3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $a = 0; } class C { } $a = new A(); $b = (object)[chr(0) . 'A' . chr(0) . 'a' => 1]; $c = new C(); $c->{chr(0) . 'C' . chr(0) . 'a'} = 2; echo $c->{chr(0) . 'A' . chr(0) . 'a'}; echo $b->{chr(0) . 'A' . chr(0) . 'a'}; echo $a->{chr(0) . 'A' . chr(0) . 'a'};

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)
8.3.60.0070.01418.43
8.3.50.0070.00716.45
8.3.40.0110.00418.86
8.3.30.0040.01218.99
8.3.20.0050.00319.11
8.3.10.0080.00021.76
8.3.00.0040.00419.66
8.2.180.0060.01218.52
8.2.170.0000.01422.96
8.2.160.0070.00720.36
8.2.150.0000.00825.66
8.2.140.0070.00024.66
8.2.130.0070.00020.35
8.2.120.0030.00526.35
8.2.110.0070.00320.47
8.2.100.0000.01117.84
8.2.90.0040.00419.09
8.2.80.0000.00818.02
8.2.70.0030.00517.63
8.2.60.0050.00317.93
8.2.50.0060.00318.10
8.2.40.0040.00422.20
8.2.30.0070.00019.14
8.2.20.0000.00818.01
8.2.10.0000.00718.05
8.2.00.0000.00718.13
8.1.280.0040.01125.92
8.1.270.0080.00023.98
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0060.00323.79
8.1.230.0080.00422.11
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0000.00917.25
8.1.190.0050.00317.10
8.1.180.0040.00418.10
8.1.170.0000.00818.48
8.1.160.0000.00719.12
8.1.150.0080.00018.84
8.1.140.0030.00519.49
8.1.130.0000.00718.78
8.1.120.0060.00317.32
8.1.110.0000.00817.45
8.1.100.0000.00717.43
8.1.90.0000.00717.54
8.1.80.0040.00517.36
8.1.70.0030.00317.51
8.1.60.0030.00617.59
8.1.50.0030.00617.54
8.1.40.0000.00917.55
8.1.30.0080.00017.68
8.1.20.0080.00317.49
8.1.10.0000.00817.64
8.1.00.0050.00317.50
8.0.300.0080.00018.77
8.0.290.0040.00416.75
8.0.280.0000.00718.32
8.0.270.0040.00417.20
8.0.260.0040.00416.71
8.0.250.0030.00316.86
8.0.240.0080.00016.98
8.0.230.0000.00816.87
8.0.220.0070.00016.92
8.0.210.0040.00416.91
8.0.200.0090.00016.98
8.0.190.0040.00416.95
8.0.180.0070.00016.86
8.0.170.0000.00716.88
8.0.160.0040.00416.85
8.0.150.0000.00716.87
8.0.140.0000.00716.87
8.0.130.0030.00313.34
8.0.120.0000.00716.86
8.0.110.0000.00716.81
8.0.100.0000.00816.86
8.0.90.0080.00016.83
8.0.80.0120.00916.86
8.0.70.0040.00416.93
8.0.60.0040.00416.93
8.0.50.0030.00516.97
8.0.30.0120.01016.91
8.0.20.0130.00517.40
8.0.10.0040.00417.14
8.0.00.0130.00716.50
7.4.330.0050.00015.55
7.4.320.0030.00316.62
7.4.300.0000.00716.54
7.4.290.0000.00716.64
7.4.280.0050.00316.47
7.4.270.0040.00416.61
7.4.260.0000.00613.18
7.4.250.0070.00016.56
7.4.240.0030.00316.59
7.4.230.0000.00716.53
7.4.220.0200.00716.48
7.4.210.0100.00516.59
7.4.200.0040.00416.66
7.4.160.0080.00716.55
7.4.150.0090.00917.40
7.4.140.0110.01017.86
7.4.130.0090.01516.69
7.4.120.0090.01316.61
7.4.110.0090.01516.62
7.4.100.0030.01316.57
7.4.90.0060.01216.44
7.4.80.0210.01619.39
7.4.70.0080.00816.64
7.4.60.0160.00016.69
7.4.50.0030.01316.60
7.4.40.0090.00616.50
7.4.30.0130.00316.79
7.4.00.0000.00914.94
7.3.330.0000.00613.29
7.3.320.0070.00013.25
7.3.310.0070.00016.38
7.3.300.0000.00716.33
7.3.290.0030.00316.34
7.3.280.0100.01016.28
7.3.270.0090.00817.40
7.3.260.0090.00716.55
7.3.250.0140.00616.39
7.3.240.0070.01316.48
7.3.230.0080.01216.39
7.3.210.0130.00316.36
7.3.200.0090.00616.41
7.3.190.0150.00316.59
7.3.180.0080.00816.34
7.3.170.0040.01216.46
7.3.160.0070.00816.24
7.3.10.0140.00716.29
7.3.00.0140.00516.24
7.2.330.0140.00416.40
7.2.320.0030.01416.71
7.2.310.0120.00416.80
7.2.300.0060.01616.60
7.2.290.0120.00916.66
7.2.130.0030.00916.34
7.2.120.0040.00816.49
7.2.110.0160.01016.69
7.2.100.0080.01116.38
7.2.90.0090.00416.76
7.2.80.0060.00916.61
7.2.70.0160.00616.37
7.2.60.0050.01216.69
7.2.50.0060.00616.43
7.2.40.0000.01016.39
7.2.30.0090.00616.22
7.2.20.0030.00716.52
7.2.10.0120.00016.32
7.2.00.0040.00818.13
7.1.250.0160.00615.20
7.1.200.0070.00315.52
7.1.100.0260.00918.16
7.1.70.0090.00317.23
7.1.60.0300.01733.04
7.1.50.2530.01732.77
7.1.40.1900.02032.47
7.1.30.2730.01732.38
7.1.20.2300.02332.80
7.1.10.2000.01714.55
7.1.00.1600.01314.86
7.0.200.4200.01014.71
7.0.190.3130.01014.65
7.0.180.2030.01714.46
7.0.170.2930.01314.48
7.0.160.2570.00714.46
7.0.150.1970.01314.37
7.0.140.1970.01314.45
7.0.130.1700.02014.84
7.0.120.1330.01014.72
7.0.110.1930.01314.55
7.0.100.2000.01314.61
7.0.90.1770.01314.32
7.0.80.1400.02014.55
7.0.70.1700.01014.23
7.0.60.1600.01014.44
7.0.50.1400.01014.23
7.0.40.1370.0008.00
7.0.30.1930.01014.75
7.0.20.1630.01714.58
7.0.10.1670.00714.70
7.0.00.1770.01314.57

preferences:
56.21 ms | 400 KiB | 5 Q