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]; 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)
8.3.60.0040.01118.68
8.3.50.0080.00816.30
8.3.40.0110.00718.79
8.3.30.0070.00718.85
8.3.20.0000.00820.90
8.3.10.0050.00321.78
8.3.00.0080.00019.66
8.2.180.0150.00316.63
8.2.170.0170.00022.96
8.2.160.0100.00320.36
8.2.150.0040.00425.66
8.2.140.0080.00024.66
8.2.130.0070.00020.39
8.2.120.0000.00726.35
8.2.110.0100.00019.39
8.2.100.0040.00817.91
8.2.90.0030.00619.16
8.2.80.0080.00017.97
8.2.70.0040.00417.47
8.2.60.0040.00417.93
8.2.50.0000.00818.10
8.2.40.0040.00422.41
8.2.30.0040.00419.18
8.2.20.0000.00818.12
8.2.10.0030.00618.05
8.2.00.0000.00718.15
8.1.280.0100.00625.92
8.1.270.0000.00821.88
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00622.14
8.1.230.0040.00817.52
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0040.00417.22
8.1.180.0050.00318.10
8.1.170.0050.00318.41
8.1.160.0000.00819.05
8.1.150.0080.00020.57
8.1.140.0030.00619.55
8.1.130.0050.00318.82
8.1.120.0000.00917.36
8.1.110.0070.00017.28
8.1.100.0040.00417.41
8.1.90.0000.00717.50
8.1.80.0060.00317.49
8.1.70.0030.00317.48
8.1.60.0040.00417.56
8.1.50.0030.00517.37
8.1.40.0030.00617.50
8.1.30.0050.00317.66
8.1.20.0000.00917.64
8.1.10.0040.00417.55
8.1.00.0030.00517.39
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0030.00318.38
8.0.270.0030.00317.19
8.0.260.0000.00616.72
8.0.250.0060.00016.85
8.0.240.0040.00416.95
8.0.230.0080.00017.04
8.0.220.0060.00016.89
8.0.210.0070.00316.84
8.0.200.0060.00316.92
8.0.190.0000.00916.94
8.0.180.0050.00316.92
8.0.170.0070.00016.93
8.0.160.0000.00716.98
8.0.150.0040.00416.93
8.0.140.0000.00816.82
8.0.130.0060.00013.35
8.0.120.0060.00316.85
8.0.110.0030.00516.85
8.0.100.0040.00416.91
8.0.90.0070.00016.78
8.0.80.0060.00916.85
8.0.70.0040.00416.87
8.0.60.0000.00816.76
8.0.50.0040.00416.93
8.0.30.0120.00616.95
8.0.20.0120.01017.40
8.0.10.0070.00017.11
8.0.00.0060.01216.95
7.4.330.0000.00515.55
7.4.320.0030.00316.48
7.4.300.0000.00716.41
7.4.290.0030.00316.49
7.4.280.0000.00816.41
7.4.270.0000.00716.54
7.4.260.0000.00513.21
7.4.250.0040.00416.39
7.4.240.0070.00016.59
7.4.230.0030.00316.34
7.4.220.0030.01416.42
7.4.210.0100.00716.58
7.4.200.0030.00316.44
7.4.160.0070.01216.49
7.4.150.0060.01217.40
7.4.140.0090.01117.86
7.4.130.0040.01516.54
7.4.120.0080.01416.51
7.4.110.0030.01516.54
7.4.100.0090.00916.54
7.4.90.0030.01316.58
7.4.80.0080.00819.39
7.4.70.0100.00616.63
7.4.60.0110.00616.43
7.4.50.0120.00316.45
7.4.40.0030.01316.59
7.4.30.0090.00616.65
7.4.10.0190.00016.56
7.4.00.0040.01215.52
7.3.330.0030.00313.22
7.3.320.0030.00313.26
7.3.310.0000.00716.19
7.3.300.0030.00316.16
7.3.290.0000.00716.18
7.3.280.0100.00716.28
7.3.270.0120.00617.40
7.3.260.0080.01316.45
7.3.250.0100.00916.47
7.3.240.0060.01116.39
7.3.230.0160.00716.48
7.3.210.0070.01016.36
7.3.200.0060.01016.60
7.3.190.0060.01116.50
7.3.180.0120.00416.43
7.3.170.0110.00716.41
7.3.160.0110.00516.37
7.3.130.0140.00716.23
7.3.120.0100.01015.51
7.3.110.0070.01115.59
7.3.100.0110.00615.48
7.3.90.0080.00915.53
7.3.80.0060.00715.61
7.3.70.0080.00815.61
7.3.60.0100.00615.58
7.3.50.0010.01215.56
7.3.40.0040.00915.45
7.3.30.0080.00615.53
