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" ]'); 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)
8.3.60.0120.00318.18
8.3.50.0090.00616.60
8.3.40.0070.01118.91
8.3.30.0110.00418.79
8.3.20.0080.00019.16
8.3.10.0040.00421.73
8.3.00.0030.00619.60
8.2.180.0140.00716.74
8.2.170.0090.01222.96
8.2.160.0070.00720.38
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00022.29
8.2.120.0040.00426.35
8.2.110.0070.00320.34
8.2.100.0040.00717.94
8.2.90.0040.00419.22
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0050.00317.93
8.2.50.0040.00418.10
8.2.40.0000.00822.31
8.2.30.0000.00719.21
8.2.20.0040.00418.12
8.2.10.0050.00318.06
8.2.00.0040.00417.98
8.1.280.0100.01025.92
8.1.270.0040.00422.04
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0110.00021.94
8.1.230.0040.00720.96
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0040.00417.35
8.1.190.0040.00417.23
8.1.180.0090.00018.10
8.1.170.0040.00418.57
8.1.160.0040.00419.03
8.1.150.0060.00318.85
8.1.140.0070.00319.42
8.1.130.0030.00318.85
8.1.120.0040.00417.34
8.1.110.0000.00717.35
8.1.100.0000.00817.45
8.1.90.0040.00417.38
8.1.80.0030.00717.33
8.1.70.0000.00717.44
8.1.60.0030.00617.59
8.1.50.0040.00417.40
8.1.40.0030.00717.44
8.1.30.0050.00217.59
8.1.20.0000.00817.69
8.1.10.0080.00017.50
8.1.00.0060.00317.41
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0000.00818.46
8.0.270.0030.00317.15
8.0.260.0000.00616.90
8.0.250.0000.00717.04
8.0.240.0060.00316.90
8.0.230.0070.00016.88
8.0.220.0000.00616.93
8.0.210.0000.00716.83
8.0.200.0030.00316.90
8.0.190.0080.00016.97
8.0.180.0020.00516.95
8.0.170.0000.00816.91
8.0.160.0000.00716.88
8.0.150.0040.00416.78
8.0.140.0040.00416.73
8.0.130.0030.00313.34
8.0.120.0040.00416.95
8.0.110.0040.00416.71
8.0.100.0000.00816.85
8.0.90.0000.00716.74
8.0.80.0090.01216.87
8.0.70.0000.00716.96
8.0.60.0050.00516.71
8.0.50.0020.00516.76
8.0.30.0120.00717.04
8.0.20.0140.00717.40
8.0.10.0040.00417.06
8.0.00.0070.01116.95
7.4.330.0020.00215.55
7.4.320.0070.00016.65
7.4.300.0000.00716.67
7.4.290.0020.00516.52
7.4.280.0080.00016.52
7.4.270.0000.00816.63
7.4.260.0000.00613.41
7.4.250.0000.00816.59
7.4.240.0000.00716.63
7.4.230.0000.00716.72
7.4.220.0030.01816.68
7.4.210.0070.00716.52
7.4.200.0070.00016.50
7.4.160.0100.00916.54
7.4.150.0120.00617.40
7.4.140.0080.01117.86
7.4.130.0070.01016.52
7.4.120.0110.00716.55
7.4.110.0200.00316.73
7.4.100.0090.00916.55
7.4.90.0060.01116.48
7.4.80.0120.01119.39
7.4.70.0060.00916.49
7.4.60.0040.01216.51
7.4.50.0030.01316.66
7.4.40.0120.00616.61
7.4.30.0080.00816.68
7.4.10.0090.00616.48
7.4.00.0100.00515.88
7.3.330.0000.00513.08
7.3.320.0000.00613.14
7.3.310.0040.00416.32
7.3.300.0030.00316.22
7.3.290.0030.00316.14
7.3.280.0070.01016.31
7.3.270.0090.00917.40
7.3.260.0080.01516.37
7.3.250.0100.01016.34
7.3.240.0080.00816.39
7.3.230.0070.01016.47
7.3.210.0070.01016.27
7.3.200.0180.00316.35
7.3.190.0090.00616.43
7.3.180.0100.01316.43
7.3.170.0080.00916.41
7.3.160.0100.00716.46
7.3.130.0060.01316.26
7.3.120.0070.01316.48
7.3.110.0150.00316.38
7.3.100.0040.01116.34
7.3.90.0030.01216.46
7.3.80.0000.01316.28
7.3.70.0070.01116.34
7.3.60.0030.01016.31
7.3.50.0000.01316.41
7.3.40.0000.01216.28
