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)
8.3.60.0070.01118.43
8.3.50.0120.00916.26
8.3.40.0130.00618.83
8.3.30.0110.00418.44
8.3.20.0070.00021.91
8.3.10.0040.00421.95
8.3.00.0080.00018.77
8.2.180.0090.00925.92
8.2.170.0070.00718.88
8.2.160.0100.00522.96
8.2.150.0080.00025.66
8.2.140.0070.00024.66
8.2.130.0070.00020.35
8.2.120.0080.00026.35
8.2.110.0030.00622.29
8.2.100.0080.00417.97
8.2.90.0080.00017.75
8.2.80.0060.00318.91
8.2.70.0030.00517.93
8.2.60.0030.00617.63
8.2.50.0000.00817.75
8.2.40.0000.00819.35
8.2.30.0040.00419.29
8.2.20.0060.00317.90
8.2.10.0000.00718.10
8.2.00.0000.00717.92
8.1.280.0140.00725.92
8.1.270.0040.00421.95
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0050.00524.01
8.1.230.0110.00019.04
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0050.00317.25
8.1.190.0060.00317.35
8.1.180.0040.00418.10
8.1.170.0060.00317.62
8.1.160.0000.00818.73
8.1.150.0000.00818.87
8.1.140.0040.00419.56
8.1.130.0000.00717.29
8.1.120.0040.00417.41
8.1.110.0040.00417.39
8.1.100.0030.00417.39
8.1.90.0000.00717.34
8.1.80.0050.00317.38
8.1.70.0030.00617.43
8.1.60.0040.00417.62
8.1.50.0040.00417.47
8.1.40.0080.00017.48
8.1.30.0040.00417.69
8.1.20.0000.00817.65
8.1.10.0000.00817.64
8.1.00.0030.00517.46
8.0.300.0050.00218.77
8.0.290.0000.00716.75
8.0.280.0070.00018.39
8.0.270.0000.00717.15
8.0.260.0000.00816.73
8.0.250.0030.00316.86
8.0.240.0040.00416.86
8.0.230.0040.00416.81
8.0.220.0070.00016.79
8.0.210.0070.00016.87
8.0.200.0030.00316.86
8.0.190.0060.00316.96
8.0.180.0040.00416.94
8.0.170.0000.00716.89
8.0.160.0070.00016.85
8.0.150.0030.00416.88
8.0.140.0050.00316.84
8.0.130.0050.00013.38
8.0.120.0000.00816.86
8.0.110.0040.00416.90
8.0.100.0000.00716.71
8.0.90.0020.00516.95
8.0.80.0070.00716.94
8.0.70.0000.00816.75
8.0.60.0070.00016.97
8.0.50.0000.00816.83
8.0.30.0090.00717.00
8.0.20.0110.00917.40
8.0.10.0070.00017.02
8.0.00.0130.01017.00
7.4.330.0000.00615.55
7.4.320.0030.00316.60
7.4.300.0030.00316.45
7.4.290.0030.00316.59
7.4.280.0000.00816.60
7.4.270.0000.00716.39
7.4.260.0050.00013.23
7.4.250.0050.00216.36
7.4.240.0000.00916.61
7.4.230.0040.00416.53
7.4.220.0100.01016.40
7.4.210.0150.00016.44
7.4.200.0000.00716.50
7.4.160.0090.00816.56
7.4.150.0060.01117.40
7.4.140.0100.01017.86
7.4.130.0060.01316.42
7.4.120.0100.01016.53
7.4.110.0140.00616.52
7.4.100.0130.00316.57
7.4.90.0120.00616.58
7.4.80.0120.01219.39
7.4.70.0140.00316.50
7.4.60.0070.00716.54
7.4.50.0100.00616.55
7.4.40.0120.00316.59
7.4.30.0160.00016.48
7.4.10.0060.01214.69
7.4.00.0080.00814.74
7.3.330.0030.00313.36
7.3.320.0050.00013.29
7.3.310.0000.00716.25
7.3.300.0070.00016.21
7.3.290.0050.01016.29
7.3.280.0110.00716.27
7.3.270.0180.00017.40
7.3.260.0070.01016.34
7.3.250.0060.01416.36
7.3.240.0130.00316.47
7.3.230.0060.01016.29
7.3.210.0030.01716.42
7.3.200.0110.00616.41
7.3.190.0110.00816.51
7.3.180.0060.00916.49
7.3.170.0030.01316.30
7.3.160.0150.00016.40
7.3.130.0040.01414.93
7.3.120.0030.01514.77
7.3.110.0110.00714.80
7.3.100.0060.00914.87
7.3.90.0030.01014.63
7.3.80.0110.00414.88
7.3.70.0030.01314.67
7.3.60.0030.00914.85
7.3.50.0030.01014.68
7.3.40.0090.00614.82
7.3.30.0070.00714.79
7.3.20.0080.00416.51