7.3.20.0090.00717.35
7.3.10.0070.00517.03
7.3.00.0080.00616.98
7.2.330.0090.00916.63
7.2.320.0130.00716.82
7.2.310.0100.00616.33
7.2.300.0090.00916.47
7.2.290.0060.00916.57
7.2.260.0030.01716.48
7.2.250.0070.01315.95
7.2.240.0120.01015.83
7.2.230.0070.01115.76
7.2.220.0110.00815.86
7.2.210.0040.01215.82
7.2.200.0030.00915.77
7.2.190.0030.01315.92
7.2.180.0090.00515.73
7.2.170.0040.01215.82
7.2.160.0100.00716.51
7.2.150.0070.01418.48
7.2.140.0160.00418.29
7.2.130.0090.00617.40
7.2.120.0080.00717.42
7.2.110.0060.00917.43
7.2.100.0080.00917.33
7.2.90.0050.00917.39
7.2.80.0050.00817.25
7.2.70.0050.00817.45
7.2.60.0050.00917.27
7.2.50.0020.00917.35
7.2.40.0060.00817.48
7.2.30.0040.00917.45
7.2.20.0090.00717.42
7.2.10.0020.01417.40
7.2.00.0060.00717.30
7.1.330.0040.01316.47
7.1.320.0060.00916.46
7.1.310.0060.00716.55
7.1.300.0030.01016.52
7.1.290.0070.00916.48
7.1.280.0050.00916.65
7.1.270.0050.01216.60
7.1.260.0090.00516.35
7.1.250.0040.00816.31
7.1.240.0060.01117.39
7.1.230.0100.00617.34
7.1.220.0000.01517.43
7.1.210.0080.00617.29
7.1.200.0080.00616.46
7.1.190.0030.01117.35
7.1.180.0070.00717.44
7.1.170.0030.00917.07
7.1.160.0070.01016.93
7.1.150.0060.00917.39
7.1.140.0080.00817.32
7.1.130.0030.01317.20
7.1.120.0030.01217.21
7.1.110.0030.00717.38
7.1.100.0050.01017.64
7.1.90.0000.01117.33
7.1.80.0030.01217.44
7.1.70.0050.00717.25
7.1.60.0070.00717.16
7.1.50.0060.00816.93
7.1.40.0050.00817.10
7.1.30.0040.01416.89
7.1.20.0050.00916.99
7.1.10.0040.00916.97
7.1.00.0060.00416.87
7.0.330.0070.00717.06
7.0.320.0030.01017.04
7.0.310.0000.01217.04
7.0.300.0070.00717.07
7.0.290.0090.00616.96
7.0.280.0120.00317.13
7.0.270.0030.01017.12
7.0.260.0070.01016.88
7.0.250.0030.01016.86
7.0.240.0060.01217.07
7.0.230.0110.00417.11
7.0.220.0080.00517.02
7.0.210.0040.01216.84
7.0.200.0090.00316.95
7.0.190.0030.00716.76
7.0.180.0030.00716.57
7.0.170.0050.00916.65
7.0.160.0000.01316.56
7.0.150.0020.00916.65
7.0.140.0050.00516.71
7.0.130.0000.01116.78
7.0.120.0020.00816.85
7.0.110.0020.00716.72
7.0.100.0040.00716.69
7.0.90.0030.00716.60
7.0.80.0030.00816.80
7.0.70.0020.00916.63
7.0.60.0070.00416.55
7.0.50.0050.00616.55
7.0.40.0030.00715.28
7.0.30.0020.00815.25
7.0.20.0020.00915.24
7.0.10.0050.00515.29
7.0.00.0020.00915.30
5.6.400.0080.00615.82
5.6.390.0140.00015.98
5.6.380.0060.00915.87
5.6.370.0070.01016.18
5.6.360.0070.01016.00
5.6.350.0000.01515.59
5.6.340.0030.01015.99
5.6.330.0100.00015.65
5.6.320.0150.00015.79
5.6.310.0030.01415.93
5.6.300.0100.00615.79
5.6.290.0080.00616.02
5.6.280.0040.01115.75
5.6.270.0110.00416.11
5.6.260.0090.00615.90
5.6.250.0110.00415.93
5.6.240.0100.00716.16
5.6.230.0110.00415.75
5.6.220.0060.00315.97
5.6.210.0000.01415.90
5.6.200.0060.01015.88
5.6.190.0080.00415.78
5.6.180.0060.00915.72
5.6.170.0030.01015.88
5.6.160.0130.00315.63
5.6.150.0070.01016.08
5.6.140.0100.00715.84
5.6.130.0070.00715.89
5.6.120.0060.00915.79
5.6.110.0150.00015.63
5.6.100.0130.00315.81
5.6.90.0090.00615.82
5.6.80.0100.00316.04
5.6.70.0040.01115.55
5.6.60.0080.00315.64
5.6.50.0070.01015.79
5.6.40.0030.01015.71
5.6.30.0040.00815.84
5.6.20.0110.00715.66
5.6.10.0040.01415.80
5.6.00.0060.00915.81

preferences:
40.33 ms | 400 KiB | 5 Q