3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = []; $foo[1] = "hey"; $foo[0] = "lol"; echo json_encode($foo);

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)
8.3.60.0150.00618.13
8.3.50.0000.01518.06
8.3.40.0120.00418.84
8.3.30.0120.00318.58
8.3.20.0060.00320.16
8.3.10.0040.00422.04
8.3.00.0080.00023.65
8.2.180.0070.01025.92
8.2.170.0070.01022.96
8.2.160.0040.01122.26
8.2.150.0040.00424.18
8.2.140.0080.00624.66
8.2.130.0040.00426.16
8.2.120.0000.00919.46
8.2.110.0040.01422.13
8.2.100.0070.00417.84
8.2.90.0030.00522.50
8.2.80.0040.00417.97
8.2.70.0050.00317.93
8.2.60.0000.00718.03
8.2.50.0000.00818.34
8.2.40.0000.00720.55
8.2.30.0040.00421.09
8.2.20.0040.00418.16
8.2.10.0070.00017.93
8.2.00.0070.00018.07
8.1.280.0100.00725.92
8.1.270.0040.00420.25
8.1.260.0040.00426.35
8.1.250.0030.00628.09
8.1.240.0060.00322.60
8.1.230.0110.00021.04
8.1.220.0000.00817.74
8.1.210.0000.00818.89
8.1.200.0080.00017.35
8.1.190.0050.00317.35
8.1.180.0040.00418.10
8.1.170.0050.00318.46
8.1.160.0000.00818.82
8.1.150.0070.00019.99
8.1.140.0050.00317.64
8.1.130.0040.00417.42
8.1.120.0000.00717.39
8.1.110.0000.00717.23
8.1.100.0020.00517.43
8.1.90.0030.00517.28
8.1.80.0030.00517.37
8.1.70.0030.00317.40
8.1.60.0000.00817.52
8.1.50.0030.00717.36
8.1.40.0040.00417.34
8.1.30.0000.00717.47
8.1.20.0040.00417.46
8.1.10.0090.00017.63
8.1.00.0040.00417.57
8.0.300.0000.00719.86
8.0.290.0040.00416.75
8.0.280.0000.00718.47
8.0.270.0030.00317.24
8.0.260.0070.00016.70
8.0.250.0000.00716.84
8.0.240.0000.00816.83
8.0.230.0070.00016.75
8.0.220.0050.00216.86
8.0.210.0030.00316.80
8.0.200.0070.00016.80
8.0.190.0050.00316.77
8.0.180.0040.00416.86
8.0.170.0000.00716.72
8.0.160.0050.00316.80
8.0.150.0030.00316.74
8.0.140.0070.00016.79
8.0.130.0030.00313.31
8.0.120.0060.00316.75
8.0.110.0000.00816.84
8.0.100.0040.00416.88
8.0.90.0070.00016.81
8.0.80.0030.01716.87
8.0.70.0040.00416.93
8.0.60.0000.00716.80
8.0.50.0000.00716.69
8.0.30.0110.00816.86
8.0.20.0090.01117.40
8.0.10.0030.00616.83
8.0.00.0100.00716.80
7.4.330.0020.00215.55
7.4.320.0060.00016.45
7.4.300.0030.00316.44
7.4.290.0030.00316.45
7.4.280.0070.00016.54
7.4.270.0070.00016.46
7.4.260.0030.00316.31
7.4.250.0040.00416.48
7.4.240.0000.00816.44
7.4.230.0030.00516.44
7.4.220.0000.00816.43
7.4.210.0150.00016.47
7.4.200.0040.00416.27
7.4.160.0030.01316.35
7.4.150.0080.00917.40
7.4.140.0110.00817.86
7.4.130.0140.00316.29
7.4.120.0060.01216.51
7.4.110.0090.00916.39
7.4.100.0130.00716.49
7.4.90.0120.00616.42
7.4.80.0080.00819.39
7.4.70.0120.00916.65
7.4.60.0130.00216.57
7.4.50.0090.00416.57
7.4.40.0160.00616.43
7.4.30.0060.01016.51
7.4.00.0080.00815.04
7.3.330.0020.00212.94
7.3.320.0000.00513.18
7.3.310.0040.00416.24
7.3.300.0070.00016.19
7.3.290.0080.00816.20
7.3.280.0070.00916.15
7.3.270.0120.00617.40
7.3.260.0120.00616.36
7.3.250.0100.00716.41
7.3.240.0110.00616.19
7.3.230.0150.00816.35
7.3.210.0130.00316.39
7.3.200.0060.01216.09
7.3.190.0090.00616.23
7.3.180.0080.00816.48
7.3.170.0110.00416.60
7.3.160.0110.00616.41
7.2.330.0030.01716.55
7.2.320.0030.01416.38
7.2.310.0110.00716.70
7.2.300.0100.01016.38
7.2.290.0150.00016.30
7.2.120.0100.00716.55
7.2.110.0030.00816.45
7.2.100.0070.00816.49
7.2.90.0130.00416.33
7.2.80.0140.00416.62
7.2.70.0130.00616.80
7.2.60.0110.00116.93
7.2.50.0130.00316.55
7.2.40.0100.00716.83
7.2.30.0100.00316.79
7.2.20.0120.00216.86
7.2.10.0140.00417.04
7.2.00.0030.01016.70
7.1.240.0140.00316.00
7.1.230.0090.00415.83
7.1.220.0150.00315.77
7.1.210.0050.01015.73
7.1.200.0050.00815.46
7.1.190.0100.00415.64
7.1.180.0070.00715.66
7.1.170.0090.00915.88
7.1.160.0120.00315.75
7.1.150.0100.00515.53
7.1.140.0100.00515.66
7.1.130.0040.01215.79
7.1.120.0140.00015.54
7.1.110.0120.00415.50
7.1.100.0220.00516.02
7.1.90.0210.00815.81
7.1.80.0160.00616.03
7.1.70.0500.00215.48
7.1.60.0180.00924.37
7.1.50.0220.00824.36
7.1.40.0190.01124.23
7.1.30.0200.01024.23
7.1.20.0220.00724.02
7.1.10.0090.00815.31
7.1.00.0110.00815.31
7.0.320.0030.00915.33
7.0.310.0080.00615.27
7.0.300.0050.01015.38
7.0.290.0120.00415.42
7.0.280.0120.00315.36
7.0.270.0110.00315.07
7.0.260.0100.00515.40
7.0.250.0110.00315.39
7.0.240.0090.01015.82
7.0.230.0090.00915.68
7.0.220.0110.00815.60
7.0.210.3680.00915.24
7.0.200.0130.00915.27
7.0.190.0140.00515.05
7.0.180.0120.01014.91
7.0.170.0150.00915.04
7.0.160.0140.00814.95
7.0.150.0080.01115.05
7.0.140.0180.00714.81
7.0.130.0090.01014.86
7.0.120.0030.01515.00
7.0.110.0230.00814.92
7.0.100.0080.01114.80
7.0.90.0100.00715.03
7.0.80.0180.00714.97
7.0.70.2690.00815.06
7.0.60.0230.00714.79
7.0.50.0270.00614.82
7.0.40.0110.00914.07
7.0.30.0140.00813.85
7.0.20.0420.00714.04
7.0.10.2630.00714.00
7.0.00.3040.00714.05
5.6.380.0120.00914.18

preferences:
60.08 ms | 400 KiB | 5 Q