3v4l.org

run code in 300+ PHP versions simultaneously
<?php $o = new stdClass; $o->{$name = " \x0"} = 'a'; var_dump(array($name, $o->{" "}, $o->$name));

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)
8.3.60.0110.00418.54
8.3.50.0170.00721.14
8.3.40.0100.01018.82
8.3.30.0080.00619.97
8.3.20.0060.00318.57
8.3.10.0040.00420.86
8.3.00.0040.00423.53
8.2.180.0110.00716.63
8.2.170.0060.01022.96
8.2.160.0100.00320.39
8.2.150.0030.00524.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0000.00820.07
8.2.110.0090.00022.10
8.2.100.0070.00417.68
8.2.90.0000.00819.40
8.2.80.0000.00719.17
8.2.70.0080.00017.50
8.2.60.0030.00517.93
8.2.50.0040.00418.07
8.2.40.0000.00818.28
8.2.30.0000.00719.38
8.2.20.0040.00417.64
8.2.10.0040.00417.80
8.2.00.0040.00417.68
8.1.280.0140.00725.92
8.1.270.0020.00523.99
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.52
8.1.230.0110.00020.90
8.1.220.0080.00018.77
8.1.210.0000.00918.89
8.1.200.0060.00317.48
8.1.190.0000.00917.50
8.1.180.0040.00418.10
8.1.170.0030.00518.55
8.1.160.0000.00718.86
8.1.150.0040.00418.62
8.1.140.0030.00617.45
8.1.130.0030.00317.82
8.1.120.0050.00317.34
8.1.110.0040.00417.31
8.1.100.0050.00217.31
8.1.90.0030.00517.51
8.1.80.0000.00717.52
8.1.70.0050.00317.42
8.1.60.0040.00417.61
8.1.50.0000.00817.50
8.1.40.0030.00617.39
8.1.30.0060.00317.67
8.1.20.0000.00817.59
8.1.10.0050.00217.58
8.1.00.0000.00717.41
8.0.300.0070.00019.89
8.0.290.0000.00917.14
8.0.280.0070.00018.35
8.0.270.0070.00017.24
8.0.260.0030.00316.88
8.0.250.0070.00016.93
8.0.240.0060.00317.05
8.0.230.0000.00716.90
8.0.220.0030.00316.86
8.0.210.0000.00816.93
8.0.200.0030.00316.97
8.0.190.0000.00717.01
8.0.180.0040.00416.97
8.0.170.0040.00416.95
8.0.160.0000.00716.91
8.0.150.0000.00716.94
8.0.140.0110.00016.80
8.0.130.0050.00013.37
8.0.120.0070.00016.87
8.0.110.0000.00716.95
8.0.100.0000.00716.92
8.0.90.0080.00016.94
8.0.80.0090.00616.99
8.0.70.0070.00016.81
8.0.60.0080.00016.83
8.0.50.0000.00716.88
8.0.30.0080.01017.13
8.0.20.0070.01117.40
8.0.10.0000.00816.97
8.0.00.0150.01316.94
7.4.330.0060.00014.93
7.4.320.0030.00316.50
7.4.300.0030.00316.49
7.4.290.0000.00816.60
7.4.280.0030.00316.59
7.4.270.0070.00016.39
7.4.260.0000.00513.30
7.4.250.0040.00416.54
7.4.240.0040.00416.52
7.4.230.0000.00716.64
7.4.220.0100.01416.39
7.4.210.0100.00716.66
7.4.200.0000.00716.50
7.4.190.0000.00716.73
7.4.160.0100.00716.52
7.4.150.0040.01517.40
7.4.140.0100.00917.86
7.4.130.0040.01316.53
7.4.120.0140.00616.49
7.4.110.0110.00516.73
7.4.100.0060.01216.39
7.4.90.0110.00716.66
