3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = []; $x['a']['b'] = 'b'; $x['a']['c'] = 'c'; var_dump($x);

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)
8.3.70.0000.01516.75
8.3.60.0120.00918.55
8.3.50.0020.01516.61
8.3.40.0090.00618.51
8.3.30.0070.00718.54
8.3.20.0070.00022.09
8.3.10.0060.00321.73
8.3.00.0080.00019.68
8.2.180.0150.00318.29
8.2.170.0120.00322.96
8.2.160.0100.00719.08
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0080.00019.39
8.2.120.0030.00526.35
8.2.110.0030.00720.93
8.2.100.0040.00717.72
8.2.90.0040.00419.23
8.2.80.0050.00317.97
8.2.70.0000.00917.63
8.2.60.0000.00817.80
8.2.50.0000.00818.10
8.2.40.0030.00720.51
8.2.30.0000.00819.15
8.2.20.0040.00418.13
8.2.10.0000.00818.04
8.2.00.0060.00317.95
8.1.280.0080.00825.92
8.1.270.0000.00722.10
8.1.260.0000.00726.35
8.1.250.0060.00328.09
8.1.240.0060.00322.55
8.1.230.0040.00719.17
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.13
8.1.190.0080.00017.11
8.1.180.0040.00418.10
8.1.170.0080.00320.28
8.1.160.0000.00718.96
8.1.150.0040.00420.65
8.1.140.0040.00419.55
8.1.130.0030.00318.88
8.1.120.0000.00817.44
8.1.110.0080.00017.25
8.1.100.0040.00417.42
8.1.90.0000.00817.28
8.1.80.0000.00717.43
8.1.70.0040.00417.38
8.1.60.0030.00517.52
8.1.50.0040.00417.32
8.1.40.0050.00217.33
8.1.30.0040.00417.60
8.1.20.0040.00417.48
8.1.10.0030.00517.34
8.1.00.0050.00317.46
8.0.300.0040.00419.97
8.0.290.0040.00416.63
8.0.280.0070.00018.37
8.0.270.0070.00017.10
8.0.260.0030.00316.63
8.0.250.0070.00016.76
8.0.240.0080.00316.88
8.0.230.0030.00316.77
8.0.220.0040.00416.85
8.0.210.0030.00316.81
8.0.200.0050.00216.77
8.0.190.0000.00816.79
8.0.180.0050.00316.87
8.0.170.0000.00716.90
8.0.160.0000.00716.91
8.0.150.0040.00416.64
8.0.140.0030.00316.77
8.0.130.0080.00013.33
8.0.120.0000.00716.69
8.0.110.0040.00416.61
8.0.100.0000.00816.71
8.0.90.0000.00716.73
8.0.80.0070.01016.77
8.0.70.0000.00716.63
8.0.60.0050.00316.88
8.0.50.0000.00716.84
8.0.30.0080.01017.09
8.0.20.0080.01117.40
8.0.10.0040.00416.96
8.0.00.0110.00616.85
7.4.330.0050.00015.55
7.4.320.0060.00016.44
7.4.300.0060.00016.53
7.4.290.0090.00016.42
7.4.280.0040.00416.53
7.4.270.0000.00716.38
7.4.260.0000.00716.42
7.4.250.0030.00316.34
7.4.240.0040.00316.45
7.4.230.0020.00516.43
7.4.220.0140.00416.61
7.4.210.0090.00616.50
7.4.200.0030.00316.42
7.4.160.0070.01216.26
7.4.150.0080.01117.40
7.4.140.0080.00917.86
7.4.130.0170.00416.39
7.4.120.0100.00916.58
7.4.110.0100.01316.35
7.4.100.0070.01016.44
7.4.90.0110.00516.29
7.4.80.0060.01019.39
7.4.70.0090.00916.42
7.4.60.0130.01016.39
7.4.50.0130.00016.13
7.4.40.0090.01216.24
7.4.30.0070.01016.30
7.4.00.0070.01014.81
7.3.330.0050.00013.08
7.3.320.0030.00313.04
7.3.310.0040.00416.03
7.3.300.0030.00316.18
7.3.290.0060.00816.15
7.3.280.0060.01016.20
7.3.270.0090.01917.40
7.3.260.0150.00616.18
7.3.250.0090.00916.42
7.3.240.0110.01016.49
7.3.230.0100.01016.29
7.3.210.0130.00316.35
7.3.200.0120.00416.21
7.3.190.0080.00816.21
7.3.180.0170.00016.15
7.3.170.0130.00316.39
7.3.160.0100.00716.25
7.2.330.0100.01016.59
7.2.320.0090.00916.57
7.2.310.0000.01716.23
7.2.300.0110.00516.29
7.2.290.0120.00816.38
7.2.90.1770.00314.44
7.2.80.2530.01014.49
7.2.70.1990.00714.88
7.2.60.1220.00014.76
7.2.50.1320.01014.59
7.2.40.0560.01414.54
7.2.30.0190.00315.02
7.2.20.0890.00314.59
7.2.10.0600.00614.73
7.2.00.0110.00714.64
7.1.210.2560.01613.64
7.1.200.2900.01013.62
7.1.190.1180.00713.79
7.1.180.1680.00713.86
7.1.170.1710.00613.90
7.1.160.0160.00813.60
7.1.150.1160.01013.64
7.1.140.0090.00913.79
7.1.130.0770.01013.92
7.1.120.1150.00313.75
7.1.110.0840.01413.88
7.1.100.0670.00713.68
7.1.90.2440.00613.71
7.1.80.0110.00813.83
7.1.70.1440.00613.93
7.1.60.0600.01031.75
7.1.50.0630.01331.74
7.1.40.0260.01131.71
7.1.30.0240.01531.70
7.1.20.1980.01531.29
7.1.10.2050.01313.63
7.1.00.0120.00913.68
7.0.310.1950.00013.12
7.0.300.0630.00313.51
7.0.290.0150.01213.49
7.0.280.0250.01213.45
7.0.270.0290.01113.35
7.0.260.0170.00413.39
7.0.250.2230.00313.29
7.0.240.1010.01013.16
7.0.230.0090.01213.50
7.0.220.2210.00013.09
7.0.210.0110.00613.60
7.0.200.1820.00313.50
7.0.190.0060.01213.19
7.0.180.0860.00313.16
7.0.170.0120.00413.68
7.0.160.0390.00713.60
7.0.150.0390.00713.40
7.0.140.0250.00613.20
7.0.130.1820.00313.72
7.0.120.0210.00413.50
7.0.110.0090.00913.36
7.0.100.0530.00013.22
7.0.90.0130.00613.52
7.0.80.0120.00813.62
7.0.70.0120.00613.65
7.0.60.2560.00313.62
7.0.50.0040.01113.54
7.0.40.0790.00013.68
7.0.30.0130.00713.34
7.0.20.1210.00313.55
7.0.10.0390.00013.67
7.0.00.0630.00013.55

preferences:
45.62 ms | 401 KiB | 5 Q