32
7.1.50.0100.01416.65
7.1.00.0030.07022.54
7.0.200.0030.00616.66
7.0.140.0070.07022.21
7.0.90.0100.08019.89
7.0.80.0400.07319.91
7.0.70.0400.07319.94
7.0.60.0500.08020.06
7.0.50.0600.08020.19
7.0.40.0100.08320.08
7.0.30.0130.07020.09
7.0.20.0100.07720.14
7.0.10.0030.07320.04
7.0.00.0100.07719.94
5.6.280.0130.06020.89
5.6.240.0030.09020.75
5.6.230.0000.05320.62
5.6.220.0070.08320.58
5.6.210.0070.08320.61
5.6.200.0070.08320.95
5.6.190.0070.05721.07
5.6.180.0000.07721.10
5.6.170.0070.07721.18
5.6.160.0100.08021.01
5.6.150.0130.06721.07
5.6.140.0100.07720.94
5.6.130.0170.06021.09
5.6.120.0070.04721.01
5.6.110.0070.06021.09
5.6.100.0070.07720.91
5.6.90.0100.05021.01
5.6.80.0130.06720.43
5.6.70.0130.07020.41
5.6.60.0130.07020.44
5.6.50.0070.05020.42
5.6.40.0000.08320.38
5.6.30.0030.07020.52
5.6.20.0100.04020.37
5.6.10.0030.08320.52
5.6.00.0030.08320.37
5.5.380.0130.07720.44
5.5.370.0070.04320.34
5.5.360.0100.05020.36
5.5.350.0030.08720.42
5.5.340.0000.09720.79
5.5.330.0100.07320.82
5.5.320.0100.08020.64
5.5.310.0170.03720.79
5.5.300.0100.07320.85
5.5.290.0070.08720.90
5.5.280.0100.08020.82
5.5.270.0100.05720.80
5.5.260.0130.07320.74
5.5.250.0100.03720.45
5.5.240.0070.08020.25
5.5.230.0130.06320.24
5.5.220.0000.08020.24
5.5.210.0100.07720.05
5.5.200.0100.07320.24
5.5.190.0070.07720.24
5.5.180.0070.08320.20
5.5.160.0000.08720.11
5.5.150.0130.07020.23
5.5.140.0130.07720.26
5.5.130.0030.05720.13
5.5.120.0170.07020.16
5.5.110.0100.08720.16
5.5.100.0070.08020.05
5.5.90.0070.07020.02
5.5.80.0100.07320.14
5.5.70.0070.07720.02
5.5.60.0000.05320.05
5.5.50.0000.08320.13
5.5.40.0070.06019.92
5.5.30.0030.04020.04
5.5.20.0070.04020.13
5.5.10.0030.04020.04
5.5.00.0000.04320.16
5.4.450.0170.06719.37
5.4.440.0130.07019.35
5.4.430.0070.07019.41
5.4.420.0030.07719.39
5.4.410.0130.07019.14
5.4.400.0030.08018.79
5.4.390.0130.07019.06
5.4.380.0100.06719.03
5.4.370.0070.04319.04
5.4.360.0000.07718.90
5.4.350.0100.07318.81
5.4.340.0070.07318.78
5.4.320.0100.06319.04
5.4.310.0070.07718.81
5.4.300.0030.07318.84
5.4.290.0030.07718.81
5.4.280.0100.07718.96
5.4.270.0000.05319.05
5.4.260.0100.04019.02
5.4.250.0070.07718.94
5.4.240.0030.08018.97
5.4.230.0100.08018.96
5.4.220.0130.04319.13
5.4.210.0100.06019.02
5.4.200.0100.03319.19
5.4.190.0070.03318.99
5.4.180.0070.03719.22
5.4.170.0100.03319.13
5.4.160.0000.03718.96
5.4.150.0070.03719.00
5.4.140.0000.05016.23
5.4.130.0070.03016.30
5.4.120.0030.05016.31
5.4.110.0030.04316.43
5.4.100.0070.06316.27
5.4.90.0070.05016.20
5.4.80.0030.05316.20
5.4.70.0070.03316.21
5.4.60.0030.03316.36
5.4.50.0030.05716.18
5.4.40.0000.06016.24
5.4.30.0070.03316.20
5.4.20.0030.03716.18
5.4.10.0100.03316.30
5.4.00.0170.02315.46
5.3.290.0070.08014.65
5.3.280.0130.07014.42
5.3.270.0070.04014.55
5.3.260.0000.04014.43
5.3.250.0030.03714.61
5.3.240.0000.04014.46
5.3.230.0000.04714.45
5.3.220.0100.03014.42
5.3.210.0070.03314.50
5.3.200.0130.02314.42
5.3.190.0030.03714.40
5.3.180.0000.05314.53
5.3.170.0070.03314.37
5.3.160.0030.03714.54
5.3.150.0000.04714.52
5.3.140.0030.04314.40
5.3.130.0070.03714.52
5.3.120.0070.03314.38
5.3.110.0030.03714.49
5.3.100.0100.03014.02
5.3.90.0000.04013.87
5.3.80.0070.03314.00
5.3.70.0000.04013.95
5.3.60.0070.03313.98
5.3.50.0030.03713.87
5.3.40.0030.04013.80
5.3.30.0030.03313.86
5.3.20.0070.03013.67
5.3.10.0000.03313.61
5.3.00.0030.03313.41
5.2.170.0030.03711.19
5.2.160.0000.03011.16
5.2.150.0100.02311.19
5.2.140.0100.03711.00
5.2.130.0070.02011.12
5.2.120.0000.03011.08
5.2.110.0170.01711.16
5.2.100.0100.02011.11
5.2.90.0000.03710.91
5.2.80.0030.02710.95
5.2.70.0070.02310.94
5.2.60.0000.03711.04
5.2.50.0000.03010.87
5.2.40.0030.04011.07
5.2.30.0000.03010.83
5.2.20.0000.03010.98
5.2.10.0000.03710.88
5.2.00.0100.02010.77
5.1.60.0100.01710.05
5.1.50.0000.02710.02
5.1.40.0030.0239.96
5.1.30.0000.02710.23
5.1.20.0000.03010.37
5.1.10.0030.02310.10
5.1.00.0030.03310.14
5.0.50.0000.0408.57
5.0.40.0030.0408.24
5.0.30.0000.0478.21
5.0.20.0030.0408.05
5.0.10.0030.0478.00
5.0.00.0000.0678.03
4.4.90.0000.0207.41
4.4.80.0030.0137.41
4.4.70.0030.0137.41
4.4.60.0030.0137.41
4.4.50.0000.0177.41
4.4.40.0000.0277.41
4.4.30.0030.0137.41
4.4.20.0070.0107.41
4.4.10.0000.0207.41
4.4.00.0000.0377.41
4.3.110.0000.0377.41
4.3.100.0030.0337.41
4.3.90.0000.0277.41
4.3.80.0070.0507.41
4.3.70.0070.0207.41
4.3.60.0000.0377.41
4.3.50.0000.0377.41
4.3.40.0030.0407.41
4.3.30.0000.0337.41
4.3.20.0030.0377.41
4.3.10.0030.0337.41
4.3.00.0000.0277.41

preferences:
40.86 ms | 400 KiB | 5 Q