7.3.30.0060.01016.38
7.3.20.0070.01018.24
7.3.10.0050.00817.40
7.3.00.0080.00317.42
7.2.330.0070.01616.55
7.2.320.0090.00816.68
7.2.310.0050.01316.35
7.2.300.0120.01016.74
7.2.290.0090.01316.53
7.2.260.0000.01916.26
7.2.250.0030.01716.51
7.2.240.0100.00616.39
7.2.230.0100.00616.64
7.2.220.0030.01016.82
7.2.210.0040.01116.73
7.2.200.0040.01416.70
7.2.190.0060.01216.42
7.2.180.0030.01016.35
7.2.170.0080.00816.44
7.2.160.0000.01216.51
7.2.150.0090.00618.32
7.2.140.0030.01018.25
7.2.130.0070.00917.65
7.2.120.0050.00817.78
7.2.110.0080.00817.55
7.2.100.0080.00317.67
7.2.90.0100.00417.59
7.2.80.0040.01117.71
7.2.70.0060.00617.51
7.2.60.0050.01017.23
7.2.50.0060.00717.63
7.2.40.0060.00717.48
7.2.30.0060.00817.59
7.2.20.0060.00717.51
7.2.10.0100.00517.58
7.2.00.0010.01318.23
7.1.330.0070.01017.49
7.1.320.0000.01417.34
7.1.310.0060.00617.36
7.1.300.0040.01117.31
7.1.290.0060.00317.22
7.1.280.0070.00717.20
7.1.270.0060.00617.30
7.1.260.0090.00617.21
7.1.250.0080.00716.56
7.1.240.0090.00617.30
7.1.230.0090.00617.46
7.1.220.0070.01017.32
7.1.210.0120.00017.36
7.1.200.0030.00916.62
7.1.190.0100.00617.25
7.1.180.0040.01516.89
7.1.170.0030.00917.28
7.1.160.0090.00617.34
7.1.150.0000.01617.17
7.1.140.0090.00917.27
7.1.130.0150.00017.23
7.1.120.0060.00917.16
7.1.110.0030.00717.24
7.1.100.0050.00917.68
7.1.90.0060.00617.43
7.1.80.0130.00317.32
7.1.70.0090.00517.35
7.1.60.0680.01125.25
7.1.50.0710.00825.22
7.1.40.0760.01825.02
7.1.30.0800.01324.90
7.1.20.0580.01524.91
7.1.10.0580.01215.99
7.1.00.0520.01216.08
7.0.330.0100.00316.76
7.0.320.0150.00316.80
7.0.310.0060.00916.96
7.0.300.0080.00516.97
7.0.290.0000.01216.83
7.0.280.0030.01317.15
7.0.270.0110.00417.13
7.0.260.0130.00316.77
7.0.250.0070.01117.01
7.0.240.0100.00717.12
7.0.230.0060.00617.10
7.0.220.0070.01116.98
7.0.210.0070.00716.97
7.0.200.0470.00815.93
7.0.190.0640.00515.93
7.0.180.0720.01315.71
7.0.170.0810.00615.69
7.0.160.0550.00815.69
7.0.150.0700.01215.64
7.0.140.0700.01115.66
7.0.130.0570.01415.80
7.0.120.0620.01215.88
7.0.110.0470.01515.72
7.0.100.0620.01015.46
7.0.90.0600.01215.54
7.0.80.0440.01215.78
7.0.70.0430.01215.72
7.0.60.0880.00515.68
7.0.50.0470.01015.71
7.0.40.0870.00814.64
7.0.30.0730.01614.77
7.0.20.0770.01014.77
7.0.10.0700.01114.71
7.0.00.0530.01114.74
5.6.400.0080.00615.95
5.6.390.0040.00816.16
5.6.380.0100.00615.69
5.6.370.0100.00316.12
5.6.360.0080.00915.56
5.6.350.0090.00615.88
5.6.340.0060.01215.85
5.6.330.0070.00415.85
5.6.320.0070.00715.82
5.6.310.0100.00716.12
5.6.300.0090.00915.84
5.6.290.0030.01016.09
5.6.280.0060.00915.89
5.6.270.0040.00815.79
5.6.260.0090.00615.82
5.6.250.0070.00715.86
5.6.240.0030.00616.13
5.6.230.0080.00815.67
5.6.220.0030.00716.01
5.6.210.0100.00315.80
5.6.200.0070.00715.79
5.6.190.0060.00615.77
5.6.180.0070.00715.85
5.6.170.0080.00316.07
5.6.160.0120.00015.68
5.6.150.0040.00715.86
5.6.140.0060.00315.96
5.6.130.0070.00415.77
5.6.120.0060.00315.73
5.6.110.0030.01215.76
5.6.100.0070.00715.64
5.6.90.0000.01315.69
5.6.80.0070.01015.97
5.6.70.0040.01115.79
5.6.60.0060.00915.68
5.6.50.0030.01416.03
5.6.40.0100.00715.52
5.6.30.0070.01015.68
5.6.20.0030.00715.71
5.6.10.0080.00815.62
5.6.00.0040.01215.51

preferences:
44.02 ms | 401 KiB | 5 Q