3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $a = 0; } $a = new A(); $b = (object)[chr(0) . 'A' . chr(0) . 'a' => 1]; $c = json_decode('{ "' . chr(0) . 'A' . chr(0) . 'a' . '":"2" }'); var_dump($c); 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)
8.3.60.0090.00618.29
8.3.50.0070.00716.38
8.3.40.0080.00819.02
8.3.30.0040.01118.88
8.3.20.0000.00818.98
8.3.10.0040.00421.77
8.3.00.0000.01019.66
8.2.180.0060.01218.41
8.2.170.0150.00622.96
8.2.160.0000.01420.48
8.2.150.0000.00724.18
8.2.140.0000.00824.66
8.2.130.0040.00422.06
8.2.120.0080.00026.35
8.2.110.0000.00920.39
8.2.100.0040.00817.91
8.2.90.0040.00419.22
8.2.80.0040.00418.04
8.2.70.0080.00017.75
8.2.60.0000.00818.04
8.2.50.0040.00418.10
8.2.40.0000.00920.42
8.2.30.0000.00719.26
8.2.20.0000.00718.07
8.2.10.0000.00718.07
8.2.00.0040.00417.95
8.1.280.0120.00325.92
8.1.270.0040.00422.19
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0170.00323.73
8.1.230.0090.00320.91
8.1.220.0000.00917.74
8.1.210.0050.00318.77
8.1.200.0040.00417.35
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0040.00418.41
8.1.160.0030.00319.02
8.1.150.0030.00620.52
8.1.140.0070.00319.58
8.1.130.0000.00718.83
8.1.120.0050.00217.41
8.1.110.0040.00417.39
8.1.100.0000.00717.38
8.1.90.0000.00817.49
8.1.80.0060.00317.39
8.1.70.0070.00017.43
8.1.60.0030.00617.51
8.1.50.0040.00417.38
8.1.40.0070.00217.55
8.1.30.0000.00717.51
8.1.20.0040.00417.68
8.1.10.0000.00817.59
8.1.00.0020.00517.56
8.0.300.0080.00018.77
8.0.290.0050.00216.75
8.0.280.0000.00818.41
8.0.270.0000.00717.30
8.0.260.0030.00316.97
8.0.250.0000.00817.01
8.0.240.0040.00416.97
8.0.230.0040.00416.95
8.0.220.0050.00216.86
8.0.210.0000.00716.95
8.0.200.0000.00616.93
8.0.190.0000.00816.98
8.0.180.0060.00316.94
8.0.170.0000.00716.83
8.0.160.0050.00216.80
8.0.150.0070.00016.91
8.0.140.0000.00716.76
8.0.130.0030.00313.37
8.0.120.0090.00016.86
8.0.110.0000.00716.70
8.0.100.0070.00016.78
8.0.90.0000.00816.93
8.0.80.0030.01316.92
8.0.70.0050.00316.89
8.0.60.0090.00016.84
8.0.50.0040.00416.85
8.0.30.0100.00717.13
8.0.20.0100.01017.42
8.0.10.0000.00716.93
8.0.00.0100.00716.82
7.4.330.0000.00515.55
7.4.320.0030.00316.56
7.4.300.0070.00016.51
7.4.290.0030.00316.66
7.4.280.0000.00816.46
7.4.270.0000.00716.61
7.4.260.0030.00313.33
7.4.250.0050.00216.46
7.4.240.0070.00016.57
7.4.230.0000.00716.52
7.4.220.0160.00316.46
7.4.210.0060.00716.51
7.4.200.0080.00016.59
7.4.160.0100.00716.42
7.4.150.0140.00317.40
7.4.140.0120.00817.86
7.4.130.0140.00316.85
7.4.120.0090.00916.56
7.4.110.0030.01616.52
7.4.100.0100.00716.54
7.4.90.0090.00916.49
7.4.80.0150.00319.39
7.4.70.0000.01516.41
7.4.60.0060.01016.66
7.4.50.0000.01716.58
7.4.40.0110.00516.50
7.4.30.0030.01216.70
7.4.00.0080.00815.09
7.3.330.0000.00513.16
7.3.320.0000.00513.08
7.3.310.0000.00716.29
7.3.300.0000.00616.30
7.3.290.0070.00016.17
7.3.280.0060.01016.27
7.3.270.0070.01317.40
7.3.260.0110.00816.48
7.3.250.0130.00716.32
7.3.240.0120.00516.54
7.3.230.0070.01016.23
7.3.210.0120.00616.65
7.3.200.0030.01416.44
7.3.190.0130.00316.27
7.3.180.0110.00716.34
7.3.170.0030.01316.42
7.3.160.0160.00016.41
7.3.00.0000.01016.25
7.2.330.0140.00716.83
7.2.320.0130.00416.80
7.2.310.0040.01216.75
7.2.300.0060.00916.79
7.2.290.0070.01016.77
7.2.130.0030.01016.93
7.2.120.0110.00416.97
7.2.110.0110.00716.84
7.2.100.0070.00716.75
7.2.90.0030.00916.85
7.2.80.0070.00716.99
7.2.70.0070.00716.88
7.2.60.0100.00316.80
7.2.50.0080.00816.89
7.2.40.0030.00716.74
7.2.30.0040.01116.88
7.2.20.0030.00916.82
7.2.10.0030.00916.99
7.2.00.0080.00718.14
7.1.250.0100.00315.80
7.1.240.0000.01615.71
7.1.230.0030.00915.78
7.1.220.0030.01015.64
7.1.210.0000.01015.65
7.1.200.0230.00115.71
7.1.190.0030.00615.88
7.1.180.0060.00615.81
7.1.170.0080.00315.53
7.1.160.0070.00715.59
7.1.150.0060.00615.74
7.1.140.0030.01015.78
7.1.130.0000.01215.96
7.1.120.0030.01015.42
7.1.110.0000.01015.75
7.1.100.0040.00616.83
7.1.90.0040.00715.70
7.1.80.0040.00715.78
7.1.70.0080.00116.62
7.1.60.0470.01024.49
7.1.50.0470.01024.42
7.1.40.0570.00824.07
7.1.30.0770.01424.20
7.1.20.0650.01324.07
7.1.10.0600.00815.37
7.1.00.0640.01415.20
7.0.330.0090.00315.14
7.0.320.0070.00415.58
7.0.310.0060.00915.41
7.0.300.0070.01015.30
7.0.290.0070.00715.04
7.0.280.0080.00815.51
7.0.270.0040.01115.20
7.0.260.0080.00415.49
7.0.250.0030.00315.61
7.0.240.0000.01615.48
7.0.230.0070.00715.22
7.0.220.0080.00415.41
7.0.210.0000.01015.41
7.0.200.0530.00515.20
7.0.190.0610.01015.21
7.0.180.0520.00514.91
7.0.170.0700.01014.75
7.0.160.0550.01315.07
7.0.150.0670.00814.77
7.0.140.0500.00514.87
7.0.130.0580.01214.96
7.0.120.0700.00715.01
7.0.110.0630.00614.84
7.0.100.0900.00514.89
7.0.90.0430.01215.04
7.0.80.0500.01114.95
7.0.70.0730.01214.92
7.0.60.0520.00714.75
7.0.50.0550.00714.88
7.0.40.0430.00914.05
7.0.30.0570.00814.00
7.0.20.0570.00914.09
7.0.10.0500.01114.04
7.0.00.0650.01014.07
5.6.380.0070.00314.09

preferences:
41.29 ms | 401 KiB | 5 Q