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) . '*' . 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)
8.3.70.0190.00016.63
8.3.60.0140.00418.68
8.3.50.0050.01016.65
8.3.40.0110.00418.70
8.3.30.0120.00318.61
8.3.20.0080.00020.91
8.3.10.0040.00421.78
8.3.00.0080.00019.47
8.2.180.0070.01118.42
8.2.170.0130.00722.96
8.2.160.0030.01020.57
8.2.150.0000.00825.66
8.2.140.0040.00424.66
8.2.130.0100.00320.29
8.2.120.0140.00026.35
8.2.110.0100.00720.38
8.2.100.0120.00017.91
8.2.90.0030.00519.05
8.2.80.0090.00017.97
8.2.70.0000.00817.63
8.2.60.0090.00018.05
8.2.50.0040.00418.10
8.2.40.0040.00420.43
8.2.30.0040.00419.11
8.2.20.0000.00718.05
8.2.10.0070.00018.08
8.2.00.0040.00418.02
8.1.280.0080.00625.92
8.1.270.0000.00822.20
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0030.00620.84
8.1.230.0070.00419.10
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0030.00517.23
8.1.180.0060.00318.10
8.1.170.0040.00418.50
8.1.160.0000.00718.93
8.1.150.0040.00420.61
8.1.140.0070.00319.54
8.1.130.0040.00418.73
8.1.120.0060.00317.43
8.1.110.0030.00517.43
8.1.100.0000.00817.45
8.1.90.0070.00017.31
8.1.80.0100.00017.34
8.1.70.0030.00317.51
8.1.60.0000.00817.56
8.1.50.0060.00317.57
8.1.40.0030.00617.58
8.1.30.0090.00017.54
8.1.20.0040.00817.62
8.1.10.0040.00417.58
8.1.00.0040.00417.48
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.33
8.0.270.0030.00317.18
8.0.260.0030.00316.82
8.0.250.0050.00217.02
8.0.240.0050.00316.97
8.0.230.0000.00716.93
8.0.220.0030.00316.92
8.0.210.0050.00216.82
8.0.200.0030.00616.86
8.0.190.0040.00416.92
8.0.180.0070.00016.94
8.0.170.0030.00316.92
8.0.160.0050.00216.98
8.0.150.0030.00316.71
8.0.140.0040.00416.89
8.0.130.0050.00013.34
8.0.120.0030.00716.79
8.0.110.0040.00416.93
8.0.100.0040.00416.95
8.0.90.0070.00016.77
8.0.80.0130.00716.93
8.0.70.0060.00316.73
8.0.60.0080.00017.00
8.0.50.0050.00216.93
8.0.30.0100.00717.19
8.0.20.0100.01017.40
8.0.10.0040.00417.14
8.0.00.0080.00816.64
7.4.330.0020.00215.55
7.4.320.0000.00616.50
7.4.300.0060.00016.48
7.4.290.0030.00316.59
7.4.280.0000.00716.63
7.4.270.0030.00316.63
7.4.260.0050.00013.21
7.4.250.0050.00316.54
7.4.240.0000.00716.61
7.4.230.0000.00716.50
7.4.220.0160.00316.54
7.4.210.0070.01016.54
7.4.200.0000.00716.39
7.4.160.0130.00616.54
7.4.150.0090.00917.40
7.4.140.0130.00817.86
7.4.130.0090.01516.56
7.4.120.0120.00916.62
7.4.110.0080.01616.38
7.4.100.0100.00716.50
7.4.90.0060.01616.52
7.4.80.0070.01019.39
7.4.70.0090.00916.58
7.4.60.0060.00916.40
7.4.50.0040.00816.27
7.4.40.0110.01116.26
7.4.30.0080.01216.48
7.4.10.0090.00714.96
7.4.00.0070.01014.86
7.3.330.0030.00313.15
7.3.320.0070.00013.26
7.3.310.0000.00716.40
7.3.300.0050.00216.34
7.3.290.0040.00416.17
7.3.280.0090.00916.29
7.3.270.0100.00717.40
7.3.260.0100.00616.42
7.3.250.0080.01316.38
7.3.240.0110.00616.42
7.3.230.0090.01216.33
7.3.210.0100.00716.42
7.3.200.0130.01016.35
7.3.190.0060.00916.38
7.3.180.0090.01316.23
7.3.170.0030.01316.40
7.3.160.0070.01016.49
7.3.130.0110.00514.90
7.3.120.0070.01014.75
7.3.110.0080.00914.80
7.3.100.0040.01014.70
7.3.90.0070.00814.77
7.3.80.0080.00614.87
7.3.70.0060.00814.66
7.3.60.0040.00914.70
7.3.50.0050.00814.72
7.3.40.0060.00614.68
7.3.30.0040.01014.66
7.3.20.0050.00916.55
7.3.10.0040.01016.52
7.3.00.0100.00916.53
7.2.330.0110.00616.47
7.2.320.0120.00616.52
7.2.310.0040.01116.49
7.2.300.0120.00616.58
7.2.290.0060.01016.34
7.2.260.0060.01115.08
7.2.250.0100.00714.91
7.2.240.0050.01115.16
7.2.230.0060.01114.97
7.2.220.0100.00415.14
7.2.210.0070.00814.93
7.2.200.0080.00515.02
7.2.190.0100.00415.03
7.2.180.0040.00915.09
7.2.170.0060.00814.99
7.2.160.0080.00714.92
7.2.150.0050.01116.85
7.2.140.0060.00816.89
7.2.130.0120.00716.85
7.2.120.0120.00816.81
7.2.110.0110.00816.73
7.2.100.0120.00816.80
7.2.90.0130.00716.89
7.2.80.0170.01016.87
7.2.70.0140.00916.91
7.2.60.0150.00716.79
7.2.50.0110.00716.85
7.2.40.0110.01016.95
7.2.30.0120.00716.78
7.2.20.0210.00716.88
7.2.10.0160.00716.84
7.2.00.0110.00917.14
7.1.330.0050.00915.83
7.1.320.0090.00615.70
7.1.310.0070.00515.67
7.1.300.0050.00815.75
7.1.290.0060.00815.57
7.1.280.0050.00815.66
7.1.270.0060.00715.74
7.1.260.0060.00915.71
7.1.250.0110.00715.75
7.1.240.0060.00315.75
7.1.230.0050.01315.73
7.1.220.0020.01315.69
7.1.210.0060.00615.75
7.1.200.0100.00415.68
7.1.190.0050.00915.75
7.1.180.0080.00715.75
7.1.170.0020.01215.75
7.1.160.0080.00715.79
7.1.150.0080.00515.85
7.1.140.0070.00715.78
7.1.130.0060.00715.77
7.1.120.0040.01115.82
7.1.110.0020.01115.82
7.1.100.0080.00516.40
7.1.90.0030.01215.88
7.1.80.0050.00915.79
7.1.70.0040.00716.19
7.1.60.0780.01221.57
7.1.50.0670.01021.52
7.1.40.0930.01221.47
7.1.30.1070.01321.30
7.1.20.0830.01621.35
7.1.10.0920.01015.41
7.1.00.0970.01015.41
7.0.330.0040.00615.51
7.0.320.0060.00815.36
7.0.310.0090.00615.25
7.0.300.0040.00515.32
7.0.290.0050.00915.39
7.0.280.0050.00615.32
7.0.270.0090.00415.47
7.0.260.0030.00715.46
7.0.250.0040.01315.36
7.0.240.0050.01115.28
7.0.230.0030.01115.50
7.0.220.0070.00515.36
7.0.210.0020.00915.30
7.0.200.1030.01415.29
7.0.190.0940.00915.32
7.0.180.0890.01115.08
7.0.170.0180.01015.12
7.0.160.0750.01415.01
7.0.150.0750.01115.03
7.0.140.0810.01215.07
7.0.130.0860.00715.12
7.0.120.0920.01015.09
7.0.110.0770.00915.03
7.0.100.0670.00815.04
7.0.90.1070.00914.97
7.0.80.1030.01215.21
7.0.70.1040.01215.12
7.0.60.1050.00715.02
7.0.50.0670.01015.22
7.0.40.0780.01013.74
7.0.30.1440.00913.66
7.0.20.1390.00713.85
7.0.10.1370.00913.75
7.0.00.1160.00813.77
5.6.400.0070.00414.17
5.6.390.0070.00414.31
5.6.380.0030.01214.30
5.6.370.0060.00514.25
5.6.360.0070.00714.44
5.6.350.0050.00414.40
5.6.340.0070.00414.41
5.6.330.0030.00914.08
5.6.320.0030.01214.43
5.6.310.0050.00414.13
5.6.300.0050.00714.32
5.6.290.0050.00714.52
5.6.280.0020.01214.37
5.6.270.0050.00914.59
5.6.260.0050.00514.42
5.6.250.0050.00914.47
5.6.240.0060.01014.37
5.6.230.0050.00714.36
5.6.220.0060.00714.31
5.6.210.0050.01014.28
5.6.200.0020.01414.36
5.6.190.0050.00814.19
5.6.180.0030.01014.27
5.6.170.0090.00614.20
5.6.160.0050.00614.44
5.6.150.0050.00714.22
5.6.140.0110.00314.31
5.6.130.0060.00514.31
5.6.120.0110.00314.23
5.6.110.0030.01214.46
5.6.100.0030.01214.25
5.6.90.0070.00714.20
5.6.80.0020.00714.14
5.6.70.0050.00914.18
5.6.60.0070.00714.14
5.6.50.0020.01114.27
5.6.40.0030.00814.09
5.6.30.0070.00814.27
5.6.20.0100.00614.10
5.6.10.0040.00914.18
5.6.00.0040.00914.17

preferences:
47.87 ms | 401 KiB | 5 Q