3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { protected $a = 0; } $a = new A(); $b = (object)[chr(0) . '*' . chr(0) . 'a' => 1]; //echo $a->{chr(0) . '*' . chr(0) . 'a'}; echo $b->{chr(0) . '*' . 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)
8.3.70.0100.01016.63
8.3.60.0120.00918.29
8.3.50.0110.00817.42
8.3.40.0130.00318.80
8.3.30.0070.00718.66
8.3.20.0070.00021.71
8.3.10.0070.00023.66
8.3.00.0040.00419.22
8.2.190.0030.01416.63
8.2.180.0060.00918.54
8.2.170.0110.01122.96
8.2.160.0100.00322.02
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00420.35
8.2.120.0000.00826.35
8.2.110.0040.00419.27
8.2.100.0080.00317.84
8.2.90.0040.00420.63
8.2.80.0040.00417.97
8.2.70.0040.00418.04
8.2.60.0000.00818.00
8.2.50.0040.00418.10
8.2.40.0070.00020.60
8.2.30.0000.00719.23
8.2.20.0100.00018.06
8.2.10.0040.00417.97
8.2.00.0070.00018.17
8.1.280.0040.01125.92
8.1.270.0080.00023.77
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0110.00021.63
8.1.230.0070.00420.89
8.1.220.0060.00317.74
8.1.210.0050.00518.79
8.1.200.0030.00617.35
8.1.190.0090.00017.10
8.1.180.0050.00318.10
8.1.170.0030.00518.38
8.1.160.0040.00418.80
8.1.150.0040.00418.70
8.1.140.0040.00419.52
8.1.130.0080.00018.80
8.1.120.0000.00717.43
8.1.110.0040.00417.28
8.1.100.0050.00217.36
8.1.90.0030.00517.37
8.1.80.0030.00417.47
8.1.70.0050.00317.43
8.1.60.0030.00517.51
8.1.50.0000.00717.42
8.1.40.0000.00817.51
8.1.30.0000.00717.61
8.1.20.0000.00717.68
8.1.10.0000.00817.59
8.1.00.0080.00017.40
8.0.300.0030.00619.91
8.0.290.0050.00216.75
8.0.280.0000.00718.40
8.0.270.0000.00717.16
8.0.260.0030.00318.65
8.0.250.0000.00716.99
8.0.240.0040.00416.97
8.0.230.0030.00316.87
8.0.220.0000.00716.78
8.0.210.0040.00416.87
8.0.200.0000.00616.98
8.0.190.0050.00316.86
8.0.180.0040.00416.86
8.0.170.0000.00716.79
8.0.160.0030.00616.88
8.0.150.0050.00316.88
8.0.140.0040.00416.82
8.0.130.0030.00313.32
8.0.120.0040.00416.86
8.0.110.0000.00716.79
8.0.100.0070.00016.88
8.0.90.0030.00316.96
8.0.80.0120.00316.88
8.0.70.0000.00716.81
8.0.60.0000.00816.73
8.0.50.0040.00416.80
8.0.30.0100.00717.16
8.0.20.0080.01217.40
8.0.10.0000.00717.16
8.0.00.0110.00816.77
7.4.330.0000.00615.55
7.4.320.0030.00316.56
7.4.300.0000.00616.61
7.4.290.0070.00016.64
7.4.280.0090.00016.61
7.4.270.0000.00716.43
7.4.260.0000.00513.22
7.4.250.0050.00316.55
7.4.240.0000.00716.54
7.4.230.0070.00016.42
7.4.220.0090.01216.51
7.4.210.0000.01716.59
7.4.200.0070.00016.70
7.4.160.0080.00816.62
7.4.150.0090.00917.40
7.4.140.0120.00517.86
7.4.130.0150.00416.73
7.4.120.0090.00916.54
7.4.110.0070.01016.47
7.4.100.0070.01016.44
7.4.90.0030.01516.56
7.4.80.0140.00419.39
7.4.70.0030.01416.48
7.4.60.0120.00316.56
7.4.50.0070.01116.68
7.4.40.0130.00316.63
7.4.30.0120.00416.54
7.4.00.0070.00914.97
7.3.330.0030.00313.14
7.3.320.0000.00513.31
7.3.310.0000.00816.40
7.3.300.0000.00616.28
7.3.290.0070.01016.25
7.3.280.0090.00816.26
7.3.270.0130.00417.40
7.3.260.0090.00916.47
7.3.250.0120.00916.45
7.3.240.0080.00816.46
7.3.230.0080.00816.43
7.3.210.0190.01216.40
7.3.200.0110.00616.35
7.3.190.0080.01216.29
7.3.180.0170.00316.36
7.3.170.0130.00316.43
7.3.160.0130.00316.41
7.3.120.0090.00614.72
7.3.110.0060.01214.62
7.3.100.0090.00514.91
7.3.90.0060.00514.72
7.3.80.0070.00514.97
7.3.70.0020.01114.95
7.3.60.0020.00814.70
7.3.50.0030.00914.72
7.3.40.0060.01014.76
7.3.30.0000.01014.76
7.3.20.0050.00916.60
7.3.10.0060.00516.71
7.3.00.0050.00716.67
7.2.330.0100.00716.57
7.2.320.0000.01616.80
7.2.310.0040.01216.35
7.2.300.0070.01116.82
7.2.290.0100.00616.36
7.2.250.0080.00814.76
7.2.240.0080.01014.97
7.2.230.0050.00814.85
7.2.220.0030.00914.87
7.2.210.0060.00615.17
7.2.200.0080.00814.99
7.2.190.0050.01015.08
7.2.180.0070.01214.88
7.2.170.0050.01015.04
7.2.130.0030.01316.67
7.2.120.0060.00616.88
7.2.110.0100.00716.72
7.2.100.0040.00716.98
7.2.90.0030.01316.98
7.2.80.0030.01217.07
7.2.70.0030.00616.72
7.2.60.0130.00716.87
7.2.50.0080.00616.81
7.2.40.0060.00916.66
7.2.30.0040.01216.88
7.2.20.0030.01216.90
7.2.10.0050.00516.77
7.2.00.0030.00818.06
7.1.330.0070.00615.84
7.1.320.0060.00515.86
7.1.310.0080.00715.73
7.1.300.0080.00615.79
7.1.290.0060.00815.62
7.1.280.0000.01115.89
7.1.270.0040.00615.89
7.1.260.0080.00615.81
7.1.250.0070.00715.96
7.1.200.0030.01215.81
7.1.70.0040.00417.14
7.1.60.0630.01033.28
7.1.50.0630.01333.06
7.1.40.0700.01332.47
7.1.30.0700.02032.40
7.1.20.0730.00732.85
7.1.10.0770.01014.71
7.1.00.0570.01014.82
7.0.200.1770.01314.86
7.0.190.0530.01015.01
7.0.180.0570.00314.48
7.0.170.0530.01014.43
7.0.160.0600.00714.59
7.0.150.0530.01014.41
7.0.140.0670.01014.51
7.0.130.0600.01014.77
7.0.120.0630.01314.77
7.0.110.0700.00714.24
7.0.100.0570.01014.29
7.0.90.0600.01314.59
7.0.80.0670.00714.41
7.0.70.0500.01014.41
7.0.60.0570.00314.17
7.0.50.0600.00014.52
7.0.40.0570.00714.50
7.0.30.0530.00714.57
7.0.20.0670.01014.68
7.0.10.0530.01014.58
7.0.00.0570.00714.68

preferences:
16.36 ms | 404 KiB | 6 Q