7.4.80.0130.00819.39
7.4.70.0090.00916.57
7.4.60.0150.00916.53
7.4.50.0000.00816.54
7.4.40.0070.00722.77
7.4.30.0100.00716.77
7.4.10.0120.00614.81
7.4.00.0050.01214.78
7.3.330.0050.00013.36
7.3.320.0000.00613.13
7.3.310.0040.00216.43
7.3.300.0000.00716.35
7.3.290.0080.00816.38
7.3.280.0060.01016.42
7.3.270.0070.01417.40
7.3.260.0120.01118.24
7.3.250.0140.00716.47
7.3.240.0160.00016.57
7.3.230.0110.00616.50
7.3.210.0030.01716.70
7.3.200.0030.01919.39
7.3.190.0130.00316.32
7.3.180.0090.00916.33
7.3.170.0030.01216.43
7.3.160.0090.00916.33
7.3.130.0070.01114.86
7.3.120.0100.00814.97
7.3.110.0070.01315.05
7.3.100.0000.01314.89
7.3.90.0070.00714.95
7.3.80.0000.00914.91
7.3.70.0030.01314.54
7.3.60.0030.01314.95
7.3.50.0100.00314.91
7.3.40.0100.00314.74
7.3.30.0030.00914.87
7.3.20.0000.01516.82
7.3.10.0030.00616.83
7.3.00.0070.00516.67
7.2.330.0090.00916.22
7.2.320.0090.00916.71
7.2.310.0090.01316.52
7.2.300.0060.01016.41
7.2.290.0090.00916.74
7.2.260.0070.01414.99
7.2.250.0040.01514.82
7.2.240.0100.00615.28
7.2.230.0000.01615.19
7.2.220.0070.00715.32
7.2.210.0130.00315.29
7.2.200.0040.00815.06
7.2.190.0040.01114.73
7.2.180.0090.00615.00
7.2.170.0110.00414.97
7.2.160.0090.00014.89
7.2.150.0100.00316.96
7.2.140.0040.00817.06
7.2.130.0070.01116.90
7.2.120.0070.00716.94
7.2.110.0090.00516.78
7.2.100.0080.00516.74
7.2.90.0080.00616.71
7.2.80.0050.00616.74
7.2.70.0040.00816.98
7.2.60.0060.00816.96
7.2.50.0080.00716.90
7.2.40.0040.00916.69
7.2.30.0060.00716.97
7.2.20.0090.00616.95
7.2.10.0030.00916.97
7.2.00.0050.00717.68
7.1.330.0070.00715.84
7.1.320.0030.01015.75
7.1.310.0060.00615.90
7.1.300.0000.00915.66
7.1.290.0060.00615.79
7.1.280.0030.00915.63
7.1.270.0100.00315.79
7.1.260.0040.01015.90
7.1.250.0010.00915.54
7.1.240.0050.00715.76
7.1.230.0030.01015.60
7.1.220.0040.01115.77
7.1.210.0080.00715.65
7.1.200.0020.01215.79
7.1.190.0060.00615.85
7.1.180.0070.00615.78
7.1.170.0050.00515.83
7.1.160.0070.00715.74
7.1.150.0090.00415.74
7.1.140.0040.00615.70
7.1.130.0030.00815.81
7.1.120.0010.01315.67
7.1.110.0060.00615.62
7.1.100.0110.00516.58
7.1.90.0050.00915.86
7.1.80.0020.01215.87
7.1.70.0090.00416.07
7.1.60.0040.00816.19
7.1.50.0050.00816.03
7.1.40.0020.01315.85
7.1.30.0060.00315.57
7.1.20.0000.01215.86
7.1.10.0060.00815.47
7.1.00.0060.02817.98
7.0.330.0040.00615.35
7.0.320.0040.01015.35
7.0.310.0050.00715.20
7.0.300.0070.00815.26
7.0.290.0070.00515.40
7.0.280.0070.00715.44
7.0.270.0070.00515.35
7.0.260.0060.00715.30
7.0.250.0040.00415.46
7.0.240.0070.00415.41
7.0.230.0030.00815.45
7.0.220.0030.00815.39
7.0.210.0070.00815.46
7.0.200.0040.00715.94
7.0.190.0070.00715.42
7.0.180.0040.00415.34
7.0.170.0060.00915.49
7.0.160.0100.00315.28
7.0.150.0050.01015.52
7.0.140.0070.02817.45
7.0.130.0080.00515.46
7.0.120.0050.00615.36
7.0.110.0100.00315.43
7.0.100.0040.02716.99
7.0.90.0070.02016.95
7.0.80.0110.02916.99
7.0.70.0070.02916.91
7.0.60.0070.03016.90
7.0.50.0110.02717.06
7.0.40.0070.03215.65
7.0.30.0040.03315.78
7.0.20.0160.01315.49
7.0.10.0100.01815.75
7.0.00.0050.03215.54
5.6.400.0060.01014.38
5.6.390.0090.00614.40
5.6.380.0090.00414.25
5.6.370.0060.00514.42
5.6.360.0040.01014.68
5.6.350.0030.01014.28
5.6.340.0050.00914.59
5.6.330.0060.00814.56
5.6.320.0020.00914.50
5.6.310.0010.01214.41
5.6.300.0050.01014.39
5.6.290.0050.00814.42
5.6.280.0030.03116.61
5.6.270.0040.01114.23
5.6.260.0050.00714.29
5.6.250.0100.03116.46
5.6.240.0040.01716.45
5.6.230.0090.02916.45
5.6.220.0110.02516.63
5.6.210.0150.01216.39
5.6.200.0110.02816.57
5.6.190.0060.02316.62
5.6.180.0060.01916.64
5.6.170.0070.03016.56
5.6.160.0030.02216.69
5.6.150.0080.03516.72
5.6.140.0070.03216.59
5.6.130.0060.03416.58
5.6.120.0050.03516.64
5.6.110.0030.02516.63
5.6.100.0100.02716.63
5.6.90.0020.03116.42
5.6.80.0070.02516.24
5.6.70.0090.02816.20
5.6.60.0060.02016.33
5.6.50.0070.03316.49
5.6.40.0050.03516.34
5.6.30.0060.01816.29
5.6.20.0030.02416.45
5.6.10.0080.03116.36
5.6.00.0090.02716.41
5.5.380.0070.02815.29
5.5.370.0040.02715.29
5.5.360.0030.02315.33
5.5.350.0070.03015.29
5.5.340.0060.03015.38
5.5.330.0070.02015.46
5.5.320.0070.03415.42
5.5.310.0070.03215.47
5.5.300.0040.03315.54
5.5.290.0110.01915.53
5.5.280.0070.03215.48
5.5.270.0030.02515.48
5.5.260.0090.02115.36
5.5.250.0050.02415.38
5.5.240.0040.03315.27
5.5.230.0060.02515.13
5.5.220.0060.03015.20
5.5.210.0070.01915.16
5.5.200.0050.02015.27
5.5.190.0060.02215.25
5.5.180.0060.02115.18
5.5.170.0040.00912.62
5.5.160.0080.02815.26
5.5.150.0080.02015.16
5.5.140.0100.02715.24
5.5.130.0090.02715.20
5.5.120.0070.02215.18
5.5.110.0030.03115.19
5.5.100.0060.03015.08
5.5.90.0090.02815.11
5.5.80.0080.02215.15
5.5.70.0060.03115.12
5.5.60.0060.01915.09
5.5.50.0050.02615.10
5.5.40.0040.03215.08
5.5.30.0080.02115.07
5.5.20.0060.02915.11
5.5.10.0080.02815.05
5.5.00.0060.02915.08
5.4.450.0040.02013.89
5.4.440.0090.02113.71
5.4.430.0030.03313.84
5.4.420.0070.03113.91
5.4.410.0090.02613.76
5.4.400.0070.03113.67
5.4.390.0030.03113.83
5.4.380.0090.02613.62
5.4.370.0040.02813.81
5.4.360.0090.02913.72
5.4.350.0080.02413.76
5.4.340.0050.02713.73
5.4.330.0060.00611.03
5.4.320.0050.02513.65
5.4.310.0070.01813.65
5.4.300.0060.01713.68
5.4.290.0040.02613.72
5.4.280.0040.02713.68
5.4.270.0020.03013.75
5.4.260.0020.02613.59
5.4.250.0060.02613.74
5.4.240.0060.02913.71
5.4.230.0050.01913.68
5.4.220.0040.02913.79
5.4.210.0010.03113.63
5.4.200.0050.03213.66
5.4.190.0030.02313.65
5.4.180.0040.03113.59
5.4.170.0030.02413.66
5.4.160.0070.01813.69
5.4.150.0050.03013.78
5.4.140.0060.02412.72
5.4.130.0060.02912.78
5.4.120.0080.02312.80
5.4.110.0080.02612.75
5.4.100.0040.02412.78
5.4.90.0070.02412.79
5.4.80.0060.02712.84
5.4.70.0060.02212.84
5.4.60.0060.01612.73
5.4.50.0040.02812.86
5.4.40.0030.02712.83
5.4.30.0040.02912.73
5.4.20.0080.02412.83
5.4.10.0070.02512.72
5.4.00.0060.01712.65
5.3.290.0060.02912.15
5.3.280.0050.02812.08
5.3.270.0060.02812.11
5.3.260.0040.02912.05
5.3.250.0070.02912.11
5.3.240.0040.02112.00
5.3.230.0060.03012.02
5.3.220.0040.02712.01
5.3.210.0070.02611.98
5.3.200.0020.02712.05
5.3.190.0050.01812.03
5.3.180.0080.02511.95
5.3.170.0030.01912.07
5.3.160.0020.01811.99
5.3.150.0060.02411.99
5.3.140.0030.01912.05
5.3.130.0060.02612.02
5.3.120.0030.03112.00
5.3.110.0060.02811.98
5.3.100.0030.03111.86
5.3.90.0030.02211.87
5.3.80.0070.02911.82
5.3.70.0040.02211.81
5.3.60.0060.02911.84
5.3.50.0060.02311.79
5.3.40.0030.01711.78
5.3.30.0060.01711.85
5.3.20.0040.02711.72
5.3.10.0010.02011.66
5.3.00.0050.02711.68
5.2.170.0050.03211.16
5.2.160.0120.02711.15
5.2.150.0030.03611.17
5.2.140.0030.03711.13
5.2.130.0040.03511.10
5.2.120.0050.02911.15
5.2.110.0050.03311.14
5.2.100.0020.02411.15
5.2.90.0020.03311.15
5.2.80.0060.02111.16
5.2.70.0050.03411.11
5.2.60.0030.02011.09
5.2.50.0020.03111.02
5.2.40.0070.03211.09
5.2.30.0030.03311.00
5.2.20.0040.03211.08
5.2.10.0060.02911.03
5.2.00.0020.03610.95
5.1.60.0070.02310.58
5.1.50.0060.02810.58
5.1.40.0060.01510.49
5.1.30.0020.01910.79
5.1.20.0030.01710.78
5.1.10.0060.02810.63
5.1.00.0000.01910.61
5.0.50.0020.0229.89
5.0.40.0020.0189.84
5.0.30.0050.0309.84
5.0.20.0000.0159.84
5.0.10.0020.0239.84
5.0.00.0020.0329.84
4.4.90.0020.0129.84
4.4.80.0020.0199.84
4.4.70.0030.0109.84
4.4.60.0050.0139.84
4.4.50.0020.0189.84
4.4.40.0030.0279.84
4.4.30.0030.0199.84
4.4.20.0050.0089.84
4.4.10.0050.0159.84
4.4.00.0020.0259.84
4.3.110.0030.0189.84
4.3.100.0030.0189.84
4.3.90.0040.0179.84
4.3.80.0070.0239.84
4.3.70.0000.0219.84
4.3.60.0000.0189.84
4.3.50.0030.0179.84
4.3.40.0070.0129.84
4.3.30.0000.0209.84
4.3.20.0040.0159.84
4.3.10.0020.0219.84
4.3.00.0000.0179.84

preferences:
67.97 ms | 401 KiB | 5 Q