7.3.10.0040.00816.48
7.3.00.0090.00516.40
7.2.330.0110.00616.60
7.2.320.0030.01316.48
7.2.310.0100.00716.70
7.2.300.0100.01016.44
7.2.290.0090.00916.78
7.2.260.0130.00314.88
7.2.250.0040.01115.30
7.2.240.0110.00415.34
7.2.230.0070.00715.01
7.2.220.0030.01314.98
7.2.210.0000.01515.09
7.2.200.0100.00314.67
7.2.190.0030.00615.09
7.2.180.0000.01614.86
7.2.170.0070.00715.09
7.2.160.0000.01014.87
7.2.150.0030.00616.91
7.2.140.0100.00716.93
7.2.130.0100.00416.71
7.2.120.0040.00916.72
7.2.110.0070.00916.63
7.2.100.0070.00716.71
7.2.90.0090.00716.76
7.2.80.0090.00716.78
7.2.70.0100.00316.74
7.2.60.0140.00816.79
7.2.50.0090.00616.70
7.2.40.0060.00916.72
7.2.30.0080.00716.82
7.2.20.0090.00616.86
7.2.10.0080.00716.78
7.2.00.0090.00617.28
7.1.330.0070.00715.87
7.1.320.0060.01015.45
7.1.310.0030.01315.84
7.1.300.0000.00815.65
7.1.290.0080.00315.48
7.1.280.0090.00415.61
7.1.270.0040.00715.64
7.1.260.0040.00815.77
7.1.250.0100.00515.61
7.1.240.0060.00715.73
7.1.230.0030.01015.68
7.1.220.0080.00315.66
7.1.210.0120.00215.54
7.1.200.0060.00615.67
7.1.190.0060.00815.64
7.1.180.0060.00815.76
7.1.170.0070.00615.66
7.1.160.0040.00915.59
7.1.150.0080.00515.73
7.1.140.0070.00715.67
7.1.130.0070.00715.62
7.1.120.0100.00615.61
7.1.110.0060.00715.64
7.1.100.0040.01015.58
7.1.90.0080.00615.79
7.1.80.0070.01015.83
7.1.70.0040.00916.04
7.1.60.0220.00519.16
7.1.50.0220.00519.15
7.1.40.0170.00819.12
7.1.30.0210.00518.98
7.1.20.0210.00918.89
7.1.10.0280.00415.46
7.1.00.0170.00715.58
7.0.330.0090.00515.13
7.0.320.0070.00615.28
7.0.310.0050.00815.15
7.0.300.0090.00615.19
7.0.290.0080.00615.25
7.0.280.0050.00815.23
7.0.270.0070.00615.18
7.0.260.0040.01015.17
7.0.250.0080.00615.03
7.0.240.0100.00615.32
7.0.230.0090.00615.41
7.0.220.0060.00915.29
7.0.210.0100.00515.23
7.0.200.0190.00615.20
7.0.190.0350.00715.28
7.0.180.0180.00815.05
7.0.170.0230.00515.16
7.0.160.0240.00814.93
7.0.150.0200.00614.92
7.0.140.0200.00815.08
7.0.130.0200.00515.23
7.0.120.0150.00915.14
7.0.110.0150.00715.14
7.0.100.0150.01015.07
7.0.90.0200.01015.00
7.0.80.0200.00715.12
7.0.70.0240.00615.13
7.0.60.0190.00715.14
7.0.50.0160.00915.12
7.0.40.0130.00913.64
7.0.30.0130.01013.50
7.0.20.0160.00713.58
7.0.10.0160.00513.57
7.0.00.0150.00713.53
5.6.400.0030.01014.26
5.6.390.0050.00514.58
5.6.380.0040.00914.30
5.6.370.0120.00314.51
5.6.360.0000.01514.61
5.6.350.0040.01114.44
5.6.340.0030.01414.27
5.6.330.0090.00614.49
5.6.320.0000.01214.58
5.6.310.0060.00914.33
5.6.300.0070.01114.22
5.6.290.0120.00314.20
5.6.280.0110.00814.66
5.6.270.0030.01214.44
5.6.260.0090.00614.15
5.6.250.0000.00914.27
5.6.240.0140.00314.20
5.6.230.0030.01014.68
5.6.220.0110.00414.11
5.6.210.0070.00714.57
5.6.200.0000.01514.01
5.6.190.0030.01014.60
5.6.180.0090.00314.11
5.6.170.0000.01414.25
5.6.160.0080.00814.30
5.6.150.0060.00914.33
5.6.140.0060.00914.26
5.6.130.0110.00014.13
5.6.120.0040.00714.32
5.6.110.0090.00614.41
5.6.100.0060.00614.22
5.6.90.0110.00314.28
5.6.80.0070.00714.09
5.6.70.0110.00414.20
5.6.60.0040.01114.20
5.6.50.0000.01114.25
5.6.40.0000.01014.23
5.6.30.0130.00314.30
5.6.20.0090.00014.25
5.6.10.0000.01014.43
5.6.00.0080.00614.18

preferences:
146.51 ms | 401 KiB | 5 Q