3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new stdClass; $a->a = new stdClass; $a->a->a = new stdClass; $a->a->a->a = 'a'; // $a = [ 'a' => [ 'a' => [ 'a' => 'a' ] ] ]; $b = $a->a; var_dump($b); var_dump($b->a = 'c'); var_dump($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)
8.3.60.0160.00718.21
8.3.50.0130.00222.04
8.3.40.0120.00318.80
8.3.30.0130.00619.09
8.3.20.0090.00020.21
8.3.10.0030.00623.66
8.3.00.0050.00521.02
8.2.180.0120.00416.38
8.2.170.0040.01122.96
8.2.160.0110.00420.34
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0090.00026.16
8.2.120.0060.00319.23
8.2.110.0050.00520.94
8.2.100.0160.00317.53
8.2.90.0000.00819.23
8.2.80.0000.00817.97
8.2.70.0080.00017.38
8.2.60.0060.00317.90
8.2.50.0050.00318.10
8.2.40.0030.00619.76
8.2.30.0040.00418.14
8.2.20.0040.00417.49
8.2.10.0040.00417.90
8.2.00.0060.00317.53
8.1.280.0100.01725.92
8.1.270.0050.00523.96
8.1.260.0040.00426.35
8.1.250.0090.00028.09
8.1.240.0060.00323.83
8.1.230.0060.00620.04
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0000.01017.36
8.1.190.0040.00417.36
8.1.180.0000.00918.10
8.1.170.0030.00518.59
8.1.160.0020.00521.95
8.1.150.0070.00318.55
8.1.140.0050.01017.38
8.1.130.0000.00717.88
8.1.120.0000.00817.39
8.1.110.0040.00417.27
8.1.100.0040.00517.45
8.1.90.0000.00717.40
8.1.80.0000.00817.40
8.1.70.0030.00517.24
8.1.60.0050.00517.58
8.1.50.0070.00317.34
8.1.40.0100.00017.41
8.1.30.0040.00417.47
8.1.20.0030.00517.45
8.1.10.0030.00617.55
8.1.00.0030.00717.48
8.0.300.0040.00418.77
8.0.290.0060.00316.63
8.0.280.0000.00718.27
8.0.270.0030.00517.18
8.0.260.0000.00817.20
8.0.250.0030.00316.91
8.0.240.0040.00416.84
8.0.230.0000.00816.93
8.0.220.0070.00016.72
8.0.210.0000.00716.77
8.0.200.0000.00716.92
8.0.190.0070.00016.90
8.0.180.0100.00016.84
8.0.170.0030.00516.73
8.0.160.0000.00716.77
8.0.150.0040.00416.74
8.0.140.0040.00716.71
8.0.130.0000.00513.23
8.0.120.0040.00416.74
8.0.110.0000.00816.79
8.0.100.0070.00016.79
8.0.90.0000.00816.84
8.0.80.0110.01116.70
8.0.70.0040.00416.66
8.0.60.0030.00316.70
8.0.50.0000.00716.61
8.0.30.0140.00616.96
8.0.20.0130.00717.40
8.0.10.0040.00416.89
8.0.00.0120.00716.67
7.4.330.0050.00015.00
7.4.320.0030.00316.36
7.4.300.0070.00016.42
7.4.290.0030.00316.50
7.4.280.0030.00616.53
7.4.270.0070.00016.48
7.4.260.0000.00716.54
7.4.250.0080.00016.29
7.4.240.0020.00516.49
7.4.230.0040.00416.63
7.4.220.0120.00316.42
7.4.210.0100.00716.49
7.4.200.0000.00716.51
7.4.160.0070.01716.43
7.4.150.0090.01117.40
7.4.140.0100.00717.86
7.4.130.0120.00516.49
7.4.120.0130.00316.29
7.4.110.0100.00716.51
7.4.100.0090.00916.30
7.4.90.0060.01216.43
7.4.80.0130.01019.39
7.4.70.0120.00416.40
7.4.60.0100.01416.27
7.4.50.0040.00416.34
7.4.40.0070.01016.27
7.4.30.0080.00816.36
7.4.00.0070.01015.05
7.3.330.0030.00313.04
7.3.320.0000.00513.03
7.3.310.0030.00316.02
7.3.300.0070.00016.20
7.3.290.0130.00316.17
7.3.280.0040.01416.20
7.3.270.0150.00317.40
7.3.260.0130.01516.09
7.3.250.0120.00616.25
7.3.240.0060.01216.29
7.3.230.0030.01416.39
7.3.210.0150.00316.08
7.3.200.0090.01219.39
7.3.190.0100.00916.26
7.3.180.0090.00616.18
7.3.170.0110.01116.36
7.3.160.0120.00316.21
7.3.120.0040.01414.83
7.2.330.0150.00916.54
7.2.320.0050.01016.43
7.2.310.0060.01016.37
7.2.300.0060.00916.68
7.2.290.0070.01016.76
7.2.60.0140.00317.07
7.2.00.0000.01219.31
7.1.200.0000.01315.56
7.1.100.0110.00617.92
7.1.70.0000.00716.87
7.1.60.0070.01417.17
7.1.50.0080.00316.79
7.1.00.0030.07722.41
7.0.200.0030.01016.68
7.0.140.0100.07022.00
7.0.60.0130.03719.86
7.0.50.0000.04717.89
7.0.40.0070.09020.27
7.0.30.0270.08020.21
7.0.20.0300.07020.19
7.0.10.0200.04320.00
7.0.00.0130.03320.22
5.6.280.0000.07720.85
5.6.210.0000.06720.50
5.6.200.0030.04018.18
5.6.190.0100.05720.77
5.6.180.0070.07320.41
5.6.170.0330.06320.62
5.6.160.0070.05720.54
5.6.150.0100.07718.18
5.6.140.0000.04718.21
5.6.130.0030.06718.21
5.6.120.0100.08321.05
5.6.110.0000.04721.01
5.6.100.0070.08020.98
5.6.90.0070.09020.88
5.6.80.0130.06720.37
5.6.70.0330.06720.50
5.5.350.0070.08720.52
5.5.340.0130.03317.96
5.5.330.0070.09020.28
5.5.320.0070.05020.18
5.5.310.0270.06720.30
5.5.300.0070.08018.03
5.5.290.0100.04717.92
5.5.280.0000.04720.87
5.5.270.0030.08720.86
5.5.260.0070.08320.83
5.5.250.0130.07720.66
5.5.240.0130.07320.32
5.4.450.0300.07719.21
5.4.440.0270.04319.41
5.4.430.0300.05019.40
5.4.420.0270.04319.41
5.4.410.0270.04719.28
5.4.400.0300.07318.89
5.4.390.0300.05319.10
5.4.380.0270.07018.93
5.4.370.0230.04019.08
5.4.360.0330.07019.24
5.4.350.0300.07019.06
5.4.340.0430.06018.95
5.4.320.0230.03719.13
5.4.310.0130.04719.22
5.4.300.0270.03019.13
5.4.290.0230.03318.88
5.4.280.0230.03318.80
5.4.270.0230.03719.13
5.4.260.0200.04018.92
5.4.250.0130.04018.80
5.4.240.0170.04318.93
5.4.230.0230.03319.12
5.4.220.0200.03718.93
5.4.210.0200.03718.78
5.4.200.0270.03319.08
5.4.190.0200.03318.87
5.4.180.0230.03018.87
5.4.170.0230.03718.80
5.4.160.0200.03318.78
5.4.150.0170.04019.13
5.4.140.0200.04016.35
5.4.130.0200.03016.27
5.4.120.0230.03316.35
5.4.110.0270.03016.34
5.4.100.0130.04716.06
5.4.90.0230.03016.43
5.4.80.0300.04716.37
5.4.70.0300.06316.41
5.4.60.0400.06716.44
5.4.50.0230.06716.39
5.4.40.0370.06016.51
5.4.30.0300.03716.31
5.4.20.0330.06316.36
5.4.10.0400.06016.17
5.4.00.0300.06015.84
5.3.290.0230.04014.61
5.3.280.0200.04314.43
5.3.270.0200.03714.54
5.3.260.0200.03314.55
5.3.250.0300.03314.58
5.3.240.0130.04714.65
5.3.230.0200.04014.57
5.3.220.0130.04014.47
5.3.210.0170.04014.61
5.3.200.0130.04014.40
5.3.190.0270.03014.47
5.3.180.0230.04014.54
5.3.170.0330.06714.59
5.3.160.0370.03314.40
5.3.150.0200.05014.41
5.3.140.0370.06014.66
5.3.130.0270.07014.39
5.3.120.0370.04714.49
5.3.110.0330.06314.40
5.3.100.0370.06313.86
5.3.90.0370.06013.86
5.3.80.0270.07313.88
5.3.70.0330.04313.85
5.3.60.0330.05313.95
5.3.50.0330.04013.78
5.3.40.0270.04714.04
5.3.30.0200.04713.86
5.3.20.0200.04713.63
5.3.10.0300.06713.64
5.3.00.0230.07313.49
5.2.170.0270.05712.13
5.2.160.0330.04312.13
5.2.150.0230.02712.13
5.2.140.0200.03312.13
5.2.130.0130.03312.13
5.2.120.0200.03712.13
5.2.110.0300.04312.13
5.2.100.0300.03312.13
5.2.90.0230.05312.13
5.2.80.0270.06012.13
5.2.70.0270.05312.13
5.2.60.0270.04712.13
5.2.50.0300.04012.13
5.2.40.0230.03312.13
5.2.30.0170.03312.13
5.2.20.0200.05712.13
5.2.10.0230.04012.13
5.2.00.0200.06012.13
5.1.60.0200.04312.13
5.1.50.0270.04312.13
5.1.40.0200.04312.13
5.1.30.0170.03312.13
5.1.20.0130.06012.13
5.1.10.0170.05712.13
5.1.00.0300.04012.13
5.0.50.0170.04012.13
5.0.40.0130.03012.13
5.0.30.0070.03312.13
5.0.20.0130.03712.13
5.0.10.0130.03312.13
5.0.00.0100.04012.13
4.4.90.0130.03312.13
4.4.80.0070.04012.13
4.4.70.0130.02012.13
4.4.60.0100.04312.13
4.4.50.0130.03012.13
4.4.40.0070.03312.13
4.4.30.0070.02712.13
4.4.20.0130.03312.13
4.4.10.0170.02712.13
4.4.00.0170.05012.13
4.3.110.0070.02312.13
4.3.100.0100.03312.13
4.3.90.0100.03312.13
4.3.80.0100.05012.13
4.3.70.0170.02312.13
4.3.60.0130.01712.13
4.3.50.0170.03012.13
4.3.40.0070.02712.13
4.3.30.0070.03012.13
4.3.20.0030.01712.13
4.3.10.0030.02012.13
4.3.00.0070.03012.13

preferences:
41.51 ms | 401 KiB | 5